Hydraulically assisted steering system for automotive vehicles

US5147007A · kind A · utility

Assignee

• Alfred Teves GmbH · DE

Inventors

• Manfred Kahrs · Wiesbaden, DE
• Lothar Kunze · Hofheim, DE
• Joachim Baier · Hanau, DE
• Gerhard Kunz · Heiligenhaus, DE
• Bernhard Moeller · Frankfurt am Main, DE
• Wilhelm Beer · Gerolzhofen, DE
• Hans-Gebhard Krines · Usingen, DE
• Gerhardt Schudt · Hanau, DE

Key dates

• Filing date: Jun 1, 1990
• Grant date: Sep 15, 1992
• Expiry date: Jun 1, 2010

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B62D5/22
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A hydraulic power steering system for automotive vehicles wherein the hydraulic power assistance takes place only above a predetermined steering power. A power cylinder (6) is coupled to a mechanical steering assembly, a pump (19, 36), and a control valve (12). In order to achieve safety in operation and a simple arrangement of the power steering system, a slide of a component (2) of the mechanical steering assembly is slidable with respect to the vehicle body. The slide is effected by the steering power overcoming a prestressing power, serves for the mechanical actuation of the control valve (12).