EP2516860B1 - Commande hydraulique - Google Patents
Commande hydraulique Download PDFInfo
- Publication number
- EP2516860B1 EP2516860B1 EP10808974.9A EP10808974A EP2516860B1 EP 2516860 B1 EP2516860 B1 EP 2516860B1 EP 10808974 A EP10808974 A EP 10808974A EP 2516860 B1 EP2516860 B1 EP 2516860B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydraulic
- pump
- control
- pumps
- control plate
- 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.)
- Not-in-force
Links
Images
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
- 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
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
-
- 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
-
- 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
- F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
-
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/06—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for stopping, starting, idling or no-load operation
- F04C14/065—Capacity control using a multiplicity of units or pumping capacities, e.g. multiple chambers, individually switchable or controllable
-
- 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
- F04C15/0073—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
-
- 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
- F04C15/0076—Fixing rotors on shafts, e.g. by clamping together hub and shaft
-
- 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
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/086—Carter
-
- 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
Definitions
- the invention relates to a hydraulic control with a control plate assembly and with a hydraulic conveyor for conveying a hydraulic medium.
- an oil supply (usually pump with pump drive) is necessary.
- the pump drive is a mechanical pump drive, which is coupled to the combustion engine.
- the object of the invention is to provide a simple way of supplying different supply areas with hydraulic medium.
- the object is achieved in a hydraulic control with a control plate assembly and with a hydraulic conveyor for conveying a hydraulic medium with the features of claim 1.
- the control plate assembly includes at least one control plate, which includes, for example, hydraulic channels and hydraulic connections for hydraulic valves.
- a first hydraulic pump is integrated in a first control plate of the control plate assembly.
- the first hydraulic pump is used, for example, to supply an actuator system of a parallel shift transmission with hydraulic oil.
- the actuator system is preferably equipped with a pressure accumulator which is filled or charged with the aid of the first hydraulic pump.
- the first hydraulic pump preferably delivers a relatively low hydraulic medium volume flow, but with a relatively high pressure.
- a second hydraulic pump is integrated in a second control plate of the control plate assembly.
- the second hydraulic pump is used, for example, to supply a wet clutch with cooling medium, in particular cooling oil.
- the second hydraulic pump delivers a relatively large hydraulic medium volume flow, but with a relatively low pressure.
- the two hydraulic pumps are drivingly coupled to each other via a switchable coupling. Due to the switchable coupling, the two hydraulic pumps can be coupled to the electric motor so that they are simultaneously driven by the electric motor. If required, one of the hydraulic pumps can be decoupled from the electric motor by means of the switchable clutch. Then only one of the hydraulic pumps is driven by the electric motor. When the electric motor is switched off, then none of the hydraulic pumps is driven.
- a further preferred embodiment of the hydraulic control is characterized in that the two hydraulic pumps are driven by a single electric motor.
- An otherwise required second electric motor for driving the second hydraulic pump can be omitted.
- the electric motor is preferably mounted on the outside of the first control plate.
- the two hydraulic pumps are preferably completely in the two control plates the control plate assembly arranged. Thus, no additional space, especially no housing needed for the hydraulic pumps.
- Another preferred embodiment of the hydraulic control is characterized in that the two hydraulic pumps are connected in series.
- the two hydraulic pumps are preferably arranged adjacent to one another in the two control plates.
- the hydraulic pumps are preferably arranged so that they have a common drive rotational axis, which coincides with the drive rotational axis of the electric motor.
- control plates are pump housings for the hydraulic pumps.
- a further preferred embodiment of the hydraulic control is characterized in that the two hydraulic pumps are designed as gear pumps, in particular external gear pumps. All pump gears of the two gear pumps are arranged in the control plates. The storage of the pump gears is also integrated in the control plates.
- a further preferred embodiment of the hydraulic control is characterized in that the two hydraulic pumps are driven by a common pump shaft.
- the common pump shaft is, preferably coupled via an Oldham coupling with the common electric motor, that is drivingly connected.
- the Oldham coupling is preferably located at one end of the common pump shaft.
- the shiftable clutch is preferably arranged at the other end of the common pump shaft.
- the plummer block includes, for example, a plummer block sleeve which is fixedly connected to the first control plate, for example, is pressed into this, and in a receiving space for the second hydraulic pump protrudes, which is recessed in the second control plate.
- the hydraulic control 1 for a parallel shift transmission of a motor vehicle is shown in various sectional views and states.
- the hydraulic control 1 comprises a control plate assembly 10 having a first control plate 11 and a second control plate 12. Between the two control plates 11 and 12, an intermediate plate 13 is arranged.
- a hydraulic conveyor 14 is integrated, which includes a first hydraulic pump 15 and a second hydraulic pump 16.
- the two hydraulic pumps 15, 16 are both driven by a single electric motor 18.
- the electric motor 18 is attached to the side facing away from the second control plate 12 of the first control plate 11.
- a receiving space for the hydraulic conveyor 14 in the two control plates 11, 12 is closed hydraulically sealed by a cover 19 with a corresponding seal.
- the two hydraulic pumps 15, 16 are both driven by a common pump shaft 20 by the electric motor 18.
