air control valve — (ACV) a vacuum controlled diverter valve (or a combination bypass/diverter valve) in an air injection system that diverts air pump air to either the upstream (exhaust manifold) or downstream (oxidation catalyst) air injection points as necessary … Dictionary of automotive terms
thermactor air control valve — Combines a bypass (dump) valve with a diverter (up/down stream) valve; controls the flow of the thermactor air in respond to vacuum signals to its diaphragms … Dictionary of automotive terms
Bypass — may refer to:Bypass (slang)(digestive), where gas is expelled through anus during the event of a voluntary fecal restriction, thus the gas bypassed through the fecal matter and released via anus. *Bypass (computing), in computing, circumventing… … 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 — A device used to either open or close an opening to allow or prevent the flow of a liquid or gas from one place to another. There are many different types. See ABS relay valve accumultor valve air valve carburetor air control valve air gulp valve … Dictionary of automotive terms
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
Bypass (valve) — In rebreather breathing sets, a bypass is a hand operated valve that can be used to let more oxygen (or other breathing gas) into the breathing system, by passing the cylinder s flow rate control valve … Wikipedia
bypass valve — noun : a valve placed to control the flow of fluid through a bypass … Useful english dictionary
Engine control unit — An engine control unit (ECU) is an electronic control unit which controls various aspects of an internal combustion engine s operation. The simplest ECUs control only the quantity of fuel injected into each cylinder each engine cycle. More… … Wikipedia
Downhole safety valve — A downhole safety valve refers to a component on an oil and gas well, which acts as a failsafe to prevent the uncontrolled release of reservoir fluids in the event of a worst case scenario surface disaster. It is almost always installed as a… … Wikipedia
Coronary artery bypass surgery — Heart bypass redirects here. For the technique to take over the function of the heart and lungs during surgery, see Cardiopulmonary bypass. Coronary artery bypass surgery Intervention Early in a coronary artery bypass sur … Wikipedia