- Air operated valve
An Air Operated Valve is a type of power operated
valve that uses air pressure against apiston or diaphragm to produce linear or circular movement to operate a valve.
Wikimedia Foundation. 2010.
An Air Operated Valve is a type of power operated
Wikimedia Foundation. 2010.
air select valve — A valve in a two stage catalytic converter with secondary air injection. It is operated by a solenoid and is triggered by the electronic control module. It directs air to the exhaust valve ports or to the midbed catalytic converter, depending on… … Dictionary of automotive terms
air outlet valve — A vacuum operated door which directs air flow into the heater core or ducts, usually located in or near the plenum blower assembly. A vacuum operated door which directs air flow into the heater core or ducts, usually located in or near the plenum … Dictionary of automotive terms
air inlet valve — an adjustable door, often vacuum operated, in the plenum blower assembly that permits election of outside or inside air for automotive heating and cooling systems … Dictionary of automotive terms
Air brake (road vehicle) — Air brakes are used in trucks, buses, trailers, and semi trailers. George Westinghouse first developed air brakes for use in railway service. A safer air brake was patented by him on March 5, 1872. Originally constructed for use on trains, and… … Wikipedia
idle air control valve — (IAC) on fuel injection vehicle, a valve that allows air to bypass the throttle plate(s), increasing idle speed. The valve is operated by an electric solenoid or motor. The vehicle computer controls the amount of opening to regulate idle speed… … Dictionary of automotive terms
valve principle — The original method of ABS control using an electrically operated valve to control the air pressure … Dictionary of automotive terms
Relay valve — A relay valve is an air operated valve. It is most commonly used in air brake systems to control the brakes at the rear of a trailer in a tractor trailer truck.It would take too long for sufficient air to travel from the brake pedal valve to the… … Wikipedia
Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… … Wikipedia
valve box — Steam Steam (st[=e]m), n. [OE. stem, steem, vapor, flame, AS. ste[ a]m vapor, smoke, odor; akin to D. stoom steam, perhaps originally, a pillar, or something rising like a pillar; cf. Gr. sty ein to erect, sty^los a pillar, and E. stand.] 1. The… … The Collaborative International Dictionary of English
valve chest — Steam Steam (st[=e]m), n. [OE. stem, steem, vapor, flame, AS. ste[ a]m vapor, smoke, odor; akin to D. stoom steam, perhaps originally, a pillar, or something rising like a pillar; cf. Gr. sty ein to erect, sty^los a pillar, and E. stand.] 1. The… … The Collaborative International Dictionary of English