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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 10458420 B1

PDFFull Text
Date of Patent:
Oct. 29, 2019

Filed:

Mar. 24, 2017

Method for controlling motor-driven compressor configured to be installed in vehicle

Applicant:

Kabushiki Kaisha Toyota Jidoshokki, Kariya-shi, Aichi-ken, JP;

Inventors:

Takashi Kawashima, Kariya, JP;

Yoshiki Nagata, Kariya, JP;

Kazuki Najima, Kariya, JP;

Assignee:

KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Kariya-shi, Aichi-ken, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Bickey Dhakal

Assistant Examiner:

Zoheb S Imtiaz

Int. Cl.
CPC ...
F04D 27/00 (2006.01); B60H 1/32 (2006.01); F04B 27/08 (2006.01); F04B 35/04 (2006.01); F04B 49/20 (2006.01); F04C 28/08 (2006.01); F04C 29/00 (2006.01); F04D 25/06 (2006.01); F04C 23/00 (2006.01); F04B 49/02 (2006.01); F04B 49/06 (2006.01);
U.S. Cl.
CPC ...
F04D 27/004 (2013.01); B60H 1/3205 (2013.01); B60H 1/3222 (2013.01); F04B 27/08 (2013.01); F04B 35/04 (2013.01); F04B 49/02 (2013.01); F04B 49/06 (2013.01); F04B 49/20 (2013.01); F04C 23/008 (2013.01); F04C 28/08 (2013.01); F04C 29/0085 (2013.01); F04D 25/0673 (2013.01); B60H 2001/3272 (2013.01); B60H 2001/3292 (2013.01); F04C 2240/40 (2013.01); F04C 2240/403 (2013.01); F04C 2270/051 (2013.01); F04C 2270/0525 (2013.01); F04C 2270/605 (2013.01);
Abstract

The control section controls the electric motor to be driven such that the number of revolutions becomes equal to the target number of revolutions. If the control section sets the target number of revolutions to a number of revolutions of the electric motor requested by another control section, the control section changes the number of revolutions of the electric motor at an increase rate lower than or equal to the upper limit value of the increase rate or at a decrease rate lower than or equal to the upper limit value of the decrease rate. If the control section sets the target number of revolutions to a number-of-revolutions limit value, which is determined based on the voltage of a vehicle battery, the control section is able to decrease the number of revolutions of the electric motor at a decrease rate exceeding the upper limit value.

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