Variable valve timing control apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8857394
APP PUB NO 20130312679A1
SERIAL NO

13902094

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A variable valve timing control apparatus includes a driving-side rotating member, an driven-side rotating member, a cam shaft, a control valve switching supply and discharge of a working fluid relative to an advanced angle chamber and a retarded angle chamber, an advanced angle-side oil passage, a retarded angle-side oil passage, a spider provided with a first oil passage and a second oil passage, a seal mechanism partitioning between at least one of the first oil passage and the second oil passage, and an outside space, and the seal mechanism allows air to come in the at least one of the first oil passage and the second oil passage in a case where pressure inside the at least the one of the first oil passage and the second oil passage is lower than air pressure of the outside space.

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Patent Owner(s)

  • AISIN SEIKI KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mukaide, Hiroki Chiryu, JP 21 85
Suzuki, Shigemitsu Takahama, JP 35 393
Toma, Naoto Kariya, JP 22 147

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