A pump housing support

Liner coupling pin

An adjustable side liner for a pump.

A pump housing support.

Liner coupling pin.

AN ADJUSTABLE SIDE LINER FOR A PUMP

LINER COUPLING PIN

A pump housing support

A pump housing support.

An adjustable side liner for a pump.

Liner coupling pin.

Liner coupling pin

Liner coupling pin.

Liner coupling pin

A pump housing support

A pump housing support.

An adjustable side liner for a pump.

TURBOCHARGER WITH A COMPRESSOR WITH TWO BACK MOVING FORWARD IMPELLERS

Control device of a hydraulic engine

ADJUSTABLE SIDE LINER FOR PUMP

LINER COUPLING PIN

... ²A coupling pin for use in a pump housing, the pump housing including an outer ²casing and ²an inner pump liner, the coupling pin being suitable for locating the liner ²and casing relative ²to one another, the coupling pin including a shank and a head at one end of ²the shank. The ²head includes a cammed surface thereon which is adapted to co-operate with a ²follower on ²the liner, and a locating section on a remote or terminal end of the head ²which is adapted to ²be positioned against a seat in the outer casing when fitted. The arrangement ²is such that ²rotation of the coupling pin causes the follower to track along the cammed ²surface so as to ²cause relative movement between the outer casing and the inner pump liner.² ...

A FAN ASSEMBLY

A fan assembly for creating an air current comprises an air outlet (14) mounted on a stand (12). The stand (12) comprises a base (38, 40) and a body (42) tiltable relative to the base (38, 40). The fan assembly has a centre of gravity (CG) located so that when the base is located on a substantially horizontal support surface, the projection of the centre of gravity on the support surface is within the footprint of the base when the body is in a fully tilted position.

Leitvorrichtung mit drehbaren Schaufeln für Kreiselmaschinen, insbesondere Kreiselpumpen.

Kreiselfördermaschine.

Das Laufrad eines Zentrifugalverdichters koaxial umschliessender, für die Anströmung mit Überschallgeschwindigkeit bestimmter Leitapparat

THE CONTROL APPARATUS OF A MOVABLE WALL AND METHOD FOR THE OPERATION OF THE APPARATUS.

PROCEDURES FOR STEERING A TURBOCOMPRESSOR AS WELL AS DEVICE TO WOULD DRIVE THROUGH THE PROCEDURE.

PIN FOR ATTACHMENT OF INSERT

ШТИФТ ДЛЯ ПРИКРЕПЛЕНИЯ ВКЛАДЫША

Описан соединительный штифт для использования в корпусе насоса, причем корпус насоса включает внешний кожух и внутренний вкладыш насоса, при этом соединительный штифт пригоден для расположения вкладыша и кожуха относительно друг друга, причем соединительный штифт включает хвостовик и головку на одном конце хвостовика. Головка включает находящуюся на ней скошенную поверхность, которая приспособлена для взаимодействия со следящим элементом на вкладыше, и установочную секцию на дальней или оконечной части головки, которая приспособлена для расположения в гнезде во внешнем кожухе при установке. Устройство таково, что вращение соединительного штифта вызывает движение следящего элемента вдоль скошенной поверхности, вызывающее относительное перемещение между внешним кожухом и внутренним вкладышем насоса.

IMPROVEMENTS, RELATED TO THE SEALING ASSEMBLIES PUMP

SUPPORT PUMP HOUSING

DEVICE FOR RETAINING LUBRICATING MATERIAL FOR BEARING UNIT PUMP SHAFT

ШТИФТ ДЛЯ ПРИКРЕПЛЕНИЯ ВКЛАДЫША

Описан соединительный штифт для использования в корпусе насоса, причем корпус насоса включает внешний кожух и внутренний вкладыш насоса, при этом соединительный штифт пригоден для расположения вкладыша и кожуха относительно друг друга, причем соединительный штифт включает хвостовик и головку на одном конце хвостовика. Головка включает находящуюся на ней скошенную поверхность, которая приспособлена для взаимодействия со следящим элементом на вкладыше, и установочную секцию на дальней или оконечной части головки, которая приспособлена для расположения в гнезде во внешнем кожухе при установке. Устройство таково, что вращение соединительного штифта вызывает движение следящего элемента вдоль скошенной поверхности, вызывающее относительное перемещение между внешним кожухом и внутренним вкладышем насоса.

РЕГУЛИРУЕМЫЙ БОКОВОЙ ВКЛАДЫШ ДЛЯ НАСОСА

Регулировочный узел для корпуса насоса, причем корпус насоса включает основную часть и боковую часть, имеющую основную ось и боковую стеночную секцию, проходящую поперечно относительно основной оси. Регулировочный узел работает для вызова относительного смещения между боковой частью и основной частью корпуса насоса. Регулировочный узел включает приводное устройство и привод, который может быть приведен в действие снаружи от насоса, причем приводное устройство работает для вызова относительного смещения боковой части в результате приведения в действие указанного привода, причем относительное смещение может быть комбинацией осевого и вращательного перемещения.

“BOLT OF COUPLING FOR USE IN A PACK OF BOMB, PACK OF BOMB, DISPOSAL OF COUPLING OF BOMB TO CONNECT A EXTERNAL BOX OF THE BOMB AND AN INTERNAL COVERING FOR BOMB AND COVERING OF BOMB FOR A PACK OF BOMB”

Fan assembly

A fan assembly for creating an air current includes an air outlet mounted on a stand. The stand includes a base and a body tiltable relative to the base. The fan assembly has a center of gravity located so that when the base is located on a substantially horizontal support surface, the projection of the center of gravity on the support surface is within the footprint of the base when the body is in a fully tilted position.

VORDRALL-LEITVORRICHTUNG

Liner coupling pin

A coupling pin for use in a pump housing, the pump housing including an outer casing and an inner pump liner, the coupling pin being suitable for locating the liner and casing relative to one another, the coupling pin including a shank and a head at one end of the shank. The head includes a cammed surface thereon which is adapted to co-operate with a follower on the liner, and a locating section on a remote or terminal end of the head which is adapted to be positioned against a seat in the outer casing when fitted. The arrangement is such that rotation of the coupling pin causes the follower to track along the cammed surface so as to cause relative movement between the outer casing and the inner pump liner.

A fan assembly

Improvements relating to pump seal assemblies

A housing for a seal assembly of a pump, the housing comprising a main body having a wall section with inner and outer sides, and a bore extending through the main body between the inner and outer sides, a holder protruding from the inner side of the main body, the holder having an outer edge and a bearing face which is inclined inwardly towards the inner side, and extending from the outer edge towards the bore. There is also disclosed a lifting device for use with the housing.

ADJUSTABLE SIDE LINER FOR PUMP

An adjustment assembly for pump casing of a pump, the pump casing including a main part and a side part having a main axis and a side wall section extending laterally with respect to the main axis. The adjustment assembly is operable to cause relative displacement between the side part and the main part of the pump casing. The adjustment assembly includes a drive device and an actuator which can be activated externally of the pump, the drive device being operable to cause the relative displacement of the side part in response to activation of said actuator, the relative displacement capable of being a combination of axial and rotational movement.

УСТРОЙСТВО ДЛЯ УДЕРЖИВАНИЯ СМАЗОЧНОГО МАТЕРИАЛА ДЛЯ ПОДШИПНИКОВОГО УЗЛА ВАЛА НАСОСА

Устройство для удерживания смазочного материала для использования в подшипниковом узле насоса, т.е. в подшипниковом узле, который в первой рабочей конфигурации смазывается относительно вязким смазочным материалом и который во второй рабочей конфигурации смазывается менее вязким смазочным материалом, причем подшипниковый узел содержит корпус подшипника, имеющий канал, проходящий сквозь него для приема ведущего вала насоса, отнесенные друг от друга зоны установки подшипника внутри указанного канала с камерой между ними, причем каждая зона установки подшипника приспособлена для приема в нее подшипника, при этом каждая зона имеет связанное с ней одно устройство для удерживания смазочного материала, причем указанное устройство для удерживания смазочного материала приспособлено для установки внутри указанного канала смежно с зоной установки подшипника, с которой оно связано, для формирования барьера между зоной установки подшипника и камерой, когда подшипниковый узел насоса находится в первой ...

ADJUSTABLE SIDE INSERT FOR PUMP

PIN FOR ATTACHMENT INSERT

УСТРОЙСТВО И СПОСОБ ДЛЯ ПОДЪЕМА И ПЕРЕМЕЩЕНИЯ КОРПУСА УПЛОТНИТЕЛЬНОГО УЗЛА ЦЕНТРОБЕЖНОГО НАСОСА

Предложен корпус для уплотнительного узла насоса, причем корпус содержит основной корпус, имеющий стеночную секцию с внутренней и внешней сторонами и канал, проходящий через основной корпус между внутренней и внешней сторонами, держатель, отступающий от внутренней стороны основного корпуса, при этом держатель имеет внешнюю кромку и упорную поверхность, которая наклонена внутрь к внутренней стороне и проходит от внешней кромки к каналу. Также описано подъемное устройство для использования с корпусом.

suporte para invólucro de bomba para uso em um conjunto de bomba, método para encaixar um invólucro de bomba em um suporte para invólucro de bomba, método para retroajustar um invólucro de bomba em um suporte para invólucro de bomba, conjunto de bomba, método para fabricar um suporte para invólucro de bomba disposição de montagem de uma pluralidade de peças componentes de uma bomba para um suporte de invólucro de bomba e método para montar componentes de uma bomba em um suporte para invólucro de bomba

CONTROL APPARATUS FOR HYDRAULIC MACHINES

MORPHING STRUCTURES FOR ADJUSTABLE FAN INLET GUIDE VANES

A gas turbine engine (10) includes a fan section (12), a compressor section (14), and a turbine section (18). The fan section (12) has a plurality of vane assemblies (64) spaced circumferentially about an engine axis (A) and each including an airfoil (66) extending between a leading edge (66a) and a trailing edge (66b), a control rod (68) extending through the airfoil (66), and a mechanism driven by the control rod (68) to change the shape of the airfoil (66).

КОМПРЕССОРНЫЙ БЛОК С ИЗМЕНЯЕМЫМ АЭРОДИНАМИЧЕСКИМ ПРОФИЛЕМ

ЦЕНТРОБЕЖНЫЙ КОМПРЕССОР И ЦЕНТРОБЕЖНЫЙ АГРЕГАТ, ОБОРУДОВАННЫЙ ТАКИМ ЖЕ ЦЕНТРОБЕЖНЫМ КОМПРЕССОРОМ

CENTRIFUGAL FAN AND ADAPTING PIPELINE

EINSTELLUNG EINES DROSSELRINGES FUER EINEN DIFFUSOR.

PUMPENGEHAEUSE

Tilting Fan

Lubricant retainer for pump shaft bearing assembly

A lubricant retainer for use in a pump bearing assembly, the bearing assembly which in a first operating configuration is lubricated by a relatively highly viscous lubricant, and which in a second operating configuration is lubricated by a less-viscous lubricant, the bearing assembly comprising a bearing housing having a bore extending therethrough for receiving a pump drive shaft, spaced-apart bearing mounting zones within said bore with a chamber therebetween, each bearing mounting zone arranged for the in use receipt of a bearing therein. Each zone has associated therewith one lubricant retainer, the lubricant retainer being adapted to be mounted within the bore adjacent the bearing mounting zone with which it is associated so as to form a barrier between the bearing mounting zone and the chamber when the pump bearing assembly is in the first operating configuration, the retainer being removed when the pump bearing assembly is in the second operating configuration.

DIFFUSER THROTTLE RING CONTROL

ADJUSTING MECHANISM FOR VARIABLE INLET VANE

AN ADJUSTABLE SIDE LINER FOR A PUMP

An adjustment assembly for pump casing of a pump, the pump casing including a main part and a side part having a main axis and a side wall section extending laterally with respect to the main axis. The adjustment assembly is operable to cause relative displacement between the side part and the main part of the pump casing. The adjustment assembly includes a drive device and an actuator which can be activated externally of the pump, the drive device being operable to cause the relative displacement of the side part in response to activation of said actuator, the relative displacement capable of being a combination of axial and rotational movement.

Device to improve the flow of centrifugal machines being used to move ouà to compress fluids

Variable width diffuser

A centrifugal machine having a variable diffuser that includes a radially disposed fixed wall and an opposed movable wall defining the diffuser passage. Guideways are formed in the movable wall in which a series of diffuser vanes are slidably mounted. A spring biased retainer loosely holds each of the vanes in an associated guideway and urges the vanes into seating contact with the fixed wall so that each vane can adjust its position in assembly to accommodate for changes in diffuser alignment due to thermal growth or the like.

Lubricant retainer for pump shaft bearing assembly

A lubricant retainer for use in a pump bearing assembly, the bearing assembly which in a first operating configuration is lubricated by a relatively highly viscous lubricant, and which in a second operating configuration is lubricated by a less-viscous lubricant, the bearing assembly comprising a bearing housing having a bore extending therethrough for receiving a pump drive shaft, spaced-apart bearing mounting zones within said bore with a chamber therebetween, each bearing mounting zone arranged for the in use receipt of a bearing therein. Each zone has associated therewith one lubricant retainer, the lubricant retainer being adapted to be mounted within the bore adjacent the bearing mounting zone with which it is associated so as to form a barrier between the bearing mounting zone and the chamber when the pump bearing assembly is in the first operating configuration, the retainer being removed when the pump bearing assembly is in the second operating configuration.

СПОСОБ РЕГУЛИРОВАНИЯ РАСХОДА ВОЗДУХА В ЦЕНТРОБЕЖНОМ КОМПРЕССОРЕ ТУРБОМАШИНЫ И ДИФФУЗОР ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

Способ регулирования расхода воздуха в центробежном компрессоре (10) турбомашины заключается в обеспечении распределения воздуха через первую кольцевую решетку (G1) лопастей (24) с изменяемым углом установки. По краю решетки в радиальном направлении расположена вторая кольцевая решетка (G2) лопастей с тем же количеством лопастей (28) с фиксированным углом установки той же радиальной протяженности. Распределение в радиальном направлении производится путем взаимодействия лопастей (24, 28) двух решеток лопастей. Каждую лопасть (24) первой решетки (G1) лопастей приводят во вращение по оси (Х′Х), отстоящей от лопасти (24). Изобретение направлено на поддержание кпд и производительности компрессора турбомашины для уменьшения, по существу, конкретного потребления Cs при обеспечении достаточного запаса от помпажа при частичной нагрузке. 2 н. и 8 з. п. ф-лы, 8 ил.

СПОСОБ РЕГУЛИРОВАНИЯ РАСХОДА ВОЗДУХА В ЦЕНТРОБЕЖНОМ КОМПРЕССОРЕ ТУРБОМАШИНЫ И ДИФФУЗОР ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

... 1. Способ регулирования расхода воздуха в центробежном компрессоре (10) турбомашины, заключающийся в обеспечении диффузии воздуха через первое лопаточное колесо (G1) c лопастями (24) с изменяемым углом установки, по краю которого в радиальном направлении расположено второе кольцевое лопаточное колесо (G2) с тем же количеством лопастей (28) с фиксированным углом установки эквивалентной протяженности, ориентирующие диффузию в радиальном направлении путем сочленения лопастей (24, 28) двух лопаточных колес, отличающийся тем, что каждую лопасть (24) первого лопаточного колеса (G1) приводят во вращение по оси (X'X) отстоящей от лопасти (24).2. Способ по п.1, в котором радиальная диффузия при изменяемом угле установки на центробежном компрессоре связана с распределением мощности при изменяемом угле установки, при этом распределение мощности является свободным, с выходным обменом, или связанным аксиально или центростремительно, с выходным обменом, или без него.3. Диффузор турбомашины с изменяемым ...

Tilting Fan

GUIDE APPARATUS FOR HYDRAULIC MACHINES

... 1322888 Hydraulic turbines LENINGRADSKY ORDENA LENINA METALLICHESKY ZAVOD IMENI XXII SIEZDA KPSS 9 March 1972 10907/72 Heading FIT In a hydraulic turbine having angularly adjustable guide blades 1 controlled by servomotors 4, 7, each blade has a lever 3 mounted on its journal 2, one end of lever 3 being pivoted to the piston rod 6 of servomotor 7 whereas the other end is pivoted to the body of adjacent servomotor 4, the servomotors thus being wholly supported by adjacent levers 3. To ensure sychronized adjustment each blade 1 has a lever 11 pivoted thereto at 12 and connected to lever 3 by a shear pin 15, all the levers 11 being pivotally inter-connected by links 14. Operating oil is fed to and from the servomotors through flexible hoses 8 and pipes 9.

TRANSITION CHANNEL FOR RADIAL COMPRESSORS.

TURBO DRIVEN MACHINE OF RADIAL DESIGN WITH DISK DIFFUSER.

TRANSITION DUCT FOR CENTRIFUGAL FAN

A curvilinear transition duct for use with a centrifugal fan that affords optimal fan efficiency without undue duct length. The duct comprises a top section of generally concave planar shape when viewed from above and a bottom section. Side sections join the top and bottom sections to form a four sided structure having an inlet opening at one side and an outlet opening at the other side. The preferred bottom section is of a generally longer longitudinal length than the top section. Further, the preferred duct has a plane in contact with the edges of the inlet opening which intersect a plane in contact with the outlet openings at a level above the duct. The angle formed between the planes is 1.degree. to 60.degree..

COMPRESSOR UNIT WITH A VARIABLE AERODYNAMIC PROFILE

A compressor unit (25) is disclosed comprising at least a first motor driving in rotation at least one impeller (4) of a compression stage, having at the outlet of the impeller (4) a diffuser (23) designed to centrifugally channel the gases coming from the impeller (4), and having a centripetal return channel (24) downstream of the diffuser (23).The return channel (24) includes at least one movable blade portion (21) that, when moved, can vary a tangential component of the speed of the gases coming from the return channel (24).

AN ADJUSTABLE SIDE LINER FOR A PUMP

클립 타입 선풍기

... 본 발명은 클립 타입 선풍기에 관한 것으로, 외부의 공기가 내부로 유입될 수 있도록 마련된 흡기구와, 상기 흡기구를 통해 유입된 공기를 외부로 내보낼 수 있도록 마련된 송풍구가 형성된 하우징, 모터와 팬으로 구성되고 상기 하우징 내에 내장되어, 상기 흡기구를 통해 외부의 공기를 흡입하고 상기 송풍구를 통해 상기 공기를 외부로 배출시키는 팬유닛 및 상기 하우징의 외면에 결합되어, 탄성력에 의해 벌어지거나 닫힐 수 있도록 마련된 클립을 포함하는 클립 타입 선풍기가 개시된다.

VARIABLE DIFFUSER OF COMPRESSOR

The present invention relates to a variable diffuser of a compressor. The variable diffuser of a compressor comprises: a plate unit (130) where a fastening member (131a) and a plurality of linkage shafts (132) are fixated and installed, configured to restrain an overall rotational displacement range by restraining the rotational displacement range of the fastening member (131a) during rotational displacement thereof; a diffuser vane unit (110) comprising a vane; a vane connection unit (120) fixated and coupled to the diffuser vane unit and connected to be rotated to the linkage shaft (132) of the plate unit; and a power transmission unit connected to be rotated to an actuator and connected to be rotated to the fastening member (131a) of the plate unit (130) to rotate the plate unit (130) in the opposite direction to a driving force provided by the actuator. The purpose of the present invention is to secure operational reliability. COPYRIGHT KIPO 2016 ...

mecanismo para transportar lìquido de arrefecimento através de um circuito de resfriamento de um motor automotivo

CENTRIFUGAL COMPRESSOR

A centrifugal compressor that includes a rotor including a shaft rotatably supported in a casing and an impeller secured to an outer periphery of the shaft; a diaphragm surrounding the impeller from an outer peripheral side; a suction side casing head disposed so as to be spaced apart from the diaphragm on a side where a fluid is suctioned; a temperature adjusting mechanism that is provided in the suction side casing head and configured to adjust a temperature of environment by flow of a heat medium; a heat shield that is provided between the suction side casing head and the diaphragm and defines, together with the impeller, a suction flow path through which the fluid is introduced to the impeller; and a plurality of straightening vanes that are provided in the suction flow path and configured to straighten the fluid flowing through the suction flow path. 1. A centrifugal compressor comprising:a rotor including a shaft rotatably supported in a casing and an impeller secured to an outer periphery of the shaft;a diaphragm surrounding the impeller from an outer peripheral side;a suction side casing head disposed so as to be spaced apart from the diaphragm on a side where a fluid is suctioned;a temperature adjusting mechanism that is provided in the suction side casing head and configured to adjust a temperature of environment by flow of a heat medium;a heat shield that is provided between the suction side casing head and the diaphragm and defines, together with the impeller, a suction flow path through which the fluid is introduced to the impeller; anda plurality of straightening vanes that are provided in the suction flow path and configured to straighten the fluid flowing through the suction flow path,wherein even if the straightening vanes are displaced in a direction away from the heat shield, an interference state between the straightening vanes and the heat shield is maintained.2. The centrifugal compressor according to claim 1 , wherein the plurality of ...

