Устройство радиального уплотнени роторно-поршневой машины

РАЗДЕЛИТЕЛЬНАЯ ПЛАСТИНА ЛОПАСТИ РОТОРНОГО ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ

Полезная модель относится к области роторных двигателей внутреннего сгорания, к их вращающимся или качающимся рабочим органам, а именно к лопастям, шарнирно соединенным с внутренним и внешним элементами. Техническим является повышение герметичности рабочих камер двигателя. Сущность полезной модели заключается в том, что разделительная пластина выполнена составной, состоящей из двух частей, соединенных между собой торцевыми поверхностями, перпендикулярными оси двигателя, с возможностью перемещения относительно друг друга на заданную величину b=a-А/2, где b - заданная величина перемещения двух частей разделительной пластины относительно друг друга; а - длина составной части пластины; А - ширина корпусного элемента двигателя. Предлагаемое техническое решение позволяет уменьшить утечку газов из рабочих камер двигателя, что обеспечивает повышение герметичности рабочих камер, возрастание мощностных и экономических показателей роторно-поршневого двигателя на 10…15%, а также снизить количество ...

УПЛОТНЕНИЕ

Использование: в роторных двигателях внутреннего сгорания, компрессорах, насосах, расходомерах, демпферах и т. п. Сущность изобретения: уплотнение содержит, по меньшей мере, один пружинный и один разрезной уплотнительный элемент, сжатый до определенного состояния и помещенный в посадочное место уплотняемого объекта. Уплотнение может содержать также дополнительный уплотнительный элемент вместе с разрезным, который частично контактирует с последним. Уплотнение может содержать пружинные элементы, поджимающие уплотнительные как друг к другу, так и к уплотняемым поверхностям. Уплотнение может содержать, по меньшей мере, три уплотнительных и один пружинный элементы, уплотнительные элементы взаимодействуют между собой торцовыми поверхностями, а пружинный поджимает уплотнительные как друг к другу, так и к уплотняемым поверхностям, что повышает эффективность и надежность уплотнения путем компенсации износа. 6 з. п. ф-лы, 11 ил.

СИСТЕМА УПЛОТНЕНИЙ РОТОРНО-ПОРШНЕВОГО ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ

Сущность изобретения: система уплотнений роторно-поршневого двигателя внутреннего сгорания содержит по меньшей мере два уплотняющих элемента, установленных в пазах одной из сопряженных поверхностей корпуса и ротора с возможностью контакта с другой поверхностью и выполненных в виде пластин со скругленными контактными поверхностями, имеющими различную твердость и расположеными перпендикулярно направлению относительного движения сопряженных поверхностей. Скругленная контактная поверхность одной из пластин выполнена из материала с твердостью, превышающей твердость другой сопряженной поверхности, а контактная поверхность других пластин выполнена из материала с твердостью ниже твердости другой сопряженной с ними поверхности. Причем первая поверхность может принадлежать ротору, а вторая корпусу, и наоборот. 2 з. п. ф-лы, 6 ил. 1 табл.

ДВИГАТЕЛЬ С ПЕРЕМЕННОЙ СТЕПЕНЬЮ СЖАТИЯ

... 1. Двигатель (400) для использования с нагрузкой, содержащий компрессор (428), выполненный с возможностью приема энергии и, после ее приема, периодического ограничения камеры, заполнения камеры окружающим воздухом и осуществления процесса сжатия, при котором происходит уменьшение объема камеры для создания сжатого воздуха; радиатор (414), выполненный с возможностью приема сжатого воздуха из компрессора (428) и охлаждения принятого сжатого воздуха; средство (426) сжигания, предназначенное для приема топлива и его сжигания в процессе сгорания со сжатым воздухом для создания первичных продуктов выхлопа; объемный пневматический двигатель (408), выполненный с возможностью приведения в действие первичными продуктами выхлопа для создания энергии и вторичных продуктов выхлопа; объемный расширитель (410) газа, предназначенный для приема вторичных продуктов выхлопа и их по существу адиабатического расширения для создания третичных продуктов выхлопа и энергии; и средство (314) передачи энергии, предназначенное ...

СИСТЕМА УПЛОТНЕНИЙ РОТОРНО-ПОРШНЕВОГО ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ

Система уплотнений роторно-поршневого двигателя внутреннего сгорания, содержащая расположенные в канавках каждой лопасти-поршня радиальные уплотнительные элементы, контактирующие с рабочей поверхностью корпуса, торцевые уплотнительные элементы, установленные в пазах корпуса по обеим сторонам ротора и контактирующие с его торцевыми поверхностями, и уплотнительные выступы, контактирующие с торцевыми уплотнительными элементами в корпусе и размещенные в лопасти-поршне, отличающаяся тем, что уплотнительные выступы выполнены на уплотнительных планках, связанных между собой уплотнительным элементом, установленным в канавках лопастей-поршней, причем поверхность контакта уплотнительных выступов с торцевыми уплотнениями выполнена прерывистой.

Устройство, использующее качающиес поворотные поршни

ТОРЦОВОЕ УПЛОТНЕНИЕ

Торцовое уплотнение роторно-поршневого двигателя внутреннего сгорания, содержащее уплотнительную пластину и пружину, размещенные в пазу на торцовой поверхности ротора, отличающееся тем, что, с целью повышения эффективности уплотнения, профиль паза по длине выполнен выгнутым с плавным увеличением глубины паза от краев к его середине.

УСТРОЙСТВО УПЛОТНЕНИЯ ДЛЯ СИЛОВОЙ УСТАНОВКИ РОТОРНО-ПОРШНЕВОГО ТИПА

... 1. Устройство уплотнения для силовой установки роторно-поршневого типа, содержащее неподвижный элемент, подвижный элемент, уравновешивающие полости, средство разгрузки подвижного элемента от давления рабочего тела, средство прижатия подвижного элемента к ротору-поршню, размещенное между подвижным и неподвижным элементами, причем неподвижный элемент установлен без возможности движения относительно цилиндра силовой установки и выполнен в виде гребенчатого основания с выступами и впадинами, обращенными к подвижному элементу, уравновешивающие полости находятся во впадинах гребенчатого основания, подвижный элемент установлен на гребенчатом основании с возможностью движения относительно гребенчатого основания, касается боковой поверхности ротора-поршня и прижат к ротору-поршню с помощью средства прижатия подвижного элемента к ротору поршню, отличающееся тем, что подвижный элемент выполнен в виде гребенчатой платформы с выступами и впадинами на ее поверхности, обращенными к гребенчатому основанию ...

АВТОМАТИЗИРОВАННЫЙ АГРЕГАТ ПОДГОТОВКИ БИТУМНОЙ МАСТИКИ ДЛЯ ИЗОЛЯЦИИ ГАЗОНЕФТЕПРОВОДОВ

Автоматизированный агрегат подготовки битумной мастики для изоляции газонефтепроводов, содержащий котел хранения мастики с поддержанием ее готовности и дозированной выдачи потребителю, снабженный гидравлической системой и системой питания горелок дизельным топливом, отличающийся тем, что дополнительно содержит котел для плавления битума и выдачи жидкой массы в котел готовой мастики, гидравлическую обогреваемую коммуникационную систему и автоматизированную систему управления всеми основными рабочими операциями.

УЗЕЛ УПЛОТНИТЕЛЬНЫХ ЭЛЕМЕНТОВ ДЛЯ ЛОПАСТЕЙ РОТОРНО-ЛОПАСТНОГО ДВИГАТЕЛЯ

... 1. Узел уплотнительных элементов для лопастей роторно-лопастного двигателя, содержащий размещенные в прорезях уплотнительные пластины и пружины для их поджатия, отличающийся тем, что прорези для размещения уплотнительных пластин выполнены в корпусе двигателя, поджатие уплотнительных пластин осуществляется к внешней цилиндрической поверхности лопастей, уплотнительные пластины своими концами упираются в валы роторов, причем уплотнительные пластины установлены с возможностью их смазывания.2. Узел уплотнительных элементов по п.1, отличающийся тем, что материал уплотнительных пластин имеет коэффициент линейного расширение больше, чем материал корпуса.3. Узел уплотнительных элементов по одному из пп.1 или 2, отличающийся тем, что узел для смазывания уплотнительных пластин опосредованно через смазку внешней цилиндрической поверхности лопастей содержит размещенную в дополнительной прорези корпуса двигателя подпружиненную дополнительную пластину, выполненную из пористого материала, поры которой ...

УСТРОЙСТВО РАДИАЛЬНОГО УПЛОТНЕНИЯ РОТОРНО-ПОРШНЕВОЙ МАШИНЫ

Устройство радиального уплотнения роторно-поршневой машины содержит единую уплотнительную пластину, установленную в пазу поршня с возможностью радиального перемещения, и шарнирно-рычажный механизм управления и компенсации центробежных сил. Причем механизм установлен внутри поршня и состоит из двух частей, шарнирно связанных с соответствующими концами уплотнительной пластины, и включает двуплечие рычаги, шатун и груз. Механизм дополнительно снабжен вторым грузом и ползуном с направляющими, установленными в поршне. В роторе выполнена проточка с плоскими боковыми стенками, а уплотнительная пластина - упругой с возможностью изменения формы в радиальной плоскости и сопряжения соответственно ее внешней поверхности - с поверхностью рабочего цилиндра, внутренней и боковых поверхностей - с поверхностью паза в поршне, а также боковых ее поверхностей - с боковыми стенками проточки в роторе. Двуплечий рычаг первой части шарнирно-рычажного механизма одним своим плечом жестко связан с одним из грузов ...

Роторная машина

Изобретение относится к машиностроению , в частности к пластинчатым гидромашинам . Цель изобретения - повышение производительности и износостойкости Роторная машина содержит корпус с внутренней расточкой, профиль которой представляет собой улитку Паскаля, эксцентрично установленный в корпусе ротор с диаметральным пазом и размещенной в нем разделительной пластиной. Машина также снабжена пакетами уплотнительных элементов и серповидными пружинами, которые установлены в расточках разделительной пластины 2 ил.

Радиальное уплотнение роторного двигателя

Торцовое уплотнение роторной машины

Торцевое уплотнение роторной машины

Радиальное уплотнение роторного двигателя

Сущность изобретения: в П-образной формы наружном элементе размещены подпружиненные между собой профилированные внутренние элементы. Свободные концы наружного элемента расположены в пазу ротора. Внутренние элементы выполнены полыми П-образной формы из упругого материала и ориентированы перемычками навстречу друг другу. 3 ил.

Oil seal for rotor of rotary engine - with resistance to heat from rotor housing to increase durability

Oil seal for rotor of rotary engine is seated in a U-section groove in a side face of the rotor facing the housing wall, and comprises an oil scraper ring abutting along a first sealing surface against the wall of the housing, with a first axial ridge extending towards the bottom of the groove near its inner edge, and an inner sealing ring abutting along a second sealing surface against the groove bottom, with a second axial ridge projecting towards the housing wall near its inner edge. The two ridges overlap along third sealing surface. Between the two rings is a cavity in which is disposed a spring element and which communicates with the work chambers of the engine. Pref. the sealing ring is made of polyimide resin.

VERFAHREN ZUR BILDUNG EINER CHROMKARBIDSCHICHT AUF DER OBERFLAECHE EINES EISEN-, EISENLEGIERUNGS- ODER SINTERKARBIDGEGENSTANDES

Rotationskolbenmaschine

Seal for rotating piston engine - has seals located in bevel ended grooves, with centrifugal force dependent shaft seal pressure

The seal for a rotating piston engine having a rotating fly piston (12) in a cylindrical housing, has seals (13, 14) to seal against the housing (1), and at least one internal seal (15) for a shaft (6, 7). The seals are located in grooves which are on a plane with seal ends supported via bevelled surfaces. The internal seal has a centrifugal force dependent, pressure system (20), which uses centrifugal force to press against the inner seal. ADVANTAGE - Maintains sealing force with increasing speed of rotation.

STOPFBUCHSE FUER ROTATIONSAPPARATE

VOLUMETRISCHE SCHNECKEN- UND ZAHNRAD-MASCHINE

DICHTLEISTE INSBESONDERE FUER DREHKOLBENMOTOR

Single screw expander

A single screw expander comprises a housing and a slide valve assembly 21. A flow of oil 57 is introduced into the housing on the inlet side of the expander via a channel 55, and the flow is redirected by a surface 56 of a slide valve assembly such that it is substantially in line with a gas flow 42 through the inlet side of the expander. The expander may be single screw compressor being used as an expander. The expander may further comprise a pair of toothed star rotors which engage with a main rotor mounted within a cylindrical bore. The oil introduction channel is preferably in an inlet side of at least one expansion chamber. The gas flowing through the expander may be ammonia. The main rotor may drive a shaft, which drives a machine such as an electric generator.

