Radial cylinder type hydraulic pump - has cylinder formed as extension of discharge valve inserted in pump casing

The pump has a shaft with an eccentric on it. A piston shoe (11) is spring loaded (47) onto the eccentric and causes a piston to reciprocate in a radial cylinder (16) as the shaft revolves. A discharge valve body (17) is inserted into the pump casing. It has a stepped bore through it the step of which provides the seat for a lightly spring loaded valve disc. The valve body is extended radially inwards (16) towards the shaft. This extension forms the cylinder in which the piston reciprocates. The cylinder extension and piston are shaped to provide a spherical mating surface.

Improvements in pumps

... 175,774. Zwicky, J. Nov. 26, 1920. Lever-actuated pumps; buckets; valves, arrangement of; double-acting bucket pumps.-A double-acting bucket pump for liquids, the leakage of which is specially undesirable, comprises a cylinder 1, with common suction 2 and delivery 3, and cover plates 4 and 5 secured by a yoke 6. The piston and valve body 9 is reciprocated by a lever 11 mounted on the shaft 12, and has a partition 16. Communication between the inlet 2 and the cylinders is effected by way of the opening 26 and annular valves 23. Discharge takes place through the valves 21 to the outlet 3, the leaf springs 24 serving to press each pair of valves upon their seatings.

Check valve arrangement

Check valve arrangement

Check valve arrangement

Check valve arrangement

PUMP FLUID END WITH POSITIONAL INDIFFERENCE FOR MAINTENANCE

A packing assembly for a pump fluid end comprising: a packing screw; a packing carrier; and a packing, wherein the packing screw, the packing carrier, and the packing are each cylindrical with a width measured along a central axis thereof that is less than a minimum spacing distance of a pump comprising the pump fluid end and a pump power end, wherein the pump fluid end comprises a reciprocating element bore in which a reciprocating element can be reciprocated via the pump power end via connection of the reciprocating element to a reciprocating element adapter coupled with a pushrod and crankshaft of the pump power end, wherein the minimum spacing distance is an axial distance measured along the central axis between a back of the pump fluid end and a front end of the reciprocating element adapter when the crankshaft of the pump power end is at top dead center.

VALVE ASSEMBLY

The present invention relates to a valve assembly (10) which is mounted on a part (piston unit 40) of an air motor (10) arranged for reciprocating movement in a housing (cylinder 12). The valve assembly includes a first valve unit (50), which is mounted on one side of the part (40), and a second valve unit (70), which is mounted on the other side of the part (40). The second valve unit is connected to the first valve unit (50) by means of the part (40) for common movement with the first valve unit relative to the part (40) when the valve assembly is switched as the part (40) reaches one of its two end turning-positions. In order to enable the valve assembly to be switched instantaneously and to eliminate the risk that switching the assembly will not take place, particularly when the motor is operated at a low speed, it is proposed in accordance with the invention, among other things, that each of the valve units (50 and 70 respectively) is produced from an elastomeric material and is provided ...

Pompe hydraulique.

Kolbenverdichter für Klein-Kältemaschinen

RADIAL PISTON PUMP.

Improvement with the feed pump for injection pumps or carburettors of the internal combustion engines

Apparatus which can be used as pump, engine or compressor

Patent FR1584876A

ELECTRICALLY DRIVEN HYDRAULIC ADJUSTING OR CONTROL DEVICE

Radial piston pump

A radial piston pump comprises a housing bounding a suction chamber therein and at least one valve piston unit mounted in the housing. The valve piston unit includes a pressure valve defining a pressure chamber, a movable piston having an axial passage operatively communicating the suction chamber with the pressure chamber, and a suction valve located in the axial passage of the piston. The suction valve is operative for opening and closing the axial passage of the piston so as to establish and interrupt the above communication, respectively. The piston performs a suction stroke and a working stroke, and a valve member of the suction valve is open during the suction stroke of the piston. The valve member has such a mass that it is opened by an accelerative force produced during the above suction stroke of the piston. The piston is moved by an eccentric mounted on a rotatable shaft, which eccentric has a circumferential groove operatively communicating the suction chamber with the axial ...

Flexible Manifold for Reciprocating Pump

A pump comprising a bore pump fluid end having a reciprocating element bore, a discharge valve assembly comprising a discharge valve seat and a discharge valve body, and a suction valve assembly comprising a suction valve seat and a suction valve body; a hollow, cylindrical reciprocating element; a hollow reciprocating element adapter comprising a first end having a fluid inlet opposite a second end having a fluid outlet, wherein the second end of the reciprocating element adapter is connected to and in fluid communication with the fluid intake end of the reciprocating element; a pump power end having a push rod connected to the first end of the reciprocating element adapter; and a movable manifold comprising a reciprocating element end and a fluid intake end, wherein the reciprocating element end of the movable manifold is connected to and in fluid communication with the fluid inlet of the reciprocating element adapter.

Plunger type pump

In a plunger pump a communication passage (72) is arranged in a plug (64) for closing a cylinder storing hole (16). The plug (64) is movable relative to the cylinder assembly (24) by a spring. An O-ring (74) for preventing the leakage of a fuel from faces opposed to the cylinder assembly (24) and the plug (64) is attached to the plug (64). When the fuel pressure within a fuel passage (32) is equal to or lower than a predetermined pressure, the O-ring (74) comes in contact with the cylinder assembly (24) by the spring (80), and the fuel leakage from the above opposed faces is prevented by the O-ring (74). If the fuel pressure within the fuel passage (32) is equal to or higher than the predetermined pressure, part of the fuel is vented to the exterior to reduce fuel pressure.

Pumpe und Generatoranordnung

Improvements relating to high pressure reciprocating pumping apparatus

... 586,824. Reciprocating pumps. PILLIN, J. B. Dec. 6, 1944, No. 24424. [Class 102 (i)] A reciprocating pump comprises a piston rod 12 actuated by a compressed air motor 3 and formed with a piston 18 fitted with a valve 15. The pump suction valve 14 has a seating 9 of hexagonal form loaded by a spring 10. During downstroke of the piston 18, liquid is transferred through valve 15 to the upper side of the piston and any excess pressure. lifts the seating 9 against the spring pressure and allows liquid to return to suction. Delivery takes place through pipe 24. In a modification, the valve 15 is fitted on a spring-loaded seat and the piston 18 delivers to a second co-axial piston of smaller dimensions also fitted with a valve. Specification 530,397 is referred to.

Improvements in or relating to reciprocating pumps

... 672,173. Stuffing-box substitutes. SOC. D'INVENTIONS AERONAUTIQUES ET MECANIQUES, S.I.A.M. Aug. 4,1950 [Aug. 6, 1949], No. 19594/50. Class 122(v) [Also in Group XXVIII] In a swash plate pump (see Group XXVIII) the cover plate 4 has three sealing rings 28, 29, 30, and any liquid which infiltrates past the ring 28 is centrifuged through a passage 31 and valve 32 in the rotor 11 and returned to the pump casing.

Improvements in or relating to reciprocating fluid pumps

... 1,039,165. Reciprocating pumps. BENDIX CORPORATION. July 15, 1963 [July 23, 1962], No. 27970/63. Heading F1A. In an electromagnetically-actuated pump, e.g. for fuel, comprising a cylinder 16 of non- magnetizable material surrounded by a solenoid 18 and housing a spring-loaded bucket 17 of magnetizable material, the bucket valve and suction valve assemblies 19 comprise disc valve members 51 and 33 and valve seat members 52, 34 having arcuate slots Fig. 2 (not shown) disposed such that in the valve-closed position, the slots in one member are closed by the lands between the slots in the other member. Bucket 17 is moved on its suction stroke by current pulses from a transistor-oscillator driving circuit 71 mounted in the pump casing, and on its delivery stroke by a spider spring 48, the frequency being chosen to obtain resonance. A P.T.F.E. seal 73 surrounds bucket 17 which is a loose fit in cylinder 16. A filter 77 is provided.

Drum Pumps

PISTON PUMP FOR THE SUPPLY FROM GAS OIL TO DIESEL ENGINES

Improvements with the hydraulic pumps

NON-RETURN VALVE FOR A PISTON PUMP

L'invention propose de fabriquer en une pièce en plastique par moulage à injection une soupape anti-retour (34) pour une pompe à piston (10) d'une installation de freinage d'un véhicule munie d'un obturateur de soupape (36), d'un ressort de soupape (38) et d'un élément de fixation (46) avec lequel la soupape anti-retour (34) est fixé sur un piston (20) de la pompe à piston (10). Ceci présente l'avantage de pouvoir fabriquer la soupape anti-retour (34) en une étape de travail par moulage à injection et un assemblage de la soupape anti-retour de pièces détachées n'est pas nécessaire.

A VALVE DISPOSITION

Una disposición de válvula que incluye un alojamiento con un volumen interno, una entrada y una salida desde el volumen, dos asientos de válvula que están ubicados en serie dentro del volumen, entre la entrada y la salida, dos miembros de válvula que están respectivamente en enganche sellador con los asientos de válvula y formaciones guía que permiten que cada miembro de válvula se mueva a lo largo de una trayectoria respectiva, alejándose desde su respectivo asiento de válvula e inclinándose en una extensión limitada en relación con tal trayectoria.

PISTON PUMP

The present invention relates to a piston pump for feeding a fluid, comprising a piston (2) and a pressure space (20) which is arranged between an inlet valve (13) and an outlet valve (14), wherein the inlet valve (13) comprises a closing element (10), a spring element (11) for restoring the closing element (10), and a holding device (4), wherein the holding device (4) comprises a holding region (5) for holding and supporting the spring element (11) and an integrally formed sealing region (6) in order to seal the pressure space (20) with respect to a low-pressure region of the piston pump, and wherein the sealing region (6) is of annular design and has a parting point (61).

Reciprocatory pumps

... 740,582. Reciprocating pumps. C.A.V., Ltd. July 27, 1954 [Aug. 6, 1953], No. 21706/53. Class 102(1). A reciprocating pump, e.g., for feeding a fuel-injection pump, comprises a cylinder a having a delivery valve m arranged laterally, a piston i moved by a spring k on its delivery stroke and fitted with a non-return valve j, a filter g arranged between the inlet e and the piston, and a cam u for actuating the piston through a lever t and push rod r; the lever t is also actuated manually by rocking the shaft v so that a pin y engages a pin z carried by the lever. A perforated disc c bears against a spring ring d and a cylinder cover f is held in position by a bolt h screwing into the disc c. The valves f, m, are integral structures, including the loading springs, which are held in position. An air vessel n is provided adjacent the delivery valve.

