The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 06, 2006
Filed:
Oct. 19, 2005
Daniel E. Williams, West Lafayette, IN (US);
Juan Redin, Pamplona, ES;
Philip S. Peterson, Monticello, IN (US);
William A. Szabela, Brookston, IN (US);
Daniel E. Williams, West Lafayette, IN (US);
Juan Redin, Pamplona, ES;
Philip S. Peterson, Monticello, IN (US);
William A. Szabela, Brookston, IN (US);
TRW Automotive U.S. LLC, Livonia, MI (US);
Abstract
An apparatus () for helping to turn steerable wheels () of a vehicle comprises a hydraulic power-assisted steering gear (). An electric motor () actuates the steering gear (). A pump () supplies the steering gear () with hydraulic fluid. A vehicle speed sensor () senses vehicle speed and provides a vehicle speed signal. A controller () is responsive to the vehicle speed signal for controlling the pump (). The controller () activates the pump () to supply hydraulic fluid to the steering gear () when the vehicle speed signal indicates a vehicle speed below a predetermined value and the controller () deactivating the pump () when the vehicle speed signal indicates a vehicle speed above the predetermined value.