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:
Jan. 03, 1989
Filed:
May. 26, 1987
Alfred Teves GmbH, Frankfurt am Main, DE;
Abstract
A cruise control device for automotive vehicles is disclosed including an actual speed sensor which actuates, by way of a control circuit, the throttle valve of the vehicle motor for keeping the vehicle speed constant. The accelerator pedal can be overridden by a hydraulic control element. A piston rod is arranged inside a stepped piston in an axial through bore and is connected to the throttle valve. The piston rod can be coupled through a ball-type locking mechanism with the stepped piston which is pressurized by the control circuit in such a way that the piston rod is driven by the stepped piston and displaces the throttle valve in an opening direction against the force acting upon the accelerator pedal.