Improvements in beer engine pumps

... 522,897. Reciprocating pumps. BEACH, E. F. Dec. 20, 1938, No. 37008. [Class 102 (i)] In a beer engine pump the usual leather packing ring 13 of the piston 11 is replaced by a metal adapter ring 14 having a peripheral slot accommodating a metal piston ring 18. As shown, the piston ring 18 is of the double coil type, and is held in place by a flanged plug 17 which forms a seating for the non- return valve 12.

PUMP AND GENERATOR ARRANGEMENT

MECHANICAL DIAPHRAGM PUMP WITH INCREASED PRESSURE TO THE FUEL SUPPLY OF INTERNAL-COMBUSTION ENGINES AND IN PARTICULAR OF INJECTION INTERNAL-COMBUSTION ENGINES

VALVE ARRANGEMENT.

FULL FLOW TUBING STATIONARY VALVE PUMP APPARATUS

A full flow tubing stationary valve pump apparatus includes an cuter annulus barrel, an inner working barrel positioned in radially inwardly spaced relation from the outer annular barrel to define a vertical flow annulus therebetween, an elongated inner plunger disposed within and vertically movable by upstrokes and downstrokes relative to the inner working barrel, a lower intake valve assembly disposed within and supported by the outer annulus barrel below the inner plunger, and an upper discharge valve assembly disposed within and supported by the outer annular barrel below the inner plunger and above the lower intake valve assembly. The outer annular barrel defines a working chamber between the lower intake valve assembly and upper discharge valve assembly into which crude oil can be drawn through the lower intake valve assembly from a production formation therebelow upon the upstroke of the inner plunger which causes the lower intake valve assembly to open and the upper discharge valve ...

RECIPROCATING PISTON PUMP

A pump has a piston which is reciprocatingly moved vertically inside a tubular casing to extract fluid, say, from the bottom of a well. The piston, attached to a motor for driving it, has a horizontally extending base plate with a central opening provided with a plug functioning as a check valve. When a fluid is taken in by the pump, the plug is lifted and the fluid is guided into a reservoir above the base plate. When the pressure inside the reservoir exceeds a specified level, the base plate is compressed downward against an upward biasing force thereon. This opens bleed ducts and allows some of the fluid in the reservoir to flow back down to a chamber below the base plate. Pilot holes are also provided to the piston for allowing small amounts of fluid to escape from the reservoir. This allows the pump to idle at the start-up and hence to start the pump smoothly, as well as to prevent any overpressure conditions.

RECIPROCATING PISTON PUMP WITH BLEED PASSAGES

A pump which has a piston (30) which is reciprocatingly moved inside a tubular housing (32) to extract fluid from the bottom of a well (29). The piston (30) is driven by motor (12) and has a horizontally extending base plate (50) with opening (52) provided with a plug/check valve (64). As the fluid is pumped, the plug (64) is raised and the fluid flows into a high pressure reservoir (35). When the pressure inside reservoir (35) exceeds a specified level, the base plate (50) is moved downward against an upward biasing force. This opens an annular port (51) exposing bleed ducts (56) and allows some fluid in reservoir (35) to flow back into low pressure chamber (37). Grooves (43) are also provided on the peripheral surface of base plate (50) for allowing small amounts of fluid to continuously escape from the reservoir (35) as long as pressure in the reservoir (35) is higher than in low pressure chamber (37). This allows the pump to idle at start-up and starts the pump smoothly, as well as ...

Hydraulic pump with high pressure

Piston pump with movement fast, acting by inertia of the liquid, and particularly applicable to the rise in the deep liquids

Apparatus of closing, such as valve or valve, for aggressive liquids, notammentpour pump, and pumps for aggressive liquids equipped with the known as apparatus

NON-RETURN VALVE LOADED WITH A SPRING, COMPRISING A CLOSURE MEMBER BIASED BY A SPRING ELEMENT AGAINST A VALVE SEAT IN A VALVE BODY

a) Clapet antiretour chargé par un ressort, comportant un organe d'obturation poussé par un élément à ressort contre un siège de clapet dans un corps de clapet. b) Clapet caractérisé en ce qu'il comprend un support de ressort (34) prévu dans le corps de clapet (12) et contre lequel s'appuie l'élément à ressort (44) tandis que l'organe d'obturation (52) comporte des parties en contre-dépouille (64) derrière lesquelles viennent prendre les surfaces d'appui (66) du support de ressort (34). a) Spring loaded check valve comprising a shutter member urged by a spring member against a valve seat in a valve body. b) Valve characterized in that it comprises a spring support (34) provided in the valve body (12) and against which rests the spring element (44) while the closure member (52 ) has undercut parts (64) behind which come to take the bearing surfaces (66) of the spring support (34).

VENTILAGGREGAT VID EN LUFTMOTOR

Fuel pump having an outlet valve in the piston and a fuel path flowing around the actuator

Fuel pump for delivering fuel, comprising a casing (10), a cylinder (4), a piston (5) which is arranged in the cylinder (4), a heat-producing actuator (6) for actuating the piston (5), and a return element (7) for returning the piston (5) to a starting position, a first gap (8), which is formed at the heat-producing actuator (6), in particular between the cylinder (4) and the heat-producing actuator (6), wherein a first fuel path (80) passes through the first gap (8), an inlet valve (2), an outlet valve (3), wherein the outlet valve (3) is arranged in the piston (5) and the piston (5) has a passage (16), via which a fuel can flow from the outlet valve (3) in the direction of the first gap (8).

Pump for variable dosing

A variable dosing piston pump having a cylinder made of two parts, the fixed part through which the piston rod extends and a part adapted to be inserted more or less within said fixed part and means to fix said parts relative to each other, an outlet in said fixed part for the dosed liquid, an inlet controlled by a non-return valve in said movable part, the piston having a diameter adapted to that of the movable part and comprising a non-return valve. By changing the positions of the two cylinder parts relative each other, and retaining the same piston movement, the effective stroke of the piston is changed, thereby changing the dosing.

Triple acting pump

HYDRAULIC COLOR PUMP.

CHECK VALVE ARRANGEMENT

Valve assembly for reciprocating air-motor

PUMP FLUID END WITH EASY ACCESS SUCTION VALVE

A pump fluid end comprising a discharge valve assembly comprising a discharge valve seat and a discharge valve body, a suction valve assembly comprising a suction valve seat and a suction valve body, and a reciprocating element, wherein an inside diameter of the discharge valve seat is greater than an outside diameter of the suction valve body, the suction valve seat, the reciprocating element, or a combination thereof.

HYDRAULIC PAINT PUMP

RADIAL-PISTON PUMP

PUMP MECHANICAL HAS MEMBRANE HAS PRESSURE AUGMENTEE FOR the FOOD BY CARBURIZING ENGINES THERMIQUUES, AND IN PARTICULAR OF FUEL INJECTION ENGINE

Improvements with the autonomous pumps

Patent FR2063396A5

Electromagnetic fuel pump

In a plunger type electromagnetic fuel pump, a cost reduction is achieved by reducing a number of parts in conjunction with a layout of a check valve and making a cleaning step after assembling unnecessary. In an electromagnetic fuel pump (1) which pressure-feeds a fuel from a pressurizing chamber (6) formed on the front side of a plunger (3) by controlling a current application to an electromagnetic coil (5) and repeating generation and elimination of a magnetic force so as to slidably reciprocate the plunger (3) arranged in a cylinder (4), spring retaining members (36) provided with spring guides (361) retaining proximal end sides of return springs (33) urging valve members (32, 32) of check valves (30, 70) forming the pressurizing chamber (6) integrally has fixing structures for fixing them to mounting positions, and are fixed without using the other fixing means.

КОМПРЕССОР

1. Компрессор с цилиндром (7) и поршнем (6), которые ограничивают камеру (12) сжатия, линейным приводом (1) для приведения поршня (6) в движение относительно цилиндра (7) и оболочкой (8), которая окружает, по меньшей мере, цилиндр (7) и поршень (6), отличающийся тем, что выпускное отверстие (13) камеры (12) сжатия выходит во внутреннюю полость (16) оболочки (8). ! 2. Компрессор по п.1, отличающийся тем, что поршень (6) в цилиндре (7) опирается на газовую подушку. ! 3. Компрессор по п.2, отличающийся тем, что отверстия (19) в обечайке (17) цилиндра (7) соединяют зазор (20) между обечайкой (17) и поверхностью (18) обечайки поршня (6) с внутренней полостью (16). ! 4. Компрессор по п.2 или 3, отличающийся тем, что каналы (21, 22), предназначенные для подачи сжатого газа из камеры (12) сжатия в зазор (20), простираются между торцевой поверхностью (14) и поверхностью (18) обечайки поршня (6). ! 5. Компрессор по п.4, отличающийся тем, что каналы выполнены в виде отверстий (21). ! 6. Компрессор по п.4, отличающийся тем, что каналы выполнены в виде канавок (22). ! 7. Компрессор по одному из пп.1-3, 5, 6, отличающийся тем, что выпускное отверстие (13) выполнено в поршне (6). ! 8. Компрессор по п.7, отличающийся тем, что выпускное отверстие (13) выполнено в дне поршня (6). ! 9. Компрессор по одному из пп.1-3, 5, 6, 8, отличающийся тем, что выпускное отверстие (13) закрыто клапаном. ! 10. Компрессор по п.9, отличающийся тем, что клапан (13) представляет собой обратный клапан. ! 11. Компрессор по п.9, отличающийся тем, что упорный клапан (13) открывается во внутреннюю полость поршня (6). ! 12. Компрессор по п.9, отличающийся тем, что, по меньшей мере, один участок обратного клапана (13) выступает над дном поршня (6). ! 13. Компрессор по п.12, отличающий РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2010 135 408 (13) A (51) МПК F04B 35/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (71) Заявитель(и): БСХ БОШ УНД СИМЕНС ХАУСГЕРЕТЕ ГМБХ (DE) (21)( ...

Hydraulische Farbenpumpe.

VENTILANORDNUNG.

Vehicle brake hydraulic pump

The hydraulic pump with a piston path controlled suction valve, for a vehicle hydraulic brake system, has a suction valve (18) which is controlled according to its path. The suction valve (18) is opened only during part of the piston (4) suction movement, and only during at least up to the transit between a suction movement of the piston (4) and a pump movement.

