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US20100086417A1 - Motor pump unit, in paticular for vehicle power steering - Google Patents

Motor pump unit, in paticular for vehicle power steering Download PDF

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Publication number
US20100086417A1
US20100086417A1 US11/919,086 US91908606A US2010086417A1 US 20100086417 A1 US20100086417 A1 US 20100086417A1 US 91908606 A US91908606 A US 91908606A US 2010086417 A1 US2010086417 A1 US 2010086417A1
Authority
US
United States
Prior art keywords
motor
pump unit
ecu
housing
pump
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.)
Abandoned
Application number
US11/919,086
Inventor
Robert Engler
Kai Grebe
Martin Jordan
Frank Ott
Hardy Wilkendorf
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.)
BCS Automotive Interface Solutions GmbH
ixetic Bad Homburg GmbH
ZF Automotive Germany GmbH
Original Assignee
Individual
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=34833398&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20100086417(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Assigned to IXETIC BAD HOMBURG GMBH reassignment IXETIC BAD HOMBURG GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PARSCH, WILLI
Assigned to TRW AUTOMOTIVE GMBH, TRW AUTOMOTIVE ELECTRONICS & COMPONENTS GMBH & CO. KG reassignment TRW AUTOMOTIVE GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: OTT, FRANK, WILKENDORF, HARDY, JORDAN, MARTIN, ENGLER, ROBERT, GREBE, KAI
Publication of US20100086417A1 publication Critical patent/US20100086417A1/en
Abandoned legal-status Critical Current

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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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/062—Details, component parts
    • B62D5/064—Pump driven independently from vehicle engine, e.g. electric driven pump
    • 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
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • 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
    • F04C2/18—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 with similar tooth forms

Definitions

  • a motor/pump unit Various embodiments of a motor/pump unit are described herein.
  • the embodiments described herein relate to an improved motor/pump unit for a vehicle power steering system.
  • Known motor/pump units include a drive motor, a pump, and a tank.
  • the pump serves to make hydraulic fluid under pressure available to a power steering system.
  • the motor/pump unit no longer has an internal tank, but that an external tank is used.
  • the motor/pump unit includes a housing and at least one of: an external tank; an ECU axially disposed at the housing of the motor/pump unit; an ECU radially disposed at the housing of the motor/pump unit; electrical connector plugs of the ECU that are radially disposed; electrical connector plugs to the ECU that are axially disposed; a lead frame of the ECU that is configured in the shape of a dish; a lead frame of the ECU that is externally attached to the housing of the motor/pump unit; and a pressure limitation and check valve that is attached laterally of the pump of the motor/pump unit.
  • the motor/pump unit is also one of firmly attached to the steering gear and integrated in the steering gear.
  • FIG. 1A is perspective view of prior art a motor/pump unit.
  • FIG. 1B is a perspective view of a first embodiment of a motor/pump unit.
  • FIG. 2A is a cross-sectional perspective view of a portion of the prior art motor/pump unit illustrated in FIG. 1A .
  • FIG. 2B is a cross-sectional perspective view of a portion of the motor/pump unit illustrated in FIG. 1B .
  • FIG. 3A is a bottom view in perspective of the prior art motor/pump unit illustrated in FIG. 1A .
  • FIG. 3B is a top perspective view of the lead frame illustrated in FIG. 1B .
  • FIG. 3C is a bottom perspective view of the lead frame illustrated in FIG. 1B .
  • FIG. 3 d is a bottom perspective view of the cap plate.
  • FIG. 4A is a perspective view of the motor/pump unit illustrated in FIG. 1B .
  • FIG. 4B is a perspective view of a first alternate embodiment of the motor/pump unit illustrated in FIGS. 1B and 4A .
  • FIG. 4C is a perspective view of a second alternate embodiment of the motor/pump unit illustrated in FIGS. 1B and 4A .
  • FIG. 5 a cross-sectional perspective view of a portion of the motor/pump unit illustrated in FIG. 1B .
  • FIG. 6 is a perspective view of the motor/pump unit illustrated in FIG. 1B in a separate arrangement from the steering gear.
  • FIG. 7 is a perspective view of the motor/pump unit illustrated in FIG. 1B is directly attached to the housing of the steering gear.
  • FIG. 1A a conventional motor/pump unit 50 can be seen as compared to an embodiment of a motor/pump unit 60 . It is apparent that the motor/pump unit 60 is configured more compactly in every direction. In the longitudinal direction, i.e. upwards referring to FIGS. 1A and 1B , a saving on space results, because the pressure limitation and check valve 1 provided therein (see FIG. 2A ) is disposed laterally of the pump 62 and not in the extension of the pump 52 , as in the prior art motor/pump unit 50 illustrated in FIG. 2A .
  • the ECU 64 of the motor/pump unit 60 (disposed at the lower end of the pump) has considerably smaller dimensions than the ECU 54 shown in FIG. 1A .
  • the lead frame 2 (see also FIGS. 3B and 3C ) is configured in the shape of a dish having an inner parting wall 3 , some components being disposed above the parting wall and other components being disposed below the same.
  • the power module 4 and the printed circuit board 5 are disposed on the upper side of the dish, the printed circuit board 5 being populated on both sides.
  • the lower chamber of the lead frame 2 is closed by a cap plate 6 , shown in FIG. 3D .
  • the lead frame 2 is completely placed on the lower section of the housing of the motor/pump unit 60 , a metal hood 7 (see FIG. 41B and FIG. 4A ) being provided, this metal hood 7 encompassing the lead frame 2 and being crimped into a circumferential groove 66 at the housing such that the lead frame 2 is firmly attached to the housing of the motor/pump unit 60 .
  • the metal hood 7 also serves as a shield against electromagnetic interferences.
  • the plugs 8 of the ECU 64 , 64 ′, and 64 ′′, respectively may be disposed in different orientations (axially and radially). It will be understood that the FIGS. 4A , 4 B, and 4 C each illustrated different exemplary embodiments of the motor/pump unit 60 , 60 ′, and 60 ′′, respectively.
  • the pressure limitation and check valve 1 is disposed laterally next to the pump 62 in such a manner that fluidically the valve 1 communicates with the side of the pump 62 facing the motor.
  • the motor/pump unit 60 is shown in a separate arrangement from the steering gear 13 .
  • an external tank 10 which on the one hand communicates via hydraulic lines with the motor/pump unit 60 and on the other hand with the power steering valve 11 .
  • the motor/pump unit 60 may be mounted at a suitable location in the engine compartment.
  • FIG. 7 an embodiment is shown in which the motor/pump unit 60 is directly attached to the housing of the steering gear 13 .
  • an external tank 10 is used.
  • the housing of the motor/pump unit 60 may also be integrally embodied with the steering gear 13 according to a further development not represented.

