Seal device for hydraulic circuit

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United States of America Patent

PATENT NO 9719486
APP PUB NO 20140223897A1
SERIAL NO

14240540

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Importance

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Abstract

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In a seal device for a hydraulic circuit, in which an oil passage that supplies hydraulic oil to or discharges the hydraulic oil from a hydraulic actuator operated by hydraulic pressure is formed over at least two members that relatively move, and a seal member that seals a gap between the two members in a liquid-tight manner is disposed in an interior of a groove section that is formed in at least either one of the two members, a communication section that allows the groove section to communicate with any portion of the oil passage such that the hydraulic oil in the interior of the groove section moves along with supply of the hydraulic oil to or discharge of the hydraulic oil from the hydraulic actuator is formed.

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Patent Owner(s)

Patent OwnerAddress
TOYOTA JIDOSHA KABUSHIKI KAISHA1 TOYOTA-CHO TOYOTA-SHI AICHI 471-8571

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hattori, Yuji Gotemba, JP 59 737
Inagaki, Takafumi Susono, JP 36 268
Inagawa, Tomokazu Susono, JP 19 75
Kimura, Kenta Susono, JP 21 30
Nagasato, Yu Susono, JP 12 16

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