PUMP VALVE SEAT WITH SUPPLEMENTAL RETENTION

A valve seat comprising a primary retention component to retain the valve seat in a valve seat housing upon seating of the valve seat in the valve seat housing, and a secondary retention component to at least temporarily retain the valve seat in the valve seat housing during seating of the valve seat in the valve seat housing, whereafter the valve seat is primarily retained in the valve seat housing via the primary retention component.

VALVE ASSEMBLY FOR A FLUID END WITH LIMITED ACCESS

A valve assembly comprising a valve seat, a valve body, a valve spring, and a valve guide, wherein the valve seat and/or a valve seat housing in which the valve seat is seated comprises a plurality of grooves; wherein the valve body comprises a first side comprising a valve seat contact surface, and a second side comprising a coupler actuating feature; and wherein the valve guide comprises a coupler, and a plurality of wings, wherein the valve guide comprises a valve guide end distal the coupler, wherein, when the valve guide is coupled to the valve body via the coupler, the valve guide end distal the coupler extends a greater radial distance from the central axis of the valve body than the plurality of wings, and wherein the valve guide can be coupled to or decoupled from the valve body via the coupler by actuating the coupler actuating feature.

Hollow differential piston pump, continuous flow

Pump with liquids

ELECTRICALLY DRIVEN HYDRAULIC ADJUSTING OR CONTROL DEVICE

PISTON PUMP

The present invention relates to a piston pump for feeding a fluid, having a piston and a pressure chamber which is arranged between an inlet valve and an outlet valve. The inlet valve has a closing element, a spring element for restoring the closing element, and a holding device. The holding device has a holding region for holding and supporting the spring element and an integrally formed sealing region in order to seal the pressure chamber with respect to a low-pressure region of the piston pump. The sealing region is of annular design and has a parting gap which is closed in an installed state.

Pump

PUMPS

... 1365292 Reciprocating pumps BIRMINGHAM SMALL ARMS CO Ltd 1 Oct 1971 [2 Oct 1970] 46879/70 Heading F1A A pump for liquids, e.g. molten metal, has one or more of its components made of ceramic material, e.g. sintered silicon nitride, and comprises a cylinder 2 with an inlet disc valve 3 and a tubular piston 1 with an outlet valve 9 controlling piston opening 17. Valve 3 has lateral projections, Fig. 2 (not shown), for guiding it in cylinder 2, and has a transverse pin 15 for limiting its opening movement. Pin 15 also is used for opening valve 3 and valve 9 to drain the pump after use. Valve 9 is axially grooved externally, Fig. 3 (not shown), has a hollow interior 11 closed by plug 10, and is weighted by a metal rod or shot placed in its interior. In Fig. 4 (not shown), valve 9 is replaced by a conical valve member (46) with a stem projecting through opening 17 and engaging a guide member (52) for limiting the valve movement. Liquid is discharged from the piston through a ball-jointed spout ...

Pumping machine and generator system utilizing the same

HYDRAULIC PAINT PUMP

HYDRAULIC PAINT PUMP There is provided an improved airless paint spray pump having an intake, an inlet valve assembly, a pumping chamber, an outlet, an outlet valve assembly, and stroke pumping means for pumping the fluid paint into the pumping chamber through the intake during the intake stroke and through the outlet on the pumping stroke. The inlet valve assembly includes a flat valve which cooperates with a valve seat at the intake and is displaced from the valve seat during the intake stroke of the pumping means and is seated on the valve seat during the pumping stroke of the pumping means. The flat inlet valve replaces the previous ball type inlet or check valve thereby expanding the design capabilities of the pump.

RECIPROCATING PUMPS FOR DOWNHOLE DELIQUIFICATION SYSTEMS AND PISTONS FOR RECIPROCATING PUMPS

A piston includes a piston housing and a decompression valve disposed in the piston housing. The decompression valve includes a valve housing seated in the piston housing and a valve member moveably received by the valve housing. The valve member has a radially outer surface including an annular shoulder. In addition, the piston includes an end cap secured to the first end of the piston housing. A radially inner surface of the end cap includes an annular valve seat. The decompression valve has a closed position with the annular shoulder of the valve member engaging the valve seat of the end cap and an open position with the annular shoulder of the valve member axially spaced from the valve seat of the end cap. The piston also includes a biasing member configured to bias the decompression valve to the closed position.

Hydraulic motor-driven pump

Electromagnetic pump with free oscillation

RADIAL-PISTON PUMP

CHECK VALVE ARRANGEMENT

A valve arrangement which includes a housing with an internal volume (20), an inlet to and an outlet from the volume, two valve seats (22, 24) which are serially located inside the volume • between the inlet and the outlet, two valve members (36, 38) which are respectively sealingly engagable with the valve seats (22, 24), and guide formations (26, 28) which permit each valve member to move, along a respective path, away from its respective valve seat and to tilt to a limited extent relatively to such path.

Mechanische Membranpumpe mit erhöhtem Druck zur Brennstoffversorgung von Brennkraftmaschinen und insbesondere von Einspritzbrennkraftmaschinen

Elektromagnetisch angetriebene Freischwingerpumpe

Improvements in or relating to apparatus for charging containers with liquid carbon dioxide

... 375,918. Charging vessels with liquid carbon dioxide. KIDDE & CO., Inc., W:, 140, Cedar Street, New York, U.S.A.- (Assignees of Freygang, W. H. ; 12, Born Place, Weehawken, New Jersey, U.S.A.) April 20, 1931, No. 11612. Convention date, May 7, 1930. [Classes 8 (ii) and 102 (i).] A pressure-producing means such as a pump 15 draws liquid carbon dioxide under its own vapour pressure from a container 46 through a conduit, and delivers it to a receiving container 35. The pump is driven by an electric motor 2 through gearing 6, 7, and a connecting rod and a crosshead 11. The piston has ports controlled by a valve 18, and the liquid is delivered by a ball valve 21 to a passage 25 having a safety disc 27 and leading to the flexible hose 30 having a control valve 32. The container 35 has also a hand-controlled valve 34 and rests on a scale pan 47 by which its degree of filling may be seen. The liquid from the delivery container 46 passes through a strainer in the delivery pipe.

IMPROVEMENTS IN OR RELATING TO DISPENSERS FOR FLOWABLE MATERIALS AND VALVES THEREFOR

... 1,267,912. Reciprocating pumps. H. L. HUNT and H. W. BRISTOW. March 17, 1969 [Dec. 18, 1967], No.57299/67. Heading F1A. A dispenser, e.g. for grease or chutney, has a piston 12 reciprocable in a cylinder 13 carrying an apertured disc 6 which is rotatable with the cylinder relative to an apertured disc 7 to operate as a valve. As shown, discs 6 and 7 form an inlet valve, the pumped material being discharged through bucket valve 26 and hollow piston rod 10. Piston 12 is reciprocated by a pneumatically actuated piston 11. The pumping and actuating cylinders 13 and 14 are connected to members 4 and 5, the whole assembly being oscillated to operate valve 6, 7, e.g. by handle 22 or by a control means synchronized with the piston drive. The piston stroke may be adjusted by adjustable stops co-operating with abutment 24 on rod 10, or by an adjustable stop engaged by the top of the rod, Fig. 2 (not shown). The pump alternatively may be actuated by an external drive, e.g. an electric motor and cam ...

Check valve for a piston pump

PUMPING MACHINE AND GENERATOR SYSTEM UTILIZING THE SAME

ABSTRACT OF THE DISCLOSURE A pumping machine is disclosed which comprises valve means and air intakes, the valve means comprising a plurality of check valves and having a double-layer structure, the valve means being caused to vertically reciprocate by delivery of compressed air, the air intakes being so formed that external air is introduced in mid course of the reciprocating motion of the valve means, wherein external air is introduced in parallel with suction of water to be pumped up in mid course of the reciprocating motion of the valve means, the introduced air is then compressed, and then expansion force of the air generated by releasing the water with air from the pressure is utilized as water pumping force.

RECIPROCATING PISTON PUMP WITH BLEED PASSAGES

A pump which has a piston (30) which is reciprocatingly moved inside a tubul ar housing (32) to extract fluid from the bottom of a well (29). The piston (30 ) is driven by motor (12) and has a horizontally extending base plate (50) wit h opening (52) provided with a plug/check valve (64). As the fluid is pumped, the plug (64) is raised and the fluid flows into a high pressure reservoir (35). When the pressure inside reservoir (35) exceeds a specified level, the base plate (50) is moved downward against an upward biasing force. This open s an annular port (51) exposing bleed ducts (56) and allows some fluid in reservoir (35) to flow back into low pressure chamber (37). Grooves (43) are also provided on the peripheral surface of base plate (50) for allowing smal l amounts of fluid to continuously escape from the reservoir (35) as long as pressure in the reservoir (35) is higher than in low pressure chamber (37). This allows the pump to idle at start-up and starts the pump smoothly, as we ll as preventing overpressure conditions.

COMPRESSOR UNIT

The invention relates to a compressor unit comprising a cylinder (7) and a piston (6) that delimit a compressor chamber (12), a linear drive (1) for driving a relative movement of the cylinder (7) and piston (6) and a capsule (8) that surrounds at least the cylinder (7) and the piston (6). The unit is characterised in that an outlet opening (13) of the compressor chamber (12) opens into an inner chamber (16) of the capsule (8).

Gekapselter Schwingverdichter,insbesondere Kaelteverdichter

Piston pump for transporting fluid for vehicle braking system has integral annular sealing region with separating point for sealing pressure chamber with respect to low pressure region

The device has a piston and a pressure chamber between inlet and outlet valves, whereby the inlet valve has a closure element, a spring element for restoring the closure element and a holder (4) with a holding region (5) for holding and supporting the spring element and an integral annular sealing region (6) with a separating point (61) for sealing the pressure chamber with respect to a low pressure region.

Improvements in and relating to Pumps.

... 4437. Thompson, W. P., [Meklensek, J.]. Feb. 22. Rods and rod guides; bucket pumps; suction pipes; assembling parts. - The pump is fitted with two suction pipes 11 carrying brackets 14, 14', one of which supports a long stuffing-box 9 arranged between the suction pipes, while the other acts as a guide for the pump-rod 8. The piston-rod is formed in sections with packing- rings 10 between. The cylinder covers are held in place by tie-bars 3, and are provided with lugs (not shown), through which pass the cross-head rods 16 connecting the upper and lower cross-heads 15,15'. The pump bucket is fitted with a conical valve 6, and is formed in three sections having packing-rings between.

