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.

Date of Patent:
Nov. 18, 2014

Filed:

Apr. 02, 2010
Applicants:

Masayuki Yokoyama, Tokyo, JP;

Sotsuo Miyoshi, Tokyo, JP;

Satoru Hasegawa, Tokyo, JP;

Katsunori Takai, Tokyo, JP;

Inventors:

Masayuki Yokoyama, Tokyo, JP;

Sotsuo Miyoshi, Tokyo, JP;

Satoru Hasegawa, Tokyo, JP;

Katsunori Takai, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 1/24 (2006.01); F16K 35/14 (2006.01); F02M 25/07 (2006.01); F16K 1/22 (2006.01); F16K 31/04 (2006.01);
U.S. Cl.
CPC ...
F16K 35/14 (2013.01); F02M 25/0786 (2013.01); F02M 25/0729 (2013.01); F16K 1/223 (2013.01); F02M 25/0773 (2013.01); F16K 31/043 (2013.01); Y02T 10/121 (2013.01);
Abstract

A valve opening and closing mechanism includes: an input shaftdriven by a power source; two or more output shaftsrespectively including valves; power transmission members that transmit power from the input shaftto the respective output shaftswith varying a phase of the power; and preload application members that apply preloads respectively to the output shaftsand the power transmission member in opposite directions. The output shaftsmay be separated from the power transmission member.


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