EP2882976A1 - Dispositif de pompage - Google Patents

Dispositif de pompage

Info

Publication number
EP2882976A1
EP2882976A1 EP13745137.3A EP13745137A EP2882976A1 EP 2882976 A1 EP2882976 A1 EP 2882976A1 EP 13745137 A EP13745137 A EP 13745137A EP 2882976 A1 EP2882976 A1 EP 2882976A1
Authority
EP
European Patent Office
Prior art keywords
pump
coupling
pump device
hydrostatic
principle
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.)
Withdrawn
Application number
EP13745137.3A
Other languages
German (de)
English (en)
Inventor
Dieter Höhn
Marco Kirchner
Jörg Münzner
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.)
Mahle International GmbH
Original Assignee
Mahle International 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
Application filed by Mahle International GmbH filed Critical Mahle International GmbH
Publication of EP2882976A1 publication Critical patent/EP2882976A1/fr
Withdrawn legal-status Critical Current

Links

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
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D31/00—Fluid couplings or clutches with pumping sets of the volumetric type, i.e. in the case of liquid passing a predetermined volume per revolution
    • F16D31/04—Fluid couplings or clutches with pumping sets of the volumetric type, i.e. in the case of liquid passing a predetermined volume per revolution using gear-pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/05—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
    • 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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/005—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of dissimilar working principle
    • F04C11/006—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of dissimilar working principle having complementary function
    • 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
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D31/00—Fluid couplings or clutches with pumping sets of the volumetric type, i.e. in the case of liquid passing a predetermined volume per revolution
    • F16D31/08—Control of slip
    • 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
    • F01M1/16—Controlling lubricant pressure or quantity