APPLICATION OF REFRACTORY COATINGS TO SEALING ELEMENTS

... 1459495 Coating piston rings &c by spraying RAMSEY CORP 1 Feb 1974 [6 March 1973] 04835/74 Heading C7F [Also in Division B2] A ferrous substrate, e.g. a seal or a piston ring is coated e.g. by plasma, arc or flame spraying with a refractory coating of e.g. a mixture of WC, Co, Ni, B, Cr, Al or Mo, Ni, Cr, B, Si or oxides of Ti and Al, and induction heating to diffusion bond the coating, whilst cooling the substrate by e.g. passing cooling water through the induction coils or mounting the ring on a cooled support. An intermediate coating of e.g. Ni, Ni-Cr, Al or Cu may be applied to the substrate by e.g. electro- plating or spraying.

ROTARY PISTON COMPRESSIBLE FLUID MACHINE

... 1448654 Rotary positive-displacement fluid-machines DORNIER SYSTEM GmbH 10 Feb 1975 [13 Feb 1974] 5633/75 Heading F1F In a compressible-fluid machine of the trochoidal-piston type axial sealing rings 4, 5 on the piston 1 are lubricated through bores 6, 7 in the upper region of each casing side wall 8, the spent lubricant being discharged through bores 6', 7' in the lower regions of said walls. The inner ends of the bores are swept in a generally vertical direction by the rings and may be either flared laterally or extended vertically by slots 9, Figs. 3a, 3b, 5a, Sb (not shown). Alternatively, the horizontal bores in each side wall are juxtaposed, Figs. 4a, 4b (not shown). The rings may be either circular or similar to the piston profile.

SEALING MEANS

HIGH POWER AVALANCHE DIODE AND METHODS OF MAKING THE SAME

... 1277138 Semi-conductor devices RCA CORPORATION 2 June 1970 [12 June 1969] 26489/70 Heading H1K A high power avalanche diode is manufactured by epitaxially depositing a uniformly low carrier concentration N-type layer 14 at least 6 Á thick on to a high carrier concentration N + -type substrate 12 and diffusing an acceptor dopant into the layer 14 to form a P-type layer 18 defining a PN junction 20 with the layer 16, which junction is at least 3 Á from the substrate 12. The P-type layer 18 is diffused from a layer containing a high concentration of the acceptor; e.g. B in a Si or Ge device, diffused from a deposited layer of boron silicate or boron nitride. The former material may be deposited by pyrolytic decomposition of a gas comprising trimethylborate and ethyl silicate while the latter material may be deposited by evaporation of a boron nitride source. The dopant source layer is finally removed by grinding or etching. In an alternative method a shallow preliminary highly B-doped layer ...

ROTARY POSITIVE DISPLACEMENT DEVICE

... 1419172 Rotary positive-displacement fluidmachines R W BRUNDAGE 10 July 1973 [31 July 1972] 4007/75 Divided out of 32938/73 1419171 Heading F1F The subject-matter of this Specification is identical with that described in Specification 1419171, but the claims are concerned with a machine having a rotor, a rotary abutment member co-operating with the rotor, a bearing sleeve for a shaft portion of said member, and an annular seal between said sleeve and a portion of a housing wall defining an opening into which the shaft portion extends.

ROTARY PISTON ENGINES

... 1426682 Rotary piston engines A BRULFERT and AG HOSS 11 Feb 1974 06222/74 Heading F1F A rotary piston engine of the movable abutment type which is actuated by a pressurized fluid has a stator formed by an end-plate 2h Fig. 1 having thereon a concentric collar 3h with approximately radial pairs of flanges 4a, 4b, and 5a, 5b which respectively receive a movable abutment member 16 Fig. 7 and a second end-plate (2b) Fig. 3 (not shown) which has a circular groove to receive a rim 3n on the collar 3h, this collar forming the peripheral wall of the stator. A rotor 14 is located within the stator, is beyed to a shaft 15 and has a cross-section defined by a semi-ellipse and a semicircle, the major axis of the ellipse equalling the diameter of the semi-circle. Pressurized working fluid e.g. air or steam is admitted via an inlet 9 and exhausted via an outlet 10, a scavenging outlet 11 being provided to ensure good scavenging of the working chambers defined between the rotor and stator. Seals: A series ...

SINTER SUBSTANCE FOR THE SEALING STRIPS IN ROTARY PISTON ENGINES

... 1444106 Sintering composition GOETZEWERKE FRIEDRICH GOETZE AG 14 Dec 1973 [16 Dec 1972] 58097/73 Heading C7D Sealing strips in rotary piston engines are sintered from a powder mixture of Fe and VC containing substances which are liquid at the sintering temperature. The substances may be Fe-B, Ni-Mn- B, V-Al, Cu-Mn, and/or Cu 3 P. The VC may take the form of a solid carbide solution of VC in WC, MoC, Cr 3 C 2 , TiC, ZrC. One or more of Cr, Mo, V, Ti may be present in the powder mixture, either added to the mixture or alloyed with the Fe. VC is present in the range 15-45 wt. per cent of the total, and a preferred composition is 74% Fe, 22% VC, 4% substances giving rise to liquid phases.

Scroll pump

Rotary positive-displacement fluid-machine

A volumetric machine comprises a screw rotatable inside a casing and cooperating with at least one pinion-wheel. The screw has a low pressure end adjacent a low pressure port and a high pressure end adjacent a high pressure port, the high pressure end being provided with an annular sealing device substantially preventing axial leakage towards a cavity maintained at the low pressure to reduce axial thrusts on the screw. The profile of the screw corresponds to that of the casing with a very small clearance, except in an area adjacent the sealing device where the clearance increases from the low pressure side towards the sealing device.

SEAL MEMBERS FOR ROTARY PISTON INTERNAL COMBUSTION ENGINES

... 1371582 Rotary positive-displacement machines RAMSEY CORP 6 Sept 1972 [1 Oct 1971] 41327/72 Heading F1F In a Wankel-type I.C. engine gas seals for the piston 10 comprise apex seals 40 each of which has in cross-section substantially a T-shaped profile, is furnished with ribs 41a, 41b, that slide on the inner peripheral surface of the housing (not shown) and can pivot about a longitudinal axis within a groove 20. A carrier 50a lodged in each groove 20 has a rectangular groove 56 to accommodate a cylindrical portion 70 of the respective seal, a waist portion 71 permitting the seal to pivot. Each rib may have a wear-resistant coating 43. United corner and side seal members 21, 22 are also comprised in the gas seals and are coupled to the carriers so as to prevent the latter turning in the grooves 20. The seals 40 may have flat-sided webs, or "uprights", instead of the portions 70, 71, Fig. 4 (not shown), the corner members 22 and carriers then being modified to permit the latter to turn in ...

Pump assemblies with stator joint seals

MACHINE PARTS OF CAST IRON WITH LEDEBURITIC FRICTION SURFACES AND METHODS OF PRODUCING THEM

Radial waterproofing system for rotating impeller machine.

System of sealing to fixed and mobile elements for rotary engine.

Improvements with the greasing of the radial segments of rotary engines.

PISTON FOR A COMBUSTION ENGINE

PISTON FOR A COMBUSTION ENGINE

PISTON FOR A COMBUSTION ENGINE

ROTATIONSKOLBENMASCHINE, INSBESONDERE KREISKOLBENMOTOR

Eine Rotationskolbenmaschine weist ein Gehäuse (10); eine durch eine erste Seitenwandung (14), eine zweite Seitenwandung (16) und eine die Seitenwandungen verbindende Umfangswandung (18) in dem Gehäuse (10) gebildete Kolbenkammer (12); einen drehbar in der Kolbenkammer (12) angeordneten Rotationskolben (28) mit einer ersten Stirnseite (29) und einer zweiten Stirnseite (30), wobei die erste Stirnseite (29) des Rotationskolbens (28) einer Innenseite (15) der ersten Seitenwandung (14) der Kolbenkammer (12) zugewandt ist und die zweite Stirnseite (30) des Rotationskolbens (28) einer Innenseite (17) der zweiten Seitenwandung (16) der Kolbenkammer (12) zugewandt ist und wobei zwischen einer Umfangsfläche (31) des Rotationskolbens (28) und der Umfangswandung (18) der Kolbenkammer (12) wenigstens zwei Arbeitsräume (34) gebildet sind, auf. Ferner sind wenigstens eine erste Seitendichtung (36, 37) an der ersten undder zweiten Stirnseite (29, 30) des Rotationskolbens (28) sowie vorzugsweise auch wenigstens ...

DICHTUNG FÜR KREISKOLBENMASCHINEN

The invention relates to a rotary piston machine having a plurality of rotary wing pistons, wherein the peripheral surfaces (26, 36) of the rotary wing pistons (20, 30) and the flank surfaces (27, 37) thereof on either side are provided with a sealing gap coating, which is made of a structured, graphite-containing, high-stability sealant/lubricant compound (DS) applied fixedly thereon, which is formed by a sealant/lubricant lattice (9) of mutually intersecting elevated sealing webs (90) comprising the sealant/lubricant compound (DS) applied onto the surfaces of the rotary wing pistons, having depressions or sinks (91) disposed between the sealing webs and extending to the uncoated surfaces of the rotary wing pistons.

DICHTUNG FÜR KREISKOLBENMASCHINEN

The invention relates to a rotary piston machine having a plurality of rotary wing pistons, wherein the peripheral surfaces (26, 36) of the rotary wing pistons (20, 30) and the flank surfaces (27, 37) thereof on either side are provided with a sealing gap coating, which is made of a structured, graphite-containing, high-stability sealant/lubricant compound (DS) applied fixedly thereon, which is formed by a sealant/lubricant lattice (9) of mutually intersecting elevated sealing webs (90) comprising the sealant/lubricant compound (DS) applied onto the surfaces of the rotary wing pistons, having depressions or sinks (91) disposed between the sealing webs and extending to the uncoated surfaces of the rotary wing pistons.

POETRY AND YOUR APPLICATION WHEN ACCOMPLISHING HYDROSTATIC RECONCILIATION OF HYDRAULIC PUMPS OR ENGINES.

ROTARY-PISTON ENGINE ROCHOIDENBAUART

Ring seal between two flat-parallel sealing surfaces

MEHRKAMMERIGE ROTATING RAG MACHINE FOR FLUIDS WITH INEVITABLY SLIDING SEALS

Sealing system for turning piston combustion engines of the Trochoidenbauweise

ROTARY ENGINE TIP SEAL

Rotary engine

COMBUSTION ENGINE

ROTOR AND SIDE SEAL ASSEMBLIES

ROTARY INTERNAL-COMBUSTION ENGINE

APEX SEAL FOR ROTARY INTERNAL COMBUSTION ENGINE

In one aspect, there is described a rotor of a Wankel engine including a plurality of apex seal members each biased by a respective spring, each spring including an axial action portion and a radial action portion, the axial action portion including at least two radially extending band sections with adjacent ones of the band sections being connected by a fold, one of the band sections contacting a radially extending surface of the apex seal member and another of the band sections contacting a radially extending element of the rotor body, and the radial action portion forming a major part of a length of the spring, contacting an axially extending surface of the apex seal member in two spaced apart locations, and contacting the rotor body between the two spaced apart locations.

COATED POLYESTER FILMS

SEALS AND METHODS AND MEANS OF SEALING FOR ROTARY ENGINES AND THE LIKE

MOTEUR A ROTOR D'UN TYPE NOUVEAU

SEAL BETWEEN THREE RELATIVELY MOVABLE BODIES, IN PARTICULAR FOR ROTARY PISTON ENGINES

ROTARY VALVE

Rotary valves and methods of using, manufacturing, and storing the same are provided herein. The rotary valve includes a rotor and a stator, biased toward one another to form a fluid tight seal. In some implementations, the rotor comprises an integrated flow channel containing a porous solid support. Frequently, the interface between rotor and stator is made fluid-tight using a gasket. Some implementations of the rotary valve include a displaceable spacer to prevent the gasket from sealing against at least one of the rotor and stator prior to operation, wherein when the spacer is displaced, the gasket seals the rotor and stator together in a fluid-tight manner.

ROTARY ENGINE WITH HOUSING HAVING SILICON CARBIDE PLATE

A rotary internal combustion engine has: a rotor; a housing circumscribing a rotor cavity, the rotor received within the rotor cavity, the housing having a peripheral wall and a side housing assembly secured to the peripheral wall, the side housing assembly having plates located at spaced apart ends of the peripheral wall, the plates defining seal running surfaces in sealing engagement with opposed end faces of the rotor, the plates made of silicon carbide.