ЦЕНТРОБЕЖНЫЙ КОМПРЕССОР И ЦЕНТРОБЕЖНЫЙ АГРЕГАТ, ОБОРУДОВАННЫЙ ТАКИМ ЖЕ ЦЕНТРОБЕЖНЫМ КОМПРЕССОРОМ

В описании изобретения раскрыт центробежный компрессор. Центробежный компрессор, содержащий несколько ступеней компрессорных установок, которые соединены последовательно. Каждая ступень компрессорной установки содержит полость (1) диффузии и регулировочное устройство полости диффузии, при этом регулировочное устройство содержит подвижный элемент (21), выполненный с возможностью изменения площади потока полости (1) диффузии, предусмотренный в соответствии с этим, при этом подвижный элемент (21) подвижно предусмотрен в осевом направлении центробежного компрессора. Раскрыта также центробежная установка, содержащая центробежный компрессор. Подвижный элемент каждой ступени компрессорной установки центробежного компрессора меняет площадь потока полости диффузии данной ступени компрессорной установки, таким образом эффективно уменьшая возможность помпажа. 2 н. и 12 з.п. ф-лы, 3 ил.

Центробежный многоступенчатый насос

Изобретение относится к области насосостроения, а именно к многоступенчатым центробежным насосам, которые используются для перекачивания жидкости. Насос состоит из четырех насосов, у которых рабочие колеса установлены на одном приводном валу и соединены через предохранительную муфту с электродвигателем, а насосы между собой соединены переходными камерами, снабженными подводящими и отводящими каналами, при этом на подводящих каналах установлены двухходовые краны, а на отводящих - четырехходовые краны с возможностью регулирования режимов работы насоса. В результате такое устройство позволяет перенастраивать режим работы в процессе эксплуатации, а следовательно, расширяет технологические возможности. 2 ил.

Supercharger with vaned diffuser

A fan assembly

A fan assembly for creating an air current comprises an air outlet (14) mounted on a stand (12). The stand (12) comprises a base (38, 40) and a body (42) tiltable relative to the base (38, 40). The fan assembly has a centre of gravity (CG) located so that when the base is located on a substantially horizontal support surface, the projection of the centre of gravity on the support surface is within the footprint of the base when the body is in a fully tilted position.

An adjustable side liner for a pump

An adjustment assembly for pump casing of a pump, the pump casing including a main part and a side part having a main axis and a side wall section extending laterally with respect to the main axis. The adjustment assembly is operable to cause relative displacement between the side part and the main part of the pump casing. The adjustment assembly includes a drive device and an actuator which can be activated externally of the pump, the drive device being operable to cause the relative displacement of the side part in response to activation of said actuator, the relative displacement capable of being a combination of axial and rotational movement.

ADJUSTABLE SIDE LINER FOR PUMP

An adjustment assembly for pump casing of a pump, the pump casing including a main part and a side part having a main axis and a side wall section extending laterally with respect to the main axis. The adjustment assembly is operable to cause relative displacement between the side part and the main part of the pump casing. The adjustment assembly includes a drive device and an actuator which can be activated externally of the pump, the drive device being operable to cause the relative displacement of the side part in response to activation of said actuator, the relative displacement capable of being a combination of axial and rotational movement.

ADJUSTABLE SIDE LINER FOR PUMP

An adjustment assembly for pump casing of a pump, the pump casing including a main part and a side part having a main axis and a side wall section extending laterally with respect to the main axis. The adjustment assembly is operable to cause relative displacement between the side part and the main part of the pump casing. The adjustment assembly includes a drive device and an actuator which can be activated externally of the pump, the drive device being operable to cause the relative displacement of the side part in response to activation of said actuator, the relative displacement capable of being a combination of axial and rotational movement.

A FAN ASSEMBLY

A fan assembly for creating an air current comprises an air outlet (14) mounted on a stand (12). The stand (12) comprises a base (38, 40) and a body (42) tiltable relative to the base (38, 40). The fan assembly has a centre of gravity (CG) located so that when the base is located on a substantially horizontal support surface, the projection of the centre of gravity on the support surface is within the footprint of the base when the body is in a fully tilted position.

LINER COUPLING PIN

A coupling pin for use in a pump housing, the pump housing including an outer casing and an inner pump liner, the coupling pin being suitable for locating the liner and casing relative to one another, the coupling pin including a shank and a head at one end of the shank. The head includes a cammed surface thereon which is adapted to co-operate with a follower on the liner, and a locating section on a remote or terminal end of the head which is adapted to be positioned against a seat in the outer casing when fitted. The arrangement is such that rotation of the coupling pin causes the follower to track along the cammed surface so as to cause relative movement between the outer casing and the inner pump liner.

A PUMP HOUSING SUPPORT

A pump housing support for use in a pump assembly, the pump assembly including a plurality of component parts which include a seal housing, a drive shaft having a rotation axis, an impeller and a pump housing, the pump housing which includes a main liner. The pump housing support comprises: a base and a mounting member which includes a body portion to which a part of the pump housing can be mounted and a locating flange extending therefrom, the locating flange having first and second locating surfaces on opposing sides thereof, wherein the main liner is located on the first locating surface and the seal housing is located on the second locating surface.

LUBRICANT RETAINER FOR PUMP SHAFT BEARING ASSEMBLY

A lubricant retainer for use in a pump bearing assembly, the bearing assembly which in a first operating configuration is lubricated by a relatively highly viscous lubricant, and which in a second operating configuration is lubricated by a less-viscous lubricant, the bearing assembly comprising a bearing housing having a bore extending therethrough for receiving a pump drive shaft, spaced-apart bearing mounting zones within said bore with a chamber therebetween, each bearing mounting zone arranged for the in use receipt of a bearing therein. Each zone has associated therewith one lubricant retainer, the lubricant retainer being adapted to be mounted within the bore adjacent the bearing mounting zone with which it is associated so as to form a barrier between the bearing mounting zone and the chamber when the pump bearing assembly is in the first operating configuration, the retainer being removed when the pump bearing assembly is in the second operating configuration.

The centrifugal compressor and the adjusting structure and centrifugal compressor

Pressing turboshaft engine

CONTROLLABLE PITOT DEVICE AND METHOD

A controllable Pitot device uses a Pitot nozzle supported by a Pitot nozzle holder for pumping fluid flowing in a first direction or in a second direction flowing opposite the first direction. The Pitot nozzle has one ingestion inlet pivotable to ingest fluid from either direction. Ingested fluid impinges on an obstacle interior to the Pitot nozzle which is disposed opposite the ingestion inlet to create a zone of fluid at stagnation pressure. Stagnation pressure pumps fluid via the interior of the Pitot nozzle through one of two openings for discharging pumped fluid out of a discharge outlet supported by the nozzle holder, to the exterior of the Pitot device. The nozzle holder can be a support structure or an embedded support operative with a rotating fluid machine.

Compressor unit with a variable aerodynamic profile

A compressor unit is disclosed comprising at least a first motor driving in rotation at least one impeller of a compression stage, having at the outlet of the impeller a diffuser designed to centrifugally channel the gases coming from the impeller, and having a centripetal return channel downstream of the diffuser. The return channel includes at least one movable blade portion that, when moved, can vary a tangential component of the speed of the gases coming from the return channel.

КОМПРЕССОРНЫЙ БЛОК С ИЗМЕНЯЕМЫМ АЭРОДИНАМИЧЕСКИМ ПРОФИЛЕМ

Описан компрессорный блок (25), содержащий, по меньшей мере, первый двигатель, приводящий во вращение по меньшей мере одно рабочее колесо (4) ступени сжатия, диффузор (23), расположенный на выходе из рабочего колеса (4) и предназначенный для центробежного направления газов, выходящих из рабочего колеса (4), и центростремительный направляющий аппарат (24), расположенный ниже по потоку от диффузора (23). Направляющий аппарат (24) содержит по меньшей мере одну подвижную лопаточную часть (21), которая выполнена с возможностью изменения касательной составляющей скорости газов, выходящих из направляющего аппарата (24), при своем движении. 8 з.п. ф-лы, 5 ил.

ВХОДНОЙ НАПРАВЛЯЮЩИЙ АППАРАТ ЦЕНТРОБЕЖНОГО КОМПРЕССОРА

Полезная модель относится к машиностроению, а точнее к компрессоростроению, насосостроению и турбостроению. Входной направляющий аппарат центробежного компрессора, содержащий управляющий рычаг и лопатки, состоящие из металлической пластины, соединённой с управляющим рычагом и расположенной у периферийной части канала входного направляющего аппарата центробежного компрессора, и упругой части, представляющей собой армированную резину, с одной стороны плотно закреплённой в пазу металлической пластины, а с другой стороны плотно установленной в пазу втулочной части входного направляющего аппарата центробежного компрессора, при этом лопатка выполнена с возможностью угла поворота передней кромки за счёт упругих деформаций при вращении управляющего рычага и плотной установки в пазу втулочной части входного направляющего аппарата центробежного компрессора. Технический результат: обеспечение безударного входа на переднюю часть лопатки входного направляющего аппарата на режимах регулирования, снижение ...

УСТРОЙСТВО РЕГУЛИРОВАНИЯ НАПРАВЛЯЮЩИХ ЛОПАТОК И ТУРБОМАШИНА

Настоящее изобретение относится к устройству регулирования направляющих лопаток турбомашины для поворачивания вокруг радиальной оси направляющих лопаток множества направляющих лопаток, которые сгруппированы в кольцо направляющих лопаток. Указанное устройство регулирования направляющих лопаток содержит приводной вал (26) и управляющее кольцо (27), которое передает вращение приводного вала (26) направляющим лопаткам (21) для поворачивания указанных направляющих лопаток. Приводной вал (26) непосредственно соединен с одной из направляющих лопаток (21) таким образом, что указанная направляющая лопатка может непосредственно поворачиваться, без вмешательства управляющего кольца (27), приводным валом (26). Приводной вал (26) или направляющая лопатка (21), которая может непосредственно приводиться в движение приводным валом (26), шарнирно соединены с управляющим кольцом (27) с помощью передающего рычага (28). Приводной вал (26) опосредованно соединен с другими направляющими лопатками (21), так что ...

Improvements in or relating to rotary pumps or fans

... 150,718. Salmson, Les fils de E., (Assignees of Soc. les HÚritiers d'E. Salmson). Sept. 9, 1919, [Convention date]. Casings.-The casing of a rotary pump or fan is made in two parts A, B, the joint being in the central plane and the parts being constructed to ensure exact centring of the shaft. Each part is bored to receive the shock-absorber C which consists of two parts c, d. The part c carries the diffuser blades, and the two parts are secured' together by bolts f and then attached to the casing part A by screws h. The casing part B is then fitted over the part d.

Система для компрессора турбонагнетателя (варианты)

1. Система для компрессора турбонагнетателя, содержащая:приводимый в движение кольцеобразный диск, содержащий дроссельные отверстия в нем;наружный кольцеобразный диск, содержащий дроссельные отверстия в нем; ипривод для поворачивания приводимого в движение кольцеобразного диска относительно наружного кольцеобразного диска, чтобы менять совмещение дроссельных отверстий приводимого в движение кольцеобразного диска и наружного кольцеобразного диска.2. Система по п. 1, в которой каждое из дроссельных отверстий расположено смежно впуску дроссельного канала, открытого к впуску компрессора, когда дроссельные отверстия совмещены, при этом выпуск дроссельного канала находится в сообщении по текучей среде с крыльчаткой в положении ниже по потоку от передней кромки разделяющих лопастей и передней кромки полных лопастей крыльчатки.3. Система по п. 2, дополнительно содержащая стравливающий канал, выпуск которого постоянно открыт к впуску компрессора, и впуск которого находится в сообщении по текучей среде с крыльчаткой выше по потоку от передней кромки разделяющих лопастей и ниже по потоку от передней кромки полных лопастей.4. Система по п. 3, в которой стравливающий канал расположен аксиально внутри дроссельного канала.5. Система по п. 1, в которой привод является вакуумным приводом.6. Система по п. 1, дополнительно содержащая контроллер двигателя с командами, хранимыми в нем, для управления приводом на основании условий работы компрессора турбонагнетателя.7. Система по п. 1, в которой наружный кольцеобразный диск содержит вставную часть на своей внутренней окружности, причем периферия вставной части совмещена с вне� РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 150 653 U1 (51) МПК F02B 37/12 (2006.01) F02D 23/00 (2006.01) F04B 39/08 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ТИТУЛЬНЫЙ (21)(22) Заявка: ЛИСТ ОПИСАНИЯ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ 2014125533/06, 24.06.2014 (24) Дата начала отсчета срока действия патента: 24.06.2014 Приоритет(ы): (30) Конвенционный ...

Variable geometry turbine

A variable geometry turbine for a turbocharger has a plurality of vanes disposed in an inlet passageway of a turbine housing outboard of the turbine wheel. The vanes are movable so as to adjust the effective cross-section area of the inlet between a first position in which the area of the inlet is a minimum and a second position in which the area of the inlet is a maximum. The movement of one end of the vanes is supported by a plurality of first guide tracks, such as slots, defined in a guide member. A vane actuator such as, for example a unison ring, effects movement of the vanes. The vane actuator has a plurality of actuation tracks (e.g. slots) for engagement with the vanes and is rotatably disposed in the housing. When it rotates the vane actuator induces sliding translation of the vanes relative to the first guide tracks in a first direction and sliding translation of the vanes relative to the actuation tracks in a second direction so as to adjust the cross-section area of the inlet. The swirl angle changes between the first and second positions.

Mechanism for modulating diffuser vane of diffuser

A mechanism modulates a fluid flow in a diffuser flow path of a compressor diffuser, including: a shroud disposed on the diffuser flow path and having a cam and a driving wheel fixed base; a diffuser vane having a diffuser guide vane disposed in the diffuser flow path and a diffuser vane shaft fixedly disposed on the diffuser vane that penetrates from the diffuser flow path through the shroud; a driving ring sleeved on the cam and having a moving bar; a sliding block having one end connected with one end the diffuser vane shaft that penetrates through the shroud, and the other end sleeved on a sliding groove formed on the moving bar; a driving wheel disposed in the driving wheel fixed base and having a driving shaft connected to an actuator outside of the compressor; and a driving cable connected to the driving wheel and the driving ring.

Centrifugal Compressor Part Load Control Algorithm for Improved Performance

A compressor system having a centrifugal compressor, controller and an interface is disclosed. The compressor includes adjustable guide vanes and a variable geometry diffuser. The controller is in electrical communication with each of the guide vanes and diffuser so as to monitor and adjust positions thereof in accordance with a predetermined control algorithm. The control algorithm is implemented in accordance with a method of controlling the centrifugal compressor. The method adjusts the position of the diffuser based on the actual lift, guide vane position and predetermined relationships between diffuser position and reference lift.

Variable-speed oil-free refrigerant centrifugal compressor with variable geometry diffuser

A refrigerant compressor includes a housing providing a refrigerant outlet having a throat. An electric motor is provided in the housing to directly drive an impeller via a shaft about an axis in response to a variable speed command. The impeller includes an outlet end aligned with variable geometry diffuser. A magnetic bearing assembly rotationally supports the shaft relative to the housing in response to a magnetic bearing command. A member is arranged to adjust the throat area, and which can move in a direction generally parallel to the axis in response to an actuator receiving a compressor regulation command. A controller is configured to respectively provide the variable speed command, the magnetic bearing command and the compressor regulation command to the electric motor to vary throat area, the magnetic bearing assembly and the actuator to obtain a desired compressor operation without the need of variable inlet geometry.

Blade cascade and turbomachine

A blade cascade for a turbomachine having a plurality of blades arranged next to one another in the peripheral direction, at least two blades having a variation for generating an asymmetric outflow in the rear area, as well as a turbomachine having an asymmetric blade cascade, which is connected upstream from another blade cascade, are disclosed.

Centrifugal compressor

A compressor has a hub-side wall of a hub-side wall plate, a shroud-side wall that faces the hub-side wall and forms a diffuser path between the shroud-side wall and the hub-side wall, vanes that protrude from the hub-side wall plate into the diffuser path, and an actuator capable of changing the distance between the vanes and the shroud-side wall in accordance with a flow rate of air in the diffuser path. Adjacent ones of the adjacent vanes do not overlap with each other when viewed from a center axis of the compressor. When the actuator maximizes the distance between the vanes and the shroud-side wall, the distance between the vanes and the shroud-side wall is smaller than the distance between the hub-side wall and areas of the shroud-side wall that face the vanes.

FAN ASSEMBLY

A fan assembly includes a base and a body mounted on the base for movement relative thereto between an untilted position and a tilted position. The fan assembly also includes an air outlet and an interior passage for conveying air to the air outlet, and which extends about an opening through which air from outside the fan assembly is drawn by air emitted from the air outlet. A brake and a stationary rail are disposed on the upper surface of the base, and a rail is connected to the lower surface of the body and located between the brake and the stationary rail. The brake is urged by a spring or other resilient member towards the stationary rail to urge the rail of the body against the stationary rail to maintain the body in a tilted position by means of friction between the rails. 1. A fan assembly comprising a base; a body mounted on the base for movement relative thereto between an untilted position and a tilted position , the body comprising at least one air inlet , an impeller and a motor for driving the impeller to draw an air flow through said at least one air inlet; at least one air outlet; an interior passage for conveying air to said at least one air outlet , the interior passage extending about an opening through which air from outside the fan assembly is drawn by air emitted from said at least one air outlet; a brake connected to the base for movement relative thereto; a stop member connected to the base; a section of the body being disposed between the brake and the stop member; and a resilient member for urging the brake towards the stop member to urge the section of the body against the stop member to maintain the body in a tilted position relative to the base by friction between the section of the body and the stop member.2. The fan assembly of claim 1 , wherein the brake is mounted on the upper surface of the base.3. The fan assembly of claim 2 , wherein the base comprises a plurality of guide rails connected to the upper surface of the base claim 2 , ...

System and method to improve performance of a compressor device comprising variable diffuser vanes

Embodiments of a system and method can modify the position of diffuser vanes to improve performance of a compressor device, e.g., a centrifugal compressor. These embodiments form a feedback loop to manage the position of the diffuser vanes relative to one or more operating parameters on the compressor device. In one embodiment, the system and method measure input power with the diffuser vanes at a first position and a second position. Changes in the input power will identify other positions for the diffuser vanes that optimize performance of the compressor device, e.g., to reduce power consumption and to achieve and maintain peak compressor efficiency within the entire operating envelope of the compressor device.

WATER PUMP FOR VEHICLE

The present disclosure provides a water pump for a vehicle including an impeller with an impeller discharging port configured to pump and discharge coolant, a shroud movably installed to open and close the impeller discharging port, a first pushing unit configured to push the shroud in a direction of opening the impeller discharging port, and a second pushing unit configured to push the shroud in a direction of closing the impeller discharging port. 1. A water pump for a vehicle , comprising:an impeller with an impeller discharging port that is configured to pump and to discharge coolant;a shroud movably installed and configured to open and to close the impeller discharging port;a first pushing unit configured to push the shroud in a direction of opening the impeller discharging port; anda second pushing unit configured to push the shroud in a direction of closing the impeller discharging port.2. The water pump for the vehicle of claim 1 , wherein:a drive shaft is provided in the impeller; anda pulley is connected with the drive shaft.3. The water pump for the vehicle of claim 2 , wherein the shroud is movably installed in an axial direction along the drive shaft.4. The water pump for the vehicle of claim 1 , wherein the first pushing unit comprises a spring disposed between the impeller and the shroud.5. The water pump for the vehicle of claim 1 , wherein the second pushing device comprises:a wax connected with the shroud through a pushrod, the wax configured to expand or contract depending on a heat amount; anda heater selectively configured to supply heat to the wax.6. The water pump for the vehicle of claim 5 , wherein the heater is connected to an engine control unit and controlled by an operating signal of the engine control unit.7. The water pump for the vehicle of claim 6 , wherein the engine control unit is configured to apply the operating signal to the heater such that the heater heats up the wax when an engine warms up.8. The water pump for the vehicle ...

