Variable valve actuating mechanism having torsional lash control spring
AssigneeDelphi Technologies, Inc.
InventorRonald J. Pierik
Life of this patent
Estimating the term…
Abstract
A variable valve actuating mechanism includes an output cam pivotally disposed upon an input shaft of an engine. First and second frame members are disposed upon the input shaft on respective sides of the input cam lobe. A first link arm is pivotally coupled at a first end thereof to the first and second frame members. A rocker arm assembly is pivotally coupled at a first end thereof to a second end of the link arm. The rocker arm assembly carries a cam follower that engages an input cam lobe of the input shaft. A biasing means is grounded to the first and second frame members, and biases the cam follower into engagement with the input cam lobe.
Claims21
A variable valve actuating mechanism, comprising:
- first and second output cams configured for being pivotally disposed upon an input shaft;
- first and second frame members configured for being pivotally disposed upon the input shaft on respective sides of an input cam lobe of said input shaft;
- a link arm pivotally coupled at a first end thereof to at least one of said first and second output cams;
- a rocker arm assembly pivotally coupled at a first end thereof to a second end of said link arm, said rocker arm assembly carrying at least one input cam follower configured for engaging said input cam lobe of the input shaft;
- biasing means grounded to at least one of said first and second frame members, said biasing means configured for biasing said input cam follower into engagement with the input cam lobe.
An internal combustion engine, comprising:
- an input shaft having an input cam lobe;
- a control shaft;
- and
- a variable valve actuating mechanism, including:
- at least one output cam pivotally disposed upon said input shaft;
- first and second frame members pivotally disposed upon said input shaft on respective sides of an input cam lobe of said input shaft;
- a link arm pivotally coupled at a first end thereof to at least one of said at least one output cam;
- a rocker arm assembly pivotally coupled at a first end thereof to a second end of said link arm, said rocker arm assembly carrying at least one input cam follower, said input cam follower engaging said input cam lobe;
- and
- biasing means grounded to at least one of said first and second frame members, said biasing means biasing said input cam follower into engagement with said input cam lobe.
Dependencies are inferred from the claim text.