Patent ID: 7793626
Filing Date: 2010-09-14
Classification: F01L

Abstract:
1. A hydraulic cam follower for a pushrod valve train of an internal combustion engine, said cam follower being adapted to actuate two identically operating gas exchange valves and being installable in a position inclined to a direction of gravitational force, said cam follower comprising a pot-shaped housing having a bottom equipped with at least one cam contacting element, two guides being arranged in the housing, and a respective pressure piston is arranged in each of the guides for axial displacement, a housing-distal end of each of the pressure pistons serving as a support for a contact with a respective pushrod and a housing proximate base of each of the pressure pistons including a one-way valve, a respective high pressure chamber being formed under each of the bases and a respective reservoir for hydraulic medium being formed in a direction of the respective ends above each of the respective bases, an outer peripheral surface of the housing including at least one opening for supplying hydraulic medium to the reservoirs, and, as viewed in a direction of the gravitational force, said at least one opening extending in an upper peripheral segment of the outer peripheral surface.