- a valve for throttling the working fluid of an engine, refrigerator, etc.
Origin of throttle valve
Examples from the Web for throttle valve
Historical Examples of throttle valve
The engineer may draw his throttle-valve and give the piston full head.The Seat of Empire
Charles Carleton Coffin
In about an hour the engine can be started by a turn of the throttle-valve.Boys' Second Book of Inventions
Ray Stannard Baker
The throttle-valve is at the entrance to the steam-pipe in the steam-dome.
The devices for controlling the steam are the throttle-valve and the valve-gear.
No helm, or ballast, or throttle-valve could avail them now.All Around the Moon