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.:
Date of Patent:
Jul. 14, 2020
Filed:
Jan. 24, 2019
Aisin Seiki Kabushiki Kaisha, Kariya-shi, Aichi-ken, JP;
Yusuke Hisaeda, Kariya, JP;
Takeo Asahi, Kariya, JP;
Hideyuki Suganuma, Anjo, JP;
Tomohiro Kajita, Anjo, JP;
AISIN SEIKI KABUSHIKI KAISHA, Kariya-Shi, Aichi-Ken, JP;
Abstract
A valve timing controller includes: a driving side rotation member synchronously rotating with a crankshaft of an internal combustion engine; a driven side rotation member disposed coaxially with a rotary shaft center of the driving side rotation member and rotating integrally with a valve opening/closing cam shaft; advancing and retarding chambers formed between the driving side and driven side rotation members; a valve unit disposed coaxially with the rotary shaft center and controlling feeding and discharging of a fluid to and from the advancing and retarding chambers; and a tubular valve case having an internal space extending in a direction along the rotary shaft center, accommodating the valve unit in the internal space, having an opening at one end in the direction along the rotary shaft center, and having a bottom portion at the other end.