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:
Jan. 31, 2