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 amplifier — A valve amplifier or tube amplifier is a type of electronic amplifier that make use of vacuum tubes instead of solid state semiconductor devices (such as transistors). As any other electronic amplifier they serve to increase the power and/or… … Wikipedia
Valve RF amplifier — A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical , typically (but not exclusively) radio frequency signals.Low to medium power valve amplifiers for frequencies below… … Wikipedia
Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… … Wikipedia
Valve audio amplifier — A valve (UK) audio amplifier or vacuum tube (US) audio amplifier is a valve amplifier used for sound recording, reinforcement, or reproduction. Until the invention of solid state devices such as the transistor, all electronic amplification was… … Wikipedia
Valve hall — A valve hall is a building which contains the valves of the static inverters of a HVDC plant. The valves consist of thyristors, or at older plants, mercury arc rectifiers. Mercury arc rectifiers are usually supported by insulators mounted on the… … Wikipedia
Lambda valve — In Bosch CIS, a device that regulates pressure in the lower chamber of the differential pressure valve, in response to a signal from the lambda (oxygen) sensor. Also called frequency valve or a timing valve … Dictionary of automotive terms
timing valve — In Bosch CIS, a device that regulates pressure in the lower chamber of the differential pressure valve, in response to a signal from the lambda (oxygen) sensor. Also called Lambda valve (Bosch s term) or a frequency valve … Dictionary of automotive terms
lambda control valve — See frequency valve … Dictionary of automotive terms
Mitral valve prolapse — Mitral valve prolapses Classification and external resources In mitral valve prolapse, the leaflets of the mitral valve prolapse back into the left atrium. ICD 10 … Wikipedia