SEAL ARRANGEMENT

Seal arrangement, including a filter element (1), which is at least partially surrounded by a filter receiving frame (2), whereby the filter element (1) has a seal element (3) at an end surface which sealingly engages the filter receiving frame (2) under elastic pretension. The filter receiving frame (2) on an end surface (4) facing the seal element (3) has a Ushaped profile which is closed in circumferential direction and open in direction of the filter element (1), whereby only the inner-web (5) of the profile is constructed as a seal seat (6) and sealing the engages the seal element (3). The filter receiving frame can be more easily and economically manufactured.

Einrichtung zur Erzielung eines Druckausgleiches an Dichtungskolben von Drehkolbenmaschinen mit mehreren Zellen.

Dichtung

DREHKOLBENMASCHINE ZUR VERWENDUNG ALS KRAFT- BZW. ARBEITSMASCHINE.

DREHKOLBENMASCHINE.

SEALING AT THE EXTENT OF A LAEUFERS OF A ROTARY-PISTON ENGINE.

INTERNAL-COMBUSTION ENGINE.

ROTARY PISTON DISPLACEMENT MACHINE.

ROTARY PISTON DISPLACEMENT MACHINE.

ROTARY PISTON DISPLACEMENT MACHINE.

EXHAUSTCLAIMANT ROTARY PISTON LOADER.

Rotary-piston engine.

Sealing.

Sealing at a rotary body.

РОТОРНЫЙ ДВИГАТЕЛЬ ВНУТРЕННЕГО СГОРАНИЯ Ю.М.ЛУЖКОВА

Роторный двигатель внутреннего сгорания Лужкова Ю.М. относится к двигателям, рабочие органы которых совершают колебательные движения вокруг закрепленной на роторе оси. Задача изобретения, с одной стороны, - повысить качество рабочих поверхностей канала диска, контактирующих с ответной поверхностью створки или с уплотнительными элементами, расположенными в этом месте на створке, за счет улучшения качества поверхностей канала диска. С другой стороны, задача изобретения - повысить уплотняющие свойства уплотнительных элементов. Обеспечение высокого качества рабочих поверхностей достигается тем, что при обработке съемного диска 14 довольно легко обеспечить высокое качество сквозной цилиндрической поверхности 28 как по точности изготовления, так и по получению наиболее оптимальной шероховатости этой поверхности. Связано это и с ее цилиндрической формой, и с доступностью этих поверхностей для любой их обработки, например для их расточки на токарных или расточных станках. Открытость этих поверхностей ...

РОТОРНО-ПОРШНЕВОЙ ДВИГАТЕЛЬ ВНУТРЕННЕГО СГОРАНИЯ В.И. РОМАНОВА

Изобретение относится к роторно-поршневым двигателям. Заявленный двигатель внутреннего сгорания содержит силовой ротор 5 с круговыми поршнями 6, соединенный с ведущим валом 7. Ротор 5 размещен в цилиндрическом корпусе 1 с окнами для газообмена 11 и 12. Корпус 1 имеет по меньшей мере два размещенных противоположно цилиндрических гнезда 3 и 4 с размещенными в них разделительными роторами 8 и 9. Привод последних и синхронизация угловых скоростей с ротором 5 осуществляется от вала 7 через синхронизирующие шестерни 13. По крайней мере в одном из разделительных роторов размещена камера сгорания 10. Изобретение способствует повышению КПД, уменьшению массы и габаритов роторно-поршневого двигателя.

РОТОРНЫЙ ДВИГАТЕЛЬ ВНУТРЕННЕГО СГОРАНИЯ Ю.М.ЛУЖКОВА

... 1. Роторный двигатель внутреннего сгорания Лужкова Ю.М., содержащий установленный в цилиндрическом корпусе ротор с диском с продольными каналами в нем, ограниченными со стороны торца диска боковой стенкой с закрепленными на ней с возможностью поворота продольными створками, разделяющими каждый канал на две полости и контактирующими своими головками с ответными цилиндрическими продольными канавками ротора, и установленные на роторе уплотнительные элементы, отличающийся тем, что в нем ротор снабжен съемными секторами, диск выполнен съемным, каналы с другого торца диска ограничены дополнительной боковой стенкой, каждый продольный канал образован сквозной цилиндрической поверхностью, выполненной в съемном диске, и продольной стенкой съемного сектора, сопряженного своей цилиндрической поверхностью с ответной сквозной цилиндрической поверхностью диска, цилиндрическая продольная канавка образована на продольной стенке съемного сектора, при этом оси вращения створок совмещены с продольными осями ...

Кольцевой гидродвигатель

... 1. Кольцевой гидродвигатель, содержащий корпус и барабан в виде маховика с окном выпуска воды, образующие между собой рабочую камеру, кулачок, закрепленный в барабане, отличающийся тем, что содержит поршень, закрепленный в башмаке и установленный в съемной части корпуса, при этом поршень выполнен выступающим из гнезда корпуса в рабочую камеру с возможностью возвратно-поступательного движения посредством кулачка за каждый оборот барабана с обеспечением рабочего хода и выпуска воды при каждом обороте в триста тридцать градусов одновременно; в стенке съемной части корпуса выполнено впускное окно с возможностью его перекрытия башмаком при возвратно-поступательном движении поршня; напротив впускного окна в стенке съемной части корпуса выполнен канал подачи воды высокого давления, связанный с рабочей камерой.

Sealing strip for a rotary piston-internal combustion engine

PUMP ROLLED VARIABLE, IN PARTICULAR VANE PUMP

Method of manufacturing a rotor for vane type engines

PALLETS INTENDED TO EQUIP A ROTARY HYDRAULIC DEVICE

PROVISION OF LISTELS Of SEALING FOR MACHINES HAS ROTATING IMPELLERS

METHOD OF FORMING CHROMIUM CARBIDE LAYERS

Coated polyester films

METHOD FOR PRODUCTION mORE NARROWLYsLOTS IN wORKPIECES AND DEVICE FOR eXECUTION THIS PROCEEDINGS

COATING RESISTANT TO WEAR FOR BANDS Of SEALING OF PISTON ENGINES ROTARY COMPRISING an ELEMENT OF TROCHOIDAL FORM OUT OF ALUMINIUM ALLOY SUREUTECTIQUE AND SILICON

APEX SEAL FOR THE PISTON OF ROTARY PISTON MACHINES

SEALING STRIP AT THE PISTON OF A ROTARY?PISTON INTERNAL COMBUSTION ENGINE

DEVICE FOR REDUCING LEAKAGE IN ROTARY ENGINES AT LOW RUNNING SPEEDS

APPLICATION OF REFRACTORY COATINGS TO SEALING ELEMENTS

DEVICE OF SEAL BETWEEN THREE MOVING PARTS the ONES COMPARED TO the OTHERS, IN PARTICULAR FOR PISTON ENGINES ROTARY

Rotary compressor having gate axially movable with respect to rotor

A rotary compressor having a housing and a rotor positioned within an internal cavity of the housing. The rotor being configured to rotate about a rotor axis of rotation eccentric to a housing longitudinal axis. A gate is also provided that is slidably mounted therewith the rotor and movable axially about and between a first position, in which a distal end of the gate is positioned at a first distance from the peripheral surface of the rotor, and a second position, in which the distal end of the gate is positioned at a second distance from the peripheral surface of the rotor. The distal end of the gate being constrained to be spaced proximate from the inner wall surface of the housing as the rotor rotates about the rotor axis of rotation.

Seal retaining sleeve for gear pump

A shaft assembly includes a shaft with a first radial shoulder and a second radial shoulder along a shaft axis. A seal retaining sleeve is defined around the shaft axis to position a shaft seal. A retainer plate at least partially between the first radial shoulder and the second radial shoulder is adjacent to the seal retaining sleeve to position and provide access to the seal retaining sleeve and shaft seal.

Scroll-Type Fluid Machine

A scroll-type fluid machine () in which in which a spiral body () and an end plate () come into sliding contact with each other between fixed and movable scrolls () with a chip seal (), which is provided to the spiral body, intervening therebetween. The spiral body of at least one of the scrolls is provided, in the corner on the end plate side thereof, with a base portion () formed of a concave arc face (), and the chip seal of the other scroll is provided, in the corner of a tip end () thereof, with a fillet () that is formed of a first convex arc face () that comes into sliding contact with the concave arc face. 1. A scroll-type fluid machine comprising a fixed scroll and a movable scroll each having an end plate and a spiral body integral with the end plate , in which the spiral body and the end plate come into sliding contact with each other between the fixed and movable scrolls with a chip seal , which is provided to the spiral body , intervening therebetween , thus demarcating a pressure chamber of working fluid , which is formed between the spiral bodies , characterized in that:the spiral body of at least one of the scrolls has a base portion formed in a corner on the end plate side in the form of a concave arc face, and the chip seal of the other scroll has a fillet formed of a first convex arc face that comes into sliding contact with the concave arc face on the corner of the tip end of the chip seal.2. The scroll-type fluid machine according to claim 1 , characterized in that the chip seal has an engaged portion that is engaged with the spiral body claim 1 , and the engaged portion is situated on a more inner side than the fillet in a width direction of the chip seal.3. The scroll-type fluid machine according to claim 1 , characterized in that:{'b': 2', '1', '1', '2, 'a relationship represented by W>W is satisfied, where the width of the spiral body is W, and the width of the chip seal is W.'}4. The scroll-type fluid machine according to claim 1 , ...

Urea solution pump structure

A urea solution pump structure may include a housing portion connected to an external connector and covering an upper portion of the pump structure, a motor portion disposed at a lower portion of the housing portion and including a rotor and a stator, a case portion receiving the motor portion therein, and a pump portion disposed at a lower portion of the case portion and fluid-isolated from the motor portion, wherein the pump portion may be formed with an inlet and an outlet for a fluid, wherein a hollow cover may be provided at a lower portion of the case portion for separating the pump portion and the motor portion, and an oil seal unit may be mounted at a lower portion of the hollow cover for sealing a rotating shaft of the rotor which penetrates through the hollow cover.

Positive Displacement Expander

Provided herein are multiple variations, applications, and variations for producing electrical power from a flowing fluid such as a gas or liquid under pressure, for example natural gas flowing through a pipeline, by means of one or more positive displacement devices that drive one or more electrical generators. The electrical generators may be immersed in the flow stream together with the positive displacement devices as disclosed, or alternately may be isolated from the flow stream, such as by magnetic coupling, in order to promote longevity and to decrease the risk of accidental discharge or explosion of the fluid in the flow stream. To further decrease such risks, the positive displacement devices may isolate the drive fluid from the environment without the use of dynamic seals. 1. A rotary positive displacement device comprising:a. an outer housing comprising an outer housing fluid inlet, outer housing fluid outlet, and wherein at least a portion of the inner surface comprises a frusta-conic surface;b. an inner housing having a frusta-spherical inner surface, a frusta-conic outer surface, an inner housing fluid inlet adjacent the outer housing fluid inlet, an inner housing fluid outlet; andc. a malleable gasket pressed between the frusta-conic inner surface of the outer housing and the frusta-conic outer surface of the inner housing to form a fluid-tight seal therebetween;2. The rotary positive displacement device as recited in wherein a slight degree of movement of the inner housing relative to the outer housing is permitted by the gasket relative to the outer housing during assembly claim 1 , and movement of the inner housing relative to the outer housing is repressed following assembly by rigid attachment of the inner housing to the outer housing.3. A rotor for a rotary positive displacement device comprising;a. a forward surface operatively configured to interoperate with an opposing rotor;b. a rearward surface longitudinally opposite the forward surface;c. ...

IDAR-ACE INVERSE DISPLACEMENT ASYMMETRIC ROTATING ALTERNATIVE CORE ENGINE

The disclosure provides engines or pumps that includes a rotatable shaft defining a central axis A, the shaft having a first end and a second end. The shaft can have an elongate first island disposed thereon. The first island can have a body with a volume generally defined between front and rear surfaces that are spaced apart. The front and rear surfaces can lie in a plane parallel to a radial axis R. The perimeters of the front and rear surfaces can define a curved perimeter surface therebetween. The engine or pump can further include a front side plate disposed adjacent to the front surface of the first island, and a rear side plate disposed adjacent to the rear surface of the first island. The engine or pump also includes a first contour assembly disposed between the front side plate and the rear side plate. 1. An engine or pump , comprising:a) a rotatable shaft defining a central axis A, the shaft having a first end and a second end, the shaft having an elongate first island disposed thereon, the first island having a body with a volume generally defined between front and rear surfaces that are spaced apart along the rotatable shaft, the front and rear surfaces lying in a plane parallel to a radial axis R, the front and rear surfaces having a rounded, non-circular shape, the perimeters of the front and rear surfaces defining a curved perimeter surface therebetween;b) a front side plate disposed adjacent to the front surface of the first island;c) a rear side plate disposed adjacent to the rear surface of the first island; andd) a first contour assembly disposed between the front side plate and the rear side plate, the first contour assembly being defined by a pair of opposed outwardly facing arcuately shaped front and rear surfaces that are connected by a concave inwardly facing surface, the concave inwardly facing surface of the contour assembly facing the curved perimeter surface of the first island, the concave inwardly facing surface and the curved perimeter ...

