EP3081741B1 - Pompe - Google Patents

Pompe Download PDF

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Publication number
EP3081741B1
EP3081741B1 EP16164888.6A EP16164888A EP3081741B1 EP 3081741 B1 EP3081741 B1 EP 3081741B1 EP 16164888 A EP16164888 A EP 16164888A EP 3081741 B1 EP3081741 B1 EP 3081741B1
Authority
EP
European Patent Office
Prior art keywords
spring
housing part
ring
pump
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16164888.6A
Other languages
German (de)
English (en)
Other versions
EP3081741A2 (fr
EP3081741A3 (fr
Inventor
Claus Welte
Uwe Dr. Meinig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schwaebische Huettenwerke Automotive GmbH
Original Assignee
Schwaebische Huettenwerke Automotive GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=55754134&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3081741(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schwaebische Huettenwerke Automotive GmbH filed Critical Schwaebische Huettenwerke Automotive GmbH
Priority to EP19202347.1A priority Critical patent/EP3617447B1/fr
Priority to EP23171945.1A priority patent/EP4234883A1/fr
Priority to EP19162589.6A priority patent/EP3521560B1/fr
Priority to EP23174113.3A priority patent/EP4234931A3/fr
Publication of EP3081741A2 publication Critical patent/EP3081741A2/fr
Publication of EP3081741A3 publication Critical patent/EP3081741A3/fr
Application granted granted Critical
Publication of EP3081741B1 publication Critical patent/EP3081741B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0007—Radial sealings for working fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/005—Structure and composition of sealing elements such as sealing strips, sealing rings and the like; Coating of these elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F01C21/104—Stators; Members defining the outer boundaries of the working chamber
    • F01C21/108—Stators; Members defining the outer boundaries of the working chamber with an axial surface, e.g. side plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/02—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for several machines or pumps connected in series or in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0023—Axial sealings for working fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F04C2/3445—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the vanes having the form of rollers, slippers or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3446—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along more than one line or surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3448—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member with axially movable vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
    • F01M2001/023—Piston pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
    • F01M2001/0238—Rotary pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0292—Sealings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings

