Balancer device and lubricating system for oil pump and balancer shaft bearing
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United States of America Patent
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Dec 1, 2020
Grant Date -
N/A
app pub date -
Sep 4, 2019
filing date -
Mar 8, 2017
priority date (Note) -
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Abstract
Balancer shaft 5 and 6 rotatably set through bearings 11˜14 and an oil pump 2 driven by power from the balancer shaft 5 and 6 are provided in a balancer housing. Oil discharged from an outlet portion 42 of the oil pump 2 is supplied to a main oil gallery 10 through an outlet passage 48. A bearing filter 55 that filters a part of the oil is provided in the outlet passage 48 that extends from the outlet portion 42. A communication passage 50 that branches off from the outlet passage 48 and communicates with the bearings 11˜14 supplies a part of the oil having been filtered by the bearing filter 55 to the bearings 11˜14. By filtering the oil that is going to be supplied to the bearing portion, decrease in durability of the bearing portion can be suppressed.
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