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:
May. 18, 2021
Filed:
Aug. 29, 2019
Applicant:
Denso Corporation, Kariya, JP;
Inventor:
Tetsuro Mitsutani, Kariya, JP;
Assignee:
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L 1/344 (2006.01);
U.S. Cl.
CPC ...
F01L 1/3442 (2013.01); F01L 2001/34426 (2013.01); F01L 2001/34483 (2013.01); F01L 2250/06 (2013.01);
Abstract
A retard supply check valve is installed in a retard supply passage and is located on a side of a hydraulic oil controller where a hydraulic oil supply source is placed. The retard supply check valve enables only a flow of hydraulic oil from the hydraulic oil supply source toward a retard chamber. An advance supply check valve is installed in an advance supply passage and is located on the side of the hydraulic oil controller where the hydraulic oil supply source is placed. The advance supply check valve enables only a flow of the hydraulic oil from the hydraulic oil supply source toward an advance chamber.