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:
Mar. 14, 2017

Filed:

Apr. 08, 2015
Applicant:

Denso Corporation, Kariya, Aichi-pref., JP;

Inventors:

Taizo Kondo, Kariya, JP;

Takahumi Oowada, Kariya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 7/537 (2006.01); H02M 7/5387 (2007.01); H02M 3/158 (2006.01); H02M 1/32 (2007.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 7/53875 (2013.01); H02M 3/1588 (2013.01); H02M 1/32 (2013.01); H02M 2001/007 (2013.01); Y02B 70/1466 (2013.01);
Abstract

A switching control apparatus is applied to a load drive system that includes a DC voltage converter having a reactor and at least one switching element, and a power transducer including multiple switching element pairs. The switching control apparatus controls a switching timing of the switching element in the DC voltage converter and the switching element pairs in the power transducer. The switching control apparatus includes a DC voltage converter control circuit, a DC voltage converter drive circuit, a power transducer control circuit, a power transducer drive circuit, a switching prohibition period calculation portion, and a switching correction portion.


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