RELIEF DEVICE FOR OIL CIRCUIT OF ENGINE
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United States of America Patent
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Jun 25, 2015
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Jun 30, 2014
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Abstract
A relief device including: an oil pump; an upstream flow passage provided from a discharge section side of the oil pump to an engine; an oil-pressure relief valve relieving oil by a valve body moving due to oil pressure; and a temperature-sensitive relief valve B relieving oil by detecting an oil temperature and opening and closing steplessly. The oil-pressure relief valve and the temperature-sensitive relief valve are disposed in parallel in the upstream flow passage. A portion of the pump housing of the oil pump is formed in an integrated fashion with a casing of an oil circulation mechanism.
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