The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8544433 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 01, 2013

Filed:

Jun. 20, 2011
Applicants:

Yuji Noguchi, Obu, JP;

Kazunari Adachi, Chiryu, JP;

Takeo Asahi, Kariya, JP;

Atsushi Homma, Kariya, JP;

Inventors:

Yuji Noguchi, Obu, JP;

Kazunari Adachi, Chiryu, JP;

Takeo Asahi, Kariya, JP;

Atsushi Homma, Kariya, JP;

Assignee:

Aisin Seiki Kabushiki Kaisha, Kariya-Shi, Aichi-Ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

A variable valve timing control apparatus, includes a drive-side rotary member, a driven-side rotary member, a partition portion arranged at least one of the drive-side rotary member and the driven-side rotary member to partition a fluid pressure chamber into an advanced angle chamber and a retarded angle chamber, a seal member arranged at a portion of the partition portion, which faces the other one of the drive-side rotary member and the driven-side rotary member, the seal member avoiding a hydraulic fluid from leaking between the advanced angle chamber and the retarded angle chamber, and a biasing member biasing the seal member, wherein at least one of the partition portion and a facing surface of the other one of the drive-side rotary member and the driven-side rotary member facing the partition portion is defined by an inclined surface of a tapered portion.


Find Patent Forward Citations

Noguchi, Yuji. (2013). Variable valve timing control apparatus (U.S. Patent No. 8544433). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8544433

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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