COMPRESSOR CONTROL SYSTEM AND METHOD

A compressor control system includes: a compressor; an inlet guide vane (IGV) arranged at an inlet of the compressor, and configured to adjust opening of the inlet based on a supplementary surge control signal or a performance control signal; an anti-surge valve (ASV) connected to an outlet of the compressor, and configured to prevent a surge based on a surge control signal; and a controller configured to generate the surge control signal for controlling the ASV when an operating point enters a surge control range, generate the supplementary surge control signal for controlling the IGV in an anti-surge mode when the operating point enters a supplementary surge control range set between the surge control range and a surge range, and generate the performance control signal for controlling the IGV in a performance mode until the operating point enters the surge control range. 1. A compressor control system comprising:a compressor configured to compress a fluid;an inlet guide vane (IGV) arranged at an inlet of the compressor, and configured to adjust opening of the inlet by control of a supplementary surge control signal or a performance control signal;an anti-surge valve (ASV) connected to an outlet of the compressor, and configured to prevent a surge in the compressor by control of a surge control signal; anda controller configured to generate the surge control signal for controlling the ASV in response to an operating point of the compressor entering a surge control range, generate the supplementary surge control signal for controlling the IGV in an anti-surge mode in response to the operating point of the compressor entering a supplementary surge control range set between the surge control range and a surge range where the compressor generates a surge, and generate the performance control signal for controlling the IGV in a performance mode until the operating point of the compressor enters the surge control range.2. The compressor control system of claim 1 , ...

METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE, AN INTERNAL COMBUSTION ENGINE AND A MOTOR VEHICLE

A method of operating an internal combustion engine, wherein the internal combustion engine has at least one combustion engine, a fresh gas line, and a compressor integrated in the gas line, which is associated with a trim controller, via which an edge-side portion of the inlet cross section of a compressor impeller of the compressor is coverable to a variable extent. In this case, in a release position of the trim controller, the edge-side portion of the inlet cross section is covered relatively little, and in a covering position of the trim controller, is mostly covered. It is provided that in a transition from a traction mode of the combustion engine, in which the trim controller is in the release position, the trim controller is adjusted to an overrun mode of the combustion engine into the covering position. As a result, a so-called discharge hissing can be prevented or minimized. 1. A method for operating an internal combustion engine , the method comprising:providing a combustion engine and a fresh gas line, wherein a compressor is integrated in the fresh gas line and wherein the compressor is associated with a trim controller via which an edge-side portion of the inlet cross section of a compressor impeller of the compressor is adapted to be covered to a variable extent, wherein in a release position of the trim controller, the edge-side portion of the inlet cross section is covered relatively little and in a covering position of the trim controller, the edge-side portion is mostly covered;adjusting the trim controller to an overrun mode of the combustion engine into the covering position, in a transition from a traction mode of the combustion engine, in which the trim controller is in the release position.2. The method according to claim 1 , wherein claim 1 , in the covering position claim 1 , the trim controller covers the edge-side portion of the inlet cross section as much as possible.3. The method according to claim 1 , wherein the trim controller is ...

METHOD OF OPERATING A MOTOR VEHICLE AND MOTOR VEHICLE

A method of operating a motor vehicle having an internal combustion engine, wherein the internal combustion engine has at least one combustion engine which is connected by a rotary drive via a transmission and optionally a clutch with powered wheels of the motor vehicle, and further comprises a fresh gas line, and wherein in the fresh gas line, a compressor is integrated, which is associated with a trim controller, by means of which an edge-side portion of the inlet cross section of a compressor impeller of the compressor is coverable to a variable extent. In this case, in a release position of the trim controller, the edge-side portion of the inlet cross section is covered relatively little, preferably the least possible, and in a covering position of the trim controller, is mostly covered, preferably as much as possible. 1. A method for operating a motor vehicle having an internal combustion engine , the method comprising:providing a combustion engine that is connectable by a rotary drive to wheels of the motor vehicle via a transmission, and a fresh gas line, wherein a compressor is integrated in the fresh gas line and wherein the compressor is associated with a trim controller via which an edge-side portion of the inlet cross section of a compressor impeller of the compressor is adapted to be covered to a variable extent, wherein in a release position of the trim controller, the edge-side portion of the inlet cross section is covered relatively little and in a covering position of the trim controller the edge-side portion is mostly covered; andadjusting the trim controller to the covering position for the transition from a first operating state of the internal combustion engine, in which the transmission is in a first gear ratio switch position and the trim controller is in the release position to a second operating state of the internal combustion engine in which the transmission is in a second gear ratio shift position.2. The method according to claim 1 , ...

MERCHANDISER WITH AIRFLOW DIVIDER

A fan plenum for a refrigerated merchandiser, in which the refrigerated merchandiser includes a case defining a product display area and a lower flue, a first air passageway, and a second air passageway, and in which the first air passageway and second air passageway are in fluid communication with the lower flue and with the product display area, includes a top wall including a fan aperture for receiving a fan having a plurality of fan blades. The fan plenum further includes a side wall and a plenum base. An airflow divider partitions the fan plenum into a first duct and a second duct. The first duct is fluidly couplable with the first air passageway and the second duct is fluidly couplable with the second air passageway. 1. A fan plenum for a refrigerated merchandiser , the refrigerated merchandiser including a case defining a product display area and including a lower flue , a first air passageway , and a second air passageway , the first air passageway and second air passageway in fluid communication with the lower flue and with the product display area , the fan plenum comprising:an airflow divider to direct a first portion of an airflow to the first air passageway and to direct a second portion of the airflow to the second air passageway, wherein the proportion of air between the first portion and the second portion is a function of a position and geometry of the airflow divider,wherein the fan plenum includes a top wall, a side wall, and a plenum base, and wherein the airflow divider partitions the fan plenum into a first duct and a second duct, the first duct in communication with the first air passageway and the second duct in communication with the second air passageway,wherein the airflow divider includes a first wall member and a second wall member, wherein the first wall member and the second wall member operably separate the first duct from the second duct, andwherein the first wall member and the second wall member are orthogonal to the top wall, and ...

VARIABLE TURBINE OR COMPRESSOR GEOMETRY FOR AN EXHAUST GAS TURBOCHARGER

A variable turbine and/or compressor geometry for an exhaust gas turbocharger may include an adjusting ring for simultaneously adjusting a plurality of guide vanes. The adjusting ring may be operatively connected to an articulated lever via a first contact surface and to an associated adjusting lever of the plurality of guide vanes via a second contact surface. The adjusting ring may include, at least in a region of the first contact surface, an additional component which is pressed into the adjusting ring and which increases the first contact surface operatively connected with the articulated lever. 1. A variable turbine and/or compressor geometry for an exhaust gas turbocharger , comprising:an adjusting ring for simultaneously adjusting a plurality of guide vanes, wherein the adjusting ring is in operative connection with an articulated lever via a first contact surface and with an associated adjusting lever of the plurality of guide vanes via a second contact surface,wherein the adjusting ring includes, at least in a region of the first contact surface, an additional component which is pressed into the adjusting ring and which increases the first contact surface in operative connection with the articulated lever.2. The variable turbine and/or compressor geometry according to claim 1 , wherein the adjusting ring further includes claim 1 , in a region of the second contact surface claim 1 , another additional component which is pressed into the adjusting ring and which increases the second contact surface in operative connection with the associated adjusting lever.3. The variable turbine and/or compressor geometry according to claim 1 , wherein the additional component is configured as a metal-powder injection-moulded part.4. The variable turbine and/or compressor geometry according to claim 1 , wherein the additional component includes at least one bulge that facilitates a play-free press fit with the adjusting ring.5. The variable turbine and/or compressor ...

COLLECTOR FOR A COMPRESSOR

Embodiments of the present disclosure are directed toward a compressor includes an impeller configured to compress a working fluid, a diffuser positioned downstream of the impeller with respect to a flow path of the working fluid, where the diffuser is configured to direct the working fluid through a radial passage, and where the diffuser comprises a vaned diffuser portion disposed within the radial passage, and a collector positioned downstream of the diffuser with respect to the flow path of the working fluid, where a chamber of the collector is axially offset from the radial passage of the diffuser. 1. A compressor , comprising:an impeller configured to compress a working fluid;a diffuser positioned downstream of the impeller with respect to a flow path of the working fluid, wherein the diffuser is configured to direct the working fluid through a radial passage, and wherein the diffuser comprises a vaned diffuser portion disposed within the radial passage; anda collector positioned downstream of the diffuser with respect to the flow path of the working fluid, wherein a chamber of the collector is axially offset from the radial passage of the diffuser.2. The compressor of claim 1 , wherein the diffuser comprises a variable geometry diffuser ring portion disposed within the radial passage.3. The compressor of claim 2 , wherein the variable geometry diffuser ring portion comprises a ring configured to extend axially into the radial passage to adjust a flow of the working fluid through the radial passage.4. The compressor of claim 3 , wherein the vaned diffuser portion is positioned downstream of the variable geometry diffuser ring portion with respect to the flow path of the working fluid claim 3 , and wherein a position of the ring of the variable geometry diffuser ring portion is configured to adjust a flow angle of the working fluid directed toward the vaned diffuser portion.5. The compressor of claim 1 , comprising an interface positioned between an outlet of ...

Variable geometry diffuser ring

A compressor includes an impeller, a diffuser passage having a diffuser vane therein, and a variable geometry diffuser ring positioned between the impeller and the diffuser vane with respect to a flow of a refrigerant through the compressor. The compressor also includes an actuator configured to move the variable geometry diffuser ring in a direction transverse to the flow of the refrigerant, and between a plurality of ring positions including a fully retracted ring position in which the variable geometry diffuser ring does not block the flow of the refrigerant, and at least one protruded ring position in which the variable geometry diffuser ring adjusts an angle of the flow of the refrigerant upstream of the diffuser vane.

TURBOMACHINE ASSEMBLY

The present disclosure relates to a turbomachine assembly, which includes a shaft, a radial gas expander supported on the shaft between a first bearing and a second bearing, and a compressor supported on the shaft in overhung position adjacent to one or the other of the first and second bearings. The compressor includes a plurality of movable inlet nozzles and the radial gas expander includes a plurality of movable guide vanes. 1. A turbomachine assembly comprising:a shaft,a radial gas expander supported on the shaft between at least one first bearing and at least one second bearing, anda compressor supported on the shaft in an overhung position adjacent to at least one of said first or second bearings,said wherein the radial gas expander comprises a plurality of movable guide vanes.2. The turbomachine assembly according to claim 1 , wherein said compressor includes a plurality of movable inlet nozzles.3. The turbomachine assembly according to claim 1 , wherein the radial gas expander comprises at least two radial stages.4. The turbomachine assembly according to claim 3 , wherein at least one of the radial stages comprises a movable set of inlet guide vanes.5. The turbomachine assembly according to claim 4 , wherein each radial stage comprises a respective movable set of inlet guide vanes claim 4 , each set being actuated independently from the other set.6. The turbomachine assembly according to claim 1 , wherein at least a seal is provided on said shaft between the compressor and the radial gas expander.7. The turbomachine assembly according to claim 1 , wherein a first process gas is compressed in said compressor and a second operative gas is expanded in said radial gas expander.8. The turbomachine assembly according to claim 1 , wherein said radial gas expander is part of an organic Rankine cycle.9. The turbomachine assembly according to claim 1 , wherein said shaft operates at a variable speed.10. The turbomachine assembly according to claim 1 , wherein said ...

MULTI-DIRECTIONAL COOLING FAN

A cooling fan extending vertically to define a longitudinal axis, the cooling fan configured to blow air and mist therefrom. The cooling fan includes a base and multiple stacked duct housings with a fan housing therebetween, each of the duct housing being rotatably coupled to each other. The base includes a water tank associated with an atomizer, an axial flow fan, and a misting tube, the misting tube extending upward from the atomizer along the axis through an air duct defined by the duct housings. Each of the duct housings include an air outlet and a misting outlet to independently disperse air and mist therefrom to be mixed upon exiting the cooling fan. With this arrangement, each one of the duct housings is rotatable about the longitudinal axis relative to an adjacent one of the multiple duct housings to provide directional misted air flow from multiple selected positions. 1. A cooling fan extending vertically to define a longitudinal axis , the cooling fan configured to blow air and mist therefrom , the cooling fan comprising:a base including a tank sized and configured to hold water, the tank including a misting tube, an atomizer, and an axial flow fan associated therewith;a fan housing rotatably coupled to the base, the fan housing defining an air inlet therein and including a fan coupled to the fan housing, the fan housing defining a base duct adjacent to the fan configured to facilitate upward air flow;a first duct housing coupled to the fan housing so as to facilitate the air flow from the base duct, the first duct housing positioned above the fan housing and including a first air outlet and a first misting outlet, the first air outlet communicating with the air flow flowing from the base duct, the first misting outlet communicating with the misting tube;a second duct housing rotatably coupled to the first duct housing so as to facilitate the air flow from the first duct housing, the second duct housing positioned above the first duct housing and including ...

COMPRESSOR TRAIN START-UP USING VARIABLE INLET GUIDE VANES

A method for operating start-up of a compressor train is disclosed. The train includes a driver machine and at least a centrifugal compressor drivingly coupled to the driver machine. The centrifugal compressor in turn includes a plurality of compressor stages and at least a first set of variable inlet guide vanes at an inlet of one of the compressor stages. The method includes at least partly closing the first set of variable inlet guide vanes; when the first set of variable inlet guide vanes is at least partly closed, starting rotation of the centrifugal compressor and accelerating the centrifugal compressor up to a minimum operating speed; opening the at least one set of variable inlet guide vanes to increase the gas flow through the centrifugal compressor once the minimum operating speed has been achieved. 1. A method for operating start-up of a compressor train comprising a driver machine and at least a centrifugal compressor drivingly coupled to the driver machine , the centrifugal compressor comprising a plurality of compressor stages and at least a first set of variable inlet guide vanes at an inlet of one of said compressor stages; the method comprising:at least partly closing the first set of variable inlet guide vanes;starting rotation of the centrifugal compressor and accelerating the centrifugal compressor up to a minimum operating speed, while the first set of variable inlet guide vanes is at least partly closed;opening the first set of variable inlet guide vanes to increase the gas flow through the centrifugal compressor once the minimum operating speed has been achieved.2. The method of claim 1 , wherein the first set of variable inlet guide vanes is arranged at the inlet of a most upstream compressor stage of the centrifugal compressor.3. The method of claim 1 , wherein the driver machine comprises a single-shaft gas turbine engine and a starter; and wherein during starting rotation of the centrifugal compressor and accelerating the centrifugal ...

Electromechanical actuators for refrigerant flow control

An actuator assembly includes a first actuator, a second actuator, and a moving piece that is disposed between the first actuator and the second actuator. The moving piece is positionable to close a gap in the compressor.

Water pump having direction adjusting mechanism

A water pump having direction adjusting mechanism includes: a first housing, formed with an accommodation space and including a first pipe member and a plurality of first fasten parts arranged at a periphery of the first housing; a stator set, including a base plate covered on the first housing, and a coil structure; a partition cover enclosing the coil structure; an impeller set disposed on the partition cover; a rotor set disposed corresponding to the coil structure; and a second housing, engaged at another side of the first housing corresponding to the base plate, and including a second pipe member and a plurality of second fasten parts disposed corresponding to the first fasten parts and arranged at a periphery of the second housing, thereby allowing relative locations of the first pipe member and the second pipe member to be adjusted.

INTERSTAGE CAPACITY CONTROL VALVE WITH SIDE STREAM FLOW DISTRIBUTION AND FLOW REGULATION FOR MULTI-STAGE CENTRIFUGAL COMPRESSORS

Centrifugal compressors can incorporate a side stream flow of intermediate pressure vapor between stages of that compressor. The side stream flow can be controlled by a side stream injection port controlled by a throttle ring disposed between stages of the compressor. The throttle ring can allow or obstruct flow through the side stream injection port. The throttle ring can extend and retract in a direction substantially perpendicular to the direction of flow from the first stage impeller to the second stage impeller. A method of operating a centrifugal compressor can include actuating a throttle ring by rotating a drive ring to adjust a flow of interstage fluid into the second stage impeller. 1. A centrifugal compressor for compressing a fluid , comprising:a first stage impeller;a second stage impeller;a plurality of guide vanes forming channels located between the first stage impeller and the second stage impeller, the channels configured to direct an interstage flow of the fluid from the first stage impeller to the second stage impeller;a side stream injection port located between the first stage impeller and the second stage impeller, the side stream injection port configured to receive a side stream of the fluid; anda throttle ring configured to move through the side stream injection port between an extended position and a retracted position,a drive ring; and in the extended position, the throttle ring obstructs flow of the side stream of the fluid through the side stream injection port and partially obstructs the interstage flow of the fluid through the channels, and', 'in the retracted position, the throttle ring allows the side stream of the fluid to flow through the side stream injection port., 'linkage assemblies connecting the drive ring to the throttle ring such that rotation of drive ring moves the throttling ring in the axial direction between the retracted position and the extended position, wherein'}2. The centrifugal compressor of claim 1 , ...

INLET GUIDE VANE ASSEMBLY

An inlet guide vane assembly having a plurality of pivoting vanes interconnected with a mechanism useful to move the vanes between positions. The vanes can be connected via a series of links and reciprocating hinges which together transmit motion from a drive vane to a number of driven vanes without the need for a sync ring. Motion received by a drive vane is transmitted via a first link to a reciprocating hinge, where the reciprocating hinge is capable of both pivoting and moving in a reciprocating manner along a path. The reciprocating hinge can also be coupled with a second link which transmits motion imparted from the drive vane via the first link to a driven vane. The driven vane is connected via another second link to another reciprocating hinge, which in turns transmits further motion via another first link to another driven vane. 1. An apparatus comprising:an inlet guide vane device having a plurality of vanes, one the plurality of vanes being a drive vane and the other of the plurality of vanes being driven vanes, each of the drive vane and a driven vanes project radially into a flow stream, the drive vane and the driven vanes structured as variable vanes that pivot about their respective rotational axes to change a cross sectional area of the inlet guide vane through which the flow stream traverses, the drive vane coupled to at least one of the driven vanes through a reciprocating hinge, the reciprocating hinge connected to the drive vane through a first link and connected to the at least one of the driven vanes through a second link such that rotation of the drive vane about its axis causes motion of the reciprocating hinge through action of the first link, and the motion of the reciprocating hinge causes actuation of the at least one of the driven vanes through action of the second link, wherein the drive vane is capable of causing sympathetic motion of the driven vane without a circumferentially extending synchronization ring.2. The apparatus of claim 1 ...

RADIAL COMPRESSOR HAVING IRIS DIAPHRAGM MECHANISM

A radial compressor having a specially designed iris diaphragm mechanism is described. This mechanism includes only a single (main) blade that is driven directly by an actuating element, while the other blades are driven by the respective preceding blade via the movement of the main blade. This results in a particularly simple embodiment of the iris diaphragm mechanism. A blade for an iris diaphragm mechanism of this type and a charging device having a radial compressor of this type are furthermore described. 1. A radial compressor for a charging device of an internal combustion engine , comprising:a compressor arranged in a compressor housing,a fresh air feed duct for guiding a fresh air mass flow to the compressor wheel, andan iris diaphragm mechanism, which is arranged upstream of the compressor wheel in the fresh air feed duct and has a multiplicity of blades for opening and closing an iris orifice in order to variably set a flow cross section for the fresh air mass flow,wherein the multiplicity of the blades has a main blade which is actuated for adjustment by an actuating element, and blades guided for adjustment by the main blade, andwherein all the blades are rotatably mounted on the compressor housing or on some other fixed component and all the blades have a guide slot in which a guide element of the respectively adjacent blade engages for adjustment of the following blade.2. The radial compressor as claimed in claim 1 , wherein the main blade has a main aperture claim 1 , with which an actuating pin that acts linearly or in a rotary manner interacts as the actuating element.3. The radial compressor as claimed in claim 1 , wherein the guide element is a journal that engages in the guide slot of the following blade and is movable therein.4. The radial compressor as claimed in claim 1 , wherein all the blades have a bearing journal rotatably mounted on the compressor housing or on some other fixed component.5. The radial compressor as claimed in claim 1 , ...