Definitions

  • the invention relates to a pump, in particular a positive displacement pump for a liquid, such.
  • a pump for example, oil.
  • the pump can z. B. be configured as a vane pump or rotary vane pump, internal or external gear pump, pendulum vane pump or roller-cell pump.
  • the pump is particularly suitable for installation in a vehicle, such. B. a motor vehicle and / or to supply a consumer in a motor vehicle.
  • the consumer can z.
  • a transmission such as. B. be a steering gear or automatic transmission.
  • a first aspect relates to the support of a spring which acts between a receiving housing and a pump insert inserted in the receiving housing.
  • a second aspect relates to the combination of a seal with a spring acting between the receptacle housing and the pump insert.
  • a third aspect relates to the sealing of pressure chambers of a multi-stroke pump to each other.
  • a so-called cartridge pump which comprises a pump assembly or a pump insert which essentially consists of a rotor, a lifting ring, a pressure plate, pressing pins and a spring element.
  • the rotor is rotatably received between the pressure plate and the side plate and is surrounded by the cam ring, which is also disposed between the pressure plate and the side plate.
  • Several pressing pins which are pressed axially into the pressure plate and penetrate the side plate and the cam ring, secure the pressure plate, the side plate and the cam ring rotationally and axially fixed to each other.
  • the spring element is attached to the pressure plate.
  • the pump insert is inserted into a pot-shaped housing, wherein the spring element is supported on the bottom or an end wall of the cup-shaped housing.
  • the housing is closed by a housing cover, which holds the pump insert in its installed position.
  • the spring element supports itself with two spring tongues on a cold start plate, which in turn is supported on the pressure plate 17.
  • the pump has a sealing arranged between the end wall and the pressure plate, which seals a first pressure chamber and a second pressure chamber to each other, wherein the pressure chambers between the end wall and the pressure plate are arranged.
  • the seal is a separate part of the spring element.
  • the EP 0 415 089 A2 describes an axial seal with a locking ring and a sealing ring integrally attached thereto.
  • the locking ring consists of a thermoplastic material with an extrusion-resistant core and a somewhat resilient surface, which is pressed against the wall of the gap to be sealed due to the compressed sealing ring and the oil pressure.
  • a pump insert arranged in a pot-shaped pump housing part has a pressure plate, wherein the axial seal is arranged between the pressure plate and an end wall of the pump housing part.
  • a separate from the axial seal valve spring acts between an end wall of the pump housing part and the pressure plate. The valve spring is supported by a valve on the pressure plate.
  • the valve is supported centrally, ie in the area of an axis of rotation of a rotor of the pump insert on the pressure plate.
  • the EP 0 415 089 A2 shows embodiments with an axial seal or multiple axial seals, wherein the axial seal or axial seals seal a suction-side region of a pressure-side region.
  • the suction-side region and the pressure-side region are arranged between the end wall and the pressure plate.
  • the first aspect is based on the object to avoid caused by the spring force adverse deformation of the pump cover and / or the end wall of the receiving housing as possible.
  • the second aspect is the object of facilitating the mountability of the pump insert in the receiving housing.
  • the third aspect is the object of specifying a space-saving pump which can supply different fluid circuits with pressurized fluid.
  • the invention relates to a pump, in particular positive displacement pump, such. B. vane or rotary vane pump or a gear pump or a pendulum vane pump or a roller-cell pump.
  • the pump comprises a receiving housing, which forms a pot-shaped receiving space with an end wall and a peripheral wall, and a Pump insert, which is arranged or used in the receiving space in particular as a separate from the receiving housing manageable unit.
  • the pump insert can be supported or centered on the peripheral wall of the pot-shaped receiving space or can form with the peripheral wall at least one sealing gap running around the circumference. The pump insert can thus be guided by the peripheral wall.
  • the pump insert comprises a housing which encloses a pump space.
  • a rotor is rotatably arranged about an axis of rotation relative to the housing.
  • the pump comprises the rotor and at least one first housing part, in particular a first housing cover, and a second housing part, in particular a second housing cover, between which the rotor is rotatable about an axis of rotation relative to the first and second housing parts.
  • the rotor may be directly or indirectly connected torque transmitting with a pump shaft or connectable, such. B. via a shaft-hub connection. When the pump shaft is rotated relative to the first and second housing parts, the rotor rotates.
  • the rotor has recesses, in particular guides, such. B.
  • conveying elements such. B. wings, slides or rollers, radially to the axis of rotation movable, in particular slidably received.
  • the conveying elements are received or supported by the rotor so that they rotate with the rotor about its axis of rotation.
  • each of the conveying elements is slidably mounted in its guide with a single translational degree of freedom.
  • the pump shaft may extend through the housing and be rotatably mounted about the axis of rotation on the housing, such. B. with a first portion on the first housing part and with a second portion on the second housing part.
  • An outer structure for the shaft-hub connection can be formed between the first section and the second section of the pump shaft.
  • the rotor and the pump shaft can by means of a z. B. straight toothed shaft-hub connection to be rotationally connected.
  • the shaft-hub connection has an internal toothing with a plurality of teeth and engaging in the internal toothing external toothing with a plurality of teeth.
  • a third housing part namely a cam ring
  • the lifting ring surrounds the rotor over its circumference.
  • the lifting ring may be a separate part from the first and second housing part.
  • the cam ring may be a portion of the first housing portion formed by the first housing portion or a portion of the second housing portion formed by the second housing portion.
  • the first housing part or the second housing part or both may surround the rotor and in particular its conveying elements, such. B. annular surrounded when the cam ring is part of the first or second housing part.
  • the first housing part, the second housing part and the lifting ring capture and define a pump chamber in which the rotor and the conveying elements are arranged.
  • a conveyor cell is formed which is circumferentially bounded by an inner peripheral surface of the cam ring and in the direction of the axis of rotation of the first housing part on one side and of the second housing part on the other side and whose volume is a function of the rotational position of the rotor changed around its axis of rotation.
  • the pump has a plurality of conveying elements and thus a particular same plurality of conveying cells, which are formed between the conveying elements.
  • the inner circumference of the cam ring has a contour along which the conveyor elements slide during a rotation of the rotor.
  • the contour is designed such that the volumes of the delivery cells moving through the delivery chamber due to the rotation of the rotor first increase and then decrease.
  • the conveying elements are at least once away from the axis of rotation and moved to the axis of rotation.
  • the pump can z. B. double-stroke, ie be formed with a first delivery chamber and a second delivery chamber, which are each traversed once by the delivery elements or the delivery cells in a full revolution. That is, that the conveying elements in a complete revolution alternately twice away from the axis of rotation and twice towards the axis of rotation to be moved.
  • the pump or the pump insert may have at least one inlet channel which opens into the region of the delivery chamber in which the volume increase of the delivery cell takes place and at least one outlet channel which opens into the region of the delivery chamber in which the volume reduction of this delivery cell takes place. Due to the increase in volume of the delivery cell, the at least one inlet channel acts as a suction channel. Due to the reduction in volume, the at least one outlet channel acts as a pressure channel.
  • a single-stroke pump can, for. B. have an inlet channel and an outlet channel.
  • a double-stroke pump can, for. B. have a common inlet channel for the first and second delivery chamber and a first outlet channel for the first delivery chamber and a separate second outlet channel for the second delivery chamber.
  • the pump insert may have a first inlet channel for the first delivery chamber and a separate second inlet channel for the second delivery chamber and a first outlet channel for the first delivery chamber and a separate second outlet channel for the second delivery chamber or a common outlet channel for the first and second Have delivery chamber.
  • first delivery chamber fluid z. B.
  • other or the same consumers are supplied as with the funded via the second delivery chamber fluid.
  • different pressure levels can arise between the first outlet channel and the second outlet channel or between the first pressure chamber into which the first outlet channel opens and the second pressure chamber into which the second outlet channel opens.
  • the conveying elements and / or the rotor each form a pressure gap with the first housing part and the second housing part.
  • the at least one inlet channel can be connected to a fluid reservoir, such. B. be connected to an oil reservoir or are, in particular in fluid communication.
  • the at least one suction channel can open into a suction chamber, the z. B. between the receiving housing and the pump insert may be formed, in particular between the peripheral wall of the receiving housing and the pump insert, such. B. the cam ring.
  • the at least one outlet channel can with be connected to at least one fluid consumer, such. B. are in fluid communication with a transmission.
  • the pump insert has at least one positioning element, which positions the second housing part with respect to its angular position about the axis of rotation relative to the first housing part.
  • the at least one positioning element may be formed by the first housing part, in particular in one piece or monolithically.
  • the at least one positioning element may be formed as a separate part from the first housing part, which is anchored in the first housing part.
  • the positioning element can be screwed or pressed into the first housing part, d. H. be anchored positively and / or non-positively.
  • the at least one positioning element anchored in the first housing part cohesively, such. B. glued, soldered or welded.
  • the first housing part can have a bore for each positioning element, in which one end of the positioning element is inserted and thereby anchored in the first housing part. For example, two, three, four or even more positioning elements can be provided.
  • the at least one positioning element may in particular be pin-shaped or cylindrical.
  • the end of the positioning member opposite the anchored end may have the same outer diameter as the anchored end.
  • the second housing part and in particular also the cam ring can be mounted against rotation about the rotational axis on the at least one positioning element.
  • the at least one positioning element may be provided by a per each positioning element provided recess of the second housing part, such as. B. through a hole or through hole, extend.
