Campshaft for actuating valve tappets in internal combustion eng

Details Campshaft for actuating valve tappets in internal combustion eng Campshaft for actuating valve tappets in internal combustion eng

1987-01-29

1988-10-04

Smith, Gary L.

Machine element or mechanism

Elements

Cams

403372, 123906, F16H 5300

Patent

active

047748524

ABSTRACT:
A camshaft for actuating the valve tappets in internal combustion engines includes a shaft of a cold drawn pipe and a cam member. Both parts are connected to one another via an axially slotted tolerance ring. The bore of the cam member has an inwardly directed projection with essentially radially extending sides and a partially cylindrical surface having a curvature which corresponds to the curvature of the shaft. The edges forming the slot of the tolerance ring rest against the sides of the projection. The resulting circumferential bracing of the tolerance ring ensures a secure support of the cam member on the shaft. The projection is located in that angular range of the cam member in which the rotating cam during operation is in contact with the tappet to be actuated. Thus, the cam member is additionally braced by the cylindrical surface of the projection when the highest radial force acts on the cam member during a full rotation.

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patent: 4569614 (1986-02-01), Yamauchi
Antriebstechnick 15 (1976), Nr 9, Spannelemente, pp. 473, 474, R. Schumann.

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