- the common pump shaft 20 extends in the two control plates 11 and 12 through the intermediate plate 13 therethrough.
- One end of the pump shaft 20 is rotatably connected via an Oldham coupling 22 with a drive shaft of the electric motor 18.
- Both hydraulic pumps 15, 16 are designed as external gear pumps in which hydraulic medium, in particular hydraulic oil, is taken along in tooth spaces and conveyed along a control plate inner wall from a suction space to a pressure space. The engagement of gear teeth prevents unwanted backflow of the hydraulic medium.
- a negative pressure is created on one suction side and an overpressure on one pressure side.
- the common pump shaft 20 is rotatably connected via a transverse pin 23 with a pump gear 24 of the first hydraulic pump 15.
- the pump gear 24 driven by the pump shaft 20 meshes with another pump gear 28 of the first hydraulic pump 15.
- the further pump gear 28 of the first hydraulic pump 15 is connected in a rotationally fixed manner to a pump shaft 30 by a further transverse pin 29.
- the pump shaft 30, as well as the pump shaft 20, rotatably mounted in two bearing glasses 25, 26.
- the two pump gears 24, 28 are mounted with the aid of the bearing glasses 25, 26 in the first control plate 11.
- the two bearing glasses 25, 26 provide axial contact surfaces for the pump gears 24, 28 available.
- For gap compensation at least one sealing ring is provided.
- the second hydraulic pump 16 has a significantly lower pressure level than the first hydraulic pump 15 and is installed without bearing glasses directly between the intermediate plate 13 and the second control plate 12.
- a pillow block 34 For storage of the second hydraulic pump 16 is a pillow block 34 which includes a plummer block sleeve which is fixed with one end in the first control plate 11.
- the plummer block sleeve is preferably pressed into the control plate 11 and protrudes into a receiving space for the second hydraulic pump 16 in the second control plate 12.
- a clutch 35 is provided, which via a toothing 36 at the end of the pump shaft 20 rotatably connected to the pump shaft 20 is connected.
- the clutch 35 is connected by positive engagement, for example by two lugs, permanently non-rotatably connected to a pump gear 32 of the second hydraulic pump 16, even when not actuated clutch 35.
- This has the advantage that at a non-actuation of Clutch 35, so when the pump gear 32, and the clutch 35 and an associated sealing ring 37, which serves to seal a pressure chamber, no rotational movement and thus produces no power losses.
- the clutch 35 does not need to be threaded into the pump gear 32 during each shift.
- the pump gear 32 of the second hydraulic pump 16 meshes with a further pump gear 38 which is rotatably supported in the second control plate 12 by means of a further pillow block 39.
- the pillow block 39 comprises a plummer block sleeve, which is pressed with one end into the first control plate 11 and projects with the other end into the second control plate 12.
- the clutch 35 is shown in the actuated state, in which the pump shaft 20 via the transverse pin 23 drivingly connected to the pump gear 24 of the first hydraulic pump 15 and via the actuated clutch 35 is drivingly connected to the pump gear 32 of the second hydraulic pump 16.
- the clutch 35 is actuated via a hydraulic switching signal, which is transmitted via a hydraulic channel 40 hydraulically to the clutch 35.
- the design of the two hydraulic pumps 15, 16 as external gear pumps provides advantages especially at low temperatures, since the external gear pumps then have lower power losses in comparison to other pump concepts.
- the use of the Oldham coupling 22 provides the advantage that axial and radial misalignment between the drive shaft of the electric motor 18 and the pump shaft 20 can be compensated. Due to the complete integration of the two hydraulic pumps 16 and 15 in the control plate assembly 10 additional pump housing and otherwise required hydraulic lines can be completely eliminated.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Transmission Device (AREA)
- Reciprocating Pumps (AREA)
- Jigs For Machine Tools (AREA)
- Details Of Reciprocating Pumps (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Rotary Pumps (AREA)
Claims (7)
- Commande hydraulique comprenant un ensemble de plaques de commande (10) et comprenant un dispositif de refoulement hydraulique (14) pour refouler un fluide hydraulique, une première pompe hydraulique (15) étant intégrée dans une première plaque de commande (11) de l'ensemble de plaques de commande (10) et une deuxième pompe hydraulique (16) étant intégrée dans une deuxième plaque de commande (12) de l'ensemble de plaques de commande (10), caractérisée en ce que les deux pompes hydrauliques (15, 16) peuvent être accouplées l'une à l'autre en entraînement par le biais d'un accouplement commutable (35).
- Commande hydraulique selon la revendication 1, caractérisée en ce que les deux pompes hydrauliques (15, 16) sont entraînées par un moteur électrique commun (18).
- Commande hydraulique selon la revendication 1 ou 2, caractérisée en ce que les deux pompes hydrauliques (15, 16) sont branchées en série.
- Commande hydraulique selon l'une quelconque des revendications 1 à 3, caractérisée en ce que les plaques de commande (11, 12) constituent un carter de pompe pour les pompes hydrauliques (15, 16).