  • the at least one positioning element can be z. B. extend through a recess of the cam ring, the z. B. may be formed as a bore, slot or the like.
  • the at least one positioning element with its end which is opposite to the end anchored in the first housing part, protrude from the second housing part, in particular protrude from the end face of the second housing part, which is the end face opposite, which faces the rotor or which faces the end wall of the receiving housing.
  • the pump or the pump insert has a spring, which is supported on the second housing part and on the bottom or the end wall of the receiving housing.
  • the receiving housing can as mentioned z. B. cup-shaped.
  • the peripheral wall of the receiving housing may extend around the axis of rotation of the rotor.
  • the end wall is arranged frontally of the peripheral wall, so that the receiving housing is cup-shaped.
  • the tensioned between the end wall and the pump insert spring seeks to push the pump insert, in particular the second housing part of the end wall of the receiving housing.
  • Falling out of the pump insert from the receiving housing is z. B. by a cover or an axial securing element, wherein the tensioned on insertion spring presses the pump insert, in particular the first housing part against the axial securing element or the lid, wherein the axial securing element or the cover prevents the spring relaxed.
  • the axial securing element may, for. B. be annular and in an annular groove which is formed on the preferably cylindrical periphery of the receiving housing, be used.
  • the axial securing element may be formed by a cover which closes the opening at least partially or completely.
  • the tensioned between the pump insert and the end wall spring exerts a pointing away from the end wall and in particular along, i. acting in the direction of the axis of rotation of the rotor force on the second housing part, which is thereby pressed against the cam, wherein the cam ring is pressed against the first housing part.
  • the abutment for this forms the lid or the axial securing element. Due to the spring force of the cam ring is axially sealed with respect to the first and second housing part, which can build up when starting the pump pressure in the delivery chamber or the delivery chambers.
  • the spring is in particular captively secured to the pump insert, namely on the at least one positioning or the second housing part.
  • the spring can z. B. with the positioning or the second housing part form fit, in particular be snapped or positively connected, so that the spring is held on the at least one positioning or the second housing part and preferably supported on the second housing part or can support. It is preferred that the spring is secured against rotation about the axis of rotation, in particular with positive and / or non-positive locking, to which at least one positioning element or the second housing part is fastened.
  • the spring may comprise or form at least one fastening element, in particular on or in the region of a support section, with which the spring is supported on the second housing part or on a part which is supported indirectly or directly on the second housing part.
  • the at least one fastening element can serve as a support section or a fastening element can be provided for each support section.
  • the spring can be fastened or fastened to the at least one positioning element or the second housing part.
  • the fastener which z. B. is configured for a positive connection with its associated positioning, may be snapped with the positioning.
  • the at least one positioning element may have a recess, such. B. have an annular groove over its circumference, in which engages the at least one fastening element of the spring.
  • Such an annular groove may be formed as a recess.
  • the at least one fastening element can be configured in the form of a retaining disk or a serrated ring, similar to securing disks for shafts according to DIN 6799 or retaining rings for shafts according to DIN 471, in particular with the difference that they are formed by the spring, namely can be formed on the support portion.
  • the securing element in particular the z. B. according to DIN 6799 designed lock washer or configured according to DIN 471 Seeger ring actually be a disc or a ring, ie not be formed on the spring and z. B. only serve that the second housing part is not axially removable from the positioning.
  • the spring may be attached to the second housing part or on the securing element or enclosed between the securing element and the second housing part, wherein the fastening element of the spring may be attached to the positioning element.
  • the positioning element z. B.
  • the spring may be attached to the second housing part or to the head or enclosed between the head and the second housing part, wherein the fastening element of the spring may be attached to the positioning element.
  • the recess can be an annular groove extending over the circumference of the cylindrical or pin-shaped positioning element, which has a width extending along the longitudinal axis of the positioning element, which is dimensioned such that the fastening element of the spring interacts with the longitudinal axis in the annular groove is included. In this way it can be ensured that the support section or the fastening section of the spring is supported on the second housing part and not on a groove flank of the annular groove.
  • the second housing part may have on an inner peripheral surface or an outer peripheral surface a groove which is at least partially or completely circumferential around the rotational axis of the rotor and which is open inwardly or outwardly, the spring ie One or more portions of the spring in the groove attached to the second housing part, in particular bordered by the groove.
  • the groove width is slightly larger than the thickness of the portions of the spring, which are arranged in the groove for fastening.
  • the spring can be elastically compressed laterally, with the spring placed in the immediate vicinity of the groove and then released.
  • the spring Due to the elasticity of the spring this takes back their original shape, whereby the spring or portions thereof engage in the groove and secure the spring captive on the second housing part.
  • the spring may have an oval shape or protrusions forming said portions, with the circumferential groove or groove extending in a circle about the axis of rotation.
  • the pump may have a pump shaft which is rotationally connected to the rotor and rotatable about the axis of rotation.
  • the pump shaft can at least in the first Be rotatably mounted housing part.
  • the pump shaft may be rotatably mounted in the second housing part, in particular in a bag-shaped recess or in a continuous recess, in particular bore, through the second housing part.
  • the bag-shaped recess has the advantage that the pump chamber is sealed to the side facing away from the pump chamber end face of the second housing part.
  • the continuous recess has the advantage that it is easy to manufacture and ensures greater stability.
  • the bearing or bearings can be sliding or roller bearings.
  • the pump shaft may have a structure, in particular an outer toothing for a shaft-hub connection with the rotor.
  • the diameter of the structure may be larger than the inner diameter of the first housing part and / or the second housing part or the bearings.
  • the structure is thus between the first housing part and the second housing part along, i. edged in the direction of the axis of rotation. This will cause the shaft can not be pulled out of the fully assembled pump insert.
  • the first housing part, the second housing part, the lifting ring, the rotor, the conveying elements, the positioning elements, the spring and the pump shaft can essentially form the pump insert, which can be handled as a unit.
  • the fact that the spring is attached to the at least one positioning element, a falling apart of the pump insert can be avoided.
  • the fastening portions of the spring and / or the fuse elements separate from the spring cause an axial shaft safety, so that the pump insert does not fall apart.
  • the receiving housing, z. B. may be formed by a transmission housing for a motor vehicle, be taken or used in the receiving housing, for. B. over one of the end wall opposite opening of the receiving housing.
  • a (second) seal in particular a sealing ring can be arranged between the second housing part and the receiving housing, in particular peripheral wall, which has a pressure space, which is formed essentially between the end wall and the second housing part, with respect to a suction space. of the is formed between the peripheral wall and the first housing part and / or the lifting ring, seals.
  • the pressure chamber can be connected to the at least one delivery chamber by means of the at least one outlet channel.
  • a (first) seal in particular a sealing ring can be arranged, wherein the suction space is arranged between the first and second seal.
  • the first seal can cause the sealing of the suction chamber to the outside or to the opening of the receiving housing.
  • the second housing part acts like a piston which increases the pressure along or in the direction of the axis of rotation on the Axialommeselement or the lid when pressure is increased in the pressure chamber and thus also the parts the pump insert, in particular the first housing part, the second housing part and the cam ring sealingly abuts against each other with an increasing force with increasing delivery pressure and in particular in addition to the force of the prestressed spring.
  • the resiliently arranged between the receiving housing and the second housing, in particular tensioned spring is supported to the second housing part substantially in a region which is arranged in the direction of the axis of rotation of the rotor in axial alignment with the cam ring, and thereby , ie by the support in alignment with the cam ring, the second housing part presses against the cam ring.
  • an escape means in an imaginary axial extension of the wall of the cam ring along or in the direction of the axis of rotation.
  • the spring element In the WO 2013/185751 A1 is supported by the spring element with its two spring tongues on a cold start plate and in a range which lies outside the axial alignment with the cam ring, namely within the inner contour of the cam ring.
  • the spring has a spring structure made of metal, in particular of steel or spring steel, wherein the spring structure made of metal of the spring gives its essential spring property along or in the direction of the axis of rotation.
  • the spring z. B. may be coated or overmolded with another material, which also has a spring property, although this is negligible relative to the spring structure made of metal.
  • the spring may be indirectly or directly supported on the second housing part.
  • an intermediate part between the second housing part and the spring may be arranged, wherein the spring is supported on the intermediate part.
  • the intermediate part can be supported on the second housing part, preferably also in a region which is arranged in axial alignment with the lifting ring in the direction of the axis of rotation.
  • the intermediate part can, for. B. a so-called cold start plate or a plate-like structure such. As a perforated (metal) sheet or a screen structure, or be.
  • the intermediate part can, for. B. edged or arranged between the spring and the second housing part and / or held on the at least one positioning or fixed, such. B. per positioning, to which it is attached, have a recess or bore through which extends the relevant positioning.
  • the intermediate part may have at least one region with the sieve-like structure or at least one perforated region, such as eg. B. a single, two or even more such areas.
  • the intermediate part is in particular arranged such that the at least one region is traversed by the liquid conveyed out of the at least one delivery chamber.
