valve gear

noun

1. (in a reciprocating engine) the mechanism for opening and closing the valves at certain points in each stroke.

valve gear

noun

1. a mechanism that operates the valves of a reciprocating engine, usually involving the use of cams, pushrods, rocker arms, etc

Example Sentences

The blast was secured by a fan, and the valve-gear was worked by cams instead of eccentrics.

From Project Gutenberg

H B is proportional to the lift of the valve, and O H to the motion of the valve-gear when out of contact with the valve-lifters.

From Project Gutenberg

The joints of the valve-gear consist of pins turning in solid ferrules in the rod-ends, both hardened and ground.

From Project Gutenberg

The simplest valve gear depends for its action on a fixed eccentric.

From Project Gutenberg

The governor, the Corliss valve gear and the triple compound expansion.

From Project Gutenberg