Electric compressor

An electric compressor includes: an electric motor; a compression mechanism driven by the electric motor; a housing accommodating the electric motor and the compression mechanism; an accommodation part provided on a sidewall of the housing and accommodating a drive circuit for driving the electric motor; a lid contacting the accommodation part and fastened to the accommodation part by a fastening portion; a sealing member sandwiched between the accommodation part and the lid so as to seal between them. The accommodation part has a wall standing from the sidewall of the housing, and a step is provided on a standing end surface of the wall orthogonal to a standing direction of the wall, at a midway position from an inside toward an outside of the accommodation part.

Seal Assembly for a Heat Engine

A seal assembly includes first and second seal elements configured to lie adjacent to one another with a lower portion of each one disposed in a groove and an upper portion of each one projecting above the groove. The groove has a length disposed transverse to the direction of relative motion of a housing and a moving member and is located in the housing. The seal elements are further configured so that a contact surface of the upper portion of each seal element abuts the moving member and configured to allow independent movement of each seal element relative to each other in a direction transverse to the groove length. The seal elements are shaped to define a lubrication channel therebetween that is configured to allow the passage of a lubricant therein so as to lubricate motion of the seal elements relative to each other and relative to the moving member. 1. A seal assembly , for use in a heat engine , between a housing of the engine and a moving member of the engine that defines , at least in part , in relation to the housing , a working volume of the engine , the assembly comprising:first seal and second seal elements configured to lie adjacent to one another with a lower portion of each one disposed in a groove and an upper portion of each one projecting above the groove, the groove having a length disposed transverse to the direction of relative motion of the housing and the moving member and located in the housing, and the seal elements further configured so that a contact surface of the upper portion of each seal element abuts the moving member, wherein:(i) the seal elements are configured in relation to the groove and each other to allow independent movement of each seal element relative to the other seal element in a direction transverse to the groove length; and(ii) facing surfaces of the seal elements are shaped to define a lubrication channel therebetween in a direction generally parallel to the groove length, the lubrication channel configured to allow ...

INJECTION MOLDED SEALS FOR COMPRESSORS

Improved seal components for compressors, such as scroll compressors, are provided. Such seal components have a molded composite on a seal plate that is preformed, which serves as an improved face seal for floating seal assemblies. The preformed seal plate may be formed of a sintered powder metal or cast gray iron. The molded composite comprises a thermoplastic polymer and at least one reinforcing or lubricating particle. Methods of forming such seal components for a scroll compressor by injection molding are also provided. 1. A seal assembly for a compressor comprising:a seal plate and a molded portion overmolded onto a region of the seal plate, wherein the molded portion comprises a polymer and at least one reinforcing or lubricating particle and the molded portion defines a face seal contact surface.2. The seal assembly of claim 1 , wherein the seal plate comprises a non-machined sintered porous powder metal material or a cast gray iron.3. The seal assembly of claim 1 , wherein the seal plate defines at least one mechanical locking feature to interact with and retain said molded portion.4. The seal assembly of claim 3 , wherein the seal plate comprises a centrally disposed opening and the at least one mechanical locking feature is disposed adjacent to the centrally disposed opening claim 3 , wherein the at least one mechanical locking feature is selected from the group consisting of: a protruding annular flange claim 3 , a circumferential groove claim 3 , a transverse annular protrusion claim 3 , a circumferential flange claim 3 , a longitudinal channel claim 3 , a locking wing claim 3 , and combinations thereof.5. The seal assembly of claim 1 , wherein the polymer is a thermoplastic polymer selected from the group consisting of: polyaryletherketone (PAEK) claim 1 , polyetherketone (PEK) claim 1 , polyetheretherketone (PEEK) claim 1 , polyetheretheretherketone (PEEEK) claim 1 , polyetherketoneketone (PEKK) claim 1 , polyetheretherketoneketone (PEEKK) ...

Rotary Piston Machine and Method for Producing a Seal in a Rotary Piston Machine

A rotary piston engine and a method for manufacturing a sealing in a rotary piston engine are described. The rotary piston engine has at least two piston pairs respectively connected via a link, the pistons of which are arranged at opposite ends of the links and, during operation, circulate on an at least approximately circular path in a piston housing, such that varying working volumes are enclosed between the pistons of different piston pairs during the circulation and that, via a sealing provided between the piston housing and the pistons, a fluid flow between the enclosed working volumes is at least impeded. The technical solution described is characterized in that the sealing is formed by a gap between the pistons and the piston housing and surfaces of the pistons and the piston housing delimiting the gap at least at times are irregularly structured. 120.-. (canceled)21124345732653. A rotary piston engine () with at least two piston pairs () respectively connected via a link () , the pistons () of which are arranged at opposite ends of the links () and , during operation , circulate on an at least approximately circular path in a piston housing () , such that varying working volumes () are enclosed between the pistons () of different piston pairs () during the circulation , and with a sealing () provided between the piston housing () and the pistons () , which at least impedes a fluid flow between the enclosed working volumes ,{'b': 6', '8', '3', '5', '8', '9', '10', '3', '5', '8, 'characterized in that the sealing () is formed by a gap () between the pistons () and the piston housing (), in which no sealing elements are arranged, and that the gap () is designed such that leakage flows between neighboring working spaces are minimized, wherein surfaces (, ) of the pistons () and of the piston housing () delimiting the gap () at least at times have a surface structure generated directly upon commissioning by means of a running-in or grinding-in, resp., process.'} ...

ROTOR OF A ROTARY CYLINDER

A rotor for a rotary cylinder includes a body having a tube and a plate which has the first end integrally formed to the tube, and the second end of the plate extends radially relative to the tube. The plate is a solid plate and has a curved outer periphery. A first recessed area is defined in each of the top and the bottom of the plate. A waist is formed to the plate and located between the first and second ends of the plate. A resilient coat is coated to the body and includes a Y-shaped seal portion along the curved outer periphery of the plate so as to be movably in contact with the inside of the cylinder. 1. A rotor for a rotary cylinder , comprising:a body having a tube and a plate which has a first end integrally formed to the tube, a second end of the plate extending radially relative to the tube, the plate being a solid plate and having a curved outer periphery, a first recessed area defined in each of a top and a bottom of the plate, a waist formed to the plate and located between the first and second ends of the plate, anda resilient coat coated to the body and including a Y-shaped seal portion along the curved outer periphery of the plate.2. The rotor as claimed in claim 1 , wherein two protrusions extend from each of the two first recessed areas.3. The rotor as claimed in claim 2 , wherein a length of each of the protrusions is substantially the same as an outer diameter of the tube.4. The rotor as claimed in claim 2 , wherein two second recessed areas are defined in each of the first recessed areas claim 2 , each of the second recessed areas has one of the protrusions extending therefrom claim 2 , an area of each of the second recessed areas is larger than a cross sectional area of the protrusion corresponding thereto.5. The rotor as claimed in claim 1 , wherein a rib extending from one of the two first recessed areas.6. The rotor as claimed in claim 1 , wherein a keyway is defined axially in an inside of the tube.7. The rotor as claimed in claim 1 , ...

Motor-operated compressor

A motor-operated compressor according to the present disclosure includes a first scroll performing an orbiting motion, a second scroll coupled to the first scroll to form a compression chamber with the first scroll and radially supporting a rotation shaft, a main housing coupled to the second scroll outside the second scroll, and coupled with a driving motor to form a motor chamber, the main housing including an opened end at one side of the motor chamber, a frame portion formed at another side of the motor chamber to axially support the second scroll, and a first bearing portion formed through the frame portion so that the rotation shaft is inserted therethrough to be radially supported, and an inverter housing coupled to the opened end of the main housing to seal the motor chamber, whereby a main frame can be easily formed and a compressor fabrication process can be simplified.

SCROLL PUMP TIP SEALING

A scroll pump tip seal to seal a single stage of a scroll pump that includes a first scroll and a second scroll. The tip seal is formed of a plurality of seal segments fitted contiguously end to end to a tip face the scroll wall of the scroll to form a continuous seal between the tip face and a base plate of the second scroll. 1. A scroll pump comprising:an orbiting scroll;a fixed scroll; anda driver configured to impart an orbiting motion to the orbiting scroll relative to the fixed scroll;wherein said orbiting scroll comprises an orbiting scroll base plate and an orbiting scroll wall extending from said orbiting scroll base plate towards said fixed scroll and said fixed scroll comprises a fixed scroll base plate and a fixed scroll wall extending from said fixed scroll base plate towards said orbiting scroll,said orbiting scroll wall has a tip face that faces said fixed scroll base plate and said fixed scroll wall has a tip face that faces said orbiting scroll base plate,said tip face of the orbiting scroll wall is provided with a first tip seal arrangement for sealing between the orbiting scroll wall and the fixed scroll base plate and said tip face of the fixed scroll wall is provided with a second tip seal arrangement for sealing between the fixed scroll wall and the orbiting scroll plate, andat least one of said first and second tip seal arrangements comprises a plurality of seal segments disposed contiguously end to end on the respective said tip face.2. The scroll pump as claimed in claim 1 , wherein said seal segments each comprise planar end faces and are arranged such that respective opposed said end faces of adjacent said seal segments are in abutting relationship.3. The scroll pump as claimed in claim 1 , wherein said seal segments each comprise end faces and are arranged such that respective opposed said end faces of adjacent said seal segments are disposed in overlapping relationship.4. The scroll pump as claimed in claim 3 , wherein said overlapping ...

Scroll pump tip sealing

A scroll pump tip seal to be fitted to a tip face of a scroll wall of a first scroll of a scroll pump to seal between the tip face and a base plate of a second scroll of the scroll pump has a first end, a second end and a plurality of flexure formations. The flexure formations are at least partial discontinuities in the tip seal disposed at spaced apart intervals between the first and second ends of the tip to facilitate lateral flexure of the tip seal.

ROTARY ENGINE VANE DRIVE METHOD AND APPARATUS

The invention comprises a rotary engine method and apparatus configured with a self-actuating/self-damping vane system. In the rotary engine apparatus, a set of vanes extend from a rotor to a housing, whereby the rotary engine is divided into expansion chambers. Each of the vanes enclose a stressed band wound at least partially around two or more rollers. Potential energy of the stressed band, which is optionally a smart metal, provides a radially outward force on the vane toward the housing, aiding in seal formation of the vane to the housing. 1. An apparatus , comprising: a rotor;', 'a housing; and', at least two roller elements; and', 'a stressed metal band wound around at least a portion of said at least two roller elements, said stressed metal band configured to apply a radially outward sealing force to said vane toward said housing., 'at least one vane configured to span a first distance between said rotor and said housing, said vane comprising], 'a rotary engine, said rotary engine comprising2. The apparatus of claim 1 , further comprising:a first anchor point on said rotor, a first end of said stressed metal band attached to said first anchor point.3. The apparatus of claim 2 , further comprising:a second anchor point attached to a radially outward spooling roller of said at least two roller elements, a second end of said stressed metal band attached to said second anchor point.4. The apparatus of claim 3 , said spooling roller further comprising:a cam shape.5. The apparatus of claim 3 , said rotary engine further comprising:a first endplate; anda second endplate, wherein each of said first endplate and said second endplate span a distance between said rotor and said housing, wherein said spooling roller rolls about an axis, the axis both perpendicular to said first endplate and perpendicular to said second endplate.6. The apparatus of claim 3 , said at least one vane further comprising:a first interior wall, a first portion of said stressed metal band ...

Multi-stage vacuum pump

A multi-stage vacuum pump may include a sealing arrangement for sealing between the stator components of the pump. The end seals of the arrangement comprise an annular portion for sealing between end stator components and shell components and axial portions which extend from the annular portion and together with separate axial seals seal between the shell components.