METHODS AND SYSTEMS FOR CONTROLLING TURBOCOMPRESSORS

A method for regulating a turbocompressor to prevent surge, is described. The method comprises the following steps: providing at least one surge limit line of turbocompressor; continuously determining an actual value of a corrected speed of the turbocompressor; continuously determining at least a maximum admissible pressure ratio on the surge limit line, corresponding to the actual value of the corrected speed; continuously determining an actual pressure ratio; acting upon an antisurge arrangement, if the actual pressure ratio is equal to or higher than the maximum admissible pressure ratio. 1. A method for regulating a turbocompressor to prevent surge , comprising the following steps:providing at least one surge limit line and/or at least one choke line of said turbocompressor;determining continuously an operating point of the compressor measuring a processing gas temperature at a compressor inlet, the rotary speed of the compressor, a delivery pressure value and a suction pressure value;continuously determining an actual value of a corrected speed of the turbocompressor, the corrected speed being proportional to a ratio of the rotary speed to a square root of the processing gas temperature;continuously determining at least a maximum admissible pressure ratio on said surge limit line and/or at least a minimum admissible pressure ratio on said choke line, corresponding to the actual value of the corrected speed;continuously determining an actual pressure ratio, equal to a ratio between the delivery pressure value and the suction pressure value; andacting upon an antisurge arrangement to recirculate a fraction of a the compressed gas in the compressor through a suction line, if the actual pressure ratio is equal to or higher than the maximum admissible pressure ratio or equal to or lower than the minimum admissible pressure ratio.2. The method of claim 1 , further comprising the step of calculating a surge parameter defined as a ratio ofthe maximum admissible ...

PASSIVE INLET-ADJUSTMENT MECHANISMS FOR COMPRESSOR, AND TURBOCHARGER HAVING SAME

A centrifugal compressor for a turbocharger includes a passive inlet-adjustment mechanism in an air inlet for the compressor, operable to move between an open position and a closed position solely by aerodynamic forces on the mechanism. The inlet-adjustment mechanism includes a plurality of flexible vanes collectively forming a duct, and an effective diameter of the air inlet at the inducer portion of the compressor wheel is determined by a trailing edge inside diameter of the duct. The vanes are movable solely by aerodynamic forces exerted on the vanes by the air flowing to the compressor wheel. The duct has a tapering configuration when the vanes are in a relaxed state, but under aerodynamic force the vanes flex outwardly and increase the trailing edge inside diameter of the duct, thereby increasing an effective diameter of the air inlet. 1. A turbocharger , comprising:a turbine housing and a turbine wheel mounted in the turbine housing and connected to a rotatable shaft for rotation therewith, the turbine housing receiving exhaust gas and supplying the exhaust gas to the turbine wheel;a centrifugal compressor assembly comprising a compressor housing and a compressor wheel mounted in the compressor housing and connected to the rotatable shaft for rotation therewith, the compressor wheel having blades and defining an inducer portion, the compressor housing defining an air inlet for leading air generally axially into the inducer portion of the compressor wheel, the compressor housing further defining a volute for receiving compressed air discharged generally radially outwardly from the compressor wheel, the air inlet having an inner surface that extends for an axial length along a downstream direction, followed by an inlet-adjustment mechanism disposed in the air inlet, followed by a shroud surface that is adjacent to outer tips of the blades of the compressor wheel;the inlet-adjustment mechanism comprising a plurality of vanes constructed of a flexible material, ...

CENTRIFUGAL COMPRESSOR FOR A TURBOCHARGER, HAVING SYNERGISTIC PORTED SHROUD AND INLET-ADJUSTMENT MECHANISM

A centrifugal compressor for a turbocharger includes an inlet-adjustment mechanism in an air inlet for the compressor, operable to move between a closed position, an open position, and a super-open position. The compressor also includes a ported shroud system. The inlet-adjustment mechanism includes a plurality of blades disposed about the air inlet and movable radially inwardly and outwardly for defining the various positions. In the closed position, the effective diameter of air inlet is reduced and the blades block flow through the ported shroud system. In the open position, the blades still block the ported shroud but the effective inlet diameter is increased relative to the closed position. In the super-open position, the blades unblock the ported shroud so that an additional amount of flow can pass through the ported shroud, thereby shifting the compressor's choke flow line to higher flow rates. 1. A turbocharger , comprising:a turbine housing and a turbine wheel mounted in the turbine housing and connected to a rotatable shaft for rotation therewith, the turbine housing receiving exhaust gas and supplying the exhaust gas to the turbine wheel;a centrifugal compressor assembly comprising a compressor housing and a compressor wheel mounted in the compressor housing and connected to the rotatable shaft for rotation therewith, the compressor wheel having blades and defining an inducer portion, the compressor housing having an air inlet wall defining an air inlet for leading air generally axially into the compressor wheel, the compressor housing further defining a shroud surface that is adjacent to and follows a radially outer contour of the compressor wheel;a compressor inlet-adjustment mechanism disposed in the air inlet of the compressor housing and movable between a closed position and a super-open position, the inlet-adjustment mechanism comprising a plurality of blades that are distributed about a circumference of the air inlet and that collectively form a ...

SYSTEMS AND METHODS OF IMPROVED PLANT CULTIVATION AND ELONGATE AIRFLOW ASSEMBLY FOR THE SAME

An elongate air delivery assembly having a housing extending between two end caps. The housing includes a plurality of exit vents from which airflow is provided in a consistent sheet at a uniform velocity, and the housing is rotatable about a central longitudinal axis to change a direction of the airflow. A method of improving plant cultivation includes positioning one or more elongate air delivery systems adjacent rows of plants such that the sheet of air generated by the elongate air delivery system is directed horizontally across the plants underneath their plant canopy. 1. An elongate airflow assembly comprising:a first end and a second end positioned opposite the first end;a housing extending between the first and second ends and defining a central longitudinal axis, the housing including a plurality of intake slots and a plurality of exit vents; anda plurality of fans positioned within the housing and including a plurality of blades that are rotatable about a fan axis in a first rotational direction,wherein, when the plurality of blades are rotated in the first rotational direction, air flows through the plurality of intake slots in a first airflow direction generally tangential to the central longitudinal axis and flows through the plurality of exit vents in a second airflow direction generally tangential to the longitudinal axis.2. The elongate airflow assembly of claim 1 , wherein the housing is rotatable about the central longitudinal axis that extends through a center of the housing and between the first and second ends.3. The elongate airflow assembly of claim 2 , wherein the housing is rotatable about the central longitudinal axis in the first rotational direction and a second rotational direction that is opposite the first rotational direction.4. The elongate airflow assembly of claim 2 , wherein the first end comprises a first end cap including a first perimeter portion claim 2 , and wherein a position of the first perimeter portion is independent of ...

COMPRESSOR OF TURBOCHARGER

A compressor of a turbocharger including a compressor housing and a compressor impeller. The compressor housing includes: a compressor flow passage, a compressor air inlet, and a compressor air outlet. The compressor impeller includes an impeller feeding flow passage. The compressor impeller is disposed inside the compressor housing. The compressor flow passage is disposed inside the compressor housing. The compressor flow passage is connected to the compressor air inlet and the compressor air outlet. The impeller air feeding flow passage is connected to the compressor air inlet and the compressor flow passage. 1. A compressor of a turbocharger , comprising:a) a compressor housing, the compressor housing comprising: a compressor flow passage, a compressor air inlet, and a compressor air outlet;b) a compressor impeller, the compressor impeller comprising an impeller feeding flow passage; the compressor impeller is disposed inside the compressor housing;', 'the compressor flow passage is disposed inside the compressor housing;', 'the compressor flow passage is connected to the compressor air inlet and the compressor air outlet; and', 'the impeller air feeding flow passage is connected to the compressor air inlet and the compressor flow passage., 'wherein'}2. The compressor of claim 1 , whereinthe compressor flow passage comprises a compressor inner flow passage and a compressor outer flow passage which are arranged side by side on the compressor housing; and{'b': 1', '2, 'a ratio of a width W of an air inlet of the compressor inner flow passage to a width W of an air inlet of the compressor outer flow passage is between 0.1 and 10.'}3. The compressor of claim 2 , wherein a compressor diffuser is disposed at the air inlet of the compressor inner flow passage.4. The compressor of claim 3 , whereinthe compressor air outlet comprises: an air outlet of the compressor inner flow passage connected to the compressor inner flow passage and an air outlet of the compressor outer ...

Blade Adjustment Mechanism and Air Circulator

A blade adjustment mechanism and an air circulator. The air circulator includes a housing defining an air outlet, and the air outlet includes an air inlet side and an air outlet side. The blade adjustment mechanism includes: a fixing bracket, fixedly connected with the housing; at least two wind guide assemblies, spaced apart from each other and partially extending into the air outlet, rotationally connected with the fixing bracket; at least two first connecting rods, rotationally connected with the at least two wind guide assemblies located, extension lines of the at least two first connecting rods along length directions of the at least two first connecting rods being configured to intersect; and a second connecting rod, fixedly connected with an end of each of the at least two first connecting rod. 1. A blade adjustment mechanism , applied to an air circulator comprising a housing defining an air outlet , the air outlet comprising an air inlet side and an air outlet side , wherein the blade adjustment mechanism comprises:a fixing bracket, fixedly connected with the housing;at least two wind guide assemblies, spaced apart from each other and partially extending into the air outlet, one of the at least two wind guide assemblies comprising two opposite side edges, a side edge of the one of the at least two wind guide assemblies located at the air outlet side being rotationally connected with the fixing bracket;at least two first connecting rods, an end of one of the at least two first connecting rods being rotationally connected with a side edge of the one of the at least two wind guide assemblies located at the air inlet side, extension lines of the at least two first connecting rods along length directions of the at least two first connecting rods being configured to intersect; anda second connecting rod, fixedly connected with an end of each of the at least two first connecting rods facing away from the at least two wind guide assemblies;wherein the second ...

ROTATING GUIDE VANE MODULE FOR HYDRAULIC WORKING CONDITION ADJUSTMENT AND METHOD OF ASSEMBLING IN TURBOPUMP

The present invention belongs to the technical field of fluid machinery, and proposes a rotating guide vane module for hydraulic working condition adjustment and a method of assembling in a turbopump. The rotating guide vane module comprises a rotating guide vane back cover plate, a rotating guide vane front cover plate, a rotating guide vane drive gear, and rotating guide vanes. Each rotating guide vane is an integrally-formed independent component and comprises a rotating guide vane back seat, a blade, a rotating guide vane front seat, and a shaft. When the rotating guide vane module for hydraulic working condition adjustment of the present invention is used for adjusting the hydraulic working condition, a center gear rotates to drive the rotating guide vane drive gear, and then the rotating guide vanes rotate to change their opening degrees. 11414123412. A rotating guide vane module for hydraulic working condition adjustment , comprising a rotating guide vane module () , wherein the rotating guide vane module () comprises a rotating guide vane back cover plate () , a rotating guide vane front cover plate () , a rotating guide vane drive gear () , and rotating guide vanes (); the rotating guide vane back cover plate () is ring-shaped , and the rotating guide vane front cover plate () is ring-shaped;{'b': 4', '6', '7', '8', '9', '6', '8', '7', '7', '6', '8', '9', '8', '6', '8', '9, 'each rotating guide vane () is an integrally-formed independent component and comprises a rotating guide vane back seat (), a blade (), a rotating guide vane front seat (), and a shaft (); the rotating guide vane back seat () and the rotating guide vane front seat () are cylindrical; the blade () is sheet-shaped; the blade () is located between the rotating guide vane back seat () and the rotating guide vane front seat (); the shaft () is connected with the rotating guide vane front seat (); the central axis of the rotating guide vane back seat (), the central axis of the rotating guide ...

Turbocharger utilizing variable-camber turbine guide vane system

A turbocharger includes a compressor section having a compressor housing and a compressor wheel and a turbine section having a turbine housing and a turbine wheel drivingly connected to the compressor wheel. At least one of the compressor housing and the turbine housing includes a variable camber vane system including an inner ring of airfoils and an outer ring of airfoils with one of the inner and outer rings of airfoils being movable relative to the other.

INLET GUIDE VANE ASSEMBLY

An inlet guide vane assembly is provided. The inlet guide vane assembly includes a housing, a rotating shaft rotatably located in the housing, a vane portion connected to the rotating shaft, a bushing portion located between the rotating shaft and the housing, and an elastic portion located between the bushing portion and the rotating shaft. 1. An inlet guide vane assembly comprising:a housing;a rotating shaft disposed in the housing;a vane portion connected to the rotating shaft;a bushing portion disposed between the rotating shaft and the housing; andan elastic portion disposed between the bushing portion and the rotating shaft.2. The inlet guide vane assembly of claim 1 , wherein at least a part of the elastic portion is curved.3. The inlet guide vane assembly of claim 1 , wherein an insertion groove into which the elastic portion is inserted is formed on an outer surface of the rotating shaft.4. The inlet guide vane assembly of claim 1 , wherein the elastic portion and the rotating shaft are in point contact with each other.5. The inlet guide vane assembly of claim 1 , wherein the elastic portion comprises a plurality of recess portions and a plurality of protruded portions.6. The inlet guide vane assembly of claim 1 , further comprising:a first gear disposed on the rotating shaft and configured to rotate the rotating shaft; anda second gear connected to the first gear and configured to rotate the first gear.7. An inlet guide vane assembly comprising:a housing;a rotating shaft disposed in the housing;a vane portion connected to the rotating shaft;a bushing portion disposed between the rotating shaft and the housing; andan elastic portion disposed between the bushing portion and the rotating shaft, a body portion; and', 'a protruding portion protruding from the body portion., 'wherein the elastic portion comprises8. The inlet guide vane assembly of claim 7 , wherein the protruding portion protrudes from an inner surface of the body portion toward the rotating ...

VARIABLE TURBINE AND/OR COMPRESSOR GEOMETRY FOR AN EXHAUST GAS TURBOCHARGER

At least one of a variable turbine geometry and a variable compressor geometry for an exhaust gas turbocharger may include a housing including a first housing wall and a blade bearing ring having at least one guide blade rotatably mounted thereon. A control lever may be included for adjusting the at least one guide blade between a closing position and an opening position. An actuating shaft may be connected to the control lever in a rotationally fixed manner along a rotation axis. The actuating shaft may be rotatably mounted on the housing via a passage opening disposed in the first housing wall. The actuating shaft may directly support itself on the first housing wall in the passage opening. 1. At least one of a variable turbine geometry and a variable compressor geometry for an exhaust gas turbocharger , comprising:a housing including a first housing wall,a blade bearing ring including at least one guide blades rotatably mounted thereon,a control lever for adjusting the at least one guide blade between a closing position and an opening position, andan actuating shaft connected to the control lever in a rotationally fixed manner along a rotation axis, the actuating shaft rotatably mounted on the housing via a passage opening disposed in the first housing wall,wherein the actuating shaft directly supports itself on the first housing wall in the passage opening.2. The at least one of the variable turbine geometry and the variable compressor geometry according to claim 1 , further comprising a protective coating disposed on a wall section of the first housing wall delimiting the passage opening.3. The at least one of the variable turbine geometry and the variable compressor geometry according to claim 2 , wherein the protective coating contains at least one of carbon and nitrogen.4. The at least one of the variable turbine geometry and the variable compressor geometry according to claim 1 , wherein:the housing further includes a second housing wall disposed opposite ...

Centrifugal blower assembly and method for assembling the same

A centrifugal blower assembly comprises a scroll wall and a pair of opposing sidewalls. The scroll wall is positioned between the pair of opposing sidewalls such that the scroll wall and opposing sidewalls together define a blower chamber and a blower outlet. The blower outlet defines a blower outlet area. An adjustable outlet plate is pivotably coupled to the pair of opposing sidewalls such that the adjustable outlet plate is moveable between a first position to define a first blower outlet area and a second position to define a second blower outlet area.

Adaptive volutes for centrifugal pumps

Centrifugal pump systems and related methods are disclosed herein that can shift a best efficiency point of a pump based on one or more operating conditions to operate more efficiently across and/or adjust to a broader range of conditions. Pumps provided for herein can include an adaptive volute in which a geometry of the volute can be adjusted to shift an operating efficiency of the pump. In some embodiments, a height or radial dimension of the adaptive volute can be adjusted based on one or more operating condition. A geometry of the adaptive volute can be adjusted during operation of the pump and/or while an impeller is disposed within the volute. In some embodiments, a first and second collar can be disposed within the adaptive volute. Rotation of the first component can move the second component axially, which can expand or contract an axial dimension of the adaptive volute.

SYSTEMS AND METHOD FOR A VARIABLE INLET DEVICE OF A COMPRESSOR

Methods and systems are provided for a variable inlet device of a compressor. In one example, a compressor may include an impeller rotatable about a central axis and an inlet conduit including a variable inlet device (VID) positioned upstream of the impeller and adjustable between and open position and a closed position that restricts and generates pre-swirl flow to the impeller. The VID may include a plurality of adjacently arranged blades forming a ring around the central axis with inner surfaces of the blades forming a flow passage through the VID, each of the blades being pivotable, about an axis arranged tangent to the ring, between the open and closed position. 1. A compressor , comprising:an impeller rotatable about a central axis; andan inlet conduit including a variable inlet device (VID) positioned therein, upstream of the impeller, and including a plurality of adjacently arranged blades forming a ring around the central axis with inner surfaces of the blades forming a flow passage through the VID, each of the blades being pivotable, about an axis arranged tangent to the ring, between an open and closed position.2. The compressor of claim 1 , wherein each blade of the plurality of blades includes an inlet end and an outlet end claim 1 , the inlet end arranged upstream of the outlet end claim 1 , and wherein the flow passage is formed within the inner surfaces of the blades claim 1 , between the inlet end and outlet end of each blade.3. The compressor of claim 2 , wherein each blade includes side surfaces extending between the inlet end and outlet end and wherein claim 2 , for each blade claim 2 , a first side surface of the side surfaces contacts a side surface of a first adjacent blade and a second side surface of the side surfaces contacts a side surface of a second adjacent blade.4. The compressor of claim 2 , wherein an inlet end of the VID is formed by the inlet end of each blade and an outlet end of the VID is formed by the outlet end of each blade ...

SYSTEMS AND METHOD FOR A VARIABLE INLET DEVICE OF A COMPRESSOR

Methods and systems are provided for a variable inlet device of a compressor. In one example, a compressor may include a casing forming a recirculation passage surrounding an intake passage, an active casing treatment surrounding a wall separating the intake passage and the recirculation passage and adapted to selectively control a flow of gas through a plurality of ports disposed in the wall, and an impeller. Additionally, a variable inlet device may be position in the intake passage, upstream of the impeller, the variable inlet device including a plurality of adjacently arranged blades forming a ring, each of the blades being pivotable, about an axis arranged tangent to the ring, between the open and closed position. 1. A compressor , comprising:a casing forming a recirculation passage surrounding an intake passage;an active casing treatment surrounding a wall separating the intake passage and the recirculation passage and adapted to selectively control a flow of gas through a plurality of ports disposed in the wall;an impeller; andan adjustable device positioned in the intake passage, upstream of the impeller, and including a plurality of pivotable and adjacently arranged blades forming a ring.2. The compressor of claim 1 , wherein the plurality of ports include a bleed port claim 1 , an injection port claim 1 , and a recirculation port claim 1 , where both the bleed port and injection port are arranged downstream of a leading edge of a blade of the impeller and the injection port is arranged downstream from the bleed port claim 1 , and where the recirculation port is arranged upstream of the adjustable device.3. The compressor of claim 1 , wherein the impeller is rotatable about a central axis of the compressor and wherein inner surfaces of the blades of the adjustable device form a flow passage through the adjustable device that is aligned along the central axis claim 1 , each of the blades being pivotable claim 1 , about an axis arranged tangent to the ring ...

