BIMETALLIC VALVE LIMITATION
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United States of America Patent
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Issued Date -
Feb 18, 2016
app pub date -
Mar 25, 2013
filing date -
Mar 25, 2013
priority date (Note) -
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Abstract
A displacement pump for automobiles includes a pump chamber configured to have a lubricant flow therethrough, a check valve configured to control an access to the pump chamber, and a valve travel limiter. The check valve comprises a valve opening and a valve body configured to cover the valve opening. The valve limiter comprises a mechanical temperature element which is configured to increase a valve travel of the valve body as a temperature decreases, and to reduce the travel distance of the valve body as the temperature increases.
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