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US Patent 7917017 Motor drive apparatus and method

Patent 7917017 was granted and assigned to Denso on March, 2011 by the United States Patent and Trademark Office.

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US Patent 12064893 High-pressure seal for a liquid jet cutting system
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US Patent 11904494 Cylinder for a liquid jet pump with multi-functional interfacing longitudinal ends
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Patent abstract

If a PWM duty instruction D1 determined by a duty calculation circuit exceeds an upper limit value, a duty signal processing circuit in a motor drive apparatus divides a switching current supply period in each of the phases into a first current supply period and a second current supply period. In the first current supply period, the duty is set to the upper limit value. In the second current supply period, the duty is set to 100%, and the length of the second current supply period is set depending upon the duty instruction.

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Patent Inventor Names
Atsushi Kanamori0
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US Patent 07917017 Motor drive apparatus and method US Patent 7917017 Motor drive apparatus and method

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Patent Number
079170170
Patent Number
79170170
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=079170170
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Infobox
Is a
Patent
Patent
0
Current Assignee
Denso
Denso
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
079170170
Date of Patent
March 29, 2011
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Patent Application Number
119026690
Date Filed
September 25, 2007
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=079170170
Patent Primary Examiner
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Walter Benson
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07917017
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 US Patent 07917017 Motor drive apparatus and method

Infobox
Is a
Patent
Patent
Current assignee
Denso
Denso
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07917017
Date of patent
March 29, 2011
Patent application number
11902669
Date Filed
September 25, 2007
Patent primary examiner
‌
Walter Benson

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