ROTARY PUMP WITH AXIAL COMPENSATION, OUTLET GASKET FOR A PUMP AND PRE-FITTED PUMP UNIT

A rotary pump including: a pump housing including a circumferential wall, which surrounds a delivery chamber, a first end-face wall and a second end-face wall which delineate the delivery chamber at its end-face sides; a rotor, which can be rotated in the delivery chamber, for forming delivery cells; a pressure outlet which emerges on an outer end-face side of the first end-face wall facing away from the delivery chamber; an outlet gasket which is provided on the outer end-face side of the first end-face wall, for sealing off the pressure outlet; and a pressing device for charging the outlet gasket with an axial pressing force. 1. A rotary pump for supplying an assembly , for example a gearbox , with a pressure fluid , the pump comprising:1.1 a pump housing comprising a circumferential wall, which surrounds a delivery chamber of the pump, a first end-face wall and a second end-face wall which delineate the delivery chamber at its end-face sides;1.2 a rotor, which can be rotated about an axis of rotation in the delivery chamber, for forming delivery cells which periodically increase and decrease in size as the rotor rotates, in order to deliver pressure fluid from a low-pressure side of the pump to a high-pressure side of the pump;1.3 a pressure outlet which emerges on an outer end-face side of the first end-face wall facing away from the delivery chamber and through which pressure fluid can be discharged from the delivery chamber;1.4 an outlet gasket which is provided on the outer end-face side of the first end-face wall, for sealing off the pressure outlet; and1.5 a pressing device for charging the outlet gasket with an axial pressing force,1.6 wherein the pump housing can be fitted on an accommodating device by means of a fitting structure, such that the first end-face wall axially faces an attaching wall of the accommodating device, and wherein1.7 the pump housing can be axially moved relative to the fitting structure and is axially supported on the fitting ...

ROTARY MACHINE

A rotary machine () in the form of an expander is shown. The Expander Induces a housing () having a cavity (), inlet and outlet ducts () communicating with the cavity (), a rotor () having a rotor axis (A), a number of vanes () movably received in respective grooves () in the rotor () and articulately connected about an axis (C) to one end of a control arm () and in the other end rotatable supported in a fixed shaft () extending centrally through the cavity () in the housing (), and at least one working chamber () which is part of the cavity (), The housing () includes an internally cylindrical intermediate part (5), which part interact with the rotor () and the vanes (). The rotor () forms a reel configuration having respective radially extending flange portions (′) which are rotatable together with the vanes, and against which the respective end surfaces of the vanes act. 115955111259251515151821414142495151515995182152222151515151515225555a,ba,b,ca,bca,bcadcaba,b,cabcabca,bc. A rotary machine () in the form of an expander , comprising a housing () having an internally cylindrical cavity () and respective end covers () , inlet and outlet ducts ( , ) arranged in the housing () and communicating with the cavity () , a rotor () received and supported in the housing () and having a rotor axis (A) , one or more vanes () movably received in respective grooves () in the rotor () , each vane being articulately connected about an axis (C) to one end of a control arm ( , ) and in the other end being rotatable supported in a shaft () having a central axis (B) coincident with the axis (B) extending centrally through the cavity () in the housing () , which axis (B) is parallel with and spaced apart a distance (d) from the rotor axis (A) , each vane tip describes a cylinder surface sector having its center of curvature in the axis through the joint that connects a vane ( , ) with a control arm , at least one working chamber () which is part of the cavity () and is defined ...

Sealing structure for airtight container and vehicle refrigerant compressor provided with said structure

An object of the present invention is to achieve favorable sealability by a simple and low-cost structure using an O-ring. A sealing structure according to the present invention is provided with: a first sealing surface formed in an annular shape on a first container structural member configuring a housing (container); a second sealing surface overlaid on the first sealing surface, formed in annular shape on a second container structural member configuring the housing; a plurality of concentric O-ring grooves formed on at least one of the first sealing surface and second sealing surface; and a plurality of O-rings fitted into the plurality of O-ring grooves. The filling ratio of the O-ring in the O-ring groove positioned on an outer side of the housing is larger than the filling ratio of the O-ring in the O-ring groove positioned on an inner side of the housing.

Pump

A pump including a rotor; a first housing part and a second housing part, between which the rotor is arranged such that it can be rotated about a rotational axis relative to the first and second housing part; at least one positioning element which positions the second housing part with respect to its angular position about the rotational axis relative to the first housing part; and a spring, wherein the second housing part is arranged between the spring and the rotor, wherein the spring is fastened to the at least one positioning element or the second housing part.

Pump

A pump, comprising: an accommodating housing ( 20 ) which forms a cup-shaped accommodating space ( 25 ) comprising an end-facing wall ( 20 c ) and a circumferential wall ( 20 d ); and a pump insert ( 1 ) which is arranged in the accommodating space ( 25 ), wherein the pump insert ( 1 ) comprises: a rotor ( 4 ); a first housing part ( 2 ) and a second housing part ( 3 ), between which the rotor ( 4 ) is arranged such that it can be rotated about a rotational axis (R) and relative to the first and second housing part ( 2, 3 ); and a stroke ring ( 12 ) which surrounds the rotor ( 4 ) and is arranged between the first housing part ( 2 ) and the second housing part ( 3 ), wherein a spring ( 5 ) which flexes along or in the direction of the rotational axis (R) is arranged between the accommodating housing ( 20 ) and the second housing part ( 3 ), wherein the spring ( 5 ) comprises a spring structure ( 5 b ) which is made of metal, in particular steel, and which imbues the spring ( 5 ) with its essential spring characteristics along or in the direction of the rotational axis (R), and wherein the spring ( 5 ) is supported towards the second housing part ( 3 ), substantially in a region which is arranged in axial alignment with the stroke ring ( 12 ) in the direction of the rotational axis (R), and thus presses the second housing part ( 3 ) against the stroke ring ( 12 ).

Pump

A pump includes: a housing in which a pump chamber accommodating an inner rotor and an outer rotor is formed in a pump chamber formation surface, and an O-ring groove is formed around the pump chamber; an O-ring that is placed in the O-ring groove; and a plate that is attached to the pump chamber formation surface and closely contacts the O-ring to close the pump chamber. Inter-hole grooves connecting to an outer edge of the pump chamber formation surface are formed around the O-ring groove.

FREE ROTARY FLUID MACHINE

There is provided a free rotary fluid machine including: a main body which is provided in a hollow cylindrical shape, and has an elliptical inner circumferential surface; a rotor which is provided in the main body, and rotates about the same rotation center as the main body; tip seals which are provided at one side of the rotor so as to be in contact with the inner circumferential surface of the main body; and blades which are provided between the tip seals provided adjacent to each other, and supported by the tip seals, in which the blade has one end surface that faces the inner circumferential surface of the main body, and the other end surface that is opposite to one end surface, and centers of radii of curvature of one end surface and the other end surface are positioned at the same side. As described above, a space formed among the inner circumferential surface of the main body, the rotor, and the tip seal is sealed by the auxiliary tip seal, and as a result, it is possible to reduce friction between the tip seal and the main body and to prevent a leak of an introduced working fluid. 1. A free rotary fluid machine comprising:a main body which is provided in a hollow cylindrical shape, and has an elliptical inner circumferential surface;a rotor which is provided in the main body, and rotates about the same rotation center as the main body;tip seals which are provided at one side of the rotor so as to be in contact with the inner circumferential surface of the main body; andblades which are provided between the tip seals provided adjacent to each other, and supported by the tip seals,wherein the blade has one end surface that faces the inner circumferential surface of the main body, and the other end surface that is opposite to one end surface, and centers of radii of curvature of one end surface and the other end surface are positioned at the same side.2. The free rotary fluid machine of claim 1 , wherein the blade has tip seal contact portions that connect one ...

PUMP COMPRISING A SPRING

A pump, comprising: 115-. (canceled)16. A pump , comprising:an accommodating housing which forms a cup-shaped accommodating space comprising an end-facing wall and a circumferential wall; and a rotor;', 'a first housing part and a second housing part, between which the rotor is arranged such that it can be rotated about a rotational axis and relative to the first and second housing part; and', 'a stroke ring which surrounds the rotor,, 'a pump insert which is arranged in the accommodating space, wherein the pump insert compriseswherein an annular sealing element which is arranged between the end-facing wall and the second housing part encloses a pressure space which is formed between the end-facing wall and the second housing part, wherein the pressure space is connected via an outlet channel to a delivery chamber which is formed between the rotor and the stroke ring, andwherein the spring comprises a spring structure which is made of metal and which imbues the spring with its essential spring characteristics, wherein the sealing element is fastened to the spring structure.17. The pump according to claim 16 , wherein the sealing element is captively fastened to the spring structure.18. The pump according to claim 16 , wherein spring structure is made of steel.19. The pump according to claim 16 , wherein the spring structure comprises a first spring structure ring which annularly surrounds the rotational axis claim 16 , and a second spring structure ring which is formed on the first spring structure ring and annularly surrounds the pressure space.20. The pump according to claim 19 , wherein the second spring structure ring is arranged between the rotational axis and the first spring structure ring claim 19 , and the rotational axis is arranged outside the second spring structure ring.21. The pump according to claim 20 , wherein at least the second spring structure ring is coated in a plastic material in order to form the sealing element.22. The pump according to ...

SPHERICAL ENERGY CONVERTER

The invention relates to a spherical working chamber and to two flat rotary pistons as internally turning, rotating pistons that are used to produce energy, which flat rotary pistons are driven by means of a descent of creeks, rivers or gray water and rainwater from high-rise buildings. Because of the even rotation of the output shaft of the flange-mounted transmission, an electrical generator can be connected. The energy converter plus generator can also be used as a mobile unit in emergency situations at waterfalls in order to generate electricity. 15-. (canceled)6. An energy converter comprisinga) a housing which confines a spherical working chamber and in which an inlet opening and an outlet opening for a pressurized liquid or gaseous medium are arranged;b) a shaft and a hollow shaft receiving the latter, which are mounted rotatably in the housing, wherein each of an axis of rotation of the shaft and an axis of rotation of the hollow shaft coincide with a diameter of the working chamber;c) two flat rotary pistons which bear sealingly against an inner wall of the housing and have a circular profile, wherein one of the flat rotary pistons is connected torque proof to the shaft and the other flat rotary piston is connected torque proof to the hollow shaft;d) two toothed gears which are connected to either the shaft or to the hollow shaft via a first freewheel coupling, the first freewheel coupling preventing rotation of the toothed gears with respect to the shaft or the hollow shaft counter to the working direction of rotation; ande) an output toothed gear which meshes with the two toothed gears,wherein:f) two inlet openings opposite one another and two outlet openings opposite one another are arranged in the housing,g) the shaft and the hollow shaft are each supported in the housing via a second freewheel coupling, the second freewheel coupling preventing rotation of the shaft or of the hollow shaft counter to the working direction of rotation, andh) the two flat ...

旋转活塞式工作机

本发明提供一种旋转活塞式工作机，包括气缸体，传动轴，气缸体上开设有一圈环形槽，传动轴上连接的第一密封件将环形槽密封，并与气缸体围成密闭的环形气缸，环形气缸内设有至少一个活塞，气缸体上开有至少一个挡块安装口，挡块安装口内安装有由转轴支撑的第二密封件，第二密封件上开设有至少活塞过孔，在活塞转动至第二密封件时，第二密封件转动至活塞过孔与活塞对应的位置，使活塞刚好通过活塞过孔，第二密封件在运动过程中将挡块安装口以及两边的腔室密封。本发明改往复运动为旋转运动，不像传统的内燃机那样剧烈振动，减少能量损失和摩擦，寿命长，压缩比大，做功效率高，燃烧充分，排污少，节能环保。

泵设备

本发明的方面涉及一种用于泵壳体（1）的定子部件（5）。定子部件（5）具有多个流体入口通道（19‑n），用于将流体输送到相应的泵送腔室（11‑n）。流体入口通道（19‑n）每个具有入口端口（21‑n），用于将流体输送到泵送腔室（11‑n）中。提供多个流体传输通道（31‑n），用于将流体输送到流体入口通道（19‑n）中的相应一个。流体传输通道（31‑n）每个具有用于接收所泵送的流体的入口。定子部件（5）适于接收至少一个密封构件（43），用于阻止流体输送到泵送腔室（11‑n）中相关联的一个中。本发明的方面涉及泵壳体（1）、盖板（9）和泵（3）。本发明的方面还涉及一种转换定子部件（5、7）的方法。

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Sealing arrangement, a conveying device having a sealing arrangement and a method for operating the sealing arrangement

The invention relates to a sealing arrangement (1) for conveying devices, in particular for gear pumps, in which an inner space (5) can be sealed off from an outer space (6), wherein the sealing arrangement comprises at least two parts (2, 3) each having at least one sealing surface (20, 21), wherein the sealing surfaces (20, 21) comprise: a first seal (11) along a first, medial perimeter of the sealing surface (20, 21), a second seal (12) along a second, lateral perimeter of the sealing surface (20, 21), a recess (15) between the first seal (11) and the second seal (12), characterized in that the recess (15) can be connected to a source (30) of a flushing medium such that the recess (15) can be actively flushed with the flushing medium.