Definitions

  • the present invention relates to a pump device with a
  • Conveyor element is controllable. By so turned off
  • Coupling device it is possible to transmit not only the full drive torque from the drive means to the conveying element, but alternatively also any part torques and this without the conventional
  • Couplings for example, by grinding the clutch discs, occurring signs of wear.
  • the coolant pump has a pump shaft mounted in a pump bearing in the bearing housing, a seal sealing the bearing space from the pump chamber and a freely rotatable impeller arranged on a sliding bearing of the pump shaft, which is driven by a coupling arranged on the pump shaft as a function of the temperature of the coolant ,
  • the coupling is also designed in this case as gerotor coupling.
  • DE 2 031 508 A1 discloses a drive operating on the hydraulic principle, for example the gerotor principle. It is here a
  • Vacuum pump driven by a hydraulic machine by a fluid flow is passed through the hydraulic machine.
  • the present invention deals with the problem for a
  • the present invention is based on the general idea, in a conventional pump device, for example, an oil pump, a water pump, a vacuum pump or a fuel pump in one
  • Motor vehicle between a drive device and a conveying element of the pump device, for example, an impeller to provide a hydrostatic coupling, for example, a gerotor coupling, by means of a
  • Conveying element is easily controlled or regulated.
  • drive means is another pump whose drive shaft is used, a pulley, a gear, a sprocket or a similar drive element in question. In order to do so on the one hand structurally simple, but on the other hand also exact
  • a suction side and a pressure side of the gerotor coupling are connected to each other via a coupling fluid-carrying channel, wherein the coupling fluid-carrying channel itself from a coupling fluid, for example, is flowed through by oil and wherein in the coupling fluid-leading channel valve means is arranged.
  • a gerotor coupling it is customary to speak of a gerotor coupling, it is clear that this is understood to mean, of course, generally a hydrostatic coupling.
  • Such a valve device may, for example, have an adjustable piston which, depending on the position, controls a flow through the valve device and thus also a torque transmission of the gerotor clutch.
  • valve device By the valve device according to the invention, it is thus possible to control a torque transmission in the gerotor coupling on the one hand structurally simple and on the other hand extremely accurate, so that not only opening and closing the gerotor coupling is possible, but also a transmission of only partial torques.
  • the drive device of the pump device is switched on and transmits a torque to an internal gear of the gerotor clutch via a drive shaft, pressure is transmitted by the fluid in the gerotor clutch to transmit torque to the outer ring and thus one
  • Valve means locked in the coupling fluid-carrying channel, whereupon the pressure of the gerotor clutch conveyed fluid increases and thereby closes the clutch. Due to the increasing pressure, the torque is now transmitted from the drive device via a corresponding shaft to an internal gear and from there to the outer ring. Ideally, the pressure side of the gerotor pump is completely sealed, so that via the trapped in the chamber fluid, such as oil, the drive torque can be completely transferred to the conveyor element.
  • the coupling fluid-carrying channel with the channel guide of the main oil pump of the Combustion engine connected and is thus in the oil circuit of the
  • valve devices and the gerotor coupling are forward and backward
  • the clutch is thus in this case compared to known from the prior art couplings in both directions used, so that the pump device can run purely theoretically forward or backward and in both directions variable setting of a transmittable torque to the gerotor clutch is possible ,
  • the valve device has an adjustable piston which, depending on the position, a flow through the valve device and thus the
  • Torque transmission of the gerotor clutch controls.
  • an adjusting device is provided, in particular as Wachsdehnelement, as a hydraulic adjusting device, as a pneumatic adjusting device, as an electrical actuating device or as
  • Vacuum box is formed.
  • the multiplicity of the mentioned possible embodiments of the possible adjusting devices give an idea of how flexibly the hydrostatic coupling according to the invention can be used.
  • the gerotor coupling is integrated in a housing of the pump device.
  • the piston of the valve device is biased by a spring into a position closing the valve device.
  • a spring is used to realize a so-called “fail-safe function", so that in case of failure of the actuator, the spring ensures that the valve means closes and thus also the gerotor clutch is closed.
  • the gerotor clutch is closed, there is a full torque transmission from the drive device to the conveyor element and thus a maximum possible delivery capacity of the pump device connected to the output side, which is particularly advantageous in the design as a coolant pump, since overheating of an internal combustion engine can thus be avoided ,
  • Fig. 1 is an illustration of a possible embodiment of a
  • Fig. 2 is a sectional view through an inventive
  • Pump device with gerotor coupling, 3 shows a pump device according to the invention in the manner of an oil pump
  • FIG. 4 shows a sectional view along the sectional plane B-B from FIG. 3
  • Conveying element 3 for example, an impeller 4 (see Figure 5) of the pump device 1 on.
  • the pump device 1 can be designed, for example, as an oil pump (see FIGS. 3 and 4) or as a water pump (see FIG. 5) or else as a fuel pump.
  • a suction side 6 and a pressure side 7 are connected to each other via a coupling fluid-carrying channel 8, wherein a valve device 9 is arranged in the coupling fluid-carrying channel 8.
  • a valve device 9 is arranged in the coupling fluid-carrying channel 8.
  • an adjusting device 12 for adjusting the piston 10 of the valve device 9 which can be designed, in particular, as a wax expansion element, as a hydraulic adjusting device, as a pneumatic adjusting device, for example as an under-can.
  • the adjusting device 12 is operatively connected to the piston 10.
  • a spring 1 1 by means of which the piston 10 is biased into a valve device 9 closing position, wherein when the valve device 9 is closed during operation of the pump device 1, a pressure build-up in the clutch 5,5 ', whereby a full
  • Torque transmission from the drive device 2 can be ensured on the conveyor element 3. This is particularly advantageous in the case of a pump device 1 designed as a coolant pump, since in this way a
  • gerotor coupling 5 'of Figure 1 Looking closer to the gerotor coupling 5 'of Figure 1, it can be seen that it can be flowed through in both directions, that is, both forward and backward, as well as an associated, to be adapted
  • Valve device 9 so that in general the entire pump device 1 can be operated both in a forward operation as well as in a reverse operation.
  • the gerotor coupling 5 has a drive shaft 13 which is connected to the drive device 2, not shown, and which in this case effects a torque transmission to an outer ring 14.
  • an inner ring 15 is provided which has at least one tooth less than the outer ring 14 and together with the outer ring 14 a
  • Displacement volume 16 includes.
  • either the inner ring 15 or the outer ring 14 may be mounted eccentrically.
  • the inner ring 15 is connected via a rotationally fixed connection, for example a positive or
  • the inner ring 15 is mounted eccentrically to the outer ring 14.
  • the inner ring 15 rotatably connected to the drive device 2, in which case the outer ring 14 is rotatably connected to the conveyor element 3.
  • FIG. 5 shows a pump device 1 embodied as a water pump, with a conveying element 3 embodied as an impeller, a seal 21 which seals the water pump with respect to the coupling 5, 5 'and a housing 19 in which the coupling 5, 5' is integrated ,
  • a cover plate 23 is provided.
  • the pump device 1 can be controlled particularly accurately and without any problems.
  • the explained principle can also analogously to a