Improvements relating to valved pistons for pumps

... 215,394. Knock-Out Fire Extinguishers, Ltd., (Assignees of Bouillon FrÞres). May 5, 1923, [Convention date]. Portable hand-pumps.-A member 4, screwed into the hollow pump rod 1, carries in a groove a resilient packing ring 7 in order to press outwards the cup leather 3. Oblique passages 5 in the member 4 are normally closed by a leather washer 9, a metal washer 10 and a weak spring 11.

Electrically operated reciprocating apparatus applicable to liquid delivery and control

... 344,843. Regulating liquid levels. SCOTT, M. D., Denholme, Windmill Hill, Enfield, Middlesex, and MORRIS, J. N., 5, Redcliffe Square, London. Nov. 30, 1929, Nos. 36782/29 and 6400/31. Addition to 343,000, [Group XXVIII]. [Class 123 (i).] In an electrically operated pump for supplying a carburetter &c., in which the make and break of the circuit of the operating solenoid are effected by short-circuiting a magnetic flux, as described in the parent Specification, the float chamber is dispensed with, or is separate from the pump, or is formed by a continuation of, or enlargement of the pump barrel. The pump discharge pipe 68, Fig. 3, may discharge into a float chamber 71, or may be connected to the float chamber through a branch pipe 73. The float 74 may carry an iron mass 3 for short-circuiting the flux of a magnet 1 and so opening a switch 5, 6, 7 in the pump solenoid circuit when the liquid level rises. Alternatively, the float may carry a magnet for opening a switch against the action of ...

FULL FLOW TUBING STATIONARY VALVE PUMP APPARATUS

A full flow tubing stationary valve pump apparatus includes an outer annulus barrel, an inner working barrel positioned in radially inwardly spaced relation from the outer annular barrel to define a vertical flow annulus therebetween, an elongated inner plunger disposed within and vertically movable by upstrokes and downstrokes relative to the inner working barrel, a lower intake valve assembly disposed within and supported by the outer annulus barrel below the inner plunger, and an upper discharge valve assembly disposed within and supported by the outer annular barrel below the inner plunger and above the lower intake valve assembly. The outer annular barrel defines a working chamber between the lower intake valve assembly and upper discharge valve assembly into which crude oil can be drawn upon the upstroke of the inner plunger and from which crude oil can be forced upon the downstroke of the inner plunger.

Hammer pulsator volumetric, mainly usable like small pump

Patent FR1583650A

Electromagnetic pump with vibrating reinforcement

VALVE ASSEMBLY

The present invention relates to a valve assembly (10) which is mounted on a part (piston unit 40) of an air motor (10) arranged for reciprocating movement in a housing (cylinder 12). The valve assembly includes a first valve unit (50), which is mounted on one side of the part (40), and a second valve unit (70), which is mounted on the other side of the part (40). The second valve unit is connected to the first valve unit (50) by means of the part (40) for common movement with the first valve unit relative to the part (40) when the valve assembly is switched as the part (40) reaches one of its two end turning-positions. In order to enable the valve assembly to be switched instantaneously and to eliminate the risk that switching the assembly will not take place, particularly when the motor is operated at a low speed, it is proposed in accordance with the invention, among other things, that each of the valve units (50 and 70 respectively) is produced from an elastomeric material and is provided ...

Reciprocating Compressor Provided with Arrangement of Suction Valves

The present invention refers to a reciprocating compressor provided with an arrangement of suction valves and, more particularly, a reciprocating compressor which, capable of operating with at least two suction lines having different working pressures, is made up of an arrangement of valves comprising including at least two “orifice valve” sets. One of these sets provides a semi-commanded valve, whereas the other set provides an automatic valve. The core of the invention is related to the fact that said “orifice valve” sets are disposed on different components of the reciprocating compressor. 1. A reciprocating compressor capable of operating with at least two suction lines having different working pressures , and said reciprocating compressor provided with an arrangement of suction valves , comprising:at least a compression cylinder, at least a valve plate disposed at one of the ends of the compression cylinder, and at least a mobile piston disposed inside the compression cylinder;at least an arrangement of suction valves comprised by:at least an “orifice valve” set comprised by at least a suction orifice, at least a suction valve having cooperative actuation with its respective suction orifice, and at least an electromagnetic field generating element capable of interacting selectively with a suction valve;at least an “orifice valve” set comprised by at least a suction orifice at least a suction valve having cooperative actuation with its respective suction orifice;the reciprocating compressor provided with arrangement of suction valves being specially characterized in that said “orifice valve” sets and are disposed on different components of the reciprocating compressor and are disposed in parallel.2. A reciprocating compressor provided with an arrangement of suction valves claim 1 , as claimed in claim 1 , characterized in that the “orifice valve” set is disposed on the compression cylinder of the reciprocating compressor.3. A reciprocating compressor provided ...

Pump valve with seal retaining structure

The disclosure herein generally relates to sealing elements for valves and methods for forming the same. A valve component has a body which includes a guide portion, a stem, and a sealing portion between the guide portion and the stem. The sealing portion has a front surface facing the guide portion, a back surface facing the stem, and a recess for a sealing element formed in a periphery of the sealing portion; and one or more passages extending between the back surface of the sealing portion and the recess.

高效抽取石油节能环保设备

一种高效抽取石油节能环保设备，属于石油设备；它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈固定在泵油壳的外面，泵油壳固定在浮力壳内的下端；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧顶压在铁芯活塞的下端面，密封板密封进油腔、密封帽密封挤压腔的进油通道；铁芯活塞内的塞孔内固定有限制塞，内锥孔内安装有密封球或密封锥。高效抽取石油节能环保设备的结构紧凑、动力强劲，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时漂浮在石油面上，能够随石油面的升高或降低而自动升高或下降，石油井中或沉淀池底部的泥沙和水分不能够进入油泵内；并且在关闭电源后也能够自流输送石油。

环保节能抽取石油设备

一种环保节能抽取石油设备，属于石油开采技术；它的浮力壳内安装有泵油壳、上磁体和下磁体，上磁体和下磁体固定在泵油壳的外面，泵油壳的下端固定在浮力壳内；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，过油密封板密封进油腔的进石油通道，密封帽密封挤压腔的进石油通道；铁芯活塞上端的限位孔内固定有分油限制板，铁芯活塞的环形密封面上安装有密封帽。环保节能抽取石油设备的结构紧凑、振动小、电能利用率高、动力强劲，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时漂浮在石油面上，随石油面的变化而自动升高或下降，石油井中或沉淀池底部的泥沙和水分不能够进入油泵内。

井下抽石油节能设备

一种井下抽石油节能设备，属于石油设备；它的浮力壳内安装有上磁体、下磁体、泵油壳，上磁体和下磁体在泵油壳的外面，泵油壳固定在浮力壳内；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯活塞，密封帽密封进油腔的进石油通道，密封板密封挤压腔的进石油通道；铁芯活塞上端的限位孔内固定有分油限制板，铁芯活塞的内锥孔内安装有密封球或密封锥，铁芯活塞的下端有容纳孔。井下抽石油节能设备的结构紧凑、动力强劲，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时漂浮在石油面上，能够随石油面的升高或降低而自动升高或下降，石油井中或沉淀池底部的泥沙和水分不能够进入油泵内；并且在关闭电源后也能够自流输送石油。

泵体结构、压缩机及换热设备

本发明提供了一种泵体结构、压缩机及换热设备。其中，泵体结构包括：气缸组件，气缸组件包括气缸；活塞，活塞活动设置在气缸内；驱动部；传动结构，驱动部通过传动结构与活塞驱动连接，以使活塞相对于气缸转动的同时沿活塞的枢转轴线在气缸内前后运动。本发明解决了现有技术中压缩机存在性能不佳的问题。

一种车载电动无油空气压缩机

本发明涉及一种车载电动无油空气压缩机，包括电机（1）、箱体（3）、活塞（21）和飞轮轴（30），电机（1）固定在箱体（3）上，箱体（3）的顶部布置有缸盖（10）；电机（1）的主轴上安放有联轴器主动端（32），通过弹性体（31）带动飞轮轴（30）旋转，其特征在于：活塞（21）上布置有一级进气阀片（8），一级排气阀片（7）；箱体（3）上设有二级腔（14），该腔体的一侧通气孔处布置有二级排气阀片（15）；一级排气阀片（7）也为压缩机的二级进气阀片，从而提高排气压力，此活塞往复运动时，受力平衡振动小，并辅以高效的飞轮，使得空压机运行平稳。

Efficient energy-saving environment-friendly device capable of pumping petroleum

一种高效节能抽石油环保装置，属于石油开采设备；它的电磁线圈在油泵壳的外面，防护壳固定在油泵壳上，环形浮体固定在防护壳的下面，滤清器固定在油泵壳下端的进油孔处；出油阀固定在油泵壳的中心孔内，油泵壳内有铁芯弹簧和应磁活塞，铁芯弹簧顶压在应磁活塞的下端面，密封球或密封锥密封进油腔的进石油的通道、密封板密封挤压腔的进石油的通道；应磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥。高效节能抽石油环保装置的结构紧凑、振动小、电能利用率高、动力强劲，抽送石油的效率高，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时泥沙和水分不进入油泵内；还能够在关闭电源后自流输送石油，节约了电能。

Efficient and energy-saving petroleum-pumping device

一种高效抽取石油节能装置，属于石油开采设备；它的电磁线圈在油泵壳的外面，防护壳固定在油泵壳上，环形浮体固定在防护壳的下面，滤清器固定在油泵壳下端的进油孔处；出油阀固定在油泵壳的中心孔内，油泵壳内有铁芯弹簧和应磁活塞，铁芯弹簧顶压在应磁活塞的下端面，密封板密封进油腔的进石油的通道，密封球或密封锥密封挤压腔的进石油的通道；应磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥。高效抽取石油节能装置的结构紧凑、振动小、电能利用率高、动力强劲，抽送石油的效率高，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时泥沙和水分不进入油泵内；还能够在关闭电源后自流输送石油，节约了电能。

Energy-saving, efficient and electromagnetic pump for pumping drinking water

一种节能高效抽饮用水电磁泵，属于饮用水设备；它的上磁体和下磁体分别在水泵壳的外面，安全罩固定在水泵壳上，浮力腔固定在安全罩的下面，滤清器固定在水泵壳下端的进水孔处；排水阀固定在水泵壳的中心孔内，水泵壳内有应磁活塞，密封帽密封进水腔和过水密封板密封挤压腔；应磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥，应磁活塞的下端有容纳孔。节能高效抽饮用水电磁泵的结构紧凑、振动小、电能利用率高、动力强劲，适合于饮用水井中抽取饮用水和在饮用水蓄水池中抽取饮用水、以及在水塔中抽取饮用水；抽饮用水时泥沙和泥浆不进入水泵内；还能够在关闭电源后自流输送饮用水，节约了电能。