Plate rotary positive-displacement machine

FIELD: machine engineering. SUBSTANCE: plate-type rotary positive-displacement machine has one plate 5 in rotor 3 through slot 4 that is located eccentrically in a noncircular body cavity 1. A annular gap 7 between the rotor 3 and in a flange 6 opening 8 is widened from slot 4 with plate 5 in the rotor 3 to a flange 6 bearing assembly and sealed by ring 9 sharp part elastically pressed against a gap 7. The clearance between the rotor 3 and the body 1 is sealed by a seal 13 located in the body 1, elastically pressed against the rotor 3 by its concave surface, where concavity radius is close to the radius of the rotor 3, and the width of the seal exceeds the width of the rotor 3 slot 4. EFFECT: increase of operation reliability and improvement of functional characteristics. 2 cl, 5 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 634 994 C1 (51) МПК F01C 1/344 (2006.01) F01C 19/00 (2006.01) F04C 2/344 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2016144925, 15.11.2016 (24) Дата начала отсчета срока действия патента: 15.11.2016 (72) Автор(ы): Мурзин Юрий Павлович (RU) (73) Патентообладатель(и): Мурзин Юрий Павлович (RU) Дата регистрации: (56) Список документов, цитированных в отчете о поиске: SU 440494 A, 25.08.1974. RU Приоритет(ы): (22) Дата подачи заявки: 15.11.2016 2013567 C1, 30.05.1994. RU 2195582 C2, 27.12.2002. US 4737090 A, 12.04.1988. WO 9705391 A1, 13.02.1997. (45) Опубликовано: 08.11.2017 Бюл. № 31 C 1 2 6 3 4 9 9 4 R U Стр.: 1 кольца 9, упруго поджатого к зазору 7. Зазор между ротором 3 и корпусом 1 уплотнен размещенным в корпусе 1 уплотнителем 13, упруго прижатым к ротору 3 своей вогнутой поверхностью, где радиус вогнутости близок к радиусу ротора 3, а ширина уплотнения превышает ширину паза 4 ротора 3. Изобретение направлено на повышение надежности работы машины и улучшение его функциональных характеристик. 1 з.п. ф-лы, 5 ил. C 1 (54) Пластинчатая роторная объемная машина (57) Реферат: ...

Sealing arrangement, a conveying device having a sealing arrangement and a method for operating the sealing arrangement

一种用于输送装置尤其是齿轮泵的密封结构(1)，其中内腔(5)能相对于外腔(6)被密封，该密封结构包括至少两个部件(2,3)，这两个部件各具有至少一个密封面(20,21)，其中该密封面(20,21)包括：沿该密封面(20,21)的第一中央周边的第一密封件(11)；沿该密封面(20,21)的第二侧向周边的第二密封件(12)；以及位于第一密封件(11)和第二密封件(12)之间的内空部(15)，其特征是，该内空部(15)能与具有冲扫介质的供应源(30)相连，使得该内空部(15)能利用冲扫介质被主动清扫。

Steam screw machine

FIELD: machine building. SUBSTANCE: invention relates to steam screw machines. Machine comprises high-pressure housing 1 with inlet branch pipe 2, low-pressure housing 3 with outlet branch pipe 4, screw rotors parallel installed on pairs of support bearings 7 arranged in both housings 1 and 3, kinematically connected to each other by means of synchronizing gears 9 and equipped with thrust bearings 8 arranged in housing 1. Rotors are equipped with unloading disks 10 arranged in housing 1 with formation of unloading chambers 12 communicated via channels 13 with branch pipe 4. Between bearings 7 and the screw part of the rotors there are double end seals 14. At the junction of housings 1 and 3 there is bottom 15 with holes 16 for shafts of rotors and inlet opening 17. Separating diaphragms are installed in housings 1, 3 between each bearing 7 and seal 14 and make non-contact seals 20, 21 with rotors. Each diaphragm is made of two diaphragms 18 and 19, spaced apart to form annular volume 22 between them. Each volume 22 is equipped with hole 23 for supply of compressed air into it. EFFECT: invention is aimed at improving operating characteristics of the machine, improving operating reliability during start-up and shutdown periods. 1 cl, 3 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 731 262 C1 (51) МПК F01C 1/16 (2006.01) F01C 19/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F01C 1/16 (2020.01); F01C 19/00 (2020.01) (21)(22) Заявка: 2019128471, 10.09.2019 (24) Дата начала отсчета срока действия патента: Дата регистрации: (73) Патентообладатель(и): Общество с ограниченной ответственностью "Башкирская генерирующая компания" (RU) 31.08.2020 (45) Опубликовано: 31.08.2020 Бюл. № 25 2 7 3 1 2 6 2 R U (54) Паровая винтовая машина (57) Реферат: Изобретение относится к паровым винтовым машинам. Машина содержит корпус высокого давления 1 с впускным патрубком 2, корпус низкого давления 3 с выпускным патрубком 4, ...

The operating method of sealing structure, the conveying device with sealing structure and sealing structure

一种用于输送装置尤其是齿轮泵的密封结构(1)，其中内腔(5)能相对于外腔(6)被密封，该密封结构包括至少两个部件(2,3)，这两个部件各具有至少一个密封面(20,21)，其中该密封面(20,21)包括：沿该密封面(20,21)的第一中央周边的第一密封件(11)；沿该密封面(20,21)的第二侧向周边的第二密封件(12)；以及位于第一密封件(11)和第二密封件(12)之间的内空部(15)，其特征是，该内空部(15)能与具有冲扫介质的供应源(30)相连，使得该内空部(15)能利用冲扫介质被主动清扫。

Refrigerant compressor

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

TROCHOIDAL ROTARY DEVICE

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 117 593 A (51) МПК F01C 19/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015117593, 21.10.2013 (71) Заявитель(и): ДжиИ ОЙЛ ЭНД ГЭС КОМПРЭШН СИСТЕМС, ЭлЭлСи (US) Приоритет(ы): (30) Конвенционный приоритет: 12.11.2012 US 13/674,922 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 15.06.2015 R U (43) Дата публикации заявки: 10.01.2017 Бюл. № 01 (72) Автор(ы): КАБИР Омар М. (US), ПАТТЕРСОН Марк Эндрю (US), УЭББ Рональд Уэйн (US) (86) Заявка PCT: (87) Публикация заявки PCT: WO 2014/074294 (15.05.2014) R U (54) ТРОХОИДАЛЬНОЕ РОТОРНОЕ УСТРОЙСТВО (57) Формула изобретения 1. Установка, содержащая трохоидальное роторное устройство, которое содержит корпус, ротор, расположенный внутри указанного корпуса, и вал, присоединенный к ротору, причем вал эксцентрично прикреплен к ротору, и вал и ротор выполнены как единое целое. 2. Установка по п. 1, содержащая по меньшей мере один подшипник, расположенный между углублением под подшипник, выполненным в роторе, и внутренней поверхностью, причем указанный по меньшей мере один подшипник выполнен с обеспечением возможности вращения ротора внутри корпуса. 3. Установка по п. 2, в которой указанный по меньшей мере один подшипник имеет зубцы, расположенные на его наружной поверхности. 4. Установка по п. 2, в которой указанный по меньшей мере один подшипник имеет щетинки, расположенные на его наружной поверхности. 5. Установка по п. 2, в которой указанное углубление ротора под подшипник, или внутренняя поверхность корпуса, или и то, и другое имеет антифрикционную поверхность. 6. Установка по п. 2, в которой по меньшей мере одно из перечисленного: указанный по меньшей мере один подшипник, углубление ротора под подшипник и внутренняя поверхность корпуса, имеет поверхностное покрытие. 7. Установка по п. 2, в которой на наружной поверхности указанного по меньшей мере одного подшипника имеется покрытие, которое является ...

Patent JPS5614732B2

Oil-free screw compressor

FIELD: engines and pumps. SUBSTANCE: invention relates to oil-free screw compressors. Compressor 10 has main part 11, oil feed tank 13, oil feed line 60 and oil return line 59. Besides, has shaft seals 28, 41 fitted on opposite sides of compression chamber 24 of screw rotor 25 in direction of shafts 26, 38 to prevent leaks of oil from bearings 27, 39, to into compression chamber 24 and those of process gas from compression chamber 24 via return line 52 for suction hole, shaft seals 41 to be jointed together on compression chamber pressure side and suction hole 17 of said main part 11, communication line 61 for fed process gas to communicate suction hole 17 with top section of tank 13, and shaft seal 53 to separate main part inside and atmosphere. EFFECT: compressor with cheap and reliable seals. 3 cl, 5 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 470 187 (13) C2 (51) МПК F04C 29/02 F04C 18/16 (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2011107284/06, 25.06.2009 (24) Дата начала отсчета срока действия патента: 25.06.2009 (73) Патентообладатель(и): КАБУСИКИ КАЙСЯ КОБЕ СЕЙКО СЕ (JP) R U Приоритет(ы): (30) Конвенционный приоритет: 29.07.2008 JP 2008-194911 (72) Автор(ы): АМАНО Ясуси (JP) (43) Дата публикации заявки: 10.09.2012 Бюл. № 25 2 4 7 0 1 8 7 (45) Опубликовано: 20.12.2012 Бюл. № 35 (56) Список документов, цитированных в отчете о поиске: JP 56088986 А, 18.07.1981. JP 2007132243 А, 31.05.2007. JP 2001317478 А, 16.11.2001. RU 2101571 С1, 10.01.1998. RU 2153601 С2, 27.07.2000. 2 4 7 0 1 8 7 R U (86) Заявка PCT: JP 2009/061601 (25.06.2009) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 28.02.2011 (87) Публикация заявки РСТ: WO 2010/013561 (04.02.2010) Адрес для переписки: 129090, Москва, ул.Б.Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры", пат.пов. Е.И.Емельянову, рег.№ 174 (54) БЕЗМАСЛЯНЫЙ ВИНТОВОЙ КОМПРЕССОР (57) Реферат: Изобретение относится ...

Seals for a rotary motor - comprising a cover or coating of soft and opt self lubricating material on the rotor

Method comprises providing a seal between a rotor and the walls confining and beside the peaks of the rotor profile by using a relatively soft layer on at least the leading edges and sides of the rotor peaks, pref. the whole external surface of the rotor. Pref. the cover is of aluminium or Ni aluminide (contg. 4.5% Al); Pb; Sn; Cu; or a heat resistant plastic, esp. polyamide, polyimide, phenolic, silicone rubber, or PTFE. Pref. seal layer incorporates a solid lubricant, pref. carbon fibres, graphite or powdered polyimide. Pref. layer also incorporates a combustion catalyst, pref. Pt of Cu oxide to convert combustion products to non toxic residues. Partic suitable for multilobal rotors turning in a flat diepitrochoid chamber such as a Wankel (RTM) engine. Reduces gas losses and mech. play between the rotor and the side walls, improves motor power and smoothness at low rpm.

Gear pump

Rotary piston head segment of sintered cermet - or sintered high temp. alloy tipped with cermet compsn.

Corner segment of sintered material, formed in one piece is claimed for the rotor of a rotating piston motor, whereby the part of the segment which in use rubs against the inside of the motor is made of a mass comprising 63-85% WC, 15-35% Co or a compsn. comprising 51-72% Fe, 22-32% Ni, 6-16% Co, 0.2-0.6% Mn, while the rest of the segment is made of the said alloy in a first region and the same WC compsn. bonded with the same alloy in a second region. Improved wear resistance compared with corner segments of uniform compsn.

Patent FR2061346A5

INNER DENTURE GEAR PUMP AND L-SHAPED JOINT DEVICE

Pompe à engrenage à denture intérieure (1) ayant des disques axiaux (18) appliqués contre les deux côtés des roues dentées (2, 3). Pour l'étanchéité de son champ de pression (22), le dispositif d'étanchéité est muni d'un joint d'étanchéité (25) à section en forme de L installé sur le contour du champ de pression (22) et ayant un anneau torique (26) dans le côté inférieur creux du joint d'étanchéité (25).

Internal combustion engine with rotary piston

Rotary piston engine

METAL RING MANUFACTURING PROCESS

Centrifugal pump usable, in particular, as a rotary compressor

Rotary IC engine - has intermediate compressed air or mixture chamber with valves to combustion chamber

Injection molding sealing element for compressor

提供了用于诸如涡旋压缩机之类的压缩机的改进的密封部件。这种密封部件具有在预成型密封板上的模制的复合物，该复合物用作浮动密封组件的改进的面密封件。预成型的密封板可以由烧结的粉末金属或灰铸铁形成。模制的复合物包括热塑性聚合物和至少一种增强或润滑颗粒。还提供了通过注入模制形成用于涡旋压缩机的这种密封部件的方法。

End face seal system

本实用新型公开了一种端面密封系统，包括结构体，所述结构体在X方向上需要产生伸长和/或缩短，在X方向上将所述结构体至少分割成两个部分，每个所述部分定义为子结构体，相邻的两个所述子结构体中的一个所述子结构体定义为左子结构体，另一个所述子结构体定义为右子结构体，在与所述左子结构体相对应的所述右子结构体的侧面上和/或在与所述右子结构体相对应的所述左子结构体的侧面上设置凹凸结构。本实用新型中所公开的端面密封系统具有大幅度提高流体机构密封性和效率等优点。

Sealing member

DRY TYPE VACUUM PUMP

Sealing element for a planetary rotation machine

The invention relates to a sealing element for a planetary rotation machine for sealing a lever which is guided in an annular gap and can be rotated about a rotational axis, wherein the sealing element is rotationally symmetrical relative to the rotational axis. The sealing element comprises a dynamic region and a static region, wherein the dynamic region has an axial sealing face which faces the annular gap, and a radial sealing face which faces the interior of an annular channel of the planetary rotation machine, which channel surrounds the annular gap, and wherein the static region is used to fix the sealing element to the planetary rotation machine, and wherein a channel, to which fluid can be supplied, is formed in the static region.

