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:
Feb. 15, 2022

Filed:

Jan. 03, 2020
Applicant:

Denso Corporation, Kariya, JP;

Inventor:

Akira Higuchi, Kariya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/04 (2006.01); F02D 9/02 (2006.01); F16F 1/14 (2006.01); F16K 11/052 (2006.01); F16K 1/22 (2006.01); F02D 9/10 (2006.01); F16F 1/06 (2006.01); F16F 1/12 (2006.01);
U.S. Cl.
CPC ...
F16K 31/043 (2013.01); F02D 9/02 (2013.01); F02D 9/1065 (2013.01); F16F 1/06 (2013.01); F16F 1/12 (2013.01); F16F 1/14 (2013.01); F16K 1/221 (2013.01); F16K 11/0525 (2013.01); F16K 31/042 (2013.01); F02D 2009/0205 (2013.01); F02D 2009/0218 (2013.01); F02D 2009/0269 (2013.01);
Abstract

When a rotating body is oriented at a default position due to the absence of a driving force, a first hook portion and a second hook portion are engaged with a fixed engagement portion and/or a movable engagement portion. When the rotating body is rotated from the default position by the driving force, the first hook portion is engaged with one of the fixed engagement portion and the movable engagement portion, and the second hook portion is engaged with the other of the fixed engagement portion and the movable engagement portion. A throttle valve device includes a pressing portion that presses the first hook portion and/or the second hook portion to apply a pressing force toward a center of a coil portion in a coil axial direction.


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