Cushman, Darby & Cushman
Intake throttling device for diesel engines
 An intake throttling device adapted to a Diesel engine includes an intake pipe for connection to an intake manifold of the engine, a throttle valve arranged within the intake pipe, and an actuator operatively connected to the throttle valve and arranged to be deactivated to fully open the throttle valve during normal operation of the engine, to be rendered in its first activated condition to adjust the opening angle of the throttle valve during idling operation of the engine, and to be rendered in its second activated condition to fully close the throttle valve when the engine is arrested or immediately before the engine is arrested. 
Nippon Soken Inc. Toyota Jidosha Kogyo Kabushiki Kaisha
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Yasuo Satosi Nobuhiko Kiyoshi
Kondo Kuwakado Kakeno Kato