High pressure seal made of metallic like material

Sealing ring for sealing fluid, gas, or steam at high pressure in one or two flow directions between two surfaces with leaning sealing grooves and a sealing ring without split and with a very small cross section that can accept leaning grooves and is possibly to month in groves in one piece and with pressure balancing in two directions and only because of the form of the cross section can control the sealing rings contact pressure to be less than 50% of sealed pressure and with low wear, friction and leakage even when the size is small like in sealing gaps.

Oil-free screw compressor

Gear pump device for rubber extrusion

In a gear pump device for rubber extrusion, prolongation of the maintenance intervals is intended by preventing rubber scorch occurring at the gear support-shaft portion. It has a bushing ring 5 inserted in a gear-housing bore 3 of a housing 4. The bushing ring 5 rotatably supports a support-shaft portion 7 of a gear 2 accommodated in the gear-housing bore 3. The bushing ring 5 has a bearing 15 and a sealing means 16 built-in. The sealing means 16 includes a seal ring 22 of which cross section is ]-shaped and which has a first lip portion 22i contacting with the outer peripheral surface of the support-shaft portion 7, a second lip portion 22o disposed outside thereof in the radial direction, and a side wall portion 22m connecting between outer ends in the axial direction, of the first and second lip portions 22i, 22o.

Spiral displacement machine for compressible media with embossed sheet metal seal strip

A displacement machine for compressible media, with at least one displacement chamber arranged in a stationary housing and rendered in the manner of a groove extending with a spiral shape, and with a band-shaped or tongue-shaped displacement body associated with each displacement chamber and likewise rendered in spiral shape is described. The displacement body is held on a discoid rotor, which can be driven eccentrically relative to the housing, in such a manner that during operation, each of its outside wall points performs a circular movement bounded by the peripheral walls of the displacement chamber. The curvature of the displacement body relative to the curvature of the displacement chamber is dimensioned such that the displacement body nearly comes in contact with the radially inner and outer peripheral walls of the displacement chamber. For sealing the radial gap formed between the stationary housing and the rotor a sheet metal strip with a roughness applied in a precisely targeted fashion is held on one of the surfaces of the components to be sealed. In order to create an arrangement which can be produced as simply and easily as possible, the sheet metal strip is to be provided with outwardly projecting scale-like embossings and said sheet metal strip is to be constituted by an aluminum foil cemented on to the component.

Rotor for a rotary internal combustion engine

1402396 Rotary positive-displacement machines NISSAN MOTOR CO Ltd 2 May 1973 [6 May 1972] 20772/73 Heading F1F To reduce leakage of exhaust gases into the intake port 15 of a trochoidal-type I.C. engine each flank of the rotor 7 has on its leading portion a layer 18 of a material e.g. aluminium, nickelaluminide, lead, tin, copper, a plastics material or a varnish, which is softer than the material of the rest of the rotor. The plastics material may be polyamide, phenolic resin, polyfluorethylene or silicone rubber. The varnish may comprise graphite, polyamide and carbon fibre to render it self-lubricating. The layer may be one of e.g. platinum or copper oxide, so that it acts as a catalyst relative to the exhaust gases.

Rotary vane pump for brake booster in motor car, has chambers whose longitudinal ends are rotatably fixed in inner space along inner circumference trajectory, and roller bearing device provided at rotor in region of slot

The pump (1) has a rotor (3) provided with a slot. A wing (5) passes through an inner space (2) that is divided into two chambers. Longitudinal ends of the chambers are rotatably fixed in the inner space along an inner circumference trajectory (6), and transversely slide along a rotational axis in the slot of the rotor. A roller bearing device (7) is provided at the rotor in a region of the slot. The roller bearing device is provided with four rolling bodies. The rotor and the wing are made of plastic. The roller bodies are rotated in opposite walls of the slot.

A method for producing a molten treatment bath for producing a chromium carbide layer on the surface of an article made of iron, an iron alloy or cemented tungsten carbide containing at least 0.06% carbon

Rubber extruding gear pump device

【課題】 ゴム押出し用のギアポンプ装置において、ギアの支軸部でのゴム焼けを防止し、メンテナンス期間の延長を図る。【解決手段】 互いに噛合する一対のギア２を収容するギア収容孔３内に挿入され、ギア２の支軸部７を回転可能に枢支するブッシュリング５を具える。ブッシュリング５は、ベアリング１５とシール手段１６とを内蔵する。シール手段１６は、支軸部の外周面に接する第１のリップ部２２ｉと、その半径方向外側に配される第２のリップ部２２ｏとの外端間を側壁部２２ｍで継ぐ断面コ字状のシールリング２２を含む。【選択図】図４

Pump comprising a spring

A pump, wherein a first pressure space and a second pressure space are formed between an end-facing wall of an accommodating housing and a second housing part of a pump insert, wherein an annular sealing element which is arranged between the end-facing wall and the second housing part encloses the second pressure space and seals it off in relation to the first pressure space, wherein the first pressure space is connected via a first outlet channel to a first delivery chamber which is formed between a rotor and a stroke ring of the pump insert, and the second pressure space is connected via a second outlet channel to a second delivery chamber which is formed between the rotor and the stroke ring.

Piston ring

An abrasion and scuff resistant piston ring having an outer peripheral surface formed by the simultaneous spray deposition of from 30 to 95% of molten molybdenum and from 5 to 70% of molten iron alloy.

Apex seals for high power rotary piston engines

An apex seal for rotary piston engines comprising a material containing in weight 2.5 to 4.0% of C, 1.5 to 3.0% of Si, less than 1.0% of Mn, 0.25 to 2.0% of Ni, 0.25 to 2.0% of Mo, 0.25 to 2.0% of Cu, 0.05 to 0.3% of B, 0.2 to 1.5% of Cr, 0.05 to 1.0% of V and balance substantially of Fe. The sliding surface portion of the seal is of a chilled structure containing in area ratio more than 55% of carbides and the body portion is essentially of bainite structure containing in area ratio less than 15% of carbides.

Process for the production of oil sealing rings for rotary piston engines

Patent FR2317025B1

Multi-cylinder rotary expansion and compression dual-purpose machine

一种多气缸回转式膨胀压缩两用机，包括机壳、转子、气缸、滑板、隔板、轴承和机械密封等结构，机壳内同轴布置气缸，向下偏心布置转子，沿转子工作段均匀分布若干个膨胀或压缩腔室，转子工作段上对应于每个腔室的矩形槽按等分相位设置，转子通过在矩形槽内的滑板驱动气缸随转，各腔室采用中间隔板或端封板分隔，气缸套装在气缸轴承内；在转子的中心孔内设有带长圆形孔排的高压进排气分配总管，在特定角度通过转子上的高压进排气孔排与气缸高压侧腔室相通；本发明可作为压缩机或膨胀机使用，各零部件之间相对速度差较小，摩擦损失较小，具有效率高、流量和压力较平稳、适合于大中型机组、成本较低等优点。

Scroll pump tip sealing

A scroll pump tip seal (246) to be fitted to a tip face of a scroll wall of a first scroll of a scroll pump to seal between said tip face and a base plate of a second scroll of the scroll pump. The tip seal is made of metal and has at least one internally disposed void (251). The metal tip seal may be made of a foamed metal defining a plurality of internally disposed voids (251).

Sealing rotary piston motors - with porous ceramic oxide material impregnated with metal or metallic alloy

Radial and axial seal in rotary piston engine housing - has contoured piston mantle and radial seal bore, and integral radial/axial seal

The piston mantle and the bore of the radial sealing element are built-up of infinitely thin discs with different radial distances and the radial seal is integral with the axial seal. The radial and/or the aerial seal may be split at one or more points. The radial and the axial seal may be shaped to fit one into the other. The radial seal may be provided with hollow chambers near the sealing surface which may be pressurised.

Scroll pump

The present application relates to a scroll compressor comprising a scroll pumping mechanism which comprises an orbiting scroll (20) having an orbiting scroll wall (34) extending axially from an orbiting scroll plate (36) towards a fixed scroll (22) and a fixed scroll having an fixed scroll wall (28) extending axially from a fixed scroll plate (30) towards the orbiting scroll. The compressor further comprises an axially extending drive shaft (14) having an eccentric shaft portion (16) so that rotation of the eccentric shaft portion imparts an orbiting motion to the orbiting scroll relative to the fixed scroll for pumping fluid from an inlet (24) to an outlet (26) of the pumping mechanism. An axial end portion of one of the scroll walls (28, 34) has a first sealing arrangement and a second sealing arrangement arranged in series along the scroll wall from the inlet to the outlet for sealing between the axial end portion of the scroll wall and the scroll plate of the opposing scroll, said first sealing arrangement having first sealing characteristics which are selected according to sealing requirements local to the first sealing arrangements and said second sealing arrangement having second sealing characteristics which are selected according to sealing requirements local to the second sealing arrangements, and said first sealing characteristics are different from said second sealing characteristics.

Seal members

1415507 Sintered Al-alumina seal member ROPARCO Ltd 24 Sept 1973 [13 July 1972] 32877/72 Headings C7A and C7D A rubbing seal for use in an engine or compressor and formed of a composite material made of grains of plate like particles of aluminium or aluminiumbased alloy and of alumina in the proportions of 55 to 80% aluminium on aluminium based alloy and 20 to 45% alumina, said grains being non- crystalline and randomly orientated and each grain having the plate like particles of which it is composed arranged with their major axes generally parallel to one another. The seal may be prepared by plasma arc spraying aluminium or aluminium alloy (e.g. Al 4% Cu, 2% Ni, 1.5% Mg, 0.2% Ti or Al 12% Si, 1% Mg, 1% Cu, 2% Ni) and alumina (e.g. Al 2 O 3 2.5% TiO 2 ) on to a rotating mandrel, stripping the coating from the mandrel and fragmenting it in a hammer mill, compacting and sintering at 510‹C using a graphite release agent. The seal may be in the form of an apex or side seal for a rotating piston machine or piston ring for a reciprocating piston machine which may comprise a cast iron block or housing.

Electric compressor

本实用新型提供电动式压缩机。所述电动式压缩机可包括：第一涡旋盘，进行回旋运动；第二涡旋盘，与所述第一涡旋盘结合，与该第一涡旋盘一起形成压缩室，径向支撑所述旋转轴；主罩体，在所述第二涡旋盘的外部与所述第二涡旋盘结合，所述驱动马达与所述主罩体结合而形成构成吸入空间的马达室，所述马达室的一侧形成有开口的开口端，所述马达室的另一侧形成有轴向支撑所述第二涡旋盘的框架部，所述旋转轴贯通所述框架部并被径向支撑；以及逆变器罩体，通过与所述主罩体的开口端结合来密封所述马达室。由此，容易形成主框架，从而能够简化压缩机的制造工程。

Patent FR2207197A1

Patent FR2183836B1

Tip seal for scroll pump

一种涡旋泵尖端密封件（246），所述涡旋泵尖端密封件（246）待被配合至涡旋泵的第一涡旋部的涡旋壁的尖端面，以便在所述尖端面与所述涡旋泵的第二涡旋部的基部板之间进行密封。所述尖端密封件由金属制成并且具有至少一个内部设置的空隙（251）。所述金属尖端密封件可以由限定多个内部设置的空隙（251）的泡沫金属制成。

Scroll pump

The present application relates to a scroll compressor comprising a scroll pumping mechanism which comprises an orbiting scroll (20) having an orbiting scroll wall (34) extending axially from an orbiting scroll plate (36) towards a fixed scroll (22) and a fixed scroll having an fixed scroll wall (28) extending axially from a fixed scroll plate (30) towards the orbiting scroll. The compressor further comprises an axially extending drive shaft (14) having an eccentric shaft portion (16) so that rotation of the eccentric shaft portion imparts an orbiting motion to the orbiting scroll relative to the fixed scroll for pumping fluid from an inlet (24) to an outlet (26) of the pumping mechanism. An axial end portion of one of the scroll walls (28, 34) has a first sealing arrangement and a second sealing arrangement arranged in series along the scroll wall from the inlet to the outlet for sealing between the axial end portion of the scroll wall and the scroll plate of the opposing scroll, said first sealing arrangement having first sealing characteristics which are selected according to sealing requirements local to the first sealing arrangements and said second sealing arrangement having second sealing characteristics which are selected according to sealing requirements local to the second sealing arrangements, and said first sealing characteristics are different from said second sealing characteristics.