Energy-saving and efficient electromagnetic device for draining sewage

一种节能高效排污电磁装置，属于污水处理设备；它的电磁线圈固定在泵污壳的外面，保护罩固定在泵污壳上，环形浮腔固定在保护罩的下面，滤渣器固定在泵污壳下端的进水孔处；排污阀固定在泵污壳的中心孔内，泵污壳内有推力弹簧和受磁活塞，推力弹簧顶压在受磁活塞的下端面，密封帽密封进水腔和过水密封板密封挤压腔；受磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥。节能高效排污电磁装置的结构紧凑、振动小、电能利用率高、动力强劲，抽送污水的效率高，适合于污水处理池中抽排污水和在污水沉淀池中抽排污水；抽排污水时污泥和泥浆不进入污水泵内。

High-efficient energy-saving environmentally-friendly wastewater pumping drainage pump

一种高效抽排污水节能环保泵，属于污水处理设备；它的上磁铁和下磁铁分别在泵污壳的外面，保护罩固定在泵污壳上，环形浮腔固定在保护罩的下面，滤渣器固定在泵污壳下端的进水孔处；排污阀固定在泵污壳的中心孔内，泵污壳内有受磁活塞，密封板密封进水腔、密封帽密封挤压腔的进污水的通道；受磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥，受磁活塞的下端有容纳孔。高效抽排污水节能环保泵的结构紧凑、振动小、电能利用率高、动力强劲，适合于污水处理池中抽排污水和在污水沉淀池中抽排污水；抽排污水时污泥和泥浆不进入污水泵内；还能够自流输送污水，节约了电能。

Pump

piston pump

Buoyancy artesian petroleum pumping energy-saving equipment

一种浮力自流抽石油节能设备，它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈固定在泵油壳的外面，泵油壳固定在浮力壳内的下端；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，密封板密封进油腔、密封帽密封挤压腔的进油通道；铁芯活塞上端的限位孔内固定有分油限制板，铁芯活塞的内锥孔内安装有密封球或密封锥，铁芯活塞的下端有容纳孔。浮力自流抽石油节能设备的结构紧凑、动力强劲，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时漂浮在石油面上，能够随石油面的升高或降低而自动升高或下降，石油井中或沉淀池底部的泥沙和水分不能够进入油泵内；并且在关闭电源后也能够自流输送石油。

Energy-saving efficient environment-friendly sewage equipment

一种节能高效环保污水设备，属于污水处理设备；它的电磁线圈在泵污壳的外面，保护罩固定在泵污壳上，环形浮腔固定在保护罩的下面，滤渣器固定在泵污壳下端的进水孔处；排污阀固定在泵污壳的中心孔内，泵污壳内有推力弹簧和受磁活塞，推力弹簧压在受磁活塞上，过水密封板密封进水腔的进污水的通道和密封挤压腔的进污水的通道；受磁活塞内的塞孔内固定有固定塞，受磁活塞的环形密封面上安装有密封帽。节能高效环保污水设备的结构紧凑、振动小、电能利用率高、动力强劲，抽送污水的效率高，适合于污水处理池中抽排污水和在污水沉淀池中抽排污水；抽排污水时污泥和泥浆不进入污水泵内。

Hydraulic paint pump

An improved airless paint spray pump having an intake (20), an inlet valve assembly (62), a pumping chamber (54, 56), an outlet, an outlet valve assembly, and stroke pumping means (42) for pumping the fluid paint into the pumping chamber through the intake during the intake stroke and through the outlet on the pumping stroke. The inlet valve assembly includes a flat valve (70) which cooperates with a valve seat (68) at the intake and is displaced from the valve seat during the intake stroke of the pumping means and is seated on the valve seat (68) during the pumping stroke of the pumping means. The flat inlet valve replaces the previous ball type inlet or check valve thereby expanding the design capabilities of the pump.

Efficient and energy-saving sewage draining pump

一种排污高效节能泵，属于污水处理设备；它的上磁铁和下磁铁分别在泵污壳的外面，保护罩固定在泵污壳上，环形浮腔固定在保护罩的下面，滤渣器固定在泵污壳下端的进水孔处；排污阀固定在泵污壳的中心孔内，泵污壳内有受磁活塞，密封帽密封进水腔的进污水的通道，密封板密封挤压腔的进污水的通道；受磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥，受磁活塞的下端有容纳孔。排污高效节能泵的结构紧凑、振动小、电能利用率高、动力强劲，适合于污水处理池中抽排污水和在污水沉淀池中抽排污水；抽排污水时污泥和泥浆不进入污水泵内；还能够在关闭电源后自流输送污水，节约了电能。

Energy-saving environment-friendly petroleum equipment

一种节能环保石油设备，它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈在泵油壳的外面，泵油壳的下端固定在浮力壳内；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，过油密封板密封进油腔的进油通道，密封板密封挤压腔的进油通道；铁芯活塞上端的限位孔内固定有分油限制板，铁芯活塞的密封孔内安装有密封板。节能环保石油设备的结构紧凑、振动小、电能利用率高、动力强劲，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时漂浮在石油面上，能够随石油面的升高或降低而自动升高或下降，石油井中或沉淀池底部的泥沙和水分不能够进入油泵内。

Pump

Efficient energy-saving equipment for pumping petroleum

一种抽石油高效节能设备，属于石油开采技术；它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈在泵油壳的外面，泵油壳固定在浮力壳内；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，密封帽密封进油腔的进油通道，密封板密封挤压腔的进油通道；铁芯活塞内的塞孔内固定有限制塞，内锥孔内安装有密封球或密封锥，铁芯活塞的下端有容纳孔。抽石油高效节能设备的结构紧凑、动力强劲，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时漂浮在石油面上，能够随石油面的升高或降低而自动升高或下降，石油井中或沉淀池底部的泥沙和水分不能够进入油泵内；并且在关闭电源后也能够自流输送石油。

Hydrostatic radial piston pump

High-efficiency energy-saving drainage electromagnetic pump

一种高效排污节能电磁泵，属于污水处理设备；它的上磁铁和下磁铁分别在泵污壳的外面，保护罩固定在泵污壳上，环形浮腔固定在保护罩的下面，滤渣器固定在泵污壳下端的进水孔处；排污阀固定在泵污壳的中心孔内，泵污壳内有受磁活塞，密封球或密封锥密封进水腔的进污水的通道、密封帽密封挤压腔的进污水的通道；受磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥，受磁活塞的下端有容纳孔。高效排污节能电磁泵的结构紧凑、振动小、电能利用率高、动力强劲，适合于污水处理池中抽排污水和在污水沉淀池中抽排污水；抽排污水时污泥和泥浆不进入污水泵内；还能够自流输送污水，节约了电能。

Drainage pump assembly

Piston pump with filter piston

Pump

Pump machine and generator system using same

펌프기계는 밸브수단과 공기흡입구를 구비하며, 상기 밸브수단은 이층 구조로 된 다수의 체크밸브로 이루어지며, 압축공기의 전달에 의하여 수직으로 왕복운동하도록 되어 있으며, 공기흡입구는 밸브수단의 왕복운동중에 외부공기를 도입하는 형상으로 되어 있으며, 여기서 외부공기는 밸브수단의 왕복운동중에 펌프되는 물의 흡입과 병렬적으로 도입되며, 그후 도입된 공기는 압축되고, 그후 압력으로부터 공기와 물을 해제함에 의하여 형성된 공기의 팽창력이 물의 펌프력으로 이용된다.

Drainage pump assembly

The invention relates to a drainage pump assembly comprising a drainage pump (2) and an outlet conduit (3) connected to said drainage pump (2), the drainage pump (2) comprising a pump chamber and being configured to pump liquid comprising solid matter. The drainage pump assembly is characterized in that the outlet conduit (3) comprises a sedimentation trap (9) having an inlet opening (11), an outlet opening (12) and a belly (13) located between said inlet opening (11) and said outlet opening(12), and a first conduit (10) extending between the pump chamber of the drainage pump (2) and the belly (13) of the sedimentation trap (9),wherein said first conduit (10) comprises a non-return valve (14), and wherein the outlet opening (12) of the sedimentation trap (9) is configured to be connected to a second conduit (15).

Efficient and energy-saving device for pumping oil

一种抽石油高效节能设备，属于石油开采设备；它的电磁线圈在油泵壳的外面，防护壳固定在油泵壳上，环形浮体固定在防护壳的下面，滤清器固定在油泵壳下端的进油孔处；出油阀固定在油泵壳的中心孔内，油泵壳内有铁芯弹簧和应磁活塞，铁芯弹簧压在应磁活塞上，密封帽密封进油腔的进石油的通道，密封板密封挤压腔的进石油的通道；应磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥，应磁活塞的下端有容纳孔。抽石油高效节能设备的结构紧凑、振动小、电能利用率高、动力强劲，抽送石油的效率高，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时泥沙和水分不进入油泵内；还能够自流输送石油，节约了电能。

Energy-saving, efficient and environment-friendly lubricating oil electromagnetic pump

一种节能高效环保润滑油电磁泵，属于内燃机的润滑技术；它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈在泵油壳的外面，泵油壳的下端固定在浮力壳内；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，过油密封板密封进油腔的进油通道和密封挤压腔的进油通道；铁芯活塞内的塞孔内固定有限制塞，铁芯活塞的环形密封面上安装有密封帽。节能高效环保润滑油电磁泵的结构紧凑、振动小、电能利用率高、动力强劲，不随内燃机的转速降低而降低润滑油的压力，保证了润滑表面的持续供油；漂浮在润滑油面上随润滑油面的变化而自动升高或下降，油底壳底部的金属销和沉淀物不能够进入油泵内。

Hydraulic paint pump.

Pump for variable dosing

Direct-compression electromagnetic engine oil pump

一种直压电磁机油泵，它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈固定在泵油壳的外面，泵油壳固定在浮力壳内；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，密封板密封进油腔、过油密封板密封挤压腔的进油通道；铁芯活塞上端的限位孔内固定有分油限制板，铁芯活塞的内锥孔内安装有密封锥或密封球，铁芯活塞的下端有容纳孔。直压电磁机油泵的结构紧凑、外观简洁、适用，泵机油时漂浮在机油面上，泵机油时油底壳底部的金属销和沉淀物不进入机油泵内，能够随机油位的升高或降低而自动升高或下降。

Piston pump for a vehicle hydraulic non-skid braking system has a spring as a wire spring clip for the valve closure body with an axial spring section and a radial holder section to the valve cartridge for low cost and easy installation

The piston pump, especially for hydraulic non-skid vehicle brakes, has at least one piston and a pressure valve (11) with a spring (16) and a valve closure body (15). The spring (16) is a wire clip spring with an axial spring section (21) and a radial holder section (22) to the valve cartridge (7).

