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:
Nov. 03, 2009
Filed:
Jul. 14, 2006
Lothar Von Schimonsky, Gerhardshofen, DE;
Lothar von Schimonsky, Gerhardshofen, DE;
Schaeffler KG, Herzogenaurach, DE;
Abstract
A force transmitting device () for a valve drive () of an internal combustion engine () with a hydraulic valve lash compensating device () is provided. The force transmitting device () has a hollow cylindrical compensating piston (), which on one end defines a working chamber () of the valve lash compensating device () and on the other end encloses an internal hydraulic medium reservoir () used to supply the working chamber (). This is connected to a hydraulic medium supply () of the internal combustion engine () and is protected from a return flow of hydraulic medium in the direction of the hydraulic medium supply () by means of a valve plate (), which can be pressurized and which can move axially, in that the valve plate () interacts in a sealing way with an axial annular surface () of the compensating piston () for a non-pressurized hydraulic medium supply (). Here, the valve plate () should have one or more openings (), which connect the internal hydraulic medium reservoir () to an external hydraulic medium reservoir () for a non-pressurized hydraulic medium supply ().