oil cooler bypass valve

An oil-temperature-controlled valve which closes the oil circuit through the oil cooler when the oil is still cold; similar function as the thermostat in the engine cooling system. Engine oil is heated to a considerable temperature in engines subject to a high thermal load. This in turn greatly reduces the lubricating ability and the cooling capacity of the oil. Thermostats control the oil volume to the oil cooler, thus ensuring constant temperature of the oil

Dictionary of automotive terms. 2015.

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  • cooler bypass valve — See oil cooler bypass valve …   Dictionary of automotive terms

  • bypass valve — (BPV) A valve that can open and allow fluid or gas to pass through in other than its normal channel. Also see oil cooler bypass valve oil filter oil filter bypass valve …   Dictionary of automotive terms

  • cooler bypass — See oil cooler bypass valve …   Dictionary of automotive terms

  • thermostatic bypass valve — A valve that is integral to an oil cooler system. It maintains the proper oil temperature by varying the proportion of the total oil flow passing through the oil cooler. The valve has a spring loaded thermostatic element, two inlet ports, and one …   Aviation dictionary

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  • 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

  • bypass — [1] A road which avoids the congested area of a city traffic. [2] An alternate route for a flowing substance. [3] To go around something to avoid it. [4] A passage at one side of, or around, a regular passage Also see oil cooler bypass valve oil… …   Dictionary of automotive terms

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