INLET GUIDE VANE AND CENTRIFUGAL COMPRESSOR

Provided are an inlet guide vane and a centrifugal compressor such that air can be caused to efficiently flow in with use of a simple shape. The inlet guide vane is disposed upstream of an impeller in a flow path of a centrifugal compressor. The inlet guide vane has: a plate-shaped plate section that is disposed in the flow path; and a rotation part that causes the plate section to rotate along an axis of rotation aligned with the radial direction of a rotary shaft of the centrifugal compressor. In a cross-section orthogonal to the axis of rotation of the rotation part, the plate section has, at the leading edge thereof on the upstream side of the flow path, a bent part that is tilted with respect to the other portions. 1. An inlet guide vane which is disposed on an upstream side of an impeller in a flow path of a centrifugal compressor , the vane comprising:a plate-shaped plate portion which is disposed in the flow path; anda rotation portion which rotates the plate portion with an axis in a radial direction of a rotary shaft of the centrifugal compressor as a rotation axis,wherein the plate portion includes a bent portion inclined with respect to other portions at a leading edge on an upstream side of the flow path in a cross-section orthogonal to the rotation axis of the rotation portion.2. The inlet guide vane according to claim 1 ,wherein a center line of the bent portion is a curved line in the cross-section orthogonal to the rotation axis of the rotation portion.3. The inlet guide vane according to claim 1 ,wherein a center line of the bent portion is a straight line in the cross-section orthogonal to the rotation axis of the rotation portion.4. The inlet guide vane according to claim 1 ,wherein a boundary position between the bent portion and other portions with respect to the entire length L in a longitudinal direction of the plate portion in the cross-section orthogonal to the rotation axis of the rotation portion is constant.5. The inlet guide vane ...

COOLANT CIRCULATION PUMP HAVING THERMAL CONTROL OF SUB-CIRCUITS

The pump provides temperature-based flowrate-modulation of the main-flow of coolant through the engine and radiator, coupled with temperature-based open/close control of sub-flows of coolant through plural sub-circuits. Modulation is done by orientatable swirl-vanes. Open/close control is done by a movable sleeve rotating inside a stator-sleeve, which opens/closes apertures and windows in the sleeves. 1. A coolant pumping apparatus , wherein:the apparatus is structured for pumping liquid coolant through a coolant circulation system;the apparatus includes a fixed housing, a rotary impeller having blades, and a rotary impeller-driver for rotating the impeller;the apparatus includes a pump-outlet conduit, for gathering coolant emerging from the impeller, and for conveying same out of the apparatus and through the system;the apparatus includes an operable flow-swirl-modulator;the apparatus includes a modulator-entry chamber and a modulator-impeller chamber;the modulator-entry chamber is structured to receive coolant circulating in a main-circuit of the system, and to convey same to the flow-swirl-modulator;the modulator-impeller chamber is structured to receive a main-impeller-flow of coolant emerging from the modulator and to convey same into the blades of the impeller;the apparatus is so structured that the flow-swirl-modulator imparts a rotary-swirl motion, being an angular-velocity vector-component, to the main-impeller-flow of coolant in the modulator-impeller chamber;the flow-swirl-modulator has the capability, upon being operated in a modulator-orientation mode of movement, to change the magnitude and the rotational sense of the angular-velocity vector-component;the apparatus includes respective sub-entry-chambers for receiving coolant flow circulating in plural sub-circuits of the system, being sub-entry-chamber-A in respect of sub-circuit-A, sub-entry-chamber-B in respect of sub-circuit-B, and so on;the apparatus includes a subs-impeller-chamber, which is ...

VARIABLE DIFFUSER VANE

A vane for a variable diffuser includes a body with an inlet end and an outlet end, a leading surface extending from the inlet end to the outlet end, a trailing surface opposite the leading surface and extending from the inlet end to the outlet end, a first surface extending from the inlet end to the outlet end, and a second surface opposite the first surface and extending from the inlet end to the outlet end. The vane further includes a first cavity on the first surface of the vane adjacent the inlet end, a second cavity on the first surface of the vane adjacent the outlet end, a third cavity on the second surface of the vane adjacent the inlet end, and a fourth cavity on the second surface of the vane adjacent the outlet end. 1. A vane for a variable diffuser , the vane comprising:a body with an inlet end and an outlet end, a leading surface extending from the inlet end to the outlet end, a trailing surface opposite the leading surface and extending from the inlet end to the outlet end, a first surface extending from the inlet end to the outlet end, and a second surface opposite the first surface and extending from the inlet end to the outlet end;a first cavity on the first surface of the vane adjacent the inlet end;a second cavity on the first surface of the vane adjacent the outlet end;a third cavity on the second surface of the vane adjacent the inlet end; anda fourth cavity on the second surface of the vane adjacent the outlet end.2. The vane of claim 1 , and further comprising:a first notch in the first surface extending from the leading surface to the first cavity;a second notch in the first surface extending from the leading surface to the second cavity;a third notch in the second surface extending from the trailing surface to the third cavity; anda fourth notch in the second surface extending from the trailing surface to the fourth cavity.3. The vane of claim 2 , wherein:a ratio of a distance from the first surface to the second surface of the vane and a ...

Centrifugal compressor

A centrifugal compressor includes: a housing including an intake flow path; a compressor impeller disposed in the intake flow path; a circulation flow path provided radially outside the intake flow path and connected to the intake flow path at a downstream position that radially faces the compressor impeller and at an upstream position that is upstream of the downstream position with respect to the compressor impeller; and a movable member disposed at the upstream position and including a body portion having a protruding portion, the movable member being movable between a protruding position where the circulation flow path is closed by the body portion and the protruding portion is located in the intake flow path, and a retracted position where the protruding portion is retracted from the intake flow path and the circulation flow path is connected to the intake flow path.

Centrifugal compressor and turbocharger

A centrifugal compressor includes: a compressor housing in which an intake passage is formed; a compressor impeller provided in the intake passage; an actuator that causes a rod to linearly move in a direction intersecting with a rotation axis direction of the compressor impeller; a connection member connected to the rod; a throttle member including a protruding portion; a connection shaft extending in the rotation axis direction and connecting the connection member and the throttle member; and a rotation shaft extending in a direction parallel to the connection shaft and serving as a rotation center of the throttle member.

Centrifugal pump for conveying a fluid

A centrifugal pump for conveying a fluid includes a housing having an inlet and an outlet for the fluid. An impeller is arranged in the housing for rotation in an axial direction to convey the fluid from the inlet to the outlet, a shaft extends in the axial direction for driving the impeller, and a stationary guide device for guiding the fluid from the impeller to the outlet is connected to the housing. A resilient compensating element is disposed between the housing and the guide device, is arranged around the shaft, and holds the guide device in a centered position to the impeller during a radial relative movement to the housing.

COMPRESSOR HOUSING WITH VARIABLE DIAMETER DIFFUSER

A turbocharger includes a compressor section (). The compressor section () includes a compressor wheel (), and a housing () that surrounds the compressor wheel (). The housing () defines an air inlet () that is aligned with the rotational axis (R), an air outlet () in fluid communication with the air inlet (), a volute () that provides a portion of a fluid path between the air inlet () and the air outlet (). A variable diameter diffuser () extends radially between the compressor wheel () and the volute (), and is defined between an adjustable diffuser wall assembly () and a facing surface () of the compressor housing (). 13. A compressor () comprising{'b': '5', 'a compressor wheel (); and'}{'b': 12', '5, 'claim-text': [{'b': 16', '5, 'an air inlet () that is aligned with a rotational axis (R) of the compressor wheel (),'}, {'b': 18', '16, 'an air outlet () in fluid communication with the air inlet (), and'}, {'b': 14', '16', '18, 'a volute () that provides a portion of a fluid path between the air inlet () and the air outlet (),'}], 'a housing () that surrounds the compressor wheel () and defines'}{'b': 7', '5', '14', '30', '17', '12, 'wherein a variable diameter diffuser () extends radially between the compressor wheel () and the volute (), and is defined between an adjustable diffuser wall assembly () and a facing surface (a) of the housing ().'}233077. The compressor () of claim 1 , wherein the diffuser wall assembly () is configured to be adjustable between a first position in which the diffuser () has a first diameter claim 1 , and a second position in which the diffuser () has a second diameter claim 1 , and the second diameter is different than the first diameter.333040530403040. The compressor () of wherein the diffuser wall assembly () includes plates () arranged about a circumference of the compressor wheel () claim 2 , wherein when diffuser wall assembly () is in the first position claim 2 , the plates () are located at a first radial distance from the ...

MOTORIZED FAN UNIT FOR A MOTOR VEHICLE

The invention relates to a motorized fan unit for a motor vehicle, comprising a motor (), a fan () for moving an air flow (F) that is configured to be controlled by the motor (), and a control module () for controlling said motor (), the control module () comprising an electronic card, the motorized fan unit delimiting a main air-flow circulation duct () and a cooling duct () configured to cool said electronic card of the control module, the duct () comprising an inlet () provided with a deflector () for diverting a portion of the air flow into the duct (), the deflector () being mounted movably according to an air flow rate in the main duct for the purpose of increasing an air flow rate in the cooling duct () with the speed of the air flow in the main duct ().

BLADE ADJUSTMENT MECHANISM AND AIR CIRCULATOR

Disclosed is a blade adjustment mechanism and an air circulator. The air circulator includes a housing defining an air outlet. The blade adjustment mechanism includes: a fixing bracket fixedly connected with the housing and defining a sliding space; at least two adjustment members, a part of each of the at least two adjustment members is accommodated in the sliding space and slidably connected with the fixing bracket, each of the at least two adjustment members defining a first adjustment slot at an end adjacent to the air outlet; at least two first wind deflectors, a part of one of the at least two first wind deflectors being configured to extend into the air outlet and being rotationally connected with the fixing bracket, a part of one of the at least two first wind deflectors facing away from the air outlet being movably accommodated in the first adjustment slot. 1. A blade adjustment mechanism , applied to an air circulator comprising a housing defining an air outlet , wherein the blade adjustment mechanism comprises:a fixing bracket, fixedly connected with the housing and defining a sliding space;at least two adjustment members, a part of each of the at least two adjustment members being accommodated in the sliding space and being slidably connected with the fixing bracket, each of the at least two adjustment members defining a first adjustment slot at an end adjacent to the air outlet; andat least two first wind deflectors, a part of one of the at least two first wind deflectors being configured to extend into the air outlet and being rotationally connected with the fixing bracket, a part of one of the at least two first wind deflectors facing away from the air outlet being movably accommodated in the first adjustment slot;wherein the at least two adjustment members are configured to be driven to move away from or move closer to each other, and the first adjustment slot is configured to drive one of the at least two first wind deflectors to rotate to make the ...

Centrifugal compressor and turbocharger

A centrifugal compressor includes: an impeller; an inlet pipe portion forming an intake passage to introduce air to the impeller; and a throttle mechanism capable of reducing a flow passage area of the intake passage upstream of the impeller. The throttle mechanism includes an annular portion configured to move between a first position and a second position upstream of the first position in an axial direction of the impeller, and a strut supporting the annular portion. The strut extends toward at least one of an outer side in a radial direction of the impeller or a downstream side in the axial direction of the impeller with an increase in distance from the annular portion.

CENTRIFUGAL BLOWER AND VACUUM CLEANER

A centrifugal blower includes a motor including a stator and a motor cover, a centrifugal impeller rotating together with a rotating portion of the motor, and a blower casing. The stator includes a stator core including a toric core back. The motor cover includes an upper surface, and a cylindrical outer peripheral surface extending downwards. The blower casing disposed above the impeller includes an upper side casing top plate portion in which an intake port is disposed at the middle, and a cylindrical wall portion extending downwards from the upper side casing top plate portion. An inner peripheral surface of the wall portion and the outer peripheral surface of the motor cover forms a flow path continuous in the axial direction. A discharge port is formed in a lower end portion of the flow path. The core back includes an exposed portion exposed to the flow path. 1. A centrifugal blower comprising:a stationary portion that includes a stator and a motor cover that holds the stator;a motor that includes a rotating portion that rotates about a vertically extending central axis;a centrifugal impeller that is disposed above the motor and that rotates together with the rotating portion; anda blower casing that houses therein the motor and the impeller,wherein the stator includes a stator core that includes a toric core back and a plurality of teeth that extend inwards in a radial direction,wherein a coil is formed of a conductive wire wound around the teeth,wherein the motor cover includes an upper surface above the stator, the upper surface widening perpendicularly with respect to the central axis, and a cylindrical outer peripheral surface that extends downwards from an outer edge of the upper surface,wherein the blower casing includes an intake port, an upper side casing top plate portion disposed above the impeller, the intake port being disposed at a middle of the upper side casing top plate portion, and a cylindrical wall portion that extend downwards from the ...

HIGH PRESSURE RATIO MULTI-STAGE CENTRIFUGAL COMPRESSOR

A heat pump system includes a refrigerant circuit. First and second heat exchangers are arranged in the refrigerant circuit. A flow reversing device selectively changes a direction of flow in the refrigerant circuit between the first and second heat exchangers. A centrifugal compressor is arranged in the fluid circuit and has first and second impellers arranged in series relative to one another to provide a desired compressor pressure ratio. In one example, the centrifugal compressor mounts the first and second impellers on opposing ends of a shaft. The first and second impellers respectively include first and second stage inlets and outlets. One example desired compressor pressure ratio of at least 10:1 corresponds to a second stage outlet pressure to a first stage inlet pressure. A first diffuser is arranged at the first stage outlet, and the first diffuser is a variable geometry diffuser. 1. A heat pump system comprising:a refrigerant circuit;first and second heat exchangers arranged in the refrigerant circuit;a flow reversing device selectively changing a direction of flow in the refrigerant circuit between the first and second heat exchangers; anda centrifugal compressor arranged in the fluid circuit and having first and second impellers arranged in series relative to one another and providing a desired compressor pressure ratio.2. The heat pump system according to claim 1 , wherein the first and second impellers respectively include first and second stage inlets and outlets claim 1 , and the desired compressor pressure ratio corresponds to a second stage outlet pressure to a first stage inlet pressure.3. The heat pump system according to claim 2 , wherein the desired compressor pressure ratio is about 10:1.4. The heat pump system according to claim 2 , wherein the compressor includes first and second diffusers respectively arranged at the first and second stage outlets.5. The heat pump system according to claim 4 , wherein the first and second diffusers are ...

CHARGED PARTICLE EMISSION DEVICE AND AIR-BLOWING DEVICE

A charged particle emission and air-blowing device includes a communication port biased toward an end portion in a predetermined direction with respect to an air outlet, and a width expander configured to widen a flow path between an air directing plate of the end portion and a second blowing duct wider than a periphery. Emitted light from a light guide plate is reflected by the air directing plate in the delivery direction of an air flow. An air flow passes from a downward direction to an upward direction along a circuit board in an auxiliary suction path, and an opening portion faces the upper portion of the circuit board. 114-. (canceled)15. A charged particle emission device , comprising:a housing including a suction port and an air outlet;a blower fan in the housing;a first blowing duct on an exhaust side of the blower fan;a second blowing duct in which an air outlet is opened at one end and configured to communicate with the first blowing duct via a communication port;a charged particle generating element configured to release charged particles in the first blowing duct;a wind direction plate configured to radially guide an air flow and located opposite to the air outlet; anda width expander configured such that the communication port is biased with respect to the one end in a predetermined direction with respect to the air outlet, and configured such that the width expander widens a flow path between the second blowing duct and the air directing plate on the one end wider than a periphery.16. The charged particle emission device according to claim 15 , wherein the width expander includes a concave portion provided in an inner wall of the second blowing duct.17. The charged particle emission device according to claim 16 , wherein the flow path widens as the second blowing duct progresses toward the air outlet claim 16 , and a cross-sectional shape of an inner surface of the concave portion perpendicular or substantially perpendicular to the air outlet defines ...

Compressor With Directly Driven Variable Iris Diaphragm, And Charging Device

A compressor for a supercharging device of an internal combustion engine and a supercharging device are described. The compressor has an iris diaphragm mechanism that has a special drive. The drive includes an adjusting ring as an integral constituent part of an actuator of the drive and is formed as a rotor, which surrounds an air supply channel, of an electric motor. This results in a significantly simplified structural form of the drive.

Axi-centrifugal compressor with variable outlet guide vanes

An example compressor includes a casing having a main portion and an outer skirt collectively defining an annular plenum, an outlet guide vane coupled to the main portion, an actuator mounted outside the outer skirt, and a linkage coupled to the actuator and the outlet guide vane through the annular plenum.

VARIABLE TURBINE AND/OR COMPRESSOR GEOMETRY FOR AN EXHAUST GAS TURBOCHARGER

At least one of a variable turbine geometry and a variable compressor geometry for an exhaust gas turbocharger may include a housing including a first housing wall and a blade bearing ring having at least one guide blade rotatably mounted thereon. A control lever may be included for adjusting the at least one guide blade between a closing position and an opening position. An actuating shaft may be connected to the control lever in a rotationally fixed manner along a rotation axis. The actuating shaft may be rotatably mounted on the housing via a passage opening disposed in the first housing wall. The actuating shaft may directly support itself on the first housing wall in the passage opening. 1. At least one of a variable turbine geometry and a variable compressor geometry for an exhaust gas turbocharger , comprising:a housing including a first housing wall,a blade bearing ring including at least one guide blade rotatably mounted thereon,a control lever for adjusting the at least one guide blade between a closing position and an opening position,an actuating shaft connected to the control lever in a rotationally fixed manner along a rotation axis, the actuating shaft rotatably mounted on the housing via a passage opening disposed in the first housing wall, andwherein the actuating shaft directly supports itself on the first housing wall in the passage opening.2. The at least one of the variable turbine geometry and the variable compressor geometry according to claim 1 , further comprising a protective coating disposed on a wall section of the first housing wall delimiting the passage opening.3. The at least one of the variable turbine geometry and the variable compressor geometry according to claim 2 , wherein the protective coating contains at least one of carbon and nitrogen.4. The at least one of the variable turbine geometry and the variable compressor geometry according to claim 1 , wherein:the housing further includes a second housing wall disposed opposite ...

DEVICE FOR ADJUSTING A GAP BETWEEN THE HOUSING OF AN IMPELLER AND THE IMPELLER IN A RADIAL COMPRESSOR AND A TURBOMACHINE

A device for adjusting a gap between the housing of an impeller and the impeller in a radial compressor of a turbomachine is provided. The device comprises at least one mechanical setting device by means of which the housing of the impeller can be axially adjusted in a targeted manner for the purpose of adjusting the gap, wherein the at least one setting device can be actuated via an adjusting ring, and a transmission of a force and/or a torsional moment from the adjusting ring can be effected via at least one adjustment lever device, in particular a thread lever, or a tilting lever. 1. A device for adjusting a gap between the housing of an impeller and the impeller in a radial compressor of a turbomachine , comprising at least one mechanical setting device by means of which the housing of the impeller can be axially adjusted for the purpose of adjusting the gap , wherein the at least one setting device can be actuated via an adjusting ring , and a transmission of a force and/or a torsional moment from the adjusting ring can be effected via at least one adjustment lever device , in particular with a thread lever.2. The device according to claim 1 , comprising a plurality of mechanical setting devices that can be synchronously adjusted in a targeted manner via a common adjusting ring for the purpose of adjusting of the gap.3. The device according to claim 1 , wherein the adjusting ring is arranged concentrically around the rotational axis of the impeller on the suction side of the radial compressor claim 1 , wherein the adjusting ring is movable in the circumferential direction around the rotational axis D and/or axially relative to the housing.4. The device according to claim 1 , wherein the at least one adjustment lever device is arranged in a movable manner in a plane perpendicular to the rotational axis of the radial compressor.5. The device according to claim 1 , wherein the at least one adjustment lever device is arranged so as to be movable parallel to the ...