Direct pressure engine oil supply electromagnetic pump

一种直压机油供油电磁泵，它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈在泵油壳的外面，泵油壳固定在浮力壳内；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，密封帽密封进油腔的进油通道，密封板密封挤压腔的进油通道；铁芯活塞上端的限位孔内固定有分油限制板，铁芯活塞的内锥孔内安装有密封球或密封锥。直压机油供油电磁泵的结构紧凑、外观简洁、适用，能够泵机油时漂浮在机油面上，沉淀在油底壳底部的金属销和沉淀物不进入机油泵内，能够随机油面的升高或降低而自动升高或下降。

High-efficient energy-saving environmentally-friendly wastewater drainage pump

一种高效节能排污环保泵，属于污水处理设备；它的上磁铁和下磁铁分别在泵污壳的外面，保护罩固定在泵污壳上，环形浮腔固定在保护罩的下面，滤渣器固定在泵污壳下端的进水孔处；排污阀固定在泵污壳的中心孔内，泵污壳内有受磁活塞，密封球或密封锥密封进水腔的进污水的通道、密封板密封挤压腔的进污水的通道；受磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥，受磁活塞的下端有容纳孔。高效节能排污环保泵的结构紧凑、振动小、电能利用率高、动力强劲，适合污水井中抽取污水和在污水污水沉淀池中抽取污水以及在水塔中抽取污水；抽排污水时污泥和泥浆不进入污水泵内；还能够自流输送污水，节约了电能。

Efficient, electromagnetic and energy-saving device for pumping oil

一种高效抽石油电磁节能设备，属于石油开采设备；它的电磁线圈在油泵壳的外面，防护壳固定在油泵壳上，环形浮体固定在防护壳的下面，滤清器固定在油泵壳下端的进油孔处；出油阀固定在油泵壳的中心孔内，油泵壳内有铁芯弹簧和应磁活塞，铁芯弹簧压在应磁活塞上，密封球或密封锥密封进油腔的进石油的通道、密封帽密封挤压腔的进石油的通道；应磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥，应磁活塞的下端有容纳孔。高效抽石油电磁节能设备的结构紧凑、振动小、电能利用率高、动力强劲，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时泥沙和水分不进入油泵内；还能够自流输送石油，节约了电能。

Piston for a piston pump with a two part inlet valve body

The invention relates to a piston, through which a fluid can flow, for a piston pump, which piston has a longitudinal bore into which a spring-loaded inlet valve body is inserted. In order to be able to bring a helical compression spring, which loads the inlet valve body, to bear against an annular shoulder in the longitudinal bore and to be able to check and if necessary improve its seating after installation, the invention proposes to produce the inlet valve body in two parts comprising the inlet valve disk and the inlet valve stem and to join these two parts to one another after the helical compression spring has been correctly inserted into the piston. The inlet valve disk can for example be joined to the inlet valve stem by ultrasonic welding, thermoplastic riveting or screwing.

A valve assembly

The present invention relates to a valve assembly (10) which is mounted on a part (piston unit 40) of an air motor (10) arranged for reciprocating movement in a housing (cylinder 12). The valve assembly includes a first valve unit (50), which is mounted on one side of the part (40), and a second valve unit (70), which is mounted on the other side of the part (40). The second valve unit is connected to the first valve unit (50) by means of the part (40) for common movement with the first valve unit relative to the part (40) when the valve assembly is switched as the part (40) reaches one of its two end turning-positions. In order to enable the valve assembly to be switched instantaneously and to eliminate the risk that switching the assembly will not take place, particularly when the motor is operated at a low speed, it is proposed in accordance with the invention, among other things, that each of the valve units (50 and 70 respectively) is produced from an elastomeric material and is provided with integrally formed spring elements (52 and 72 respectively) which will strike against solid abutments (18, 22) in the housing (12) upon mechanical switching of the valve assembly.

Gravity-assisted fluid pump

A gravity-assisted fluid pump includes a fluid reservoir, a piston, a valve element, a piston operator, and a valve operator. The piston is movably disposed within the fluid reservoir and is movable between an uppermost position and a lowermost position. The valve element is movable between a closed position and an open position. The piston operator moves the piston between the uppermost position and the lowermost position. The valve operator selectively moves the valve element between the closed position and an open position.

Electromagnetic high-efficient energy-saving wastewater drainage pump

一种排污电磁高效节能泵，属于污水处理设备；它的上磁铁和下磁铁分别在泵污壳的外面，保护罩固定在泵污壳上，环形浮腔固定在保护罩的下面，滤渣器固定在泵污壳下端的进水孔处；排污阀固定在中心孔内，泵污壳内有受磁活塞，密封球或密封锥密封进水腔的进污水的通道、过水密封板密封挤压腔的进污水的通道；受磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥，受磁活塞的下端有容纳孔。排污电磁高效节能泵的结构紧凑、振动小、电能利用率高、动力强劲，适合污水井中抽取污水和在污水污水沉淀池中抽取污水以及在水塔中抽取污水；抽排污水时污泥和泥浆不进入污水泵内；还能够自流输送污水，节约了电能。

Cleaning Unit

A cleaning unit for a window or a sensor in a motor vehicle includes a reservoir for a cleaning liquid, at least one cleaning nozzle provided in or on a cleaning nozzle unit, a fluid connection between the reservoir and the cleaning nozzle and at least one spray pump provided between the reservoir and the cleaning nozzle. The spray pump is formed by a piston-cylinder unit that has a cylinder axis and is provided in or on the cleaning nozzle unit. The cleaning unit is characterized in that the piston of the piston-cylinder unit is designed as an electromagnetically actuated piston, which can be actuated in a first direction under the action of an electromagnetic force directed along the cylinder axis, which first direction forms a compression direction.

Patent BE740996A

Plunger type pump

High-efficiency, energy-saving and environment-friendly lubricating oil pump

一种高效节能润滑油环保泵，属于内燃机的润滑技术；它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈在泵油壳的外面，泵油壳固定在浮力壳内；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，密封球或密封锥密封进油腔的进油通道、密封板密封挤压腔的进油通道；铁芯活塞内的塞孔内固定有限制塞，内锥孔内安装有密封球或密封锥，铁芯活塞的下端有容纳孔。高效节能润滑油环保泵的结构紧凑、振动小、电能利用率高、动力强劲，不随内燃机的转速降低而降低润滑油的压力，保证了润滑表面的持续供油；漂浮在润滑油面上随润滑油面的变化而自动升高或下降，油底壳底部的金属销和沉淀物不能够进入油泵内。

High-efficiency environmental-protection and energy-saving oil pump

一种高效环保节能石油泵，属于石油开采技术；它的浮力壳内安装有泵油壳、上磁体和下磁体，上磁体和下磁体分别在泵油壳的外面上面和下面，泵油壳的下端固定在浮力壳内；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯活塞，过油密封板密封进油腔的进油通道，密封帽密封挤压腔的进油通道；铁芯活塞内的塞孔内固定有限制塞，铁芯活塞的环形密封面上安装有密封帽。高效环保节能石油泵的结构紧凑、振动小、电能利用率高、动力强劲，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时漂浮在石油面上，能够随石油面的升高或降低而自动升高或下降，石油井中或沉淀池底部的泥沙和水分不能够进入油泵内。

High-efficiency energy-saving electromagnetic petroleum pumping equipment

一种抽石油高效节能电磁设备，属于石油设备；它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈固定在泵油壳的外面，泵油壳的下端固定在浮力壳内的下端；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧顶压在铁芯活塞的下端面，密封帽密封进油腔和挤压腔的进油通道；铁芯活塞内的塞孔内固定有限制塞，内锥孔内安装有密封球或密封锥。抽石油高效节能电磁设备的结构紧凑、动力强劲，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时漂浮在石油面上，能够随石油面的升高或降低而自动升高或下降，石油井中或沉淀池底部的泥沙和水分不能够进入油泵内；并且在关闭电源后也能够自流输送石油。

High efficiency, energy conservation and environmental protection equipment for pumping lubricating oil

一种高效节能泵润滑油环保设备，属于内燃机的润滑设备；它的电磁线圈在润滑油泵壳的外面，防护壳固定在润滑油泵壳上，环形浮体固定在防护壳的下面，滤清器固定在润滑油泵壳下端的进油孔处；出油阀固定在润滑油泵壳的中心孔内，润滑油泵壳内有铁芯弹簧和应磁活塞，铁芯弹簧压在应磁活塞上，密封球或密封锥密封进油腔的进润滑油的通道、密封板密封挤压腔的进润滑油的通道；应磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥，应磁活塞的下端有容纳孔。高效节能泵润滑油环保设备的结构紧凑、振动小、电能利用率高、动力强劲，适合于内燃机安装使用；泵送润滑油时金属销和沉淀物不进入润滑油泵内。

Petroleum pumping automatic flow energy-saving electromagnetic device

一种抽石油自流节能电磁设备，它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈固定在泵油壳的外面，泵油壳的下端固定在浮力壳内的下端；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，密封帽密封进油腔和挤压腔的进油通道；铁芯活塞上端的限位孔内固定有分油限制板，铁芯活塞的内锥孔内安装有密封球或密封锥，铁芯活塞的下端有容纳孔。抽石油自流节能电磁设备的结构紧凑、动力强劲，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时漂浮在石油面上，能够随石油面的升高或降低而自动升高或下降，石油井中或沉淀池底部的泥沙和水分不能够进入油泵内；并且在关闭电源后也能够自流输送石油。

Airless paint spray pump

(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。

Efficient, energy-saved and environment-friendly petroleum pumping device

一种高效抽取石油节能环保装置，属于石油开采设备；它的电磁线圈固定在油泵壳的外面，防护壳固定在油泵壳上，环形浮体固定在防护壳的下面，滤清器固定在油泵壳下端的进油孔处；出油阀固定在油泵壳的中心孔内，油泵壳内有铁芯弹簧和应磁活塞，铁芯弹簧顶压在应磁活塞的下端面，密封板密封进油腔、密封帽密封挤压腔的进石油的通道；应磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥。高效抽取石油节能环保装置的结构紧凑、振动小、电能利用率高、动力强劲，抽送石油的效率高，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时泥沙和水分不进入油泵内；还能够在关闭电源后自流输送石油，节约了电能。

