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:
Jul. 10, 2001
Filed:
Feb. 02, 2000
Applicant:
Inventors:
Martin Scheidt, Adelsdorf, DE;
Andreas Strauss, Herzogenaurach, DE;
Assignee:
INA Wälzlager Schaeffler OHG, Herzogenaurach, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 ; F01L 1/300 ;
U.S. Cl.
CPC ...
F01L 1/34 ; F01L 1/300 ;
Abstract
A device provided on a internal combustion piston engine for changing the rotational relations between at least one camshaft ( ) and a crankshaft ( ) includes a hydraulic cylinder ( ). This hydraulic cylinder ( ) is acted upon by a supply unit ( ) which displaces gas cushions in the hydraulic cylinder ( ) when the internal combustion piston engine is at a standstill and replaces the gas cushions with hydraulic cylinder, especially motor oil.