Landscapes

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

Abstract

A motor/pump unit includes a housing and at least one of: an external tank; an ECU axially disposed at the housing of the motor/pump unit; an ECU radially disposed at the housing of the motor/pump unit; electrical connector plugs of the ECU that are radially disposed; electrical connector plugs to the ECU that are axially disposed; a lead frame of the ECU that is configured in the shape of a dish; a lead frame of the ECU that is externally attached to the housing of the motor/pump unit; and a pressure limitation and check valve that is attached laterally of the pump of the motor/pump unit. The motor/pump unit is also one of firmly attached to the steering gear and integrated in the steering gear.

Description

    CROSS-REFERENCE TO RELATED APPLICATIONS
  • This application is a national stage of International Application No. PCT/EP2006/003376 filed Apr. 12, 2006, which claimed priority to German Patent Application No. 20 2005 006 414.9 filed Apr. 21, 2005, the disclosures of both are incorporated herein by reference.
    • BACKGROUND
  • Various embodiments of a motor/pump unit are described herein. In particular, the embodiments described herein relate to an improved motor/pump unit for a vehicle power steering system.
  • Known motor/pump units include a drive motor, a pump, and a tank. The pump serves to make hydraulic fluid under pressure available to a power steering system.
    • BRIEF SUMMARY
  • The present application describes various embodiments of a particularly compact motor/pump unit. In one embodiment, the motor/pump unit no longer has an internal tank, but that an external tank is used. In another embodiment, the motor/pump unit includes a housing and at least one of: an external tank; an ECU axially disposed at the housing of the motor/pump unit; an ECU radially disposed at the housing of the motor/pump unit; electrical connector plugs of the ECU that are radially disposed; electrical connector plugs to the ECU that are axially disposed; a lead frame of the ECU that is configured in the shape of a dish; a lead frame of the ECU that is externally attached to the housing of the motor/pump unit; and a pressure limitation and check valve that is attached laterally of the pump of the motor/pump unit. The motor/pump unit is also one of firmly attached to the steering gear and integrated in the steering gear.
  • Some advantages of the various embodiments of the motor/pump unit include the following:
      • The electronic control unit (ECU) may axially or radially be attached to the motor/pump unit, it being possible to arrange the plugs both radially and axially.
      • The pressure limitation and check valve is disposed laterally of the pump.
      • The motor/pump unit may directly be attached to the steering gear, may be integrated in the latter, or may also be disposed at a distance therefrom, provision being made for an external tank which is connected via lines to the motor/pump unit.
  • Other advantages of the motor/pump unit will become apparent to those skilled in the art from the following detailed description, when read in light of the accompanying drawings.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1A is perspective view of prior art a motor/pump unit.
  • FIG. 1B is a perspective view of a first embodiment of a motor/pump unit.
  • FIG. 2A is a cross-sectional perspective view of a portion of the prior art motor/pump unit illustrated in FIG. 1A.
  • FIG. 2B is a cross-sectional perspective view of a portion of the motor/pump unit illustrated in FIG. 1B.
  • FIG. 3A is a bottom view in perspective of the prior art motor/pump unit illustrated in FIG. 1A.
  • FIG. 3B is a top perspective view of the lead frame illustrated in FIG. 1B.
  • FIG. 3C is a bottom perspective view of the lead frame illustrated in FIG. 1B.
  • FIG. 3 d is a bottom perspective view of the cap plate.
  • FIG. 4A is a perspective view of the motor/pump unit illustrated in FIG. 1B.
  • FIG. 4B is a perspective view of a first alternate embodiment of the motor/pump unit illustrated in FIGS. 1B and 4A.
