Oil pump apparatus with pump section and segmented oil intake circuit

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United States of America Patent

PATENT NO 9206803
APP PUB NO 20110293442A1
SERIAL NO

13117312

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An oil pump apparatus for supplying an oil to a vehicular transmission, includes a pump to suck the oil from an oil reservoir through an inlet port into a pumping chamber, and an intake circuit to convey the oil sucked from the oil reservoir to the inlet port. The intake circuit includes a proximal segment, an intermediate segment and a distal segment. The proximal segment extends from the inlet port, to the intermediate segment. The intermediate segment extends upwards from the proximal segment. The distal segment extends downwards from a first connecting end portion connected with the intermediate segment to a end portion formed with an suction opening to suck the oil from the oil reservoir into the intake circuit.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
NISSAN MOTOR CO LTDKANAGAWA 221-0023
JATCO LTDFUJI-SHI SHIZUOKA 417-8585

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawachi, Yasuhiro Isehara, JP 11 31
Nonomura, Akio Isehara, JP 6 14
Tatewaki, Keichi Atsugi, JP 25 220

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