Oil jet device
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United States of America Patent
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Dec 26, 2017
Issued Date -
N/A
app pub date -
Mar 24, 2016
filing date -
Mar 30, 2015
priority date (Note) -
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Abstract
Oil jet device including a main body and having a fluid communication passage held in fluid communication with an oil passageway, a nozzle pipe having an oil ejection port, a check valve opening and closing the fluid communication passage when a check ball and a valve seat which are disposed in the main body abut against each other, and a filter having a fluid communication hole and being disposed upstream of the check valve, wherein the inside diameter of the valve seat is smaller than the inside diameter of the filter, and the valve seat has an upstream end wall surface facing at least some of the fluid communication holes, and the upstream end wall surface includes a slanted surface arranged such that the cross-sectional area of an oil channel is progressively smaller in a direction from an upstream region toward a downstream region of the oil channel.
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