DE202005006414U1 - 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 - Google Patents

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 Download PDF

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Publication number
DE202005006414U1
DE202005006414U1 DE200520006414 DE202005006414U DE202005006414U1 DE 202005006414 U1 DE202005006414 U1 DE 202005006414U1 DE 200520006414 DE200520006414 DE 200520006414 DE 202005006414 U DE202005006414 U DE 202005006414U DE 202005006414 U1 DE202005006414 U1 DE 202005006414U1
Authority
DE
Germany
Prior art keywords
ecu
pump unit
motor
axially
radially
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.)
Expired - Lifetime
Application number
DE200520006414
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German (de)
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.)
ZF Automotive Germany GmbH
Original Assignee
TRW Automotive GmbH
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Filing date
Publication date
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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=DE202005006414(U1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by TRW Automotive GmbH filed Critical TRW Automotive GmbH
Priority to DE200520006414 priority Critical patent/DE202005006414U1/en
Publication of DE202005006414U1 publication Critical patent/DE202005006414U1/en
Priority to PCT/EP2006/003376 priority patent/WO2006111314A1/en
Priority to US11/919,086 priority patent/US20100086417A1/en
Priority to DE112006000919.2T priority patent/DE112006000919B4/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

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

The motor pump unit has an external tank. Its ECU is fitted axially or radially to the unit housing. The ECU plugs are arranged radially or axially on the housing. The lead frame of the ECU is in the form of a bowl, and is fitted externally to the housing of the motor pump unit. The motor pump unit is fixed to the steering transmission or integrated into it.

Description

Die Erfindung betrifft ein Motor-Pumpen-Aggregat, insbesondere für eine Servolenkung.The The invention relates to a motor-pump unit, in particular for a power steering.

Bekannte Motor-Pumpen-Aggregate weisen einen Antriebsmotor auf, eine Pumpe und einen Tank. Die Pumpe dient dazu, einer Servolenkung unter Druck stehendes Hydraulikfluid bereitzustellen.Known Motor-pump units have a drive motor, a pump and a tank. The pump is used to power a steering under pressure to provide standing hydraulic fluid.

Die Erfindung schafft ein besonders kompaktes Motor-Pumpen-Aggregat. Erfindungsgemäß ist insbesondere vorgesehen, daß das Motor-Pumpen-Aggregat keinen internen Tank mehr aufweist, sondern daß ein externer Tank verwendet wird.The Invention provides a particularly compact motor-pump unit. In particular, according to the invention provided that the Motor-pump unit no longer has an internal tank, but the existence external tank is used.

Weitere Vorteile des erfindungsgemäßen Motor-Pumpen-Aggregats sind die folgenden:

  • – Die elektronische Steuereinheit (ECU) kann axial oder radial am Motor-Pumpen-Aggregat angebracht sein, wobei die Stecker sowohl radial als auch axial angeordnet sein können.
  • – Das Druckbegrenzungs- und Rückschlagventil ist seitlich der Pumpe angeordnet.
  • – Das Motor-Pumpen-Aggregat kann direkt am Lenkgetriebe angebracht, in dieses integriert oder auch entfernt vom Lenkgetriebe angeordnet sein, wobei ein externer Tank vorgesehen ist, der über Leitungen mit dem Motor-Pumpen-Aggregat verbunden ist.
Further advantages of the motor-pump unit according to the invention are the following:
  • - The electronic control unit (ECU) can be mounted axially or radially on the motor-pump unit, wherein the plug can be arranged both radially and axially.
  • - The pressure relief and check valve is located on the side of the pump.
  • - The motor-pump unit can be mounted directly on the steering gear, integrated into this or arranged away from the steering gear, with an external tank is provided, which is connected via lines to the motor-pump unit.

Diese Vorteile werden mit Bezug auf die beigefügten Zeichnungen kurz erläutert.These Advantages will be briefly explained with reference to the accompanying drawings.