  • the pressure increases on the inflow side, ie, on the side of the intermediate part, which is flowed by the liquid from the at least one delivery chamber.
  • the pump On the inflow side of the intermediate part, the pump insert, in particular the second housing part, at least one connecting channel, which the underfloor chambers, d. H. the chambers formed in the slots in which the wings are guided and extending radially between one end of the respective wing and the bottom of the respective slot, with which supplies from the at least one delivery chamber conveyed liquid.
  • the dynamic pressure generated by the through-flow region of the intermediate part causes a faster extension of the blades during cold start and thus generally a faster pressure build-up by the pump.
  • the intermediate part and / or the spring, on which the intermediate part can be resiliently supported, for example, or in addition to the sieve-shaped or perforated structure, can be made so flexible that the intermediate part at least partially lifts off from the second housing part when a limit pressure is reached Liquid from the delivery chamber can flow through a gap formed between the intermediate part and the second housing part.
  • the spring is supported, in particular with its end pointing towards the receiving housing or towards the end wall, substantially in a region on the receiving housing, in particular on the end wall, which is arranged in the direction of the axis of rotation in axial alignment with the lifting ring.
  • An advantage here is that a deformation of the end wall can be avoided by the spring force.
  • the cross section, which surrounds the spring in particular annular has a relatively large diameter, in particular approximately at least the inner diameter or the smallest inner diameter of the cam ring. This advantageously achieves that the cross section surrounded by the spring is relatively large and thus offers the possibility to seal a particular annular seal, in particular axial seal between the second housing part and the end wall of the receiving housing to z.
  • a sealing element may be arranged, which surrounds the pressure chamber in particular annular.
  • the spring may be annular and a pressure chamber, in particular a first pressure chamber, over that of the second Housing part formed outlet, in particular the first outlet, with the delivery chamber, in particular the first delivery chamber, is connected, at least partially surrounded.
  • the spring may be arranged in the first pressure chamber.
  • the seal which is also referred to herein as a sealing element, annularly surround the second pressure chamber, wherein the first pressure chamber formed between the end wall of the receiving housing and the second housing part is sealed by means of the sealing element to the second pressure chamber.
  • the first pressure chamber can be connected via a first feed branch to other fluid consumers than the second pressure chamber, which is connected to fluid consumers via a second feed branch, which is separate from the first feed branch.
  • the arranged between the end wall and the second housing part spring may, for. B. a corrugated ring spring, a multi-corrugated spring washer, a hose or bow spring, a U-ring spring, a (metal) C-ring or a (metal) O-ring.
  • a multi-wave spring washer may comprise or consist of a spring structure of metal, in particular steel, wherein the spring structure is formed of a flat or round material, which forms a particular closed ring.
  • the spring is corrugated at least in the unloaded state over the circumferential direction of the ring, d. H. wavy or with multiple waves, in particular designed with several wave crests and troughs.
  • the wave height extends along or in the direction of the axis of rotation or substantially perpendicular or normal to the plane which is spanned by the annular spring structure.
  • the multi-corrugated spring has the advantage that it can be used very space-saving.
  • a corrugated spring may comprise or consist of a spring structure formed from a flat or round material, which winds helically about a spring longitudinal axis along a circumferential direction, wherein the spring structure is corrugated in the circumferential direction or several waves, that has several wave peaks and troughs.
  • the spring structure can wind partially, completely or several times around the spring longitudinal axis, in particular approximately undulating helically. Neighboring turns can be abutted or attached to each other with their wave crests and troughs. This means that one turn with its wave crest rests against the wave trough of the next following turn.
  • the spring structure may have an initial turn and / or an end turn, wherein the initial turn and / or the end turn extend substantially flat around the spring longitudinal axis.
  • the spring With the initial turn and / or the end turn, the spring may be supported on the end wall and / or indirectly or directly on the second housing part.
  • the spring longitudinal axis is parallel or lies on the axis of rotation.
  • the initial turn may include the fastener for attachment to the positioning member.
  • a (metal) C-ring or a (metal) O-ring is ring-shaped.
  • the spring structure extends at least in sections over the circumference of the spring longitudinal axis.
  • the spring longitudinal axis is vertical or normal to the surface spanned by the ring.
  • the spring longitudinal axis is substantially parallel to or lies on the axis of rotation of the rotor.
  • the ring may be flat or substantially undulating over its circumference.
  • the spring structure is in the (metal) C-ring in cross-section, which is transverse to the circumferential direction, C-shaped, d. H. with an open contour, and with the (metal) O-ring O-shaped, d. H. with a closed contour. Between adjacent sections, which have a C- or O-ring-shaped spring structure, in each case a fastening element can be formed for attachment to the positioning element.
  • the springs mentioned herein may include a plurality of fasteners for a plurality of positioning elements.
  • annular sealing element (seal or axial seal) is arranged between the end wall and the second housing part, in particular the sealing element described generally and / or for the first aspect, which has a pressure space formed between the end wall and the second housing part, in particular the second pressure chamber, encloses, wherein the pressure chamber via a Outlet channel is connected to a feed chamber formed between the rotor and the lifting ring.
  • the spring has a spring structure made of metal, in particular spring steel, which gives the spring its essential spring property, wherein attached to the spring structure, the annular sealing element, in particular is secured captive.
  • the spring and the sealing element can form a unit or integral unit, which can be handled as a unit.
  • the sealing element when fastening the spring to the second housing part or the at least one positioning element, the sealing element can likewise be arranged at the location provided for the sealing element on the second housing part.
  • the advantage here is that the spring and the sealing element can be attached to the pump insert with one step. Furthermore, it is advantageously achieved that the sealing element is fixed when inserting the pump insert into the receiving housing and can not slip or fall out. Thus, the assembly of the pump insert is facilitated in the receiving housing.
  • the sealing element may be attached to the spring element z. B. by repositioning or injecting the sealing element to the spring or spring structure.
  • the seal referred to as a sealing element may be positively secured to the spring structure, such as. B. by plugging, or non-positively, such as. B. by clamping.
  • the spring structure can, for. B. have an additional annular portion which is part of the sealing element and with a sealing material such. As a polymer or elastomer encapsulated or coated.
  • the additional annular portion acts as a support structure, which counteracts a Hereausxtrudieren or a split extrusion of the sealing material of the sealing element due to the pressure difference between the first pressure chamber and the second pressure chamber.
  • the spring structure may have a further annular portion which is also overmolded or coated with the sealing material.
  • This further additional annular portion may annularly surround the axis of rotation of the rotor, in particular the pump shaft, when it extends through the second housing portion to seal the first pressure space and / or the second pressure space with respect to the pump shaft.
  • the seal or the sealing element which surrounds the second pressure chamber is preferably arranged eccentrically to the axis of rotation of the rotor, in particular in one Region between the annular spring, which at least partially surrounds the first pressure chamber, and the pump shaft or a region which is arranged in the direction of the axis of rotation in axial alignment with the pump shaft.
  • a first pressure chamber and a second pressure chamber are formed between the end wall and the second housing part, as already described above.
  • an annular sealing element as already described, is arranged, which surrounds the second pressure chamber and seals with respect to the first pressure chamber.
  • the first pressure chamber is connected via a first outlet channel with a first delivery chamber formed between the rotor and the cam ring and the second pressure chamber is connected via a second outlet channel with a second delivery chamber formed between the rotor and the cam ring.
  • the Figures 2 . 3 . 17 and 18 show pump inserts that can be used in a receiving housing, as in FIG. 1 shown.
  • the pump in particular the pump insert 1, comprises a spring 5 which is shown herein in various embodiments.
  • the pump or the pump insert 1 can have a seal 9, in particular an axial seal, arranged between an end wall 20c of a receiving housing 20 and a second housing part 3.
  • the seal 9 is shown in various embodiments, in part combined with the spring 5.
  • the pump or the pump insert 1 has a rotor 4, which is rotationally connected via a shaft-hub connection 30 with a pump shaft 10.
  • the rotor 4 has serving as a guide, in particular slot-shaped recesses. Every recess is a conveying element 13, in particular a wing assigned.
  • the wing 13 is at its recess radially or away from the axis of rotation D of the rotor 4 and towards the axis of rotation D of the rotor 4, in particular guided with a single translational degree of freedom, back and forth displaceable, such. B. off FIG. 20 is recognizable.
  • the wings 13 are rotated with the rotor 4.
  • the pump 1 has an annular housing part, namely a cam ring 12.
  • the cam ring 12 is enclosed between a first housing part 2 and a second housing part 3 and rotationally fixed with respect to the first and second housing part 2, 3.
  • the annularly around the pump shaft 10 extending space which is surrounded by the inner circumference of the cam ring 12 and axially from the second and third housing part 2, 3 is limited, may also be referred to as the pump chamber 26.
  • the rotor 4 and the wings 13 are arranged in the pump chamber 26.
  • At least one delivery chamber 27, 28 is formed radially between the rotor 4 and the cam ring 12.
  • the embodiment shown here comprises two delivery chambers 27, 28, namely a first delivery chamber 27 and a second delivery chamber 28 (FIG. FIG. 20 ).
  • a conveyor cell 29 is formed in each case whose volume changes in dependence on the rotational position of the rotor 4 about its axis of rotation D. Since the pump has a plurality of wings 13, it also has a plurality of conveyor cells 29 correspondingly. In each of the delivery chambers 27, 28 there are a plurality of delivery cells 29.
  • the vanes 13 and the rotor 4 form a first sealing gap with the first housing part 2 and a second sealing gap with the second housing part 3.
