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.:
Date of Patent:
May. 13, 2003
Filed:
Dec. 13, 2001
Applicant:
Inventors:
Naoyuki Kawazoe, Hashima, JP;
Satoshi Hayashi, Kuwana, JP;
Assignee:
Denso Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01G 4/30 ;
U.S. Cl.
CPC ...
H01G 4/30 ;
Abstract
A stacked-type piezoelectric device to be built in an injector includes a metal case outside its side surfaces. An insulating member having an electric insulation property is interposed between the side surfaces of the piezoelectric device and an inner surface of the case . The insulating member is bonded to either the side surfaces of the piezoelectric device or the inner surface of the case, and at least a part of the insulating member is in contact with the other surface.