Oil pump for vehicle
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United States of America Patent
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Nov 25, 2014
Issued Date -
N/A
app pub date -
Jul 17, 2012
filing date -
Nov 30, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An oil pump for a vehicle including a sealing apparatus is provided for preventing leakage of oil from the regulator chamber. The oil pump includes a sealing chamber formed between the outer ring and the housing, a sealing apparatus disposed in the sealing chamber, and an oil passage formed in the outer ring to facilitate a fluid communication of the sealing chamber with the regulator chamber. The sealing apparatus includes a contact portion, first and second sealing members. The first sealing member closely contacts the contact portion if the second sealing member is pushed by the hydraulic pressure of the regulator chamber supplied thereto through the oil passage, and thus prevents leakage of oil from the regulator chamber.
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