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.:

US 9422861 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 23, 2016

Filed:

Feb. 26, 2014
Applicant:

Mazda Motor Corporation, Hiroshima, JP;

Inventor:

Kazuhiro Miyagawa, Hiroshima, JP;

Assignee:

MAZDA MOTOR CORPORATION, Hiroshima, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/08 (2006.01); F02B 77/11 (2006.01); B60H 1/00 (2006.01);
U.S. Cl.
CPC ...
F02B 77/11 (2013.01); B60H 1/00778 (2013.01); B60H 1/00849 (2013.01);
Abstract

A vehicle air-conditioning control apparatus has: an air mix damper; an actuator for driving the air mix damper; a target opening degree determination device operable to determine a target opening degree of the air mix damper; a drive frequency reduction device operable, during automatic stop of an engine, to reduce a drive frequency of the actuator; a target opening degree correction device operable, during automatic stop of the engine and when a current target opening degree is greater than a previous target opening degree, to increase the current target opening degree, and, when the current target opening degree is less than the previous target opening degree, to reduce the current target opening degree; and a drive control device operable, during running of the engine, to control the actuator based on the target opening degree, and, during automatic stop of the engine, to control the actuator the corrected target opening degree.


Find Patent Forward Citations

Miyagawa, Kazuhiro. (2016). Vehicle air-conditioning control apparatus (U.S. Patent No. 9422861). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9422861

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