  • the cam ring 12 and / or the wings 13 may be magnetized, so that the wings 13 abut due to magnetic force on the inner circumferential surface of the cam ring 12, in particular, even if the rotor 4 is not rotating. This allows an early build up of pressure at startup or cold start, ie, when the pump shaft 10 starts to rotate.
  • the wings 13 due to the centrifugal force during the rotation of the rotor to the outside, ie away from the axis of rotation of the rotor 4 against the inner peripheral surface of the Hub ring 12 are pressed.
  • the wings 13 and each of the wings 13 forms with the inner circumferential surface of the cam ring 12, a third sealing gap.
  • the inner circumferential surface of the cam ring 12 has a contour which causes the wings 13 to extend at least once during one complete revolution of the rotor 4 (increase in volume of the conveyor cell 29) and retract once (volume reduction of the conveyor cell 29).
  • the pump shown in the example is double-stroke, d. H. with two delivery chambers 27, 28, wherein the wings 13 per delivery chamber 27, 28 extend once and retract once when they are moved by rotation of the rotor 4 through the delivery chamber 27, 28.
  • the wings 13 are caused to extend, retract, extend and retract in one full turn of the rotor 4, or in other words extend twice and retract twice.
  • a conveyor cell 29 is formed in each case whose volume is increased or reduced by the extension and retraction of this conveyor cell 29 limited wings 13, namely in dependence on the contour of the inner peripheral surface of the cam ring 12th
  • the pump insert 1 has a first outlet channel 3b and a second outlet channel 3c, wherein the first outlet channel 3b into a first pressure chamber 23b and a first delivery chamber 27 (FIG. FIG. 20 ) and thus connects the first delivery chamber 27 and the first pressure chamber 23b liquid-conducting together.
  • the second outlet channel 3c opens into a second delivery chamber 28 and the second pressure chamber 23c, whereby it controls the second delivery chamber 28 (FIG. FIG. 20 ) and the second pressure chamber 23c fluid leading connects.
  • the first and second outlet channels 3b, 3c each open into the region of its respective delivery chamber 27, 28, in which the volume of the delivery cells 29 decreases during the rotation of the rotor 4. This causes that in the conveyor cells 29 befindliches fluid such. As oil, are displaced by the outlet channels 3b, 3c.
  • the pump insert 1 has a first inlet channel 2b and a second inlet channel 2c, wherein the first inlet channel 2b opens into the first delivery chamber 27 and a suction chamber 24 and thus fluidly connects the first delivery chamber 27 and the suction chamber 24, and wherein the second inlet channel 2c in the second delivery chamber 28 and the Suction chamber 24 opens and thus connects the second delivery chamber 28 and the suction chamber 24 liquid-conducting.
  • the first and second inlet channels 2b, 2c respectively open into the region of its respective delivery chamber 27, 28, in which the volume of the delivery cells 29 increases during the rotation of the rotor 4. As a result, fluid is caused to be conveyed or sucked through the first and second inlet passages 2b, 2c into the enlarging feed cell 29.
  • fluid, in particular liquid is sucked through the channel 2b, 2c in the increasing delivery cell 29 and transported to the area in which the outlet channel 3b, 3c opens, wherein the fluid from the then reducing conveyor cells 29 via the first outlet channel 3b and the second outlet channel 3c, respectively.
  • the pump insert 1 comprises at least one positioning element 6, in the example shown two positioned elements 6.
  • the positioning elements 6 are pins or pin-shaped.
  • the positioning element 6 is firmly anchored in the first housing part 2.
  • the first housing part 2 has a blind bore 2a into which the pin-shaped positioning element 6 is pressed with a first end.
  • the pin-shaped positioning member 6 positions the second housing part 3 and the cam ring 12 with respect to their angular positions about the axis of rotation D relative to the first housing part 2.
  • the second housing part 3 and the cam ring 12 have recesses, openings, holes or slots, preferably with a radial extent, through which the positioning element 6 extends.
  • the cam ring 12 for this purpose has a bore 12a for the first positioning element 6 and a further bore 12a for the second positioning element 6.
  • the second housing part 3 has a through hole through which the positioning element 6 extends.
  • the positioning element 6 protrudes with its pin-shaped second end over the end face, which faces away from the pump chamber 26. This protruding portion of the positioning member 6 has a recess, such as. B.
  • an annular groove 6 a or at least a part thereof, which extends over the circumference of the positioning element 6.
  • a securing element or fastening element 5a of the spring 5 is arranged, which is in particular non-positively and / or positively secured to the positioning element 6 and in the annular groove 6a.
  • the Fastener 5a prevents axial disintegration of the first housing part 2, the second housing part 3 and the cam ring 12, or in other words a removal of the second housing part 3 and the cam ring 12 of the positioning element 6.
  • the spring 5 is captive on the pump insert. 1 , in particular the positioning elements 6 attached.
  • the pump shaft 10 is rotatably mounted on the first and second housing part 2, 3, in particular by means of a respective sliding bearing.
  • a pump shaft 10 mounted on both sides it can do without bearing in the second housing part 3 or only with the bearing in the first housing part 2, in particular when the pump insert 1 is double-stroke, d. H. two e.g. with respect to the axis of rotation D opposite conveying chambers 27, 28 has. The forces caused by the pressures in the delivery chambers 27, 28 transversely to the axis of rotation D can be canceled in the result in about.
  • an outer structure such. B. an external toothing on the pump shaft 10 is formed, which is in a form-locking engagement with a corresponding internal structure, in particular internal toothing of the rotor 4 to form a shaft-hub connection 30.
  • the outer diameter of the outer structure of the pump shaft 10 is greater than the diameter of the portion of the pump shaft 10 which is mounted in the first housing part 2 and / or in the second housing part 3.
  • the pump shaft 10 is axially fixed between the first and second housing part 2, 3, d.
  • the first housing part 2 has on its side facing away from the pump chamber 26 end face an annular pocket in which a shaft seal 11 is arranged, which is rotatably attached to the first housing part 2 and forms a sealing gap with the pump shaft 10.
  • the shaft seal 11 seals the pump chamber 26 to the outside.
  • the gear 21 is rotationally fixed on the pump shaft 10.
  • the gear 21 can be driven by a chain, in turn, of z. As a crankshaft or other wave, the z. B. can be connected to an engine of the vehicle, is driven.
  • the gear 21 has for its attachment to the pump shaft 10 z. As an internal thread, with which it is screwed with an external thread of the pump shaft 10 against a shoulder of the pump shaft 10. A torsion secured against rotation on the shaft 10 secures the gear 21 against unintentional release.
  • the drive wheel 21 may be joined or attached to the pump shaft 10 by means of a press fit or other types of connection.
  • the pump insert 1 is in the examples shown in a z. B. pot-shaped receiving housing 20, such. B. a housing pot used ( FIG. 1 ).
  • the receiving housing 20 has a peripheral wall 20d, which surrounds one of the pump inserts 1 shown herein circumferentially.
  • the receiving housing 20 has an end wall 20c, which is monolithically connected to the peripheral wall 20d, wherein the spring 5 is supported on the end wall 20c in particular axially, ie in the direction of the axis of rotation D.
  • the pump insert 1 is between the end wall 20 c and an axial securing element, such.
  • an axial securing element such as a screw, an axial securing ring or a lid held so that the spring 5 is stretched or remains, in particular, is stretched under pressure or remains.
  • the axial securing element can rest on the first housing part 2 and / or hold the first housing part 2 displaceably on the receiving housing 20 along or in the direction of the axis of rotation D.
  • the first pressure chamber 23b is formed, into which the pump promoted fluid (liquid) is promoted.
  • the pressure chamber 23b is in turn by means of a channel (not shown) with a fluid consumer, such as. B. a lubricant consumer, in particular a transmission.
  • a fluid consumer such as. B. a lubricant consumer, in particular a transmission.
  • an annular seal 9 is arranged, which annularly surrounds the second pressure chamber 23c and seals it with respect to the first pressure chamber 23b.
  • the seal 9 thus forms a wall of the first pressure chamber 23b and the second pressure chamber 23c.
  • the second pressure chamber 23 c funded by the pump fluid is promoted.
  • the second pressure chamber 23 c is in turn by means of a channel (not shown) with a fluid consumer, such as. B. a lubricant consumer connected.
  • the seal 9 is arranged in a sealing groove or a sealing pocket of the second housing part 3, which annularly surrounds one end of the second outlet channel 3c, the groove base or the pocket bottom forming a sealing surface for the seal 9.
  • the wall of the groove or pocket which surrounds the seal annularly has a distance from the end wall 20c, which is less than the height of the seal 9, in particular as the height of the first ring 9a, which will be described below.
  • the first ring 9a in particular its material, or / and the smaller gap width between wall and end wall 20c, a gap extrusion of the seal 9 is prevented. Also by a support structure in the seal 9, a gap extrusion can be avoided.
  • a suction chamber 24 is formed, from the fluid via the first delivery chamber 27 and the second Delivery chamber 28 is conveyed into the first pressure chamber 23b and the second pressure chamber 23c.
  • the suction chamber 24 may, for. B. be connected by means of a channel with a reservoir for the fluid in which z. B. the fluid consumed by the consumer can flow back.
  • the pressure in the pressure chambers 23b, 23c is increased with increasing speed, whereby the second housing part 3 in addition to the biasing force of the spring the cam ring 12 firmly clamped between the first and second housing part 2, 3.
  • the first and second housing part 2, 3 and the cam ring 12 are sealed to each other.
  • the connection between the Axialommeselement and the first housing part 2 is formed so strong that they Axialkraft on the Axialommeselement, as is effected by the pressure in the pressure chambers 23b, 23c, can resist, that is not dissolved.
  • the axial securing element is a housing cover, which is fastened to the receiving housing 20 and on which the first housing part 2 is axially supported.
  • spring 5 z As a spring 5 z. As a suitably designed Wellringfeder, a multi-corrugated spring washer, a hose or bow spring, a Nutringfeder, a metal O-ring or a metal C-ring in question. If the spring 5 is to be fastened to the positioning elements 6, the spring can have fastening elements 5a for their attachment to the positioning elements 6.
  • a first embodiment of a spring 5 is shown, which is designed as a corrugated ring spring.
  • the corrugated ring spring 5 has an annular spring structure 5b, which is corrugated over its circumference, that is, has a plurality of waves, ie wave crests and wave troughs.
  • the waves can z. B. on the end wall 20c and the troughs rest on the second housing part 3.
  • the wave height extends approximately parallel to the axis of rotation D.
  • the spring 5 is made of a flat material, in particular punched out.
  • the spring 5 has on its circumference a plurality of, here two, fastening elements 5a in the form of recesses open towards the inner circumference, which can be arranged in the annular groove 6a of a positioning element 6.
