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:
Feb. 18, 2014
Filed:
Sep. 12, 2012
Applicant:
Yuuki Matsunaga, Chiryu, JP;
Inventor:
Yuuki Matsunaga, Chiryu, JP;
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fluid-pressure-operated valve timing controller includes an outer rotor, an inner rotor, and a spiral spring constructed by an element wire spirally extending. The spiral spring biases the inner rotor in a biasing direction when the spiral spring twistingly deforms in accordance with sliding rotation of the inner rotor in a deformation direction relative to the outer rotor. The spiral spring has a bent part bent to protrude in a radial direction. The bent part of the spiral spring is linearly contact with a part of the element wire located adjacent to the bent part in the radial direction.