In 1 ist ein herkömmliches Motor-Pumpen-Aggregat (links) im Vergleich mit einem erfindungsgemäßen Motor-Pumpen-Aggregat (rechts) zu sehen. Es ist erkennbar, daß das erfindungsgemäße Motor-Pumpen-Aggregat in jeder Richtung kompakter baut. In Längsrichtung, also bezogen auf die Figuren nach oben, ergibt sich eine Platzersparnis, da das dort vorgesehene Druckbegrenzungs- und Rückschlagventil 1 (s. auch 2) seitlich der Pumpe (rechte Darstellung) und nicht mehr in Verlängerung der Pumpe (linke Darstellung, wie im Stand der Technik) angeordnet ist.In 1 is a conventional motor-pump unit (left) in comparison with a motor-pump unit according to the invention (right) to see. It can be seen that the motor-pump unit according to the invention is more compact in every direction. In the longitudinal direction, ie with respect to the figures above, there is a saving of space, as provided there pressure relief and check valve 1 (see also 2 ) is arranged on the side of the pump (right-hand representation) and no longer in extension of the pump (left-hand representation, as in the prior art).

Durch eine verbesserte Ausgestaltung der ECU wird ein sehr viel geringerer Bauraum benötigt. Wie durch Vergleich der beiden Motor-Pumpen-Aggregate von 1 zu sehen ist, weist die ECU der erfindungsgemäßen Pumpe (am unteren Ende der Pumpe angeordnet) sehr viel geringere Abmessungen auf als im Stand der Technik. Zu diesem Zweck ist der Leadframe 2 (s. auch 3) schalenförmig mit einer inneren Trennwand 3 ausgeführt, wobei oberhalb der Trennwand einige Bauteile und unterhalb der Trennwand andere Bauteile angeordnet sind. Insbesondere sind das Leistungsmodul 4 und die Leiterplatte 5 auf der oberen Seite der Schale angeordnet, wobei die Leiterplatte 5 beidseitig bestückt ist. Die untere Kammer des Leadframes 2 wird von einer Deckelplatte 6 verschlossen. Der Leadframe 2 wird komplett auf den unteren Abschnitt des Gehäuses des Motor-Pumpen-Aggregates aufgesetzt, wobei eine Metallhaube 7 (s. 1 sowie 4) vorgesehen ist, die den Leadframe 2 umgreift und so in eine Umfangsnut am Gehäuse hinein umgebördelt ist, daß der Leadframe fest am Gehäuse des Motor-Pumpen-Aggregats befestigt ist. Die Metallhaube dient auch als Abschirmung gegen elektromagnetische Störungen.An improved configuration of the ECU requires a much smaller installation space. As by comparing the two motor-pump units of 1 can be seen, the ECU of the pump according to the invention (arranged at the bottom of the pump) has much smaller dimensions than in the prior art. For this purpose, the leadframe 2 (see also 3 ) cupped with an inner partition wall 3 executed, wherein above the partition some components and below the partition other components are arranged. In particular, the power module 4 and the circuit board 5 arranged on the upper side of the shell, with the circuit board 5 equipped on both sides. The lower chamber of the leadframe 2 is from a cover plate 6 locked. The leadframe 2 is placed completely on the lower section of the housing of the motor-pump unit, with a metal hood 7 (S. 1 such as 4 ), which is the leadframe 2 surrounds and is crimped into a circumferential groove on the housing, that the leadframe is firmly attached to the housing of the motor-pump unit. The metal hood also serves as a shield against electromagnetic interference.

Wie anhand 4 zu sehen ist, können die Stecker 8 der ECU in verschiedenen Ausrichtungen (axial und radial) angeordnet sein.As based on 4 you can see the plugs 8th the ECU may be arranged in different orientations (axial and radial).

Wie in 5 zu sehen ist, ist das Druckbegrenzungs- und Rückschlagventil seitlich so neben der Pumpe angeordnet, daß es strömungstechnisch mit der dem Motor zugewandten Seite der Pumpe in Verbindung steht.As in 5 can be seen, the pressure relief and check valve is arranged laterally next to the pump, that it is fluidically connected to the motor-facing side of the pump.

In 6 ist das Motor-Pumpen-Aggregat getrennt vom Lenkgetriebe angeordnet gezeigt. Es ist ein externer Tank 10 vorgesehen, der über Hydraulikleitungen mit dem Motor-Pumpen-Aggregat einerseits und andererseits mit dem Servolenkventil 11 in Verbindung steht. Bei dieser Ausführungsform kann das Motor-Pumpen-Aggregat an geeigneter Stelle im Motorraum angebracht werden.In 6 the engine-pump unit is shown arranged separately from the steering gear. It is an external tank 10 provided, via hydraulic lines to the motor-pump unit on the one hand and on the other hand with the power steering valve 11 communicates. In this embodiment, the motor-pump unit can be mounted at a suitable location in the engine compartment.