- Commande hydraulique selon l'une quelconque des revendications 1 à 4, caractérisée en ce que les deux pompes hydrauliques (15, 16) sont réalisées sous forme de pompes à engrenages, en particulier sous forme de pompes à engrenages extérieurs.
- Commande hydraulique selon l'une quelconque des revendications 1 à 5, caractérisée en ce que les deux pompes hydrauliques (15, 16) sont entraînées par un arbre de pompe commun (20).
- Commande hydraulique selon la revendication 6, caractérisée en ce qu'une tôle intermédiaire (13) est disposée entre les deux plaques de commande (11, 12), à travers laquelle tôle intermédiaire s'étend un palier à semelle (34) à partir de la première plaque de commande (11) jusque dans la deuxième plaque de commande (12).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009059747 | 2009-12-21 | ||
PCT/DE2010/001456 WO2011076172A2 (fr) | 2009-12-21 | 2010-12-13 | Commande hydraulique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2516860A2 EP2516860A2 (fr) | 2012-10-31 |
EP2516860B1 true EP2516860B1 (fr) | 2014-03-12 |
Family
ID=44196171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10808974.9A Not-in-force EP2516860B1 (fr) | 2009-12-21 | 2010-12-13 | Commande hydraulique |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2516860B1 (fr) |
CN (1) | CN102713296B (fr) |
DE (2) | DE112010004908A5 (fr) |
WO (1) | WO2011076172A2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022228606A1 (fr) * | 2021-04-28 | 2022-11-03 | Schaeffler Technologies AG & Co. KG | Actionneur de pompe hydraulique entraîné par moteur électrique |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012214291A1 (de) | 2011-09-14 | 2013-03-14 | Schaeffler Technologies AG & Co. KG | Hydrauliksteuerung |
DE102012216122A1 (de) | 2011-10-10 | 2013-04-11 | Schaeffler Technologies AG & Co. KG | Fluidische Fördereinrichtung |
DE102013203255A1 (de) | 2012-03-12 | 2013-09-12 | Schaeffler Technologies AG & Co. KG | Fluidsteuerung mit einer Steuerplattenanordnung |
DE102017223675B4 (de) | 2017-12-22 | 2023-01-26 | Eckerle Technologies GmbH | Fluidfördereinrichtung |
DE102019107961A1 (de) * | 2019-03-28 | 2020-10-01 | Schaeffler Technologies AG & Co. KG | Außenzahnradpumpe |
DE102019133966A1 (de) * | 2019-12-11 | 2021-06-17 | Schaeffler Technologies AG & Co. KG | Elektromotorisch angetriebener hydraulischer Pumpenaktor |
WO2022111757A1 (fr) * | 2020-11-24 | 2022-06-02 | Schaeffler Technologies AG & Co. KG | Pompe à engrenages |
DE102021116460A1 (de) | 2021-06-25 | 2022-12-29 | Bühler Motor GmbH | Lageranordnung für einen Pumpenmotor |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB903814A (en) * | 1959-07-30 | 1962-08-22 | Vickers Armstrongs Ltd | Improvements in or relating to gear pumps and motors |
GB1252746A (fr) * | 1967-12-23 | 1971-11-10 | ||
DE4414141A1 (de) * | 1994-04-22 | 1995-10-26 | Zahnradfabrik Friedrichshafen | Hydraulische Schalteinrichtung für ein mehrgängiges Fahrzeuggetriebe |
CN1205415C (zh) * | 2002-12-11 | 2005-06-08 | 涂雪龙 | 一种齿轮泵 |
CN2906137Y (zh) * | 2006-05-17 | 2007-05-30 | 胡远祥 | 改进的外啮合齿轮油泵 |
DE102006025182A1 (de) * | 2006-05-30 | 2007-12-06 | Trw Automotive Gmbh | Zahnradpumpe, insbesondere für eine Servolenkung |
-
2010
- 2010-12-13 CN CN201080058581.4A patent/CN102713296B/zh not_active Expired - Fee Related
- 2010-12-13 DE DE112010004908T patent/DE112010004908A5/de not_active Withdrawn
- 2010-12-13 WO PCT/DE2010/001456 patent/WO2011076172A2/fr active Application Filing
- 2010-12-13 DE DE102010054250A patent/DE102010054250A1/de not_active Withdrawn
- 2010-12-13 EP EP10808974.9A patent/EP2516860B1/fr not_active Not-in-force
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022228606A1 (fr) * | 2021-04-28 | 2022-11-03 | Schaeffler Technologies AG & Co. KG | Actionneur de pompe hydraulique entraîné par moteur électrique |
US12055140B2 (en) | 2021-04-28 | 2024-08-06 | Schaeffler Technologies AG & Co. KG | Electric-motor-driven hydraulic pump actuator |
Also Published As
Publication number | Publication date |
---|---|
CN102713296B (zh) | 2015-11-25 |
WO2011076172A3 (fr) | 2012-08-02 |
EP2516860A2 (fr) | 2012-10-31 |
DE102010054250A1 (de) | 2011-06-22 |
WO2011076172A2 (fr) | 2011-06-30 |
DE112010004908A5 (de) | 2012-10-25 |
CN102713296A (zh) | 2012-10-03 |
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