WO1992012887A1 - Hydraulische servolenkung für kraftfahrzeuge - Google Patents
Hydraulische servolenkung für kraftfahrzeuge Download PDFInfo
- Publication number
- WO1992012887A1 WO1992012887A1 PCT/EP1992/000070 EP9200070W WO9212887A1 WO 1992012887 A1 WO1992012887 A1 WO 1992012887A1 EP 9200070 W EP9200070 W EP 9200070W WO 9212887 A1 WO9212887 A1 WO 9212887A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pump
- steering
- motor
- power
- housing
- Prior art date
Links
Classifications
-
- 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
-
- 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
- B62D5/20—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application
- B62D5/22—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application for rack-and-pinion type
Definitions
- Hydraulic power steering for motor vehicles consisting of a steering gear with housing, steering shaft and rack, a hydraulic cylinder connected to the rack, a pump and a steering valve which controls the pressure medium flow from the pump to the hydraulic cylinder depending on the actuation of the steering.
- Such steering systems are installed in many PK's, especially in the luxury class.
- the individual parts are usually inserted one after the other directly into the body on the assembly line of the automobile manufacturer. After installation, the system is filled with pressure medium, vented and tested. If a defect is found here, the defective parts have to be removed and replaced with great effort, this is expensive, as is the necessary storage by the vehicle manufacturer.
- the invention is therefore based on the task of producing a fully assembled, tested and filled hydraulic see power steering that meets today's requirements for industrial production, logistical processes and recycling and is also inexpensive.
- An advantageous development of the invention provides that the pump is driven by an electric motor and that the latter is firmly connected to the pump.
- pumps driven by internal combustion engines which have to be driven from the crankshaft via a belt and in which the drive belt can only be attached after installation in the vehicle
- pumps driven by an electric motor can be used together with the motor in the Unit are installed. After installing the unit in the motor vehicle, only a cable connector for powering the engine needs to be connected to the vehicle electrical system.
- damping elements are attached between the pump and the other parts. are ordered. This measure prevents the vibrations which inevitably occur during operation of the pump from being transmitted to other elements.
- Sound absorption is particularly effective if the damping elements are attached to the pump housing in the area of vibration nodes.
- the lowest vibration amplitudes occur in the nodes, so the vibrations are only transmitted relatively weakly at these points anyway.
- Fig. 1 is a power steering, in which all parts form a unit and
- Fig. 2 is a damping element, enlarged.
- the power steering system is shown schematically.
- the hydraulic cylinder 2 and the toothed rack 3 are located in the housing 1.
- the steering shaft 4 protrudes from a section 5 of the housing 1.
- the steering valve 6 is fixedly connected to the housing 1 in front of the steering shaft 4.
- the motor-pump unit 8 is also fixed to the housing via the pump holder 7 attached to the housing 1
- control unit On the steering shaft 4 there is a steering angle and / or steering speed sensor (not shown), the output signal of which is fed to a control unit, which is advantageously integrated into the motor-pump unit 8.
- the control unit is supplied with further signals, such as a signal corresponding to the vehicle speed.
- the control unit controls the voltage supply to the pump motor, for example via a switch 15 in the electrical connection 16 between the motor-pump unit 8 and the accumulator 17 of the motor vehicle, so that all electrical consumers can be prevented immediately when the ignition key is turned start up. A delay of a few seconds is advisable to avoid a current spike.
- damping elements 20 and 21 are shown enlarged in FIG.
- the screw 22 screwed to the motor-pump unit 8 has no direct contact with the pump holder 7, but is only in contact with the damping element 20 or 21.
- the damping elements 20 and 21 are still surrounded by a sleeve 23 or 24 for stabilization. The arrangement enables almost complete structure-borne noise insulation between the motor-pump unit 8 and the housing 1.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/927,300 US5307894A (en) | 1991-01-26 | 1992-01-15 | Hydraulic power steering system for automotive vehicles |
JP92502478A JPH05505370A (ja) | 1991-01-26 | 1992-01-15 | 自動車用液圧式パワーステアリング装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4102264.5 | 1991-01-26 | ||
DE4102264A DE4102264C2 (de) | 1991-01-26 | 1991-01-26 | Hydraulische Servolenkung für Kraftfahrzeuge |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992012887A1 true WO1992012887A1 (de) | 1992-08-06 |
Family
ID=6423738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1992/000070 WO1992012887A1 (de) | 1991-01-26 | 1992-01-15 | Hydraulische servolenkung für kraftfahrzeuge |