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

L'invention concerne un dispositif de pompage (1) comprenant un dispositif d'entraînement (2) qui sert à entraîner un élément de refoulement (3) du dispositif de pompage (1) et un accouplement hydrostatique (5) qui permet de commander une transmission de couple entre le dispositif d'entraînement (2) et l'élément de refoulement (3). Conformément à l'invention, un côté aspiration (6) et un côté refoulement (7) de l'accouplement hydrostatique (5) sont reliés l'un à l'autre par le biais d'un conduit de circulation de fluide d'accouplement (8), un dispositif à vanne (9) étant disposé dans le conduit de circulation de fluide d'accouplement (8).
EP13745137.3A 2012-08-07 2013-08-06 Dispositif de pompage Withdrawn EP2882976A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012213985.0A DE102012213985A1 (de) 2012-08-07 2012-08-07 Pumpeneinrichtung
PCT/EP2013/066504 WO2014023744A1 (fr) 2012-08-07 2013-08-06 Dispositif de pompage

Publications (1)

Publication Number Publication Date
EP2882976A1 true EP2882976A1 (fr) 2015-06-17

Family

ID=48916101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13745137.3A Withdrawn EP2882976A1 (fr) 2012-08-07 2013-08-06 Dispositif de pompage

Country Status (6)

Country Link
US (1) US20150204329A1 (fr)
EP (1) EP2882976A1 (fr)
JP (1) JP2015525862A (fr)
CN (1) CN204592073U (fr)
DE (1) DE102012213985A1 (fr)
WO (1) WO2014023744A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016115925B4 (de) 2016-08-26 2022-08-11 Gkn Automotive Ltd. System zur hydraulischen Betätigung einer Parksperre
DE102018126771A1 (de) * 2018-10-26 2020-04-30 Schaeffler Technologies AG & Co. KG Aktuatorvorrichtung für ein Kraftfahrzeug

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012015A1 (fr) * 1978-12-01 1980-06-11 The Jacobs Manufacturing Company Appareil délivrant des quantités variables d'un fluide
EP1586785A2 (fr) * 2004-04-06 2005-10-19 MAN Nutzfahrzeuge Aktiengesellschaft Arrangement et méthode d'accouplement d'un compresseur d'air à l'arbre d'entraínement d'un moteur de combustion

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DE4434324A1 (de) * 1993-10-04 1995-04-06 Luk Lamellen & Kupplungsbau Antriebseinheit für Nebenaggregate von Kraftfahrzeugen, sowie Antrieb von Nebenaggregaten durch Wellen unterschiedlicher Drehzahl
JPH09217763A (ja) * 1996-02-14 1997-08-19 Toyota Motor Corp 動力伝達装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012015A1 (fr) * 1978-12-01 1980-06-11 The Jacobs Manufacturing Company Appareil délivrant des quantités variables d'un fluide
EP1586785A2 (fr) * 2004-04-06 2005-10-19 MAN Nutzfahrzeuge Aktiengesellschaft Arrangement et méthode d'accouplement d'un compresseur d'air à l'arbre d'entraínement d'un moteur de combustion

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014023744A1 *

Also Published As

Publication number Publication date
CN204592073U (zh) 2015-08-26
JP2015525862A (ja) 2015-09-07
DE102012213985A1 (de) 2014-02-13
US20150204329A1 (en) 2015-07-23
WO2014023744A1 (fr) 2014-02-13

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