Draining pump component

本发明涉及一种排水泵组件，该排水泵组件包括排水泵(2)和与所述排水泵(2)连接的出口导管(3)，该排水泵(2)包括泵腔室，并设置成泵送包含固体物质的液体。排水泵组件的特征在于，出口导管(3)包括：沉积阱(9)，该沉积阱有进口开口(11)、出口开口(12)以及位于所述进口开口(11)和所述出口开口(12)之间的凸起部(13)；以及第一导管(10)，该第一导管在排水泵(2)的泵腔室和沉积阱(9)的凸起部(13)之间延伸，其中，所述第一导管(10)包括止回阀(14)，该沉积阱(9)的出口开口(12)设置成与第二导管(15)连接。

Efficient, environment-friendly and energy-saving pump for lubricating oil

一种润滑油高效环保节能泵，属于内燃机的润滑技术；它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈固定在泵油壳的外面，泵油壳固定在浮力壳内；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，密封板密封进油腔、过油密封板密封挤压腔的进油通道；铁芯活塞内的塞孔内固定有限制塞，内锥孔内安装有密封球或密封锥，铁芯活塞的下端有容纳孔。润滑油高效环保节能泵的结构紧凑、振动小、电能利用率高、动力强劲，不随内燃机的转速降低而降低润滑油的压力，保证了润滑表面的持续供油；漂浮在润滑油面上随润滑油面的变化而自动升高或下降，油底壳底部的金属销和沉淀物不能够进入油泵内。

DRAIN PUMP ASSEMBLY

La invencion se refiere a un montaje de bomba de drenaje que comprende una bomba de drenaje (2) y un conducto de salida (3) conectado a esta bomba de drenaje (2), siendo que la bomba de drenaje (2) comprende una camara de bomba y se configura para bombear liquido que comprende materia solida. El montaje de bomba de drenaje se caracteriza en que el conducto de salida (3) comprende una trampa de sedimentacion (9) que tiene una abertura de entrada (11), una abertura de salida (12) y una combadura (13) localizada entre la abertura de entrada (11) y la abertura de salida (12), y un primer conducto (10) que se extiende entre la camara de bomba de la bomba de drenaje (2) y la combadura (13) de la trampa de sedimentacion (9) , en donde este primer conducto (10) comprende una valvula de retencion ( 14), y en donde la abertura de salida (12) de la bomba de sedimentacion (9) se configura para ser conectada a un segundo conducto (15). The invention relates to a drainage pump assembly comprising a drainage pump (2) and an outlet conduit (3) connected to this drainage pump (2), whereby the drainage pump (2) comprises a chamber pump and is configured to pump liquid comprising solid matter. The drain pump assembly is characterized in that the outlet conduit (3) comprises a sedimentation trap (9) having an inlet opening (11), an outlet opening (12) and a bend (13) located between the inlet opening (11) and the outlet opening (12), and a first conduit (10) extending between the pump chamber of the drain pump (2) and the bulge (13) of the sedimentation trap (9), where this first conduit (10) comprises a check valve (14), and where the outlet opening (12) of the sedimentation pump (9) is configured to be connected to a second conduit (15 ).

Environment-friendly downhole energy-saving device for petroleum pumping

一种抽取石油环保井下节能设备，属于石油设备；它的浮力壳内安装有上磁体、下磁体、泵油壳，上磁体和下磁体在泵油壳的外面，泵油壳固定在浮力壳内；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯活塞，密封球或密封锥密封进油腔的进石油通道、密封帽密封挤压腔的进石油通道；铁芯活塞上端的限位孔内固定有分油限制板，铁芯活塞的内锥孔内安装有密封球或密封锥，铁芯活塞的下端有容纳孔。抽取石油环保井下节能设备的结构紧凑、动力强劲，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时漂浮在石油面上，随石油面的变化而自动升高或下降，石油井中或沉淀池底部的泥沙和水分不能够进入油泵内；并且在关闭电源后也能够自流输送石油。

Efficient fuel supply energy saving equipment

一种供给燃油高效节能设备，属于内燃机的燃油供给设备；它的电磁线圈在燃油泵壳的外面，保护壳固定在燃油泵壳上，浮力壳固定在保护壳的下面，滤清器固定在燃油泵壳下端的进油孔处；出油阀固定在燃油泵壳的中心孔内，燃油泵壳内有铁芯弹簧和应磁活塞，铁芯弹簧压在应磁活塞上，密封帽密封进油腔的进燃油的通道，密封板密封挤压腔的进燃油的通道；应磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥，应磁活塞的下端有容纳孔。供给燃油高效节能设备的结构紧凑、振动小、电能利用率高、动力强劲，抽送燃油的效率高，适合于内燃机汽车安装使用；抽送燃油时杂质和水分不进入燃油泵内。

Energy-saving equipment for efficiently extracting oil

一种高效抽取石油节能设备，属于石油开采技术；它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈在泵油壳的外面，泵油壳的下端固定在浮力壳内；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，密封板密封进油腔的进油通道，密封球或密封锥密封挤压腔的进油通道；铁芯活塞内的塞孔内固定有限制塞，内锥孔内安装有密封球或密封锥，铁芯活塞的下端有容纳孔。高效抽取石油节能设备的结构紧凑、动力强劲，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时漂浮在石油面上，能够随石油面的升高或降低而自动升高或下降，石油井中或沉淀池底部的泥沙和水分不能够进入油泵内；并且在关闭电源后也能够自流输送石油。

Single acting piston pump

The pump (18) has a barrel (36) including a bore (38), an inlet (42) and an outlet (44). Check valves (70,80) control the flow offluid from the inlet to the outlet during reciprocation of a piston (50) within the bore (38). The piston (50) is driven by a cam (30) having a special profile cam surface with an idle surface (34) of at least 100 degrees. The flow area of the first check valve (70) is greater than that of the second check valve (80).

Direct voltage machine oil pump

一种直压机油泵，它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈固定在泵油壳的外面，泵油壳的下端固定在浮力壳内的下端；出油阀固定在泵油壳的中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，密封帽密封进油腔和过油密封板密封挤压腔；铁芯活塞上端的限位孔内固定有分油限制板，铁芯活塞的内锥孔内安装有密封锥或密封球，铁芯活塞的下端有容纳孔。直压机油泵的结构紧凑、外观简洁、适用，泵机油时漂浮在机油面上，泵机油时油底壳底部的金属销和沉淀物不进入机油泵内，能够随机油位的升高或降低而自动升高或下降。

Piston pump for raising liquids which easily evaporate at low temperature and are under vacuum

152,644. Zack, M. Oct. 10, 1919, [Convention date]. Pumps for volatile liquids; valve -gear.-Volatile liquid, such as liquid air, is pumped from a low-pressure vessel 1 by means of a pump 8, to which a portion of the same liquid in a high pressure vessel 3 is admitted at the beginning oi the suction stroke for the purpose of liquefying at least a portion of the vapours in the pump barrel .and repelling the residue through a spring- pressed valve 10 into a space 9' in the piston 9. During the remainder of the suction stroke the inlet valve 11 is open and liquid is drawn from the low-pressure vessel 1, the rotary valve 13 connecting the vessel 3 to the pump being closed during this period. The liquid is delivered during the down stroke through a valve 12 into a vessel 5 in which the pump is immersed, and in which the pressure is between the pressures in the vessels 1, 3. At the end of the suction stroke the vapour in the piston escapes through passages 17. 18. The valves 11, 12 are actuated by cams 14, 15 driven from the pump shaft through a chain 21, sprocket 20, and gear-wheels 19. The vessel 3 is fed from the vessel by another pump.

Plunger type pump

In a plunger pump a communication passage (72) is arranged in a plug (64) for closing a cylinder storing hole (16). The plug (64) is movable relative to the cylinder assembly (24) by a spring. An O-ring (74) for preventing the leakage of a fuel from faces opposed to the cylinder assembly (24) and the plug (64) is attached to the plug (64). When the fuel pressure within a fuel passage (32) is equal to or lower than a predetermined pressure, the O-ring (74) comes in contact with the cylinder assembly (24) by the spring (80), and the fuel leakage from the above opposed faces is prevented by the O-ring (74). If the fuel pressure within the fuel passage (32) is equal to or higher than the predetermined pressure, part of the fuel is vented to the exterior to reduce fuel pressure.

Electromagnetic automatic flow energy-saving device of petroleum pump

一种抽石油泵电磁自流节能设备，它的浮力壳内安装有泵油壳、电磁线圈，电磁线圈在泵油壳的外面，泵油壳固定在浮力壳内；出油阀固定在中心孔内，泵油壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，密封球或密封锥密封进油腔的进油通道、过油密封板密封挤压腔的进油通道；铁芯活塞上端的限位孔内固定有分油限制板，铁芯活塞的内锥孔内安装有密封球或密封锥，铁芯活塞的下端有容纳孔。抽石油泵电磁自流节能设备的结构紧凑、动力强劲，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时漂浮在石油面上，随石油面的升高或降低而自动升高或下降，石油井中或沉淀池底部的泥沙和水分不能够进入油泵内；并且在关闭电源后也能够自流输送石油。

Environment-friendly energy-saving fuel oil supply equipment

一种环保节能燃油供给设备，属于内燃机的燃油供给设备；它的电磁线圈在燃油泵壳的外面，保护壳固定在燃油泵壳上，浮力壳固定在保护壳的下面，滤清器固定在燃油泵壳下端的进油孔处；出油阀固定在燃油泵壳的中心孔内，燃油泵壳内有铁芯弹簧和应磁活塞，铁芯弹簧压在应磁活塞上，过油密封板密封进油腔的进燃油的通道，密封球或密封锥密封挤压腔的进燃油的通道；应磁活塞内的塞孔内固定有固定塞，应磁活塞的内锥孔内安装有密封球或密封锥。环保节能燃油供给设备的结构紧凑、振动小、电能利用率高、动力强劲，适合于内燃机汽车安装使用；抽送燃油时杂质和水分不进入燃油泵内。

Piston pump with filter piston

A piston pump comprised of a cylinder ( 2 ), an automatically closing intake valve ( 3 ) to a pump chamber ( 4 ), a sealing reciprocating piston ( 5 ) and a sealing upstream filter piston ( 7 ), wherein the piston ( 5 ) together with the filter piston ( 7 ) are elastically spring-biased and axially limitedly moveable and form together with the filter piston ( 7 ) an automatically closing discharge valve ( 8 ).