Country Status (5)
Country | Link |
---|---|
US (1) | US5307894A (de) |
EP (1) | EP0522109A1 (de) |
JP (1) | JPH05505370A (de) |
DE (1) | DE4102264C2 (de) |
WO (1) | WO1992012887A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0779204A1 (de) * | 1995-12-11 | 1997-06-18 | Volkswagen Aktiengesellschaft | Hilfsrahmen mit einem Leichtmetall-Gussgehäuse einer Zahnstangenlenkung |
WO2016083067A1 (de) * | 2014-11-26 | 2016-06-02 | Robert Bosch Automotive Steering Gmbh | Lenksystem für ein kraftfahrzeug |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4303674A1 (de) * | 1993-02-09 | 1994-08-11 | Teves Gmbh Alfred | Halterung für Motor-Pumpen-Aggregat |
CA2551185C (en) | 1994-03-28 | 2007-10-30 | Sdgi Holdings, Inc. | Apparatus and method for anterior spinal stabilization |
DE19715808A1 (de) * | 1997-04-16 | 1998-10-22 | Bayerische Motoren Werke Ag | Zahnstangen-Hydro-Lenkung für Fahrzeuge |
US6419042B1 (en) * | 2000-10-03 | 2002-07-16 | Trw Inc. | Integrated electric power hydraulic steering system |
JP2004353786A (ja) * | 2003-05-29 | 2004-12-16 | Favess Co Ltd | 弾性支持構造およびこれを用いるパワーステアリング装置 |
JP2006205792A (ja) * | 2005-01-25 | 2006-08-10 | Showa Corp | 電動舵取補助装置 |
DE202005006414U1 (de) * | 2005-04-21 | 2005-08-04 | Trw Automotive Gmbh | Motor-Pumpen-Aggregat, insbesondere für eine Fahrzeug-Servolenkung |
US7282875B2 (en) * | 2005-08-31 | 2007-10-16 | Caterpillar Inc. | System and method for electric motor control |
JP5920190B2 (ja) * | 2012-11-30 | 2016-05-18 | 株式会社デンソー | 熱交換器の固定構造 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0053429A2 (de) * | 1980-11-03 | 1982-06-09 | Clark Equipment Company | Servolenkungseinrichtung |
US4351228A (en) * | 1980-07-02 | 1982-09-28 | General Motors Corporation | Power assist rack and pinion steering gear |
DE3324035A1 (de) * | 1982-07-21 | 1984-01-26 | Cam Gears Ltd., Hitchin, Hertfordshire | Anordnung mit einem arbeitszylinder mit beiderseitigen kolbenstangen, insbesondere fuer servolenkgetriebe, und verfahren zu seiner herstellung |
US4721175A (en) * | 1985-12-06 | 1988-01-26 | Trw Cam Gears Limited | Rack and pinion steering gear assembly |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2931541C2 (de) * | 1979-08-03 | 1986-09-11 | O & K Orenstein & Koppel Ag, 1000 Berlin | Schaltbare hydraulische Lenkhilfe für ein durch einen Elektromotor angetriebenes Fahrzeug |
JPS58156857A (ja) * | 1982-03-15 | 1983-09-17 | Tokai T R W Kk | 回転検出装置 |
JPS60201194A (ja) * | 1984-03-23 | 1985-10-11 | トヨタ自動車株式会社 | 流体圧用ホ−ス |
JPS6192960A (ja) * | 1984-10-11 | 1986-05-10 | Honda Motor Co Ltd | 電動式パワ−ステアリング装置 |
DE3603742A1 (de) * | 1985-02-06 | 1986-08-14 | Aisin Seiki K.K., Kariya, Aichi | Hydraulik-pumpen-aufbau in verbindung mit einem speicher |
US4673051A (en) * | 1986-03-10 | 1987-06-16 | General Motors Corporation | Power steering gear with two-way check valve |
US4742882A (en) * | 1986-03-12 | 1988-05-10 | Honda Giken Kogyo Kabushiki Kaisha | Motor-driven power steering device |
US4821828A (en) * | 1987-06-08 | 1989-04-18 | General Motors Corporation | Dynamic absorber for motor vehicle |
DE3726979A1 (de) * | 1987-08-13 | 1989-02-23 | Opel Adam Ag | Hydraulikeinheit fuer ein kraftfahrzeug |
DE3743061C1 (en) * | 1987-12-18 | 1989-04-13 | Opel Adam Ag | Steering boost for motor vehicles |
US5141069A (en) * | 1988-09-13 | 1992-08-25 | Aisin Seiki Kabushiki Kaisha | Steering mechanism with toe-in control |
JPH0275375U (de) * | 1988-11-30 | 1990-06-08 | ||
US5096153A (en) * | 1990-10-19 | 1992-03-17 | Onan Corporation | Shock and vibration mount |
-
1991
- 1991-01-26 DE DE4102264A patent/DE4102264C2/de not_active Expired - Lifetime
-
1992
- 1992-01-15 WO PCT/EP1992/000070 patent/WO1992012887A1/de not_active Application Discontinuation
- 1992-01-15 JP JP92502478A patent/JPH05505370A/ja active Pending
- 1992-01-15 EP EP92902441A patent/EP0522109A1/de not_active Ceased
- 1992-01-15 US US07/927,300 patent/US5307894A/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4351228A (en) * | 1980-07-02 | 1982-09-28 | General Motors Corporation | Power assist rack and pinion steering gear |
EP0053429A2 (de) * | 1980-11-03 | 1982-06-09 | Clark Equipment Company | Servolenkungseinrichtung |
DE3324035A1 (de) * | 1982-07-21 | 1984-01-26 | Cam Gears Ltd., Hitchin, Hertfordshire | Anordnung mit einem arbeitszylinder mit beiderseitigen kolbenstangen, insbesondere fuer servolenkgetriebe, und verfahren zu seiner herstellung |
US4721175A (en) * | 1985-12-06 | 1988-01-26 | Trw Cam Gears Limited | Rack and pinion steering gear assembly |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0779204A1 (de) * | 1995-12-11 | 1997-06-18 | Volkswagen Aktiengesellschaft | Hilfsrahmen mit einem Leichtmetall-Gussgehäuse einer Zahnstangenlenkung |
WO2016083067A1 (de) * | 2014-11-26 | 2016-06-02 | Robert Bosch Automotive Steering Gmbh | Lenksystem für ein kraftfahrzeug |
Also Published As
Publication number | Publication date |
---|---|
US5307894A (en) | 1994-05-03 |
EP0522109A1 (de) | 1993-01-13 |
JPH05505370A (ja) | 1993-08-12 |
DE4102264A1 (de) | 1992-07-30 |
DE4102264C2 (de) | 2003-03-27 |
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