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:
Aug. 10, 1982
Filed:
Feb. 21, 1980
Applicant:
Inventor:
Peter Hofbauer, Wolfsburg, DE;
Assignee:
Volkswagenwerk Aktiengesellschaft, Wolfsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K / ;
U.S. Cl.
CPC ...
192-0076 ; 192-0092 ; 192-358 ; 1921 / ; 74866 ;
Abstract
A device for automatically actuating a clutch arranged between the output shaft of the engine and the input shaft of a motor vehicle transmission comprises a servo coupled to the clutch for selectively actuating the clutch, a first detection device for measuring the speed of the engine output shaft, a second detection device for measuring the speed of the transmission input shaft, and a control device coupled to the servo means and to the first and second detection devices for controlling the servo as a function of the speeds of the engine shaft and transmission shaft and their second derivatives with respect to time.