Patent ID: 8857407
Filing Date: 2014-10-14
Classification: F02D

Abstract:
1. An operation device for an engine, for performing a throttle operation of the engine which is disposed apart from an operation unit operated by an operator, the operation device comprising: a link member rotatable with respect to a base in response to an operation of the operation unit; a cam member fixed to the base and having a cam surface, a distance from a center of rotation of the link member to the cam surface changing continuously along a length of the cam surface according to an angular position of the cam member around the center of rotation; a cam follower connected to the link member and configured to contact and move along the cam surface; and a throttle drive member for connecting the cam follower to a throttle operation unit of the engine, wherein the operation device includes a choke drive member for operating a choke mechanism of the engine in cooperation with the link member when the link member is in a predetermined choke position, and the cam member has a cam shape to allow the throttle drive member to set a throttle opening to a predetermined throttle opening in a choke-on state when the link member is in the choke position.