  • FIG. 4C is a perspective view of a second alternate embodiment of the motor/pump unit illustrated in FIGS. 1B and 4A.
  • FIG. 5 a cross-sectional perspective view of a portion of the motor/pump unit illustrated in FIG. 1B.
  • FIG. 6 is a perspective view of the motor/pump unit illustrated in FIG. 1B in a separate arrangement from the steering gear.
  • FIG. 7 is a perspective view of the motor/pump unit illustrated in FIG. 1B is directly attached to the housing of the steering gear.
    •  DETAILED DESCRIPTION
  • In FIG. 1A, a conventional motor/pump unit 50 can be seen as compared to an embodiment of a motor/pump unit 60. It is apparent that the motor/pump unit 60 is configured more compactly in every direction. In the longitudinal direction, i.e. upwards referring to FIGS. 1A and 1B, a saving on space results, because the pressure limitation and check valve 1 provided therein (see FIG. 2A) is disposed laterally of the pump 62 and not in the extension of the pump 52, as in the prior art motor/pump unit 50 illustrated in FIG. 2A.
  • By means of an improved design of the ECU 64 a considerably smaller space is required. As can be seen by comparing the two motor/pump unit 50 of FIG. 1A and the motor/pump unit 60 of FIG. 1B, the ECU 64 of the motor/pump unit 60 (disposed at the lower end of the pump) has considerably smaller dimensions than the ECU 54 shown in FIG. 1A. For this purpose, the lead frame 2 (see also FIGS. 3B and 3C) is configured in the shape of a dish having an inner parting wall 3, some components being disposed above the parting wall and other components being disposed below the same. In particular, the power module 4 and the printed circuit board 5 are disposed on the upper side of the dish, the printed circuit board 5 being populated on both sides. The lower chamber of the lead frame 2 is closed by a cap plate 6, shown in FIG. 3D. The lead frame 2 is completely placed on the lower section of the housing of the motor/pump unit 60, a metal hood 7 (see FIG. 41B and FIG. 4A) being provided, this metal hood 7 encompassing the lead frame 2 and being crimped into a circumferential groove 66 at the housing such that the lead frame 2 is firmly attached to the housing of the motor/pump unit 60. The metal hood 7 also serves as a shield against electromagnetic interferences.
  • As is apparent with the aid of FIGS. 4A, 4B, and 4C, the plugs 8 of the ECU 64, 64′, and 64″, respectively, may be disposed in different orientations (axially and radially). It will be understood that the FIGS. 4A, 4B, and 4C each illustrated different exemplary embodiments of the motor/ pump unit 60, 60′, and 60″, respectively.
  • As can be seen in FIG. 5, the pressure limitation and check valve 1 is disposed laterally next to the pump 62 in such a manner that fluidically the valve 1 communicates with the side of the pump 62 facing the motor.
  • In FIG. 6, the motor/pump unit 60 is shown in a separate arrangement from the steering gear 13. Provided is an external tank 10 which on the one hand communicates via hydraulic lines with the motor/pump unit 60 and on the other hand with the power steering valve 11. In the illustrated embodiment, the motor/pump unit 60 may be mounted at a suitable location in the engine compartment.
  • In FIG. 7, an embodiment is shown in which the motor/pump unit 60 is directly attached to the housing of the steering gear 13. In this arrangement as well, an external tank 10 is used. As an alternative to the embodiment shown, in which the motor/pump unit 60 is secured to the steering gear 13 by means of fastening clamps 12, the housing of the motor/pump unit 60 may also be integrally embodied with the steering gear 13 according to a further development not represented.
  • In accordance with the provisions of the patent statutes, the principle and mode of operation of the motor/pump unit have been explained and illustrated in its preferred embodiment. However, it must be understood that motor/pump units described herein may be practiced otherwise than as specifically explained and illustrated without departing from its spirit or scope.