  • the thickness of the flat material of the spring 5 is less than the groove width of the annular groove 6a.
  • the spring 5 off FIG. 5 is identical to the spring 5 so far FIG. 4 ,
  • the spring 5 off FIG. 4 has in addition on its inner circumference several inwardly projecting Abragungen. As a result, the stress curve in the spring during deformation comparatively or the spring preload and spring rate can be adapted to the requirements.
  • the spring 5 off FIG. 6 essentially corresponds to the execution FIG. 5 , wherein the spring structure 5b from FIG. 6 more waves than the embodiment FIG. 5 has, that is more curled.
  • the spring structure 5b has a positioning element 5e, which can engage in a corresponding recess of the second housing part 3 in order to fasten the spring 5 in the correct position to the positioning elements 6.
  • FIG. 7 shows an annular spring 5, which has a plurality of tubular portions 5f over its circumference, in this example two tubular portions 5f. Between adjacent tubular sections 5f, a fastening element 5a and in particular a flat section 5g is arranged, in which the fastening element 5a is formed.
  • the fastening element 5a is a recess open towards the inner circumference of the ring.
  • the thickness of the flat portion 5g is smaller than the groove width of the annular groove 6a of the positioning member 6.
  • the flat portion 5g can be formed by compressing and plastically deforming a previously continuous tubular portion 5f. In the example shown there are two fastening elements 5a and thus two flat sections 5g.
  • the spring 5 has two tubular portions 5f connected at their ends via a flat portion 5g provided with a fixing member 5a, respectively.
  • FIG. 8 shows a spring 5, which is identical to the spring FIG. 7 is with the exception of the design of the tubular portions 5f.
  • the execution FIG. 8 For example, instead of a tubular portion 5f, it has C-shaped portions 5h. Otherwise, the execution is off FIG. 7 directed.
  • the C-shaped sections 5h each have a cross-sectionally open contour, namely a slot which extends over the circumference, in particular the inner circumference of the annular spring structure.
  • the springs 5 or spring structures 5b from the FIGS. 4 to 8 are made of metal, especially spring steel.
  • the springs 5 may be coated or overmoulded, in particular with a plastic, such as.
  • a plastic such as.
  • FIG. 9 shows an annular seal 9, which comprises a first sealing ring 9a of a first material and a second sealing ring 9b of a second material.
  • the first ring 9a and the second ring 9b may be integrally or integrally connected to each other, in particular cohesively.
  • the first ring 9a serves for the stability of the annular seal 9, the second ring 9b serving primarily to ensure the sealing function.
  • a material for the first ring 9a is plastic, in particular a thermoplastic or thermoplastics, which can be selected with the necessary properties.
  • polytetrafluoroethylene is suitable whose core strength can be increased by pickled fibers, such as glass fibers, so that the axial seal can withstand significant pressures.
  • ethylene-tetrafluoroethylene copolymer is considered as a material for the first ring, especially since this material can be processed well.
  • Polyterephtalat is well suited for the intended purpose, since it can be well vulcanized with the sealing ring.
  • polyamides, with or without fiberglass insert for the intended purpose are also suitable.
  • the second ring 9b is preferably made of a plastic, in particular elastomeric or rubber-elastic material or elastomer, which is preferably well vulcanizable, does not tear and has no high notch sensitivities.
  • the listed materials or materials are especially, but not only for the versions of the Figures 10 . 11 . 15 and 16 but may be used, for example, for all embodiments shown or described in the present application.
  • the first ring 9a has a V-shaped groove extending over its circumference.
  • the groove adapted to this groove shape formed by the second ring counterpart is arranged, which is connected in the groove with the first ring 9a, in particular vulcanized or glued.
  • the first ring 9a also has a V-shaped groove extending over the circumference of the first ring 9a, and the second ring 9b is an O-ring having a circular cross-section.
  • the second ring 9b is likewise arranged in the V-shaped groove and is in particular materially connected to the first ring 9a.
  • the first ring 9a has a planar surface facing the second ring 9b, on which the O-ring-shaped second ring 9b rests and to which the second ring 9b is firmly bonded.
  • FIG. 15 shows a first ring 9a, which has circumferentially about its annular periphery a step in which the second ring 9b, which is designed as an O-ring is received.
  • the second ring 9b is materially connected to the first ring 9a.
  • the second ring 9b is loosely inserted in the first ring 9a, in particular in the step-shaped shoulder.
  • the front end of the seal which is opposite to the front end, which is formed by the second ring 9b, has at least one over the annular circumference of the first ring 9a circumferential groove.
  • the groove is surrounded by a first circumferential, in particular inner groove wall 9c and a second circumferential, in particular outer groove wall 9d.
  • the first groove wall 9c is continuous over the circumference and is sealingly supported on its sealing surface, whereby the first pressure chamber 23b is sealed relative to the second pressure chamber 23c.
  • the second groove wall 9d is provided over its circumference with a plurality of recesses, which make the second groove wall 9d liquid-permeable, whereby only the first groove wall 9c seals.
  • the second groove wall 9d serves to support the seal on the sealing surface, so that the seal 9 does not tilt.
  • the second groove wall 9d may be continuous over the circumference and the first groove wall 9c may be provided with the plurality of recesses, the above described being analogously applicable to this embodiment.
  • the second groove wall 9d primarily for sealing and the first groove wall 9c serve primarily for support.
  • FIG. 16 shows a seal 9, which consists only of a ring, such as. Example, from the material for the above-mentioned first ring 9a or the above-mentioned second ring 9b, depending on the expected pressure difference between the first pressure chamber 23b and the second pressure chamber 23c.
  • a front end of the seal is configured with a sealing lip having an inclined inner surface which is inclined so that an internal pressure in the second pressure chamber 23c exerts a force on the sealing lip, which at least with a force component against the sealing surface of the second housing part 3 or the end wall 20c presses.
  • On the inner circumference is a variety of z. B. along the height of the seal 5 or in the direction of the axis of rotation D extending recesses arranged z. B.
  • the sealing lip opposite end face of the seal 9 may be flat or flat or as in FIG. 15 be designed.
  • FIG. 12 shows an annular seal 9, which has a first ring 9a of the above-mentioned first material, alternatively of metal, in particular steel, which is coated or encapsulated over its surface substantially completely with plastic, in particular the elastomeric or rubber-elastic or thermoplastic material, whereby a second ring 9b is formed.
  • FIG. 13 shows an annular seal 9, which has a first ring 9a, which is designed as an annular circulating tube.
  • the ring 9a may, for.
  • the annular circumferential tube 9 a may have a closed wall or z. B. be wound from a helical spring.
  • the first ring 9a is coated or over-molded over its outer periphery with plastic, in particular the elastomeric or rubber-elastic or thermoplastic material, whereby a second ring 9b is formed, which surrounds the first ring 9a.
  • the tube 9a off FIG. 13 can thus act as a spring and the coating or encapsulation 9b as a seal 9. The same applies mutatis mutandis to the execution FIG. 14 ,
  • the execution FIG. 14 shows a first ring 9a, which is formed of a slotted tube or a C-shaped profile which rotates closed annular.
  • the slot of the C-shaped profile or the slotted tube 9a faces the interior and thus the second pressure chamber.
  • the first ring 9a is coated or overmoulded with plastic, in particular the elastomeric or rubber-elastic or thermoplastic material, resulting in a second ring 9b which at least partially surrounds the first ring 9a.
  • FIG. 19 an embodiment of a spring 5 is shown, which is combined with a seal 9 and in the Figures 17 and 18 in connection with the pump insert 1 is shown.
  • the spring 5 off FIG. 19 has an annular spring structure 5b with a first spring structure ring 5k, which extends in particular concentrically around the axis of rotation D.
  • the spring structure 5b is formed of metal, in particular steel, which gives the spring 5 its essential spring property in the direction of the axis of rotation D.
  • the annular spring structure 5b has a plurality of arms 5d protruding inward from the first spring structure ring 5k and distributed over its circumference, whose inwardly-contiguous ends are freely projecting.
  • the arms 5c each have a contact surface 5d, with which they rest against the end wall 20c.
  • the underside of the first spring structure ring 5k of the spring structure 5b abuts in the region on the second housing part 3, which is arranged in the direction of the axis of rotation D in axial alignment with the cam ring 12.
  • the first spring structure ring 5k has two fastening elements 5a, which serve as continuous recesses, such. B. holes or slots are formed.
  • the bore or the slot is surrounded by a wall at least over part of its circumference, which has a thickness extending along or in the direction of the axis of rotation D, which is smaller than the groove width of the annular groove 6a of the positioning element 6.
  • a part of this wall in engage the annular groove 6a, whereby the spring 5 is secured captive on the at least one positioning element 6.
  • the spring structure ring 5k for inserting the positioning members 6 into the through recesses of the fixing members 5a along an imaginary connecting line between the two fixing members 5a can be elastically compressed or pushed apart to allow fitting to the positioning members 6 and releasing a part of the wall by releasing to allow in the annular groove 6a.
  • the spring structure 5b has a second spring structure ring 5j, which annularly surrounds the second pressure chamber 23c. Furthermore, the spring structure 5b has a third spring structure ring 5i, which extends around the axis of rotation D and is arranged within the first spring structure ring 5k, from which the arms 5d protrude.
  • At least the second spring structure ring 5j, preferably and if present also the third spring structure ring 5i and optionally also the first spring structure ring 5k are coated or encapsulated with plastic, in particular the elastomeric or rubber-elastic or thermoplastic material, at least partially or completely, so that at least the in the direction of Rotary axis D facing ends of the second ring, which comprises the second spring structure ring 5j, and the third ring, which comprises the third Feder Designring 5i, are formed with a surface made of plastic, in particular the elastomeric or rubber-elastic or thermoplastic material. Further, the elastomeric or rubber-elastic or thermoplastic material separates the second pressure space 23c from the first pressure space 23b.
  • the second ring with its encapsulation or coating can thus be defined as a seal 9.
  • the third ring with its coating or encapsulation seals the bore of the second housing part 3, in which a portion of the pump shaft 10 is arranged, from the first pressure chamber 23b and the second pressure chamber 23c.
  • the encapsulation or coating of the third ring is supported on the second housing part 3 and opposite to the housing wall 20c.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)

