Patent ID: 9316175
Filing Date: 2016-04-19
CPC Classification: F02D,F02M

Claim Text:
1. An engine, comprising: a carburetor, comprising: a governor assembly including a governor configured to detect an engine speed of the engine, a governor arm coupled to the governor, the venturi lever, and the throttle lever, and a governor spring coupled to the governor arm to bias the throttle valve towards the fully open position; and a vacuum actuator including an actuator housing, a pressure-sensitive member positioned in the actuator housing and dividing the actuator housing into a vacuum side and an atmospheric side, an input port in fluid communication with the vacuum side of the actuator housing and in fluid communication with the intake port so an engine vacuum at the intake port is communicated to the vacuum side, an actuator linkage coupled to the governor spring and also coupled to the pressure-sensitive member for movement with the pressure-sensitive member in response to the engine vacuum, and an actuator spring biasing the actuator linkage to increase the tension on the governor spring.