In 7 ist eine Ausführungsform gezeigt, bei der das Motor-Pumpen-Aggregat unmittelbar an das Gehäuse des Lenkgetriebes angesetzt ist. Auch hier wird ein externer Tank 10 verwendet. Alternativ zur gezeigten Ausführungsform, bei der das Motor-Pumpen-Aggregat durch Befestigungsklammern 12 am Lenkgetriebe 13 angebracht ist, kann das Gehäuse des Motor-Pumpen-Aggregates gemäß einer nicht dargestellten Weiterbildung auch einstückig mit dem Lenkgetriebe 13 ausgeführt werden.In 7 an embodiment is shown in which the motor-pump unit is attached directly to the housing of the steering gear. Again, an external tank 10 used. Alternatively to the embodiment shown, in which the motor-pump unit by mounting brackets 12 on the steering gear 13 is attached, the housing of the motor-pump unit according to a development not shown also in one piece with the steering gear 13 be executed.

Claims (1)

Motor-Pumpen-Aggregat mit mindestens einem der folgenden Merkmale: – Es ist ein externer Tank vorgesehen; – die ECU ist axial am Gehäuse des Motor-Pumpen-Aggregates angeordnet; – die ECU ist radial am Gehäuse des Motor-Pumpen-Aggregates angeordnet; – die elektrischen Anschlußstecker der ECU sind radial angeordnet; – die elektrischen Anschlußstecker zur ECU sind axial angeordnet; – der Leadframe der ECU ist schalenförmig ausgeführt; – der Leadframe der ECU ist außen an das Gehäuse des Motor-Pumpen-Aggregats angesetzt; – das Motor-Pumpen-Aggregat ist fest am Lenkgetriebe angebracht; – das Motor-Pumpen-Aggregat ist in das Lenkgetriebe integriert; – das Druckbegrenzungs- und Rückschlagventil ist seitlich der Pumpe des Motor-Pumpen-Aggregates angebracht.Motor-pump unit with at least one of the following features: - An external tank is provided; - The ECU is arranged axially on the housing of the motor-pump unit; - The ECU is arranged radially on the housing of the motor-pump unit; - The electrical connectors of the ECU are arranged radially; - The electrical connector to the ECU are arranged axially; - the leadframe of the ECU is cupped; - The leadframe of the ECU is attached to the outside of the housing of the motor-pump unit; - The motor-pump unit is firmly attached to the steering gear; - The motor-pump unit is integrated in the steering gear; - The pressure relief and check valve is mounted on the side of the pump of the motor-pump unit.
DE200520006414 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 Expired - Lifetime DE202005006414U1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
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
US11/919,086 US20100086417A1 (en) 2005-04-21 2006-04-12 Motor pump unit, in paticular for vehicle power steering
DE112006000919.2T DE112006000919B4 (en) 2005-04-21 2006-04-12 Motor-pump unit, in particular for a vehicle power steering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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

Publications (1)

Publication Number Publication Date
DE202005006414U1 true DE202005006414U1 (en) 2005-08-04

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ID=34833398

Family Applications (2)

Application Number Title Priority Date Filing Date
DE200520006414 Expired - Lifetime 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
DE112006000919.2T Revoked DE112006000919B4 (en) 2005-04-21 2006-04-12 Motor-pump unit, in particular for a vehicle power steering

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE112006000919.2T Revoked DE112006000919B4 (en) 2005-04-21 2006-04-12 Motor-pump unit, in particular for a vehicle power steering

Country Status (3)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007118558A1 (en) * 2006-04-11 2007-10-25 Trw Automotive Gmbh Holding device for an engine/pump assembly, in particular for a power steering system
DE102015222864C5 (en) 2015-11-19 2024-03-07 Volkswagen Aktiengesellschaft Servo system and hydraulic steering system for a vehicle

Families Citing this family (2)

* 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
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007118558A1 (en) * 2006-04-11 2007-10-25 Trw Automotive Gmbh Holding device for an engine/pump assembly, in particular for a power steering system
DE102015222864C5 (en) 2015-11-19 2024-03-07 Volkswagen Aktiengesellschaft Servo system and hydraulic steering system for a vehicle

Also Published As

Publication number Publication date
DE112006000919A5 (en) 2008-07-17
DE112006000919B4 (en) 2018-06-21
US20100086417A1 (en) 2010-04-08
WO2006111314A1 (en) 2006-10-26

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