Patent · US Active

Gas exchange valve actuating apparatus

US7827951B2 · kind B2 · utility

0Cited by

3References

6Claims

0Family size

Assignee

Daimler AG · DE

Inventors

Hans Kofler · Stuttgart, DE
Robert Niklas · Waiblingen, DE
Christoph Reckzugel · Stuttgart, DE

Key dates

Filing date	Nov 2, 2007
Grant date	Nov 9, 2010
Priority date	—
Expiry date	Jan 26, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/2107
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In a gas exchange valve operating apparatus with at least one overhead camshaft for actuating the gas exchange valves, with a hydraulic medium supply passage extending through the camshaft and with at least one hydraulic switchable support unit cooperating with a lever-like cam follower which is disposed on a switchable support unit and on a gas exchange valve and is furthermore in contact with the overhead camshaft, the support unit is disposed in communication with at least one pressure medium supplied via the hydraulic medium supply passage of the camshaft.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.