Drainage pump assembly

Asiento de válvula de bomba con retención complementaria

Un asiento de válvula que comprende un componente de retención primario para retener el asiento de válvula en un alojamiento de asiento de válvula tras asentar el asiento de válvula en el alojamiento de asiento de válvula y un componente de retención secundario para al menos retener temporalmente el asiento de válvula en el alojamiento de asiento de válvula durante el asentamiento del asiento de válvula en el alojamiento de asiento de válvula, después de lo cual el asiento de válvula es retenido principalmente en el alojamiento de asiento de válvula mediante el componente de retención primario.

Kolbenpumpe zur Zuführung von Gasöl zu Dieselmotoren

Reciprocating compressor provided with arrangement of suction valves

The present invention refers to a reciprocating compressor provided with an arrangement of suction valves and, more particularly, a reciprocating compressor which, capable of operating with at least two suction lines having different working pressures, is made up of an arrangement of valves comprising at least two "orifice valve" sets. One of these sets provides a semi- commanded valve, whereas the other set provides an automatic valve. The core of the invention is related to the fact that said "orifice valve" sets are disposed on different components of the reciprocating compressor.

Valvola di ritegno per una pompa a stantuffo

一种车载电动无油空气压缩机

本发明涉及一种车载电动无油空气压缩机，包括电机（1）、箱体（3）、活塞（21）和飞轮轴（30），电机（1）固定在箱体（3）上，箱体（3）的顶部布置有缸盖（10）；电机（1）的主轴上安放有联轴器主动端（32），通过弹性体（31）带动飞轮轴（30）旋转，其特征在于：活塞（21）上布置有一级进气阀片（8），一级排气阀片（7）；箱体（3）上设有二级腔（14），该腔体的一侧通气孔处布置有二级排气阀片（15）；一级排气阀片（7）也为压缩机的二级进气阀片，从而提高排气压力，此活塞往复运动时，受力平衡振动小，并辅以高效的飞轮，使得空压机运行平稳。

Valve assembly for a fluid end with limited access

A valve assembly comprising a valve seat, a valve body, a valve spring, and a valve guide, wherein the valve seat and/or a valve seat housing in which the valve seat is seated comprises a plurality of grooves; wherein the valve body comprises a first side comprising a valve seat contact surface, and a second side comprising a coupler actuating feature; and wherein the valve guide comprises a coupler, and a plurality of wings, wherein the valve guide comprises a valve guide end distal the coupler, wherein, when the valve guide is coupled to the valve body via the coupler, the valve guide end distal the coupler extends a greater radial distance from the central axis of the valve body than the plurality of wings, and wherein the valve guide can be coupled to or decoupled from the valve body via the coupler by actuating the coupler actuating feature.

Hydraulische farbenpumpe.

Pumpe und generatoranordnung

Two-stroke pumping method and oil production device

The present disclosure provides a two-stroke pumping method and oil production device, and relates to the technical field of oil production. The oil production device comprises a pump body, wherein the oil production device further comprises a central tube of a hollow structure, and the central tube is partially located in the pump body and coaxially arranged with the pump body; a traveling valve and a standing valve are arranged on the left side and the right side of the outer wall of the central tube respectively, and the traveling valve is arranged between the pump body and the central tube; the standing valve is located outside the pump body; the traveling valve and the standing valve are matched with the pump body and the central tube to form an oil pumping space; and an oil pumping assembly is further arranged in the oil pumping space.

ポンプ体構造、圧縮機及び熱交換機器

Flexible manifold for reciprocating pump

A pump comprising a bore pump fluid end having a reciprocating element bore, a discharge valve assembly comprising a discharge valve seat and a discharge valve body, and a suction valve assembly comprising a suction valve seat and a suction valve body; a hollow, cylindrical reciprocating element; a hollow reciprocating element adapter comprising a first end having a fluid inlet opposite a second end having a fluid outlet, wherein the second end of the reciprocating element adapter is connected to and in fluid communication with the fluid intake end of the reciprocating element; a pump power end having a push rod connected to the first end of the reciprocating element adapter; and a movable manifold comprising a reciprocating element end and a fluid intake end, wherein the reciprocating element end of the movable manifold is connected to and in fluid communication with the fluid inlet of the reciprocating element adapter.

抽石油高效环保节能泵

一种抽石油高效环保节能泵，属于石油开采设备；它的上磁体和下磁体分别在油泵壳的外面，防护壳固定在油泵壳上，环形浮体固定在防护壳的下面，滤清器固定在油泵壳下端的进油孔处；出油阀固定在油泵壳的中心孔内，油泵壳内有应磁活塞，密封板密封进油腔、过油密封板密封挤压腔的进石油的通道；应磁活塞内的塞孔内固定有固定塞，内锥孔内安装有密封球或密封锥，应磁活塞的下端有容纳孔。抽石油高效环保节能泵的结构紧凑、振动小、电能利用率高、动力强劲，抽送石油的效率高，适合石油井中抽取石油和在石油沉淀池中抽取石油；抽石油时泥沙和水分不进入油泵内；还能够在关闭电源后自流输送石油，节约了电能。

Pump fluid end with suction valve closure assist

A pump fluid end having a reciprocating element a discharge valve assembly, a suction valve assembly, and a suction valve stop. The reciprocating element is disposed at least partially within a reciprocating element bore of the pump fluid end. The suction valve assembly is coupled with a front end of the reciprocating element. The suction valve stop is positioned within the reciprocating element bore such that the suction valve stop contacts and applies a closing force to the suction valve assembly when the suction valve assembly is stuck open at the end of a discharge stroke of the reciprocating element.

Sección fluidos de bomba con indiferencia posicional para mantenimiento

Un ensamblaje de empaque para una sección de fluidos de bomba que comprende: un tornillo de empaque, un portador de empaque y un empaque, donde cada uno del tornillo de empaque, el portador de empaque y el empaque es cilíndrico y tiene un ancho medido a lo largo de su eje central inferior a una distancia de separación mínima de una bomba que comprende la sección de fluidos de bomba y un terminal de potencia de bomba, en la que la sección de fluidos de la bomba comprende un orificio del elemento alternativo en el que se puede alternar un elemento alternativo a través del terminal de potencia de la bomba, mediante conexión del elemento alternativo con un adaptador del elemento alternativo acoplado con una varilla de empuje y un cigüeñal del terminal de potencia de la bomba, donde la distancia de separación mínima es una distancia axial medida a lo largo del eje central entre una parte trasera de la sección de fluidos de la bomba y un extremo delantero del adaptador del elemento alternativo, cuando el cigüeñal del terminal de potencia de la bomba se encuentra en un punto muerto superior.

Pump valve seat with supplemental retention

A valve seat comprising a primary retention component to retain the valve seat in a valve seat housing upon seating of the valve seat in the valve seat housing, and a secondary retention component to at least temporarily retain the valve seat in the valve seat housing during seating of the valve seat in the valve seat housing, whereafter the valve seat is primarily retained in the valve seat housing via the primary retention component.

环保排污泵电磁节能设备

一种环保排污泵电磁节能设备，它的浮力壳内安装有泵水壳、电磁线圈，电磁线圈在泵水壳的外面，泵水壳固定在浮力壳内；出水阀固定在泵水壳的中心孔内，泵水壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，密封球或密封锥密封进水腔的进水通道、密封帽密封挤压腔的进水通道；铁芯活塞上端的限位孔内固定有分水限制板，铁芯活塞的内锥孔内安装有密封球或密封锥。环保排污泵电磁节能设备的结构紧凑、动力强劲，方便移动抽污水和排除污水的作业；抽污水时漂浮在污水面上随污水位的降低而自动下降，抽污水时污水底部的泥沙和污泥不进入水泵内，并且在关闭电源后也能够自流排送污水；适合于污水池排除污水和堵塞的污水沟排除污水。

排污泵电磁环保节能设备

一种排污泵电磁环保节能设备，它的浮力壳内安装有泵水壳、电磁线圈，电磁线圈在泵水壳的外面，泵水壳固定在浮力壳内；出水阀固定在中心孔内，泵水壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，密封球或密封锥密封进水腔的进水通道、过水密封板密封挤压腔的进水通道；铁芯活塞上端的限位孔内固定有分水限制板，铁芯活塞的内锥孔内安装有密封球或密封锥。排污泵电磁环保节能设备的结构紧凑、动力强劲，方便移动抽污水和排除污水的作业；抽污水时漂浮在污水面上随污水位的降低而自动下降，抽污水时污水底部的泥沙和污泥不进入水泵内，并且在关闭电源后也能够自流排送污水；适合于污水池排除污水和堵塞的污水沟排除污水。

排污环保电磁节能设备

一种排污环保电磁节能设备，它的浮力壳内安装有泵水壳、电磁线圈，电磁线圈固定在泵水壳的外面，泵水壳的下端固定在浮力壳内的下端；出水阀固定在泵水壳的中心孔内，泵水壳内有铁芯弹簧和铁芯活塞，铁芯弹簧压在铁芯活塞上，密封帽密封进水腔和挤压腔的进水通道；铁芯活塞上端的限位孔内固定有分水限制板，铁芯活塞的内锥孔内安装有密封球或密封锥。排污环保电磁节能设备的结构紧凑、动力强劲，方便移动抽污水和排除污水的作业；抽污水时漂浮在污水面上随污水位的降低而自动下降，抽污水时污水底部的泥沙和污泥不进入水泵内，并且在关闭电源后也能够自流排送污水；适合于污水池排除污水和堵塞的污水沟排除污水。

Pump fluid end with easy access suction valve

A pump fluid end comprising a discharge valve assembly comprising a discharge valve seat and a discharge valve body, a suction valve assembly comprising a suction valve seat and a suction valve body, and a reciprocating element, wherein an inside diameter of the discharge valve seat is greater than an outside diameter of the suction valve body, the suction valve seat, the reciprocating element, or a combination thereof.

Pump fluid end with suction valve closure assist

A pump fluid end having a reciprocating element a discharge valve assembly, a suction valve assembly, and a suction valve stop. The reciprocating element is disposed at least partially within a reciprocating element bore of the pump fluid end. The suction valve assembly is coupled with a front end of the reciprocating element. The suction valve stop is positioned within the reciprocating element bore such that the suction valve stop contacts and applies a closing force to the suction valve assembly when the suction valve assembly is stuck open at the end of a discharge stroke of the reciprocating element.