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US 6,786,185 B2Granted
Variable valve actuation mechanism having partial wrap bearings for output cams and frames
AssigneeDelphi Technologies, Inc.
InventorRonald J. Pierik
Life of this patent
Estimating the term…
Abstract
A variable valve actuation (VVA) mechanism includes a partial wrap output cam assembly and a partial wrap frame assembly. Each of the partial wrap cam assembly and the partial wrap frame assembly include a respective body and a respective shaft engaging means coupled to the body. The shaft-engaging means are configured for engaging an input shaft with a snap fit to thereby pivotally dispose the output cam assembly and the frame assembly upon the input shaft.
Claims18
An internal combustion engine, said engine having a camshaft, said engine comprising:
- a variable valve actuating (WA) mechanism associated with said camshaft, said WA mechanism including at least one of a partial wrap output cam assembly and a partial wrap frame assembly pivotally disposed on said camshaft, wherein said partial wrap output cam assembly includes an output cam body, a first shaft engaging mechanism carried by said output cam body and engaging said camshaft, and wherein said first shaft-engaging mechanism comprises a resiliently-deformable first bearing insert, said first bearing insert engaging said camshaft to thereby pivotally dispose said output cam assembly upon said camshaft.
Dependencies are inferred from the claim text.