US Patent 7201038 Knock sensor and manufacturing method thereof
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Patent Inventor Names
Akito Yokoi0
Masao Kohashi0
Yoichiro Takahashi0
Yoshiyuki Sawada0
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Patent abstract
A knock sensor is constructed by putting and fitting components including an annular piezoelectric element, terminal plate, insulating sheet and weight onto a base consisting of a flange portion and a tubular portion, forming a groove part on a tip outer circumferential surface of the tubular portion, fitting a stopper ring functioning to apply an axial preload to the components onto the tubular portion, and caulking fixedly the stopper ring and the tubular portion into the groove part.
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US Patent 07201038 Knock sensor and manufacturing method thereof US Patent 7201038 Knock sensor and manufacturing method thereof
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Patent Number
072010380
Patent Number
72010380
Edits on 2 Apr, 2023
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Patent Jurisdiction
Patent Number
072010380
Date of Patent
April 10, 2007
0Patent Application Number
110984160
Date Filed
April 5, 2005
0Official Website
Patent Primary Examiner
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US Patent 07201038 Knock sensor and manufacturing method thereof
Infobox
Is a
Patent jurisdiction
Patent number
07201038
Date of patent
April 10, 2007
Patent application number
11098416
Date Filed
April 5, 2005
Patent primary examiner
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