Damper-integrated blower having improved airtightness

The present invention relates to a damper-integrated blower having improved airtightness, which comprises a blower casing a having a suction port and a blower casing b fastened to the casing a from the opposite side; a vane stopper protrusion is formed on bottom surface of the exhaust port, and a vane contact housing part is formed above the exhaust port; damper motor screw fixing parts integrally protrude from the outer upper surface of the vane contact housing part of the blower casing a; a damper motor shaft hole is bored in a damper motor shaft hole protrusion part which is integrally formed on the outer upper side of the vane contact housing part of the blower casing a; a vane rotation shaft protrudes from the inner surface of a damper motor shaft hole protrusion part of the blower casing b facing the damper motor shaft hole protrusion part; an eccentric damper motor shaft of a damper motor is introduced into the damper motor shaft hole so as to connect with the blower casing a; a vane as a single member is connected to the damper motor shaft and the vane rotation shaft so as to open and close the exhaust port; and a gasket is coupled to the four edges of the vane providing a vane module.

GUIDE VANE RING FOR A TURBOMACHINE AND TURBOMACHINE

The present invention relates to a guide vane ring () for a turbomachine, having a plurality of rotatable guide vanes (), and having an inner ring (), wherein the inner ring () has a seal () for sealing a radial gap between the inner ring () and an opposite-lying rotor segment (), and wherein the inner ring () comprises at least two inner ring segments (). The inner ring () is produced from a material or has a material that has a heat expansion coefficient α of less than 6*10per Kelvin in a temperature range between at least 20 degrees Celsius and 90 degrees Celsius. In addition, the present invention relates to a turbomachine having at least one guide vane ring () according to the invention. 1135517575115. A guide vane ring () for a turbomachine , having a plurality of rotatable guide vanes () , and having an inner ring () , wherein the inner ring () has a seal () for sealing a radial gap between the inner ring () and an opposite-lying rotor segment () , and wherein the inner ring () comprises at least two inner ring segments () , wherein the inner ring () is produced from a material or has a material that has a heat expansion coefficient α of less than 6*10per Kelvin in a temperature range between at least 20 degrees Celsius and 90 degrees Celsius.215. The guide vane ring () according to claim 1 , wherein the material of the inner ring () has a heat conductivity λ of greater than 10 watts per meter and per Kelvin at a temperature between 20 degrees Celsius and 25 degrees Celsius.315115. The guide vane ring () according to claim 1 , wherein the inner ring () comprises at least two divided inner ring segments () on the periphery of the inner ring ().415. The guide vane ring () according to claim 1 , wherein the material of the inner ring () is a nickel-alloyed steel.515. The guide vane ring () according to claim 1 , wherein the material of the inner ring () comprises a nickel fraction of at least 25 weight percent.615. The guide vane ring () according to claim 1 , ...

CENTRIFUGAL COMPRESSOR AND TURBOCHARGER

A centrifugal compressor comprises: an impeller; an inlet pipe portion forming an intake passage to introduce air to the impeller; and a throttle mechanism capable of reducing a flow passage area of the intake passage upstream of the impeller. When PA is a throttle position where the throttle mechanism minimizes the flow passage area of the intake passage, PB is a tip position of a leading edge of a blade of the impeller, L is a distance between the throttle position PA and the tip position PB of the leading edge in an axial direction of the impeller, and D is a diameter of the impeller at the tip position PB of the leading edge, the distance L and the diameter D satisfy L/D≤0.2. 19-. (canceled)10. A centrifugal compressor , comprising:an impeller;an inlet pipe portion forming an intake passage to introduce air to the impeller; anda throttle mechanism capable of reducing a flow passage area of the intake{'b': 1', '2, 'wherein, when D is a diameter of the impeller at a tip position of a leading edge of a blade of the impeller, A is an area of a circle having the diameter D, PA is a throttle position where the throttle mechanism minimizes the flow passage area of the intake passage, and A is a minimum flow passage area of the intake passage at the throttle position PA,'}{'b': 1', '2', '2', '1, 'the area A and the area A satisfy 0.55 Подробнее

CENTRIFUGAL COMPRESSOR

Provided is a centrifugal compressor, including: an impeller including blades; a main flow passage including a narrowing portion, which is formed on a front side of the impeller and has a diameter smaller than a diameter of each of the blades; an auxiliary flow passage, which has one end communicating to the main flow passage on the impeller side with respect to the narrowing portion and another end communicating to the main flow passage on a side away from the impeller with respect to the narrowing portion; and a movable portion which is movable between a first position and a second position, the second position being different from the first position in position in a rotation axis direction and a rotation direction of the impeller and in opening degree of the auxiliary flow passage. 1. A centrifugal compressor , comprising:an impeller including blades;a main flow passage including a narrowing portion, which is formed on a front side of the impeller and has a diameter smaller than a diameter of each of the blades;an auxiliary flow passage, which has one end communicating to the main flow passage on the impeller side with respect to the narrowing portion and another end communicating to the main flow passage on a side away from the impeller with respect to the narrowing portion; anda movable portion which is movable between a first position and a second position, the second position being different from the first position in position in a rotation axis direction and a rotation direction of the impeller and in opening degree of the auxiliary flow passage.2. The centrifugal compressor according to claim 1 , wherein the movable portion is provided in the auxiliary flow passage.3. A centrifugal compressor claim 1 , comprising:an impeller including blades;a main flow passage including a narrowing portion, which is formed on a front side of the impeller and has a diameter smaller than a diameter of each of the blades;an auxiliary flow passage, which has one end ...

Centrifugal compressor

A centrifugal compressor includes: an impeller; a main flow passage which receives the impeller and extends in a rotation axis direction of the impeller; an auxiliary flow passage which includes an upstream communication portion communicating to the main flow passage and a downstream communication portion communicating to the main flow passage at closer to the impeller than the upstream communication portion, and extends in a rotation direction of the impeller; a plurality of opening/closing portions which each have an opening portion and are arranged in the auxiliary flow passage; and a drive unit configured to move at least one of the plurality of opening/closing portions in the rotation direction.

INLET GUIDE VANE DEVICE

An inlet guide van device having a central axis comprises a first base, a guide sleeve, a blade, a second base, a transmission disk, and an actuator. The first base has at least one first support groove and at least one guide groove. The first support groove extends along a radial direction of the central axis, and the at least one guide groove is located in the first support groove. The guide sleeve is disposed on the first support groove in a manner that the guide sleeve is capable of moving along the radial direction. The guide sleeve has a sliding sleeve, an upper guide post and a lower guide post, the sliding sleeve has a through hole extending along the radial direction. The upper guide post and the lower guide post pass through the sliding groove, and the lower guide post is movably disposed on the guide groove. 1. An inlet guide van device having a central axis and comprising:a first base having at least one first support groove and at least one guide groove, the at least one first support groove extending along a radial direction of the central axis, and the at least one guide groove being located in the first support groove;a guide sleeve disposed on the first support groove in a manner that the guide sleeve is capable of moving along the radial direction, wherein the guide sleeve has a sliding sleeve, an upper guide post and a lower guide post, the sliding sleeve has a through hole extending along the radial direction, the upper guide post and the lower guide post pass through the sliding groove, and the lower guide post is movably disposed on the guide groove;a blade, wherein one end of the blade is connected to a shaft, the outer surface of the shaft has two spiral grooves, the blade is rotatably disposed through the through hole of the guide sleeve, the two spiral grooves match the upper guide post and the lower guide post respectively, and the blade extends from the shaft to the central axis;a second base disposed on the first base and having an ...

Variable turbine geometry turbocharger vane pack retainer

A variable turbine geometry turbine turbocharger ( 1 ) includes a vane pack ( 50 ) disposed in the exhaust gas path upstream of the turbine wheel ( 12 ). The vane pack ( 50 ) includes vanes ( 30 ) that are rotatably supported between a pair of vane rings ( 34 ) and configured to adjustably control the flow of exhaust gas to the turbine wheel ( 12 ). In addition, a retainer ( 60, 160 ) secures the vane pack ( 50 ) to the bearing housing ( 16 ) in such a way that the vane pack ( 50 ) is mechanically decoupled from the turbine housing ( 4 ).

LINKAGE TO ACTUATE INLET GUIDE VANES

An actuation linkage assembly may include a first lever arm connected to one end of a shaft, a second lever arm connected at one end to another end of the shaft, a transition linkage connected to the other end of the second lever arm, and a bracket connected to the transition linkage. The transition linkage is configured to connect the bracket on a driver ring and to the shaft to transfer rotational motion about the axis of the shaft, from a linear motion received by an actuator, to a linear motion through the bracket causing rotational motion of the driver ring. The actuation linkage assembly is configured with high mechanical advantage. The actuation linkage assembly can be part of a movable inter-stage vane guide assembly in a compressor such as for example a centrifugal compressor, which may be part of a chiller such as in a HVAC system. 1. An actuation linkage assembly , comprising:a shaft including a first end and a second end opposite the first end;a first lever arm including a first end and a second end, the first end of the first lever arm is connected to the first end of the shaft, the second end of the first lever arm is configured to receive a linear actuating motion so as to rotate the first lever arm, thereby rotating the shaft;a second lever arm including a first end and a second end, the first end of the second lever arm is connected to the second end of the shaft, the first end of the second lever arm is configured to receive a rotating motion of the shaft so as to rotate the second lever arm;a transition linkage including a first end and a second end, the first end of transition linkage is connected to the second end of the second lever arm, the first end of the transition linkage is configured to receive the rotating motion of the second lever arm, the second end is configured to transmit a linear motion through the transition linkage; anda bracket connected to the second end of the transition linkage, and configured to receive the linear motion ...

SYSTEMS AND METHODS FOR REDIRECTION OF AIRFLOW IN AN INFORMATION HANDLING SYSTEM AFTER AN AIR MOVER FAULT

A vane assembly may be configured to mechanically couple to a first air mover and a second air mover, and the vane assembly may include a first set of one or more vanes configured to be proximate to the first air mover when the vane assembly is mechanically coupled to the first air mover and the second air mover and a second set of one or more vanes configured to be proximate to the second air mover when the vane assembly is mechanically coupled to the first air mover and the second air mover. The first set of one or more vanes and the second set of one or more vanes may be configured to be arranged relative to the first air mover and the second air mover such that when the first air mover and the second air mover are operational, the first set of one or more vanes and the second set of one or more vanes each assume a respective first position allowing air to flow from the first air mover and the second air mover and when the first air mover is failed and the second air mover is operational the first set of one or more vanes assumes a second position to prevent recirculation of air through the first air mover and at least one of the second set of one or more vanes assumes a third position to redirect air flow of the second air mover to compensate for failure of the first air mover. 1. A system comprising:a first air mover;a second air mover; and a first set of one or more vanes proximate to the first air mover; and', 'a second set of one or more vanes proximate to the second air mover;', when the first air mover and the second air mover are operational, the first set of one or more vanes and the second set of one or more vanes each assume a respective first position allowing air to flow from the first air mover and the second air mover; and', the first set of one or more vanes assumes a second position to prevent recirculation of air through the first air mover; and', 'at least one of the second set of one or more vanes assumes a third position to redirect air flow ...

PUMP FOR IMMERSION WITHIN A FLUID RESERVOIR

A pump is provided for immersion in a fluid reservoir, such as a pit or lagoon containing liquid manure, from a position at an edge of the reservoir. The pump may be adapted for connection to a farm vehicle, such as a tractor, positioned at the edge of the reservoir. The pump comprises an extensible body, fluid conduit and drive means in order that a length of the pump may be varied in order to accommodate a variety of reservoir fluid heights. In addition, the pump may be pivotable relative to at least a portion of a frame in order that the entrance angle may be adjusted. The pump may comprise a housing with an inlet and an outlet, the outlet in fluid communication with the fluid conduit. An impeller within the housing may direct fluid from the inlet to the outlet in the housing. 1. A liquid manure pump for immersion in a liquid manure reservoir comprising:a frame;a pump body connected to the frame;a fluid conduit mounted on the pump body;a housing located at a bottom end of the pump body, the housing comprising a fluid inlet and at least two tangential fluid outlets;a combiner for creating a fluid connection between the at least two fluid outlets and the fluid conduit;a drive shaft mounted on the pump body;an impeller connected to the drive shaft and located within the housing, the drive shaft providing motive power to the impeller to direct the liquid from the inlet to the at least two fluid outlets; and,a rotatable agitator nozzle, in fluid communication with at least one fluid outlet, for directing a portion of the liquid manure outwardly from the pump, the agitator nozzle comprising a valve for controlling liquid manure flow rate through the nozzle, the valve rotatable with the agitator nozzle.2. The pump of claim 1 , wherein the combiner comprises gradual bends to reduce likelihood of pressure loss of the liquid manure.3. The pump of claim 1 , wherein the combiner is located near a top of the pump.4. The pump of claim 2 , wherein the combiner is located near a ...

ASSEMBLY BLOWER AND ASSOCIATED METHOD

A blower assembly for advancing the flow of air in an air flow device at a selected one of a plurality of air flow rates is provided. The blower assembly includes a blower housing defining a body thereof and a wall of the blower housing moveably secured to the body, a blower wheel rotatably mounted to the blower housing and a motor for rotating the blower wheel at a selected one of a plurality of rotational speeds. The blower assembly further includes a motion device secured to the body and to the wall. The motion device moves the wall relative to the body to a selected one of a plurality of distinct wall positions. The motor rotates the blower wheel at a selected one of a plurality of rotational speeds. A controller calculates optimum wall position and rotational speed to provide for minimal energy usage rate. 1. A blower assembly for advancing the flow of air in an air flow device at a selected one of a plurality of air flow rates , said assembly comprising:a blower housing defining a body thereof;a wall of said blower housing moveably secured to said body;a motion device secured to said body and to said wall, said motion device moving said wall relative to said body to a selected one of a plurality of distinct wall positions;blower wheel rotatably mounted to said blower housing;a motor for rotating the blower wheel at a selected one of a plurality of rotational speeds, each of combination of the selected one of the plurality of selectable rotational speeds and the selected one of the plurality of distinct wall positions defining an energy usage rate for the motor, each combination of said one of said plurality of distinct wall positions and said one of said plurality of selectable rotational speeds defining an air flow output of the blower; anda controller connected to said motor and to said motion device, said controller including a signaling device for transmitting an air flow signal to said controller to command the blower assembly to operate at the selected ...

CENTRIFUGAL COMPRESSOR

A centrifugal compressor includes a driving shaft () which is rotationally driven, a driving gear () which is connected to the driving shaft (), a driven gear () to which rotation of the driving gear () is transmitted, a driven shaft () which extends toward both end sides in a center axis direction of the driven gear (), a first compression portion () which is provided on a first end portion side in the center axis direction of the driven shaft (), a second compression portion () which is provided on a second end portion side in the center axis direction of the driven shaft (), and a pressure adjustment portion () which uniformly adjusts a pressure of a space of a discharge side of a fluid in the first compression portion () and a pressure of a space of a discharge side of a fluid in the second compression portion (). 1. A centrifugal compressor , comprising:a driving shaft which is rotationally driven;a driving gear which is connected to the driving shaft;a driven gear to which rotation of the driving gear is transmitted;a driven shaft which extends toward both end sides in a center axis direction of the driven gear;a first compression portion which is provided on a first end portion side in the center axis direction of the driven shaft, and compresses a fluid by rotation of the driven shaft;a second compression portion which is provided on a second end portion side in the center axis direction of the driven shaft, and compresses a fluid by rotation of the driven shaft; anda pressure adjustment portion which uniformly adjusts a pressure of a space of a discharge side of the fluid in the first compression portion and a pressure of a space of a discharge side of the fluid in the second compression portion.2. The centrifugal compressor according to claim 1 , further comprising:a heat exchanger which performs heat-exchange between the fluid discharged from the first compression portion and the fluid discharged from the second compression portion;a first connection line ...

Stand-On Blower

A stand-on blower is provided that allows for fully powered nozzle angle adjustment. The blower may deliver an airflow for pneumatic cleanup tasks in different directions, including horizontal or left-right and vertical or up-down direction variability of the airflow. Position or angle of the blower's nozzle may be automatically reversed or driven to a rotational or angle limit upon demand. 1. A stand-on blower , comprising:a chassis that includes a frame;an engine mounted to the frame;a pair of drive wheels supported by the frame and selectively receiving power from the engine for moving the stand-on blower;a riding platform mounted to the frame and upon which an operator stands during use of the stand-on blower; an impeller that selectively receives power from the engine to create an airflow for moving leaves or other debris from a lawn or other surface;', 'an impeller housing that surrounds the impeller to direct a volume of air that is accelerated by the impeller in a downstream direction through the blower system as an accelerated airflow;', 'an outlet nozzle that is movably mounted relative to the impeller housing and includes a nozzle outlet opening that faces different directions corresponding to movement of the outlet nozzle to direct the accelerated airflow in different directions out of the blower system; and', a full rotation mode that drives the outlet nozzle to a predetermined rotational limit in response to a full rotation command; and', 'a partial rotation mode that drives the outlet nozzle to a position that is spaced from the rotational limit in response to a partial rotation command., 'a nozzle positioning system that is configured to move the outlet nozzle and reposition the nozzle outlet opening to vary a flow direction of the accelerated airflow with the nozzle position system having multiple operational modes, including], 'a blower system, including2. The stand-on blower of claim 1 , wherein the full rotation command corresponds to a single ...

BLOWER FAN

The present invention relates to a blower fan, comprising two side walls, an air duct, a handle, a motor, a wind wheel and a motor control assembly; the two side walls are arranged in parallel with each other; the air duct is arranged between the two side walls in a rotatable way; the handle is mounted on the air duct; the motor and the wind wheel are both mounted in the air duct; the motor control assembly is arranged on a side wall close to the motor and is electrically connected with the motor, installation position of the motor control assembly with respect to the side wall being at an inner side of the side wall. According to the present invention, the air blowing angle is adjustable due to the rotation of the air duct, achieving a better drying effect. Additionally, the structure of the present invention is compact, attractive in appearance and durable. 1. A blower fan , characterized by comprising: two side walls which are arranged in parallel with each other; an air duct which is arranged between the two side walls in a rotatable way; a handle mounted on the air duct; a motor mounted in the air duct; a wind wheel mounted in the air duct; and a motor control assembly which is arranged on a side wall close to the motor and is electrically connected with the motor , installation position of the motor control assembly with respect to the side wall being at an inner side of the side wall.2. The blower fan according to claim 1 , characterized in that the side wall on which the motor control assembly is arranged is provided with a hollow portion claim 1 , through which the motor control assembly passes and then protrudes from an outer side of the side wall.3. The blower fan according to claim 1 , characterized in that the two side walls are each composed of a support frame and a fixing frame claim 1 , wherein the fixing frame is located above the support frame.4. The blower fan according to claim 1 , characterized in that the air duct is of a hollow volute shape ...

TURBO FREEZING MACHINE AND START-UP CONTROL METHOD THEREFOR

The present invention is provided with: a turbo compressor that compresses a refrigerant; a condenser that condenses the refrigerant compressed by the turbo compressor; an expansion valve that expands a liquid refrigerant introduced from the condenser; an evaporator that evaporates the refrigerant expanded by the expansion valve; an oil tank that stores a lubricating oil supplied to the turbo compressor; a pressure equalizing pipe that connects the oil tank and the evaporator; and a control unit that controls start-up. The control unit calculates the amount of a refrigerant eluded into the lubricating oil in the oil tank at the time of start-up, and reduces a pressure reduction speed in the oil tank by limiting the opening operation of an IGV when the refrigerant elution amount per prescribed time exceeds a prescribed value. 15-. (canceled)6. A centrifugal chiller comprising:a turbo compressor which compresses a refrigerant;a condenser which condenses the refrigerant compressed by the turbo compressor;an expansion valve which expands a liquid refrigerant introduced from the condenser;an evaporator which evaporates the refrigerant expanded by the expansion valve;an oil tank which stores a lubricant to be supplied to the turbo compressor;a pressure equalizing pipe which connects the oil tank and the evaporator to each other; anda controller which controls start-up,wherein at the time of the start-up, the controller calculates an elution amount of the refrigerant eluted from the refrigerant dissolved into the lubricant in the oil tank, and decreases a pressure reduction speed in the oil tank in a case where the refrigerant elution amount per a predetermined time period exceeds a predetermined value,wherein the oil tank includes a temperature sensor and a pressure sensor,wherein refrigerant dissolution amount information indicating a relationship between a temperature and a pressure, and a refrigerant dissolution amount with respect to the lubricant is stored in the ...