Claims (1)

1. A motor/pump unit having a housing and comprising at least one of:
an external tank;
an ECU axially disposed at the housing of the motor/pump unit;
an ECU radially disposed at the housing of the motor/pump unit;
electrical connector plugs of the ECU that are radially disposed;
electrical connector plugs to the ECU that are axially disposed;
a lead frame of the ECU that is configured in the shape of a dish;
a lead frame of the ECU that is externally attached to the housing of the motor/pump unit; and
a pressure limitation and check valve that is attached laterally of the pump of the motor/pump unit;
wherein the motor/pump unit is one of firmly attached to the steering gear and integrated in the steering gear.
US11/919,086 2005-04-21 2006-04-12 Motor pump unit, in paticular for vehicle power steering Abandoned US20100086417A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202005006414.9 2005-04-21
DE200520006414 DE202005006414U1 (en) 2005-04-21 2005-04-21 Motor pump unit for servo steering of vehicle has external tank, ECU fitted axially or radially to the unit housing and ECU plugs arranged radially or axially
PCT/EP2006/003376 WO2006111314A1 (en) 2005-04-21 2006-04-12 Motor/pump unit, particularly for a vehicle power steering system

Publications (1)

Publication Number Publication Date
US20100086417A1 true US20100086417A1 (en) 2010-04-08

Family

ID=34833398

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/919,086 Abandoned US20100086417A1 (en) 2005-04-21 2006-04-12 Motor pump unit, in paticular for vehicle power steering

Country Status (3)

Country Link
US (1) US20100086417A1 (en)
DE (2) DE202005006414U1 (en)
WO (1) WO2006111314A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110497963A (en) * 2019-07-25 2019-11-26 东风商用车有限公司 A kind of electric powered steering oil pump assy application method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006017011A1 (en) * 2006-04-11 2007-10-18 Trw Automotive Gmbh Holder for a motor-pump unit, in particular for a power steering
DE102015222864C5 (en) * 2015-11-19 2024-03-07 Volkswagen Aktiengesellschaft Servo system and hydraulic steering system for a vehicle
CN110509988A (en) * 2019-07-25 2019-11-29 东风商用车有限公司 A kind of integrated form double source EHPS system

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* Cited by examiner, † Cited by third party
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US4904162A (en) * 1986-01-17 1990-02-27 Mitsubishi Denki Kabushiki Kaisha Fuel supplying pump
US4998865A (en) * 1988-07-11 1991-03-12 Aisan Kogyo Kabushiki Kaisha Brushless DC pump with enclosed circuit board
US5307894A (en) * 1991-01-26 1994-05-03 Alfred Teves Gmbh Hydraulic power steering system for automotive vehicles
US5360322A (en) * 1991-06-22 1994-11-01 Alfred Teves Gmbh Hydraulic pump driven by an electric motor
US5372214A (en) * 1992-03-27 1994-12-13 Toyoda Koki Kabushiki Kaisha Power steering apparatus
US5692883A (en) * 1995-08-30 1997-12-02 Hydroperfect International Compact electro-hydraulic unit
US5762481A (en) * 1995-03-23 1998-06-09 Nippondenso Co., Ltd. In-tank type fuel pump
US5904222A (en) * 1996-11-06 1999-05-18 Ford Motor Company Variable assist power steering using vehicle speed and steering pressure
US6132184A (en) * 1998-11-05 2000-10-17 Ford Motor Company Reservoir apparatus for an electronically controlled electric pump
US6419042B1 (en) * 2000-10-03 2002-07-16 Trw Inc. Integrated electric power hydraulic steering system
US20040013544A1 (en) * 2002-07-15 2004-01-22 Kazuya Kimura Electric compressor
US20040202555A1 (en) * 2003-04-11 2004-10-14 Mitsubishi Denki Kabushiki Kaisha Electro-hydraulic power steering apparatus
US20060039804A1 (en) * 2003-02-17 2006-02-23 Martin Jordan Motor-pump unit
US7015605B1 (en) * 1998-11-05 2006-03-21 Trw Automotive Electronics & Components Gmbh & Co. Kg Electromotive drive system for use with a pump of a power-assisted steering system in a motor vehicle