Claims (14)

  1. Pompe comprenant:
    un boîtier de réception (20) formant un espace de réception (25) en forme de pot avec une paroi frontale (20c) et une paroi périphérique (20d),
    un insert de pompe (1), qui est disposé dans l'espace de réception (25), l'insert de pompe (1) comprenant:
    - un rotor (4),
    - une première partie de boîtier (2) et une deuxième partie de boîtier (3), entre lesquelles le rotor (4) est disposé tournant autour d'un axe de rotation (D) et par rapport à la première et la deuxième partie de boîtier (2, 3),
    - un anneau de levage (12) entourant le rotor (4) et disposé entre la première partie de boîtier (2) et la deuxième partie de boîtier (3),
    un ressort (5) résilient le long ou en direction de l'axe de rotation (D) étant disposé entre le boîtier de réception (20) et la deuxième partie de boîtier (3), le ressort (5) comprenant une structure de ressort (5b) en métal, notamment en acier, qui confère au ressort (5) sa propriété de ressort essentielle le long ou en direction de l'axe de rotation (D), et le ressort (5) prenant appui sur le boîtier de réception (20) dans une zone, qui est disposée en direction de l'axe de rotation (D) en alignement axial avec l'anneau de levage (12), et prenant appui vers la deuxième partie de boîtier dans une zone, qui est disposée en direction de l'axe de rotation (D) en alignement axial avec l'anneau de levage (12), et ainsi pressant la deuxième partie de boîtier (3) contre l'anneau de levage (12),
    caractérisée par
    au moins un élément de positionnement (6), qui positionne la deuxième partie de boîtier (3) par rapport à la première partie de boîtier (2) par rapport à sa positon angulaire autour de l'axe de rotation (D), le ressort (5) étant fixé à l'au moins un élément de positionnement (6) ou la deuxième partie de boîtier (3).
  2. Pompe selon la revendication 1, caractérisée en ce que le ressort (5) prend appui sur la deuxième partie de boîtier (3).
  3. Pompe selon l'une quelconque des revendications précédentes, caractérisée en ce que le ressort (5) prend appui sur la paroi frontale (20c) du boîtier de réception (20).
  4. Pompe selon l'une des revendications 1 à 3, caractérisée en ce que la deuxième partie de boîtier (3) comprend une gorge au moins partiellement ou entièrement circulant autour de l'axe de rotation (D) sur une surface périphérique intérieure ou une surface périphérique extérieure, qui est ouverte vers l'intérieur ou vers l'extérieur, le ressort (5) étant fixé dans la gorge sur la deuxième partie de boîtier (3).
  5. Pompe selon l'une quelconque des revendications précédentes, caractérisée en ce que le ressort (5) est annulaire et au moins partiellement entoure un espace de pression (23a, 23b) relié à une chambre de transport (27, 28), dans laquelle le rotor (4) est disposé, à travers d'un canal de sortie (3b, 3c) formé par la deuxième partie de boîtier (3).
  6. Pompe selon la revendication précédente, caractérisée en ce qu'un élément d'étanchéité (9) est disposé entre la deuxième partie de boîtier (3) et une paroi frontale (20c) du boîtier de réception (20), qui entoure l'espace de pression (23c), par exemple de façon annulaire.
  7. Pompe selon l'une des deux revendications précédentes, caractérisée en ce que l'espace de pression est un deuxième espace de pression (23c), un premier espace de pression (23b) étant formé entre la paroi frontale (20c) du boîtier de réception (20) et la deuxième partie de boîtier (3) et l'élément d'étanchéité (9) obturant le premier espace de pression (23b) et le deuxième espace de pression (23c) l'un par rapport à l'autre.
  8. Pompe selon la revendication précédente, caractérisée en ce que la pompe (1) est de levée multiple, notamment de levée double, le premier espace de pression (23b) étant relié à la première chambre de transport (27) à travers d'un premier canal de sortie (3b) et le deuxième espace de pression (23c) étant relié à la deuxième chambre de transport (28) à travers d'un deuxième canal de sortie (3c) de façon conduisant du liquide.
  9. Pompe selon l'une des deux revendications précédentes, caractérisée en ce qu'un joint (8) est disposé entre la deuxième partie de boîtier (3) et le boîtier de réception (20), notamment une paroi périphérique (20d) du boîtier de réception (20), qui obture le premier espace de pression (23b) formé entre la paroi frontale (20c) et la deuxième partie de boîtier (3) par rapport à un espace d'aspiration (24) formé entre la paroi périphérique (20d) et l'anneau de levage (12), l'espace d'aspiration (24) étant relié audite au moins une chambre de transport (27, 28) au moyen d'au moins un canal d'entrée (2b, 2c) de façon conduisant du liquide.
  10. Pompe selon l'une des revendications précédentes, caractérisée en ce que le ressort (5) est un parmi les suivants:
    - un ressort annulaire ondulé,
    - une rondelle élastique à ondulations multiples
    - un ressort de tuyau ou en arc,
    - un ressort de coupelle,
    - un anneau en C en métal ou
    - un anneau en O en métal.
  11. Pompe selon l'une des revendications précédentes, caractérisée en ce qu'un élément d'étanchéité (9) annulaire est disposé entre la paroi frontale (20c) et la deuxième partie de boîtier (3), qui entoure un espace de pression (23c) formé entre la paroi frontale (20c) et la deuxième partie de boîtier (3), l'espace de pression (23c) étant relié à une chambre de transport (28) formée entre le rotor (4) et l'anneau de levage (12) à travers d'un canal de sortie (3c), et
    l'élément d'étanchéité (9) étant fixé, notamment de façon imperdable, à la structure de ressort (5b).
  12. Pompe selon la revendication précédente, caractérisée en ce que la structure de ressort (5b) comprend un premier anneau de structure de ressort (5k), qui entoure l'axe de rotation (D) de façon annulaire, et un deuxième anneau de structure de ressort (5j), qui est formé sur le premier anneau de structure de ressort (5k) et entoure le deuxième espace de pression (23c) de façon annulaire, le deuxième anneau de structure de ressort (5j) étant disposé entre l'axe de rotation et le premier anneau de structure de ressort (5k), et l'axe de rotation (D) étant disposé en dehors du deuxième anneau de structure de ressort (5j) et au moins le deuxième anneau de structure de ressort (5j) étant revêtu ou surmoulé par une matière plastique pour former l'élément d'étanchéité (9).
  13. Pompe selon la revendication 11, caractérisée en ce que le ressort (9) comprend un premier anneau (9a) formant la structure de ressort, le premier anneau (9a) étant revêtu ou surmoulé par une matière plastique pour former l'élément d'étanchéité (9) et le premier anneau (9a) étant par exemple un tube fermé circonférentiel de façon annulaire ou un tube fendu circonférentiel de façon annulaire.
  14. Pompe selon l'une des revendications précédentes, caractérisée en ce qu'un premier espace de pression (23b) et un deuxième espace de pression (23c) sont formés entre la paroi frontale (20c) et la deuxième partie de boîtier (3), un élément d'étanchéité (9) annulaire étant disposé entre la paroi frontale (20c) et la deuxième partie de boîtier (2), qui entoure le deuxième espace de pression (23c) et qui obture par rapport au premier espace de pression (23b), le premier espace de pression (23b) étant relié à une première chambre de transport (27) formée entre le rotor (4) et l'anneau de levage (12) à travers d'un premier canal de sortie (3b) et le deuxième espace de pression (23c) étant relié à une deuxième chambre de transport (28) formée entre le rotor (4) et l'anneau de levage (12) à travers d'un deuxième canal de sortie (3c).
EP16164888.6A 2015-04-17 2016-04-12 Pompe Active EP3081741B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19202347.1A EP3617447B1 (fr) 2015-04-17 2016-04-12 Pompe
EP23171945.1A EP4234883A1 (fr) 2015-04-17 2016-04-12 Pompe avec élément de fixation
EP19162589.6A EP3521560B1 (fr) 2015-04-17 2016-04-12 Pompe
EP23174113.3A EP4234931A3 (fr) 2015-04-17 2016-04-12 Pompe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015105933.9A DE102015105933B4 (de) 2015-04-17 2015-04-17 Pumpe