TWO PIECE SPLIT SCROLL FOR CENTRIFUGAL COMPRESSOR

A centrifugal compressor assembly is provided. The centrifugal compressor assembly includes a scroll assembly having a suction plate defining an inlet fluid passage, a suction plate housing, a diffuser plate, and a collector. The suction plate is detachably coupled to the suction plate housing, the suction plate housing is detachably coupled to the collector, and the diffuser plate is detachably coupled to the collector. The centrifugal compressor assembly further includes an impeller rotatably mounted in the scroll assembly for compressing fluid introduced through the inlet fluid passage, and a variable geometry diffuser system. 1. A centrifugal compressor assembly , comprising: a suction plate defining an inlet fluid passage;', 'a suction plate housing;', 'a diffuser plate; and', 'a collector;, 'a scroll assembly comprisingan impeller rotatably mounted in the scroll assembly to compress fluid introduced through the inlet fluid passage;a variable geometry diffuser system; andthe suction plate detachably coupled to the suction plate housing, the suction plate housing detachably coupled to the collector, and the diffuser plate detachably coupled to the collector.2. The centrifugal compressor assembly of claim 1 , wherein the suction plate comprises:a suction base plate comprising an outer suction flange,a first suction annular portion extending in a first axial direction from the suction base plate; anda second suction annular portion extending in a second axial direction from the suction base plate.3. The centrifugal compressor assembly of claim 2 , wherein the suction plate housing comprises:a housing base plate comprising an outer housing flange; anda first housing annular portion extending in the first axial direction from the housing base plate.4. The centrifugal compressor assembly of claim 3 , wherein the outer suction flange of the suction plate is coupled to the first housing annular portion of the suction plate housing using a first plurality of fasteners.5 ...

CENTRIFUGAL COMPRESSOR AND METHOD OF OPERATING THE SAME

A centrifugal compressor and a method of operating a centrifugal compressor. The centrifugal compressor includes: an impeller configured to suction a gas to be compressed; a diffuser disposed downstream of the impeller to pressurize the gas, the diffuser comprising a movable ring, a main passage in which the gas flows past the ring, and an openable branch passage; and a circulation loop comprising an inlet and an outlet, the outlet being in communication with an inlet of the impeller; the branch passage is disposed to be in communication with the main passage and the circulation loop when the ring moves into the main passage so that a portion of the gas in the main passage passes through the circulation loop and returns to the impeller so as to be suctioned, and to be closed when the ring is withdrawn from the main passage. 1. A centrifugal compressor , comprising:{'b': '12', 'an impeller () configured to suction a gas to be compressed;'}{'b': 13', '12', '13', '22', '24', '22', '26, 'a diffuser () disposed downstream of the impeller () to pressurize the gas, the diffuser () comprising a movable ring (), a main passage () in which the gas flows past the ring (), and an openable branch passage (); and'}{'b': 42', '43', '44', '44', '12, 'a circulation loop () comprising an inlet () and an outlet (), the outlet () being in communication with an inlet of the impeller ();'}{'b': 26', '24', '42', '22', '24', '24', '42', '12', '22', '24, 'wherein the branch passage () is disposed to be in communication with the main passage () and the circulation loop () when the ring () moves into the main passage () so that a portion of the gas in the main passage () passes through the circulation loop () and returns to the impeller () so as to be suctioned, and to be closed when the ring () is withdrawn from the main passage ().'}2241618165222522622525222. The centrifugal compressor according to claim 1 , wherein the main passage () is defined by partitions ( claim 1 , ) that are ...

INTERNAL HOT GAS BYPASS DEVICE COUPLED WITH INLET GUIDE VANE FOR CENTRIFUGAL COMPRESSOR

An internal hot gas bypass device coupled with inlet guide vane for centrifugal compressor includes an inlet guide vane assembly, a driving motor assembly and a gas bypass valve assembly. The inlet guide vane assembly further includes a master vane, a plurality of slave vanes, a vane-front fixing ring, a vane-rear fixing ring, a vane-driving ring, a connecting pipe and a vane-opening indicating disk. The driving motor assembly further includes a motor, a driving unit and a motor fixing base. The gas bypass valve assembly further includes a valve, an external fixing-and-guiding ring, an internal fixing-and-guiding ring, a driven element, a spring, a sealing ring, a valve stud and a valve base. The driving motor assembly is connected with the driving unit and the master vane of the inlet guide vane assembly via a connecting rod, and is further connected with the slave vanes of the gas bypass valve assembly. 1. An internal hot gas bypass device coupled with an inlet guide vane for a centrifugal compressor , comprising:an inlet guide vane assembly, including a master vane, a plurality of slave vanes, a vane-front fixing ring, a vane-rear fixing ring, a vane-driving ring, a connecting pipe and a vane-opening indicating disk;a driving motor assembly, including a motor, a driving unit and a motor fixing base; anda gas bypass valve assembly, including a valve, an external fixing-and-guiding ring, an internal fixing-and-guiding ring, a driven element, a spring, a sealing ring, a valve stud and a valve base;wherein the driving motor assembly connects the driving unit and the master vane of the inlet guide vane assembly via a connecting rod, and the driving motor assembly connects the driven element of the gas bypass valve assembly.2. The internal hot gas bypass device coupled with an inlet guide vane for a centrifugal compressor of claim 1 , wherein the driving unit is at least consisted of a driving link and a gear claim 1 , and the driven element of the gas bypass valve ...

Blower

A blower includes an introduction duct provided in an air introduction box. A filter is provided downstream of the introduction duct and upstream of an impeller. A separation cylinder is formed in a cylindrical shape and is provided in the impeller. An inner wall of an air inlet portion of the separation cylinder is provided not overlap with an inner wall of an air outlet portion of the introduction duct over the entire circumference.

ADJUSTABLE-TRIM CENTRIFUGAL COMPRESSOR, AND TURBOCHARGER HAVING SAME

A centrifugal compressor for a turbocharger includes an inlet-adjustment mechanism in an air inlet for the compressor, operable to move between an open position and a closed position in the air inlet. The inlet-adjustment mechanism includes a variable-geometry conical mechanism comprising a plurality of vanes that in the closed position collectively form a frusto-conical inlet member having a trailing edge inner diameter that is smaller than an inner diameter of the shroud surface of the compressor housing at the inducer portion of the compressor wheel such that an effective diameter of the air inlet at the inducer portion is determined by the trailing edge inner diameter of the variable-geometry conical mechanism. The vanes in the open position are pivoted radially outwardly so as to increase the trailing edge inner diameter of the inlet member and thereby increase the effective diameter of the air inlet at the inducer portion. 1. A turbocharger , comprising:a turbine housing and a turbine wheel mounted in the turbine housing and connected to a rotatable shaft for rotation therewith, the turbine housing receiving exhaust gas and supplying the exhaust gas to the turbine wheel;a centrifugal compressor assembly comprising a compressor housing and a compressor wheel mounted in the compressor housing and connected to the rotatable shaft for rotation therewith, the compressor wheel having blades and defining an inducer portion, the compressor housing defining an air inlet for leading air generally axially into the compressor wheel, the compressor housing further defining a volute for receiving compressed air discharged generally radially outwardly from the compressor wheel, the air inlet having an inner surface that extends for an axial length along a downstream direction, followed by a compressor inlet-adjustment mechanism disposed in the air inlet, followed by a shroud surface that is adjacent to outer tips of the blades of the compressor wheel;the compressor inlet- ...

CENTRIFUGAL PUMP WITH ADAPTIVE PUMP STAGES

A centrifugal pump with adaptive pump stages includes an impeller configured to provide kinetic energy to fluid flow through the pump. The impeller has multiple geometric dimensions. The pump includes a diffuser connected to the impeller that is configured to convert the kinetic energy provided by the impeller into static pressure energy to flow the fluid through the pump. The pump includes an adaptive material attached to the impeller that is configured to modify, during operation of the pump, a geometric dimension to modify fluid flow through the pump. 125-. (canceled)26. A pump comprising: a first impeller having a plurality of geometric dimensions,', 'a first diffuser fluidly connected to the first impeller, the first impeller and the first diffuser configured flow fluid through the pump, and', 'an adaptive material attached to the first impeller, the adaptive material configured to modify, during operation of the pump, a geometric dimension of the plurality of geometric dimensions to modify fluid flow through the pump; and, 'a first pump stage comprising a second impeller, and', 'a second diffuser fluidly connected to the second impeller, the second impeller and the second diffuser configured flow the fluid through the pump, wherein the second pump stage does not include adaptive materials., 'a second pump stage connected in series with the first pump stage, the second pump stage comprising27. The pump of claim 26 , wherein the plurality of geometric dimensions modified by the adaptive material during the operation of the pump comprises an impeller outer diameter and an impeller blade trailing edge angle.28. The pump of claim 27 , wherein the first impeller comprises an impeller blade having the impeller blade trailing edge angle claim 27 , wherein the adaptive material is configured to increase or decrease the impeller blade trailing edge angle during operation of the pump.29. The pump of claim 28 , wherein a leading edge or a trailing edge of the impeller ...

CENTRIFUGAL PUMP WITH ADAPTIVE PUMP STAGES

A centrifugal pump with adaptive pump stages includes an impeller configured to provide kinetic energy to fluid flow through the pump. The impeller has multiple geometric dimensions. The pump includes a diffuser connected to the impeller that is configured to convert the kinetic energy provided by the impeller into static pressure energy to flow the fluid through the pump. The pump includes an adaptive material attached to the impeller that is configured to modify, during operation of the pump, a geometric dimension to modify fluid flow through the pump. 1. (canceled)2. A pump comprising:a first impeller configured to provide kinetic energy to flow fluid through the pump, the first impeller comprising an impeller blade having a stationary portion and a movable portion made of an adaptive material configured to modify, during operation of the pump, a geometric dimension of the impeller blade to modify fluid flow through the pump; anda first diffuser fluidly connected to the first impeller, the first diffuser configured to convert the kinetic energy provided by the first impeller into static pressure energy to flow the fluid through the pump.3. The pump of claim 2 , wherein the stationary portion extends from an impeller eye of the impeller to a radius between the impeller eye and an outer diameter of the impeller claim 2 , wherein the movable portion extends from an outer edge of the stationary portion to an outer edge of the impeller.4. The pump of claim 3 , wherein an outer tip of the impeller blade extends beyond the outer edge of the impeller.5. The pump of claim 3 , wherein an outer tip of the impeller blade does not extend fully to the outer edge of the impeller.6. The pump of claim 2 , wherein claim 2 , during the operation of the pump claim 2 , the movable portion causes the impeller blade to shift from a first geometry to a second geometry.7. The pump of claim 6 , wherein the movable portion comprises an impeller blade tab that extends into an impeller blade ...

Internal air pressure imbalance (IAPI) engine

Disclosed is a thrust-producing device that can generate force in any medium (in air, in space, underwater). The device, in and of itself, does not have an external intake, or exhaust. Thrust is produced when electro-mechanical and/or thermal energy is applied to a closed, pressurized container of gas so as to produce an imbalance in the internal pressure within the container. A measure of corrosion prevention can be achieved by using N, an inert gas, or some other gas that will not chemically react with the other constituents in the container. Although this invention was principally intended as an advancement in the field of space propulsion systems, it has wide applicability across all modes of transportation; and has applications in stability and control, as well as propulsion. 16-. (canceled)7. A device capable of producing useful force , comprising: a closed container of gas; and a mechanism that acts upon the gas in such a way as to create an imbalance in the pressure distribution within the container yielding a net resultant force in a desired direction.8. The device recited in wherein the mechanism(s) for acting upon the gas within the container comprises a blower/compressor claim 7 , moving false container internal surface(s) claim 7 , or other means of agitation; or any combination thereof.9. The device recited in further wherein variable speed motors drive the blower(s)/compressor(s) and/or moving internal surfaces as a means to control engine output.10. The device for producing useful force recited in wherein variable geometry blower/compressor inlets and/or outlets provide a means of controlling the magnitude of the net usable force produced.11. The device for producing useful force recited in wherein multiple mechanisms oriented in different directions may be employed such that usable forces can be selectively produced in different directions.12. The device for producing useful force recited in wherein the orientation of the internal mechanism can be ...

COMPRESSOR INLET GUIDE VANES

A number of variations may include a method of optimizing inlet guide vane performance comprising: modifying an inlet guide vane to include at least one of a twist, a curve, a surface texture, a sealing feature, a tip leakage reduction feature, an airfoil having at least one component, or at least one channel. 1. A method of optimizing inlet guide vane performance comprising: modifying an inlet guide vane to include at least one of a twist , a curve , a surface texture , a sealing feature , a tip leakage reduction feature , an airfoil having at least one component , or at least one channel.2. The method of wherein the twist or the curve of the inlet guide vane tailors a pre-swirl level over a flow channel radius.3. The method of wherein the surface texture of the inlet guide vane reduces pressure losses.4. The method of wherein the sealing feature or the blocking feature on the inlet guide vane reduces secondary flow.5. The method of wherein the airfoil or the at least one channel improves flow through a flow channel.6. A product comprising: an inlet guide vane having at least one of a twisted blade claim 1 , a curved blade claim 1 , a surface texture claim 1 , a sealing feature claim 1 , a blocking feature claim 1 , an airfoil having at least one component claim 1 , or at least one channel.7. The product of wherein the twisted blade is twisted around at least one of an axis of rotation of the inlet guide vane or the leading edge of the inlet guide vane.8. The product of wherein the curved blade is at least one of curved around a center line of the inlet guide vane or skewed around at least one of a leading edge or a trailing edge of the inlet guide vane.9. The product of wherein the surface texture comprises an owl construction including a plurality of indentations which extend horizontally along a portion of a first and a second side of the blade from at least one of a trailing edge or a leading edge of the blade and increases in length as the blade width ...

Biased Passages For Turbomachinery

Turbomachines having one or more flow guiding features designed to increase the performance of the turbomachine (). In some examples, flow guiding features are designed and configured to bias a circumferential pressure distribution at a diffuser inlet () toward circumferential uniformity, otherwise account for such low-frequency spatial pressure variations, increase the controllability of spatial flow field variations, or modifying flow field variations, etc. In some examples, a diffuser () having a row () of vanes () that include a plurality of first vanes () and at least one second vane (A, B, A, B, ) having a different characteristic than the first vanes () are disclosed. In some examples, diffusers () having an aperiodic section () including one or more biased passages (A, A, B, A, A, ) for biasing a flow field are disclosed. And in some examples, turbomachines having flowwise elongate recesses () in one or both of a hub () and shroud () surface are disclosed. 145-. (canceled)46. A diffuser for a turbomachine , comprising:a plurality of diffuser passages located around a circumference of the diffuser for receiving a flow field having a circumferential pressure distribution;wherein the diffuser passages include at least one periodic section and at least one aperiodic section, the at least one aperiodic section including at least one biased passage that is located, configured, and dimensioned to bias the circumferential pressure distribution toward circumferential uniformity.47. A diffuser according to claim 46 , wherein the plurality of diffuser passages have a first spatial frequency claim 46 , the circumferential pressure distribution including a time averaged low frequency component that has a lower spatial frequency than the first spatial frequency claim 46 , the at least one biased passage configured to bias the low frequency component toward a circumferentially uniform pressure distribution.48. A diffuser according to claim 46 , wherein the at least one ...

METHOD FOR CONTROLLING A TRIM-ADJUSTMENT MECHANISM FOR A CENTRIFUGAL COMPRESSOR

A method for controlling an inlet-adjustment mechanism in an air inlet for a compressor so as to switch the mechanism in a binary fashion between two positions P and P for adjusting a flow area of the inlet. The method includes identifying a threshold line on a compressor map of pressure ratio versus corrected flow rate for the compressor. The threshold line is a line on which the pressure ratio and flow rate of the compressor are the same for the P and P positions of the inlet-adjustment mechanism at equal speeds. When the operating point of the compressor on the compressor map crosses the threshold line, the inlet-adjustment mechanism is switched from one of its binary positions to the other. 112. A method for controlling a compressor inlet-adjustment mechanism disposed in an air inlet of a centrifugal compressor , the inlet-adjustment mechanism being switchable between two binary positions P and P for altering a flow area of the inlet , the method comprising:{'sub': 'c', 'identifying a threshold line on a compressor map of pressure ratio PR versus corrected flow rate Wfor the compressor, the threshold line being a line on which the pressure ratio and the corrected flow rate of the compressor are the same for the two binary positions of the inlet-adjustment mechanism at equal rotational speeds;'}{'sub': 'c', 'continually detecting PR and Wof the compressor during operation as an operating point of the compressor moves around on the compressor map; and'}placing the inlet-adjustment mechanism in one of the binary positions or the other based on a comparison of a location of the operating point relative to the threshold line on the compressor map.2. The method of claim 1 , further comprising:{'b': 1', '1', '2, 'sub': c', 'P1', 'P2', 'c, 'providing a first compressor map describing performance of the compressor with the inlet-adjustment mechanism in the P position, the first compressor map being in the form of compressor pressure ratio PR versus corrected flow rate ...

Draft Inducer Blower

A draft inducer blower assembly includes a blower having a fan, a dilution air intake passage, an exhaust gas intake passage, and a discharge passage. The blower is configured to operatively connect to a heater system in a manner to facilitate flow of combustion air into a combustion chamber and to draw dilution air into the blower and to mix the dilution air with the exhaust gases and to facilitate flow of the mixed air and exhaust gases through the vent. The dilution air intake passage is positionable in at least a low flow configuration and a high flow configuration. The dilution air intake passage is more restrictive of intake of dilution air in the low flow configuration than in the high flow configuration. 1. A draft inducer blower assembly for use with a gas-fueled heater system having a combustion chamber and a vent , the blower assembly comprising:a blower, the blower having a fan, a dilution air intake passage, an exhaust gas intake passage, and a discharge passage, the dilution air intake passage being configured to be in fluid communication with dilution air, the exhaust gas intake passage being adapted to receive exhaust gasses from the combustion chamber, the discharge passage being configured to be in fluid communication with the vent;the blower being configured to operatively connect to the heater system in a manner such that the blower is configured to facilitate flow of combustion air into the combustion chamber and to draw dilution air into the blower and to mix the dilution air with the exhaust gasses and to facilitate flow of the mixed air and exhaust gases through the vent; andthe dilution air intake passage being positionable in at least a low flow configuration and a high flow configuration, the dilution air intake passage being more restrictive of intake of dilution air in the low flow configuration than in the high flow configuration.2. A blower in accordance with claim 1 , wherein the dilution air intake passage has a first effective cross ...

Flow generator

A flow generator according to an embodiment of the present invention includes an upper fan configured to suction upper air and generate a first airflow, an upper fan housing configured to accommodate the upper fan from a lower side thereof and comprising a first discharge part through which the suctioned upper air is discharged, a lower fan configured to suction lower air and generate a second airflow, a lower fan housing configured to accommodate the lower fan from an upper side thereof and comprising a second discharge part through which the suctioned lower air is discharged, an air guide disposed between the upper fan and the lower fan to guide generation of a third airflow in which the first airflow and the second airflow are mixed with each other, and a control unit configured to control a rotational speed of the lower fan or the upper fan to adjust a discharge direction of the third airflow, wherein the first discharge part is disposed to face the second discharge part with respect to the flow guide part.

Compressor inlet arrangement

This disclosure relates to an arrangement 10 for variably adjusting the cross-section of a compressor inlet. Furthermore, the disclosure relates to a charging device having such an arrangement 10. The arrangement 10 comprises a compressor housing 100 with a main body 140 and an inlet cover 120. The inlet cover 120 defines a compressor inlet 110. The arrangement 10 further comprises an adjustment mechanism 200 which is arranged in the compressor housing 100. The adjustment mechanism 200 comprises an actuation ring 210 and a plurality of orifice elements 220. Each orifice element 220 is coupled to the actuation ring 210 via a respective coupling element 230 and is rotatably supported in the compressor housing 100 via a respective shaft 240. Furthermore, the arrangement 10 comprises at least one wear reducing feature providing a wear reduced operation of the adjustment mechanism 200.

Variable vane apparatus

There is provided a variable vane apparatus including: a housing portion; a plurality of vane gear portions configured to rotate and provided on the housing portion to be spaced apart from one another; a plurality of variable vane portions connected to the plurality of vane gear portions; a drive gear portion configured to transfer power to the plurality of vane gear portions; and a connection gear portion arranged between the plurality of vane gear portions and configured to transfer power amongst the plurality of vane gear portions.