Oil-free screw compressor

【課題】潤滑油の粘度低下による軸受損傷及び吐出系における重質炭化水素の液化を防止する安価で信頼性の高い軸封装置が形成された無給油式スクリュ圧縮機を提供する。 【解決手段】圧縮機本体１１と、給油タンク１３と、給油ライン６０と、油回収ライン５９と、を備えるスクリュ圧縮機１０において、スクリュロータ２５の圧縮室２４の軸２６，３８方向の両側に位置し、軸受２７，３９，４０の油の圧縮室２４への混入及び圧縮室２４からのプロセスガスの漏洩を防止する軸封部２８，４１と、圧縮室２４の吐出側の軸封部４１と圧縮機本体１１の吸込口１７とを連通させる吸込口戻しライン５２と、圧縮機本体１１の吸込口１７と給油タンク１３の上部とを連通させる供給プロセスガス連通ライン６１と、圧縮機本体１１内部と大気雰囲気とを仕切る１つの内外軸封部５３とを備える。 【選択図】図１ An oil-free screw compressor is provided with an inexpensive and highly reliable shaft seal device that prevents bearing damage due to a decrease in the viscosity of lubricating oil and liquefaction of heavy hydrocarbons in a discharge system. In a screw compressor 10 including a compressor main body 11, an oil supply tank 13, an oil supply line 60, and an oil recovery line 59, both sides of the compression chamber 24 of the screw rotor 25 in the directions of shafts 26 and 38 are provided. Shaft seals 28 and 41 that are positioned to prevent the oil in the bearings 27, 39, and 40 from being mixed into the compression chamber 24 and leaking process gas from the compression chamber 24, and the shaft seal portion 41 on the discharge side of the compression chamber 24. A suction port return line 52 that communicates with the suction port 17 of the compressor body 11, a supply process gas communication line 61 that communicates between the suction port 17 of the compressor body 11 and the upper portion of the fuel tank 13, and the compressor body 11. One inner and outer shaft sealing portion 53 that partitions the inside and the atmospheric atmosphere is provided. [Selection] Figure 1

Vane pump with coated rotor

A vane pump (10) includes a cylindrical rotor (78) rotatable inside of an oval-shaped rotor chamber (66) of cam ring (46) disposed between a pressed plate (42) and a pressure plate (44). The rotor has opposite sides (82a, 82b) and a peripheral outer surface (80) in which radial vane slots (86) are formed and guide slideable vanes (88). The rotor (78) is coated on its surfaces with a film (150) of abradable coating material which reduces the operating clearance between the rotor (78) and the thrust and pressure plates (42, 44) and cam ring (46) so as to increase the volumetric efficiency of the pump (10).

Charging device for the compression of charge air

Ladevorrichtung zur Verdichtung von Ladeluft für einen Verbrennungsmotor mit einem Spiralverdichter und mit wenigstens einem, von einer Welle durchsetzten Wellendichtring zur Abdichtung der Welle gegenüber dem den Wellendichtring umgebenden Außenteil zur Vermeidung des Durchtritts von Lagerschmiermittel, dadurch gekennzeichnet, dass der Wellendichtring (17) ein Ringgehäuse (19) aufweist, das wenigstens ein Rastelement (25) umfasst, das beim Einfügen des Wellendichtrings (17) in axialer Richtung mit dem den Wellendichtring (17) umgebenden Außenteil verrastet.

ROTARY PISTON MACHINE OF THE TROCHOID DESIGN, IN PARTICULAR COMBUSTION ENGINE

Magnetically actuated seal for scroll compressor

A back pressure chamber seal for use in a scroll type compressor that is located between the adjacent surface on the back of the orbiting scroll and the machine casing. Seals are loosely received in endless grooves formed in one of the two adjacent surfaces and are magnetically held in contact against the other adjacent surface and one wall of the groove to provide a sealed region. A pressurized fluid is delivered into the sealed region to provide an axially disposed biasing force acting against the orbiting scroll.

Liquid seal, shaft seal apparatus and pump apparatus using the same

本发明提供流体密封件以及使用该流体密封件的轴封装置和泵装置，对将旋转轴的外周密封且具有减压功能的带唇流体密封件，满足无需降低安全压力或相对于密封件的旋转轴的接触面压力就能够将液体泄漏降低的性能提高的要求。液体密封件(1)具有环状的唇部(2)和固定在轴孔(12)的内周面的环状的固定部(3)，唇部(2)设置成与固定部(3)连结且前端从连结部起沿轴向延伸，在该唇部(2)上外嵌有将密封唇(4)向旋转轴(13)的外周按压的弹簧(7)，且将该液体密封件(1)形成为如下结构：密封唇(4)形成山形，该山形顶点的棱边(4c)在沿通过密封件的中心轴的平面切开的截面内向内径侧突出，弹簧(7)配置成比该密封唇的山的顶点的棱边(4c)更偏向唇部(2)的前端侧。

Rotary compressor with heating passage between discharge chamber and shaft seal

A rotary compressor features a passage structure and valve arrangement which, under given modes of operation, permits relatively hot gaseous compressed working fluid to be introduced into a chamber proximate a bearing which is subject to cooling and the lubricant therein subject to dilution by working fluid under such conditions, in a manner to warm the bearing and its immediate surroundings and obviate the dilution problem.

Rotor end face seal - comprises three or more adjacent hemispherical bodies in direction of pressure drop

The rotor end face seal is partic. for rotary pistons following a non-circular path, having sealing components on one of the mating end faces of rotor and housing. The components are a series of hemispherical bodies, there being three or more adjacent ones in the direction of the pressure drop. Their diameter is approximately three-quarters of that (D) of a radial-load bearing (3,4) with positive lubrication and of up to 20N/cm2, and whose load is four times that of an individual body. The body height is equal to the radial bearing clearance(s') occurring with the bearing journal (3) in the bearing shell at the points symmetrical in relation to the support point (5) and through which a secant of length equal to the body diameter passes.

vacuum pump

End face sealing system

本发明公开了一种端面密封系统，包括结构体，所述结构体在X方向上需要产生伸长和/或缩短，在X方向上将所述结构体至少分割成两个部分，每个所述部分定义为子结构体，相邻的两个所述子结构体中的一个所述子结构体定义为左子结构体，另一个所述子结构体定义为右子结构体，在与所述左子结构体相对应的所述右子结构体的侧面上和/或在与所述右子结构体相对应的所述左子结构体的侧面上设置凹凸结构。本发明中所公开的端面密封系统具有大幅度提高流体机构密封性和效率等优点。

Electric compressor

This electric compressor is characterized by being provided with: an electric motor; a compression mechanism which is driven by the electric motor; a hous - ing (2) which houses the electric motor and the compression mechanism on the inside; an accommodation part (6) which is disposed on a sidewall of the housing (2), and accommodates a drive circuit that drives the electric motor; a lid (9) which is in contact with the accommodation part (6), and is securely fastened to the accommodation part (6) by fastening means (11); and a sealing member (8) which is sandwiched between the accommodation part (6) and the lid (9), and creates a seal between the accommodation part (6) and the lid (9). The electric compressor is further characterized in that: the accommodation part (6) has walls (7) that stand up from the sidewall of the housing (2); standing end surfaces (10) of the walls (7) which are orthogonal to the standing direction of the walls (7), have steps (12) in a midway position toward the outside from the inside of the accommodation part (6); a fastening means (11) passes through a standing end surface (10a), which is further to the outside than the step (12); and the sealing member (8) is sandwiched between the lid (9) and a standing end surface (10b), which is further on the inside than the step (12).

Bar type seal for rotary mechanism

The bar seal for use in a rotary mechanism and which is disposed for sliding movement in a groove and to sealingly engage a surface, has an elongated base structure of high wear resistance characteristic and a body portion of a material having a low coefficient of friction connected to the base structure to form a unitary assembly. The body portion is dimensioned to extend a substantial part of the length of the base structure and of a width to form opposite planar surfaces for contacting the walls of the groove.

Vane pump having an abradable coating on the rotor

A vane pump includes a cylindrical rotor rotatable inside of an oval-shaped rotor chamber of cam ring disposed between a pressed plate and a pressure plate. The rotor has opposite sides and a peripheral outer surface in which radial vane slots are formed and guide slideable vanes. The rotor is coated on its surfaces with a film of abradable coating material which reduces the operating clearance between the rotor and the thrust and pressure plates and cam ring so as to increase the volumetric efficiency of the pump.

Method of making rotary piston engine cast iron interior seals by quench hardening

An interior seal for rotary piston engines in the form of a cast iron scraper ring is arranged for axial movement in an annular groove in one face of the piston; and an annular scraping edge of the seal slides along the interior surface of the neighboring end wall of the housing.

Scroll pump having pockets formed in an axial end face of a scroll wall

In some examples, a scroll pump 10 may include two scrolls, which are co-operable for pumping fluid from an inlet to an outlet on relative orbiting motion of the scrolls. Each scroll may include a respective scroll base from which a respective scroll wall extends generally axially towards the base of the opposing scroll. At least a first portion of one or each of the respective scroll walls has formed in an axial end face thereof a plurality of pockets distributed along the first portion for disrupting leakage of fluid from a high pressure side of the scroll wall to a low pressure side of the scroll wall.

SEAL ARRANGEMENT FOR A ROTARY PISTON MACHINE

Sealing ring for rotary piston engine

A rotary fluid-displacement assembly

내측 벽면을 갖는 내부 공동을 정의하고, 상기 내측 벽면을 양분하는 하우징 평면을 가로지르는 방향으로 연장되는 하우징 종축을 갖는 하우징; 주위 표면을 가지며 상기 하우징의 상기 내부 공동 내에 위치하고, 상기 하우징 종축에 대해 편심된 로터 회전축에 대해 회전하도록 이루어진 로터; 및 말단 단부를 가지고, 상기 로터에 미끄럼 운동 가능하게 장착되어, 상기 말단 단부가 상기 로터의 상기 주위 표면으로부터 제1거리만큼 떨어져 있는 제1위치와 상기 말단 단부가 상기 로터의 상기 주위 표면으로부터 제2거리만큼 떨어져 있는 제2위치의 근처에서 또한 상기 제1위치와 상기 제2위치 사이에서 축방향으로 이동가능하고, 상기 로터가 상기 로터 회전축에 대해 회전함에 따라 상기 말단 단부는 상기 하우징의 상기 내측 벽면에 근접하게 이격되는 게이트; 를 포함하는 로터리 유체 변위 어셈블리가 개시되어 있다.

Rotary device with reciprocating vanes and seals therefor

A rotary device comprises a stator and a rotor. The stator has a cam surface. The rotor has a sleeve and a hub. There is a plurality of vanes reciprocatingly mounted on the rotor. There is a plurality of first longitudinal edge seals disposed on the sleeve. The first longitudinal edge seals each seal at least a portion of a first longitudinal edge of one of the vanes against the sleeve. There is a plurality of second longitudinal edge seals disposed on the hub. The second longitudinal edge seals each seal at least a portion of a second longitudinal edge of one of the vanes against the hub. There is a plurality of end edge seals. The end edge seals each seal a respective end edge of one of the vanes against the cam surface. The end edge seals each are in sealing engagement with respective ones of the first and second longitudinal edge seals.

The sealing device of the switchable type vane pump designed for cartridge type

本发明提供了一种用于筒式设计的叶片单元泵(20)的密封装置(10)，该筒式设计的叶片单元泵(20)被构造成使得其能够切换成多个流。密封装置(10)包括第一密封件(11)和第二密封件(12)，第一密封件(11)布置成围绕叶片单元泵(20)的侧板(21)的圆周延伸，第二密封件(12)布置成围绕设置在侧板(21)中的轴引入件(22)延伸。密封装置(10)的特征在于第三密封件(14)，第三密封件(14)远离至少一个第一流体连接件(23)，第三密封件(14)在构造成处于第一密封件(11)与第二密封件(12)之间的区域(13)内将至少一第二流体连接件(24)相对于该至少一个第一流体连接件(23)隔离。

Component for controlling and cooling internal combustion engines with rotating cylinder housings has corrugated, sprung compensation ring pressing seal against wall of cylinder head

The device has a corrugated, sprung compensation ring (2) pressing the seal (1) against the wall (3) of the cylinder head. The different temperatures are taken up by the corrugations reducing or increasing so that the contact pressure allows adequate cold or hot lubricant past for a cold or hot engine.