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JPH06107191A (en) * 1992-09-30 1994-04-19 Toyoda Mach Works Ltd Power steering device
DE4418271A1 (en) * 1994-05-26 1995-11-30 Voith Gmbh J M Drive unit with minimum number of additional parts
DE19628781A1 (en) * 1996-07-17 1998-01-22 Voith Turbo Kg Pump unit with a drive cooling system using the liquid to be pumped
ES2180296T3 (en) * 1999-03-02 2003-02-01 Siemens Ag ENGINE DRIVE ASSEMBLY, ESPECIALLY MOTOR PUMP ASSEMBLY FOR AN ANTIBLOCKING BRAKE DEVICE FOR CARS.
US6257364B1 (en) * 2000-01-20 2001-07-10 Ford Global Technologies, Inc. Submersible electro-hydraulic powerpack for underhood automotive steering applications

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904162A (en) * 1986-01-17 1990-02-27 Mitsubishi Denki Kabushiki Kaisha Fuel supplying pump
US4998865A (en) * 1988-07-11 1991-03-12 Aisan Kogyo Kabushiki Kaisha Brushless DC pump with enclosed circuit board
US5307894A (en) * 1991-01-26 1994-05-03 Alfred Teves Gmbh Hydraulic power steering system for automotive vehicles
US5360322A (en) * 1991-06-22 1994-11-01 Alfred Teves Gmbh Hydraulic pump driven by an electric motor
US5372214A (en) * 1992-03-27 1994-12-13 Toyoda Koki Kabushiki Kaisha Power steering apparatus
US5762481A (en) * 1995-03-23 1998-06-09 Nippondenso Co., Ltd. In-tank type fuel pump
US5692883A (en) * 1995-08-30 1997-12-02 Hydroperfect International Compact electro-hydraulic unit
US5904222A (en) * 1996-11-06 1999-05-18 Ford Motor Company Variable assist power steering using vehicle speed and steering pressure
US6132184A (en) * 1998-11-05 2000-10-17 Ford Motor Company Reservoir apparatus for an electronically controlled electric pump
US7015605B1 (en) * 1998-11-05 2006-03-21 Trw Automotive Electronics & Components Gmbh & Co. Kg Electromotive drive system for use with a pump of a power-assisted steering system in a motor vehicle
US6419042B1 (en) * 2000-10-03 2002-07-16 Trw Inc. Integrated electric power hydraulic steering system
US20040013544A1 (en) * 2002-07-15 2004-01-22 Kazuya Kimura Electric compressor
US20060039804A1 (en) * 2003-02-17 2006-02-23 Martin Jordan Motor-pump unit
US20040202555A1 (en) * 2003-04-11 2004-10-14 Mitsubishi Denki Kabushiki Kaisha Electro-hydraulic power steering apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110497963A (en) * 2019-07-25 2019-11-26 东风商用车有限公司 A kind of electric powered steering oil pump assy application method

Also Published As

Publication number Publication date
WO2006111314A1 (en) 2006-10-26
DE202005006414U1 (en) 2005-08-04
DE112006000919A5 (en) 2008-07-17
DE112006000919B4 (en) 2018-06-21

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AS Assignment

Owner name: IXETIC BAD HOMBURG GMBH,GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PARSCH, WILLI;REEL/FRAME:020044/0245

Effective date: 20070814

AS Assignment

Owner name: TRW AUTOMOTIVE GMBH,GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ENGLER, ROBERT;GREBE, KAI;JORDAN, MARTIN;AND OTHERS;SIGNING DATES FROM 20080618 TO 20080624;REEL/FRAME:023578/0708

Owner name: TRW AUTOMOTIVE ELECTRONICS & COMPONENTS GMBH & CO.

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ENGLER, ROBERT;GREBE, KAI;JORDAN, MARTIN;AND OTHERS;SIGNING DATES FROM 20080618 TO 20080624;REEL/FRAME:023578/0708

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION

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