Ina Walzlager Schaeffler Kg

Ina Walzlager Schaeffler Ohg

Arndt Ihlemann

Walter Speil

Dieter Schmidt

Johann Kecker

Martin Jakel

Bodo Rorig

Werner Barth

The invention proposes a lever-type cam follower ( ) which, for mounting a pin ( ) for a cam roller, comprises bores ( ) in the region of its side walls ( ). The diameter of the bore ( ) is larger than the diameter of the bore ( ). Corresponding ends ( ) of the pin ( ) are configured so that when mounted, the pin ( ) is fixed in the bores ( ) by a press fit. Thus, the pin ( ) can be inserted with its second end ( ) at first through the larger bore ( ) without causing damage to its raceway ( ) during assembly. At the same time, the press fit guarantees an excellent fixture of the pin ( ) in the cam follower ( ) with an all-round contact.

Lever-type cam follower for a valve train of an internal combustion engine

Hydraulic support element for a valve gear mechanism of an internal

Valve drive of an internal combustion engine

A device for the simultaneous actuation of two gas exchange valves (10) of an internal combustion engine by a camshaft (11) rotatably supported in a camshaft bearing (15,16), said device comprising a bridge (3) which, with the interposition of hydraulic valve clearance compensation elements (7), is in contact with valve shaft ends (9) of the gas exchange valves (10), and a guide rail (2) on which the bridge (3) is guided for longitudinal displacement by a linear bearing (5), said guide rail (2) comprising a first oil duct (18) which opens into the linear bearing (5) and a second oil duct (22) implemented in the bridge (3), which connects the valve clearance compensation elements (7) to the linear bearing (5), and the oil passes phase-wise from the first oil duct (18) into the second oil duct (22), characterized in that a third oil duct (21) branches from the first oil duct (18) and opens into the camshaft bearing (15,16).

Oil supply for a valve actuation device

A device for the simultaneous actuation of two gas exchange valves (2) of an internal combustion engine comprising a bridge (6) guided movably along a guide rail (8) which, with the interposition of hydraulic valve clearance compensation elements (4), is connected with valve shaft ends (3) of the gas exchange valves (2), a camshaft (16) rotatably supported in the cylinder head (1) by at least one camshaft bearing (15), comprising a bearing block (23) and a bearing cap piece (14) detachably connected thereto and an engine element (12) supporting the guide rail (8) at an upper end thereof, characterized in that the engine element (12) is implemented in one piece with the bearing block (23) and/or the bearing cap piece (14).

Connection of a guide rail of a valve actuation device with a camshaft

A finger lever or a rocker arm (4,25,39) for a valve actuating mechanism (1) of an internal combustion piston engine comprising a roller (5) which rolls against the periphery of a cam (3) and is rotatably mounted on a pin (17) guided in side walls (18,19) of the finger lever or the rocker arm (4,25,39) which is provided with a bore (23) directed towards the periphery of the roller (5) and communicating with a lubricant duct (38), characterized in that the bore (23,27,43) has a diameter of .ltoreq.0.5 mm in the region of its smallest cross-section.

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Herzogenaurach, Germany

Arndt Ihlemann