| 摘要 |
A variable valve actuating mechanism (10, 100, 200) includes an output cam (26a, 26b) pivotally disposed upon an input shaft (12) of an engine (14). First and second frame members (20a, 20b) are disposed upon the input shaft on respective sides of the input cam lobe (12a). A first link arm (22) is pivotally coupled at a first end thereof to the first and second frame members. A rocker arm assembly (24, 240) is pivotally coupled at a first end thereof to a second end of the link arm. The rocker arm assembly carries a cam follower (36) that engages an input cam lobe (12a) of the input shaft (12). A biasing means (30) is grounded to the first and second frame members, and biases the cam follower into engagement with the input cam lobe.
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