Related Child Applications (6)

Application Number Title Priority Date Filing Date
EP23174113.3A Division EP4234931A3 (fr) 2015-04-17 2016-04-12 Pompe
EP19202347.1A Division EP3617447B1 (fr) 2015-04-17 2016-04-12 Pompe
EP19202347.1A Division-Into EP3617447B1 (fr) 2015-04-17 2016-04-12 Pompe
EP19162589.6A Division EP3521560B1 (fr) 2015-04-17 2016-04-12 Pompe
EP19162589.6A Division-Into EP3521560B1 (fr) 2015-04-17 2016-04-12 Pompe
EP23171945.1A Division EP4234883A1 (fr) 2015-04-17 2016-04-12 Pompe avec élément de fixation

Publications (3)

Publication Number Publication Date
EP3081741A2 EP3081741A2 (fr) 2016-10-19
EP3081741A3 EP3081741A3 (fr) 2017-01-04
EP3081741B1 true EP3081741B1 (fr) 2019-11-13

Family

ID=55754134

Family Applications (5)

Application Number Title Priority Date Filing Date
EP23174113.3A Pending EP4234931A3 (fr) 2015-04-17 2016-04-12 Pompe
EP23171945.1A Pending EP4234883A1 (fr) 2015-04-17 2016-04-12 Pompe avec élément de fixation
EP19202347.1A Active EP3617447B1 (fr) 2015-04-17 2016-04-12 Pompe
EP19162589.6A Active EP3521560B1 (fr) 2015-04-17 2016-04-12 Pompe
EP16164888.6A Active EP3081741B1 (fr) 2015-04-17 2016-04-12 Pompe

Family Applications Before (4)

Application Number Title Priority Date Filing Date
EP23174113.3A Pending EP4234931A3 (fr) 2015-04-17 2016-04-12 Pompe
EP23171945.1A Pending EP4234883A1 (fr) 2015-04-17 2016-04-12 Pompe avec élément de fixation
EP19202347.1A Active EP3617447B1 (fr) 2015-04-17 2016-04-12 Pompe
EP19162589.6A Active EP3521560B1 (fr) 2015-04-17 2016-04-12 Pompe

Country Status (4)

Country Link
US (2) US10082139B2 (fr)
EP (5) EP4234931A3 (fr)
CN (2) CN106050647B (fr)
DE (4) DE102015105933B4 (fr)

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DE102016204098B4 (de) * 2016-03-11 2019-09-12 Magna Powertrain Bad Homburg GmbH Flügelzellenpumpe
EP3538765B1 (fr) * 2016-11-11 2022-08-10 Micropump Inc. Systèmes et procédés de fixation d'un élément souple dans une pompe
DE102017213320A1 (de) * 2017-08-02 2019-02-07 Robert Bosch Gmbh Dichtring einer Kolbenpumpe, insbesondere für eine Fahrzeugbremsanlage
DE102018133681A1 (de) 2018-12-28 2020-07-02 Schwäbische Hüttenwerke Automotive GmbH Rotationspumpe mit axialer Kompensation, Auslassdichtung für eine Pumpe sowie vormontierte Pumpeneinheit
DE102018133679A1 (de) 2018-12-28 2020-07-02 Schwäbische Hüttenwerke Automotive GmbH Rotationspumpe mit axialer Kompensation, Auslassdichtung für eine Pumpe sowie vormontierte Pumpeneinheit
DE102018133680A1 (de) 2018-12-28 2020-07-02 Schwäbische Hüttenwerke Automotive GmbH Rotationspumpe mit axialer Kompensation, Auslassdichtung für eine Pumpe sowie vormontierte Pumpeneinheit
DE102019103675A1 (de) * 2019-02-13 2020-08-27 Schwäbische Hüttenwerke Automotive GmbH Feder-Dichtungs-Einheit
DE102019215933A1 (de) 2019-07-26 2021-01-28 Hanon Systems Efp Deutschland Gmbh Flügelzellenpumpe
DE102019132729A1 (de) 2019-12-02 2021-07-01 Schwäbische Hüttenwerke Automotive GmbH Sickendichtung
DE102020106796A1 (de) 2020-03-12 2021-09-16 Schwäbische Hüttenwerke Automotive GmbH Pumpeneinsatz und Pumpenanordnung mit einem solchen Pumpeneinsatz
DE102020116748A1 (de) * 2020-06-25 2022-02-17 Schwäbische Hüttenwerke Automotive GmbH Pumpe mit axial wirksamer Federdichtung
DE102020116822A1 (de) * 2020-06-25 2021-12-30 Schwäbische Hüttenwerke Automotive GmbH Axiale Druckentlastung in Gleitlagern von Pumpen
DE102020133200A1 (de) 2020-12-11 2022-06-15 Schwäbische Hüttenwerke Automotive GmbH Sickendichtung
WO2022137706A1 (fr) * 2020-12-21 2022-06-30 株式会社Ihi Structure de palier pour engrenage dans une pompe à engrenages externes
JP7141481B2 (ja) * 2021-02-26 2022-09-22 Ｋｙｂ株式会社 カートリッジ式ベーンポンプ及びこれを備えるポンプ装置
DE102021204072A1 (de) 2021-04-23 2022-10-27 Hanon Systems Efp Deutschland Gmbh Cartridgepumpe
DE102021126416A1 (de) * 2021-10-12 2023-04-13 Schwäbische Hüttenwerke Automotive GmbH Axialsicherung einer Pumpe
WO2024079543A1 (fr) * 2022-10-11 2024-04-18 Ceme S.P.A. Pompes à palettes

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EP3521560A2 (fr) 2019-08-07
EP3617447A2 (fr) 2020-03-04
CN110043461B (zh) 2021-12-31
DE202016009177U1 (de) 2023-06-14
EP4234931A3 (fr) 2023-09-06
EP3521560A3 (fr) 2019-08-21
EP3617447C0 (fr) 2023-06-14
DE202016009178U1 (de) 2023-06-26
DE102015105933A1 (de) 2016-10-20
EP3081741A2 (fr) 2016-10-19
US20160305428A1 (en) 2016-10-20
EP4234931A2 (fr) 2023-08-30
CN106050647B (zh) 2019-02-12
DE102015105933B4 (de) 2018-04-26
EP3617447B1 (fr) 2023-06-14
EP3617447A3 (fr) 2020-06-03
US10082139B2 (en) 2018-09-25
EP3521560B1 (fr) 2022-12-28
US11143181B2 (en) 2021-10-12
EP3081741A3 (fr) 2017-01-04
US20180372097A1 (en) 2018-12-27
DE202016009179U1 (de) 2023-06-26
EP4234883A1 (fr) 2023-08-30
CN110043461A (zh) 2019-07-23
CN106050647A (zh) 2016-10-26

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