SYSTEMS AND METHODS FOR OPERATING A COMPRESSION SYSTEM

A method of operating a compression system includes determining, by a controller, at least one of an operational point distance to surge and a surge margin based upon at least one of an electrical power consumed by a compressor and an electrical current consumed by the compressor, and at least one thermodynamic state measurement associated with the compressor. 1. A method for operating a compression system , said method comprising: at least one of an electrical power consumed by a compressor and an electrical current consumed by the compressor, and', 'at least one thermodynamic state measurement associated with the compressor., 'determining, by a controller, at least one of an operational point distance to surge and a surge margin based upon2. The method of claim 1 , wherein the at least one thermodynamic state measurement includes at least one of an inlet pressure at a compressor inlet and an inlet temperature at the compressor inlet.3. The method of further comprising calculating claim 1 , by the controller claim 1 , a corrected power based upon the electrical power consumed by the compressor claim 1 , an inlet temperature of the compressor claim 1 , and an inlet pressure of the compressor.4. The method of further comprising calculating claim 1 , by the controller claim 1 , a power at a surge limit line and a power at a choke limit line based upon the at least one thermodynamic state measurement.5. The method of further comprising multiplying claim 4 , by the controller claim 4 , the power at the surge limit line by at least one of a variable guided vane modification factor and an inlet guided vane modification factor to generate a modified power at the surge limit line.6. The method of further comprising:calculating, by the controller, a corrected power based upon the electrical power consumed by the compressor, an inlet temperature of the compressor, and an inlet pressure of the compressor; andcalculating, by the controller, the operational point distance to ...

ADJUSTING MECHANISM FOR CENTRIFUGAL COMPRESSORS

An adjusting mechanism, adaptive to a main body of a centrifugal compressor, comprises a diffuser channel width adjusting assembly and a gas bypass assembly. The diffuser channel width adjusting assembly comprises a width adjusting annular plate and a first valve stem. The width adjusting annular plate is movably disposed in a diffuser channel of the main body. The first valve stem is connected to the width adjusting annular plate, and configured for driving the width adjusting annular plate to move to adjust the width of the diffuser channel. The gas bypass assembly comprises a gas bypass valve and a second valve stem. The gas bypass valve is movably disposed in a gas bypass passage of the main body. The second valve stem is connected to the gas bypass valve, and configured for driving the gas bypass valve to move to adjust the opening of the gas bypass port. 1. An adjusting mechanism adaptive to a main body of a centrifugal compressor , the adjusting mechanism comprising: a width adjusting annular plate configured for being movably disposed in a diffuser channel of the main body; and', 'a first valve stem connected to the width adjusting annular plate, the first valve stem configured for driving the width adjusting annular plate to move so as to adjust the width of the diffuser channel; and, 'a diffuser channel width adjusting assembly, comprising a gas bypass valve configured for being movably disposed in a gas bypass passage of the main body; and', 'a second valve stem connected to the gas bypass valve, the second valve stem configured for driving the gas bypass valve to move so as to adjust the opening of a gas bypass port., 'a gas bypass assembly, comprising2. The adjusting mechanism according to claim 1 , further comprising a drive shaft claim 1 , the diffuser channel width adjusting assembly further comprising a first box cam claim 1 , the first box cam disposed on the drive shaft and having a first cam groove claim 1 , a distance between a part of the first ...

Inlet-adjustment mechanism for turbocharger compressor, having sealing means preventing recirculation and/or oil migration into the mechanism

A turbocharger compressor includes an inlet-adjustment mechanism operable to move between an open position and a closed position. The mechanism includes a plurality of movable blades disposed about the compressor air inlet and located between an upstream wall surface and a downstream wall surface of an annular space within the air inlet wall. The blades move radially inward from the annular space into the air inlet when the blades are in the closed position so as to form an orifice of reduced diameter relative to a nominal diameter of the inlet. Recirculation of air upstream through the mechanism is prevented by a downstream blade seal. When EGR is employed, an upstream blade seal is included, preventing oil-laden air from migrating into the mechanism. The blade seals can be of various types, including O-ring seals or labyrinth seals.

CENTRIFUGAL COMPRESSOR

A centrifugal compressor includes: a housing including an intake flow path; a compressor impeller arranged in the intake flow path; a movable portion arranged upstream of the compressor impeller in a flow of an intake air; and a groove formed in an area other than a surface located on a downstream side in the flow of the intake air in the movable portion. 1. A centrifugal compressor comprising:a housing including an intake flow path;a compressor impeller arranged in the intake flow path;a movable portion arranged upstream of the compressor impeller in a flow of an intake air; anda groove formed in an area other than a surface located on a downstream side in the flow of the intake air in the movable portion.2. The centrifugal compressor according to claim 1 , wherein the groove is formed on a surface located on an upstream side in the flow of the intake air in the movable portion.3. The centrifugal compressor according to claim 1 , wherein the groove is formed on a radial outer surface in the movable portion.4. The centrifugal compressor according to claim 1 , wherein the groove extends in a circumferential direction of the compressor impeller.5. The centrifugal compressor according to claim 2 , wherein the groove extends in a circumferential direction of the compressor impeller.6. The centrifugal compressor according to claim 3 , wherein the groove extends in a circumferential direction of the compressor impeller. This application is a continuation application of International Application No. PCT/JP2020/048517, filed on Dec. 24, 2020, which claims priority to Japanese Patent Application No. 2020-031838 filed on Feb. 27, 2020, the entire contents of which are incorporated herein by reference.The present disclosure relates to a centrifugal compressor.A centrifugal compressor comprises a compressor housing in which an intake flow path is formed. A compressor impeller is arranged in the intake flow path. When a flow rate of air flowing into the compressor impeller ...

RETRACTABLE VANE DIFFUSER FOR COMPRESSORS

A retractable vane diffuser system () for a compressor stage () of a turbocharger with selectively retractable vanes (). The retractable vane diffuser system () includes a retractable vane () or a set of vanes () that can extend into a flow path () of a diffuser () to help control airflow and change the operating characteristics of the compressor stage (), such as improving surge margin or improving peak stage efficiency. The vanes () can retract preferably with a vane ring () into a cavity () of a wall ( or ) of the diffuser () when operation as a vaneless diffuser is desired to maximize flow, such as to slow onset of diffuser stall or surge. The retractable vane diffuser system () combines superior pressure ratio, efficiency, and lower mass air flow operating characteristics of a diffuser having vanes with higher mass airflow capacity of a vaneless diffuser. 11436. A turbocharger having a compressor impeller () and a turbine wheel connected by a rotating shaft , the improvement comprising a retractable vane diffuser system () including:{'b': 18', '30', '32', '34', '14, 'a diffuser () defined by a hub wall () and a shroud wall () forming a flow path () for air as it leaves the compressor impeller (); and'}{'b': 38', '30', '32, 'a vane () retractable into the hub wall () or the shroud wall ().'}2. The turbocharger of wherein operational stability at low mass airflows is improved by controlling airflow.338. The turbocharger of wherein the vane () is one of a plurality of vanes.44044403032. The turbocharger of further comprising a set of vanes () on a vane ring () claim 1 , the set of vanes () retractable into each of the hub wall () and the shroud wall ().538. The turbocharger of wherein the vane () is separate from adjacent vanes.638. The turbocharger of wherein the vane () can be retracted while adjacent vanes are extended.744423218443832. The turbocharger of further comprising a vane ring () in a cavity () of the shroud wall () of the diffuser () claim 1 , the ...

PUMP FOR IMMERSION WITHIN A FLUID RESERVOIR

A pump is provided for immersion in a fluid reservoir, such as a pit or lagoon containing liquid manure, from a position at an edge of the reservoir. The pump may be adapted for connection to a farm vehicle, such as a tractor, positioned at the edge of the reservoir. The pump comprises an extensible body, fluid conduit and drive means in order that a length of the pump may be varied in order to accommodate a variety of reservoir fluid heights. In addition, the pump may be pivotable relative to at least a portion of a frame in order that the entrance angle may be adjusted. The pump may comprise a housing with an inlet and an outlet, the outlet in fluid communication with the fluid conduit. An impeller within the housing may direct fluid from the inlet to the outlet in the housing. 1. A pump for immersion within a fluid reservoir comprising:a pump body comprising an elongated fluid conduit extensible along a longitudinal axis of the pump body;a drive means extensible along the longitudinal axis;a hydraulic cylinder configured to extend along the longitudinal axis to change a length of both the fluid conduit and the drive means;a housing located at a bottom end of the pump body, the housing comprising a fluid inlet and a fluid outlet, the fluid outlet in fluid communication with the fluid conduit; and,an impeller connected to the drive means and located within the housing to direct fluid from the inlet to the outlet in the housing.2. The pump according to claim 1 , wherein the fluid conduit is telescoping.3. The pump according to claim 1 , wherein the fluid conduit has telescoping connections to permit variation in the length.4. The pump according to claim 1 , wherein the drive means provides power to the impeller.5. The pump according to claim 1 , wherein the drive means comprises a telescoping drive shaft.6. The pump according to claim 1 , wherein the fluid conduit is telescoping claim 1 , the drive means comprises a telescoping drive shaft and the hydraulic cylinder ...

VAPOR CYCLE COMPRESSOR WITH VARIABLE INLET/OUTLET GEOMETRY

A vapor cycle compressor includes a controller section, a drive section in communication with the controller section, and a compression section operatively engaged with the drive section. The compression section includes: an inlet guide vane assembly, wherein the inlet guide vane assembly includes inlet vanes that are configured to adjust their angle of orientation; a first stage diffuser assembly downstream of the inlet guide vane assembly, wherein the first stage diffuser assembly includes first diffuser vanes that are configured to adjust their angle of orientation; a return channel assembly downstream of the first stage diffuser assembly, wherein the return channel assembly includes return channel vanes that are configured to adjust their angle of orientation; and a second stage diffuser assembly downstream of the return channel assembly, wherein the second stage diffuser assembly includes second diffuser vanes that are configured to adjust their angle of orientation. 1. A vapor cycle compressor , comprising:a controller section;a drive section in communication with the controller section; and an inlet guide vane assembly;', 'wherein the inlet guide vane assembly includes inlet vanes that are configured to adjust their angle of orientation;', 'a first stage diffuser assembly downstream of the inlet guide vane assembly;', 'wherein the first stage diffuser assembly includes first diffuser vanes that are configured to adjust their angle of orientation;', 'a return channel assembly downstream of the first stage diffuser assembly;', 'wherein the return channel assembly includes return channel vanes that are configured to adjust their angle of orientation', 'a second stage diffuser assembly downstream of the return channel assembly;', 'wherein the second stage diffuser assembly includes second diffuser vanes that are configured to adjust their angle of orientation., 'a compression section operatively engaged with the drive section, wherein the compression section ...

VARIABLE RETURN CHANNEL VANES TO EXTEND THE OPERATING FLOW RANGE OF A VAPOR CYCLE CENTRIFUGAL COMPRESSOR

A vapor cycle compressor includes a controller section, a drive section in communication with the controller section, and a compression section operatively engaged with the drive section. The compression section includes a first compression stage and a return channel assembly downstream of the first compression stage. The return channel vane assembly includes return channel vanes that are configured to adjust their angle of orientation. The compression section also includes a second compression stage downstream of the return channel vane assembly, wherein inlet guide vanes are absent between the return channel vane assembly and the second compression stage. 1. A vapor cycle compressor , comprising:a controller section;a drive section in communication with the controller section; and a first compression stage;', 'a return channel assembly downstream of the first stage compression section;', 'wherein the return channel vane assembly includes return channel vanes that are configured to adjust their angle of orientation; and', 'a second compression stage downstream of the return channel vane assembly;', 'wherein inlet guide vanes are absent between the return channel vane assembly and the second compression stage., 'a compression section operatively engaged with the drive section, wherein the compression section includes2. The compressor of claim 1 , further comprising a stepper motor assembly operatively engaged with the return channel assembly.3. The compressor of claim 1 , wherein the first compression stage includes a first stage impeller assembly and a first stage diffuser assembly.4. The compressor of claim 1 , wherein the second compression stage includes a second stage impeller assembly and a second stage diffuser assembly.5. The compressor of claim 1 , wherein the first compression stage includes variable vanes.6. The compressor of claim 1 , wherein the second compression stage includes variable vanes.7. The compressor of claim 1 , further comprising a stepper ...

Automatic Inflation Device

An automatic inflation device includes a valve body, a miniature motor and a centrifugal impeller. The valve body is provided with an air inlet and an inflation inlet, a check valve that is unidirectionally opened outwards the valve body is provided at the inflation inlet, a wind chamber and a wind guide path connected with the wind chamber are configured in the valve body, the miniature motor and the centrifugal impeller are installed in the wind chamber, the centrifugal impeller is actuated by the miniature motor, the wind chamber is communicated with the inflation inlet via the wind guide path, and the air inlet is communicated with a wind inlet of the wind chamber. The structure of the device is compact and reduced, which is applicable to directly install into inflation products. The device can inflate automatically and efficiently, and the structure is simplified and easy to actualize. 1. An automatic inflation device , comprising a valve body , a miniature motor and a centrifugal impeller , wherein the valve body is provided with an air inlet and an inflation inlet , a check valve that is unidirectionally opened outwards the valve body is provided at the inflation inlet , a wind chamber and a wind guide path connected with the wind chamber are configured in the valve body , the miniature motor and the centrifugal impeller are installed in the wind chamber , the centrifugal impeller is actuated by the miniature motor , the wind chamber is communicated with the inflation inlet via the wind guide path , and the air inlet is communicated with a wind inlet of the wind chamber.2. The automatic inflation device according to claim 1 , wherein the wind guide path has a first end that is connected with the wind chamber and a second end that is communicated with the inflation inlet claim 1 , and the wind guide path is tapered from the first end to the second end.3. The automatic inflation device according to claim 1 , wherein two connection portions are respectively ...

MULTI-STAGE COMPRESSOR SYSTEM, CONTROL DEVICE, MALFUNCTION DETERMINATION METHOD, AND PROGRAM

A multi-stage compressor system is a system of a multi-stage compressor in which compressors are connected in series in a plurality of stages includes a control unit. The control unit determines whether a malfunction is present in the system by comparing a suction flow rate of a first-stage compressor measured by a first sensor with a downstream flow rate from an outlet of the multi-stage compressor measured by a second sensor. 1. A system of a multi-stage compressor in which compressors are connected in series in a plurality of stages , the multi-stage compressor system comprising:a control unit configured to determine whether a malfunction is present in the system by comparing a suction flow rate of a first-stage compressor measured by a first sensor with a downstream flow rate from an outlet of the multi-stage compressor measured by a second sensor.2. The multi-stage compressor system according to claim 1 ,wherein the multi-stage compressor includes a pair of first-stage compressors and subsequent-stage compressors, wherein the subsequent-stage compressors serially connected to the first-stage compressors compress fluids compressed by the pair of first-stage compressors.3. The multi-stage compressor system according to claim 1 , wherein a measurement value of each of the first sensor and the second sensor is corrected according to at least one of a temperature of a fluid claim 1 , a pressure of the fluid claim 1 , and a molecular weight of the fluid in which the first sensor and the second sensor measure.4. The multi-stage compressor system according to claim 1 ,wherein a third sensor configured to measure an amount of drainage downstream generated from a compressed fluid from an outlet of the first-stage compressor is provided, andwherein measurement values of the first sensor and the second sensor are corrected according to the amount of drainage measured by the third sensor.5. The multi-stage compressor system according to claim 3 ,wherein a pressure of a ...

MULTI-STAGE COMPRESSION SYSTEM, CONTROL DEVICE, CONTROL METHOD, AND PROGRAM

A multi-stage compression system in which gases compressed by a pair of first-stage compressors are compressed by subsequent compressors connected to the first-stage compressors in series includes a valve control unit configured to output open/close signals for opening/closing valves for adjusting flow rates of gases flowing into the first-stage compressors provided at inlet sides of the first-stage compressors. The valve control unit outputs an open/close signal having a difference less than or equal to a predetermined value with respect to a degree of opening of the valve before malfunction determination as the open/close signal until a malfunction is eliminated after the determination of the malfunction in which one of the valves does not have a degree of opening according to the open/close signal. 1. A multi-stage compression system in which gases compressed by a pair of first-stage compressors are compressed by subsequent compressors connected to the first-stage compressors in series , the multi-stage compression system comprising:a valve control unit configured to output open/close signals for opening/closing valves for adjusting flow rates of gases flowing into the first-stage compressors provided at inlet sides of the first-stage compressors,wherein the valve control unit limits a change rate of a degree of opening of a valve indicated by the open/close signal within a predetermined range until the degree of opening of the valve reaches the degree of opening indicated by the open/close signal and outputs the open/close signal indicating the degree of opening of a valve having a difference less than or equal to a predetermined value with respect to a degree of opening of a valve before malfunction determination to both of the valves until a malfunction is eliminated after the determination of the malfunction in which one of the valves does not have a degree of opening according to the open/close signal.24-. (canceled)5. The multi-stage compression system ...

REGULATOR ASSEMBLY AND CENTRIFUGAL COMPRESSOR

A regulator assembly, comprising a vaned diffuser, a motor, a driving gear engaged with a driven gear, the driven gear having rectangle-shaped through holes thereon, the rectangle-shaped through holes disposed and extending along an axis of the driven gear, and a regulating mechanism including a regulator, a supporting member, wherein the regulator is sleeved on the supporting member, and wherein the vaned diffuser is fixed on the supporting member, and regulator sliding members fixed to the regulator through the rectangle-shaped through holes of the driven gear, whereby the motor is configured to drive the driving gear to rotate, the driving gear is configured to drive the driven gear to rotate, the driven gear is configured to push the regulator sliding members to move, and the regulator sliding members are configured to drive the regulator to rotate relative to the vaned diffuser, thus driving the regulator to move along its axis. 110-. (canceled)11. A regulator assembly , comprising:a vaned diffuser provided with internal threads;a motor rotatable forwardly and reversibly;a driving gear engaged with a driven gear;the driven gear having rectangle-shaped through holes thereon, the rectangle-shaped through holes disposed and extending along an axis of the driven gear; and a regulator provided with external threads, the external threads engageable with the internal threads of the vaned diffuser, wherein the driven gear is sleeved on the regulator;', 'a supporting member, wherein the regulator is sleeved on the supporting member, and wherein the vaned diffuser is fixed on the supporting member; and', 'regulator sliding members fixed to the regulator through the rectangle-shaped through holes of the driven gear;, 'a regulating mechanism including'}whereby the motor is configured to drive the driving gear to rotate, the driving gear is configured to drive the driven gear to rotate, the driven gear is configured to push the regulator sliding members to move, and the ...

COMPRESSOR INCLUDING FLOW CONTROL INSERT AND ELECTROMAGNETIC ACTUATOR

A centrifugal compressor is disclosed. The compressor includes an impeller, an electromagnetic actuator, and a flow control insert. The flow control insert is selectively moveable in response to the electromagnetic actuator to regulate a flow of fluid expelled by the impeller. 1. A centrifugal compressor , comprising:an impeller;an electromagnetic actuator; anda flow control insert selectively moveable in response to the electromagnetic actuator to regulate a flow of fluid expelled by the impeller.2. The centrifugal compressor as recited in claim 1 , wherein the centrifugal compressor is included in a refrigeration system.3. The centrifugal compressor as recited in claim 1 , including a control in communication with the electromagnetic actuator to selectively move the flow control insert.4. The centrifugal compressor as recited in claim 3 , wherein the electromagnetic actuator includes at least one electromagnet having a coil claim 3 , wherein a level of current flowing through the coil determines a magnetic field generated by the electromagnet claim 3 , and wherein the control is configured to control a level of electric current flowing through the coil.5. The centrifugal compressor as recited in claim 4 , wherein the electromagnetic actuator includes a first permanent magnet and a second permanent magnet claim 4 , the first permanent magnet stationary relative to the flow control insert claim 4 , the second permanent magnet moveable with the flow control insert.6. The centrifugal compressor as recited in claim 5 , wherein the first permanent magnet and the second permanent magnet provide a first force that urges the flow control insert in a first direction.7. The centrifugal compressor as recited in claim 6 , wherein the control is configured to control a level of electric current flowing through the coil to provide a second force that urges the flow control insert in a second direction opposite the first direction.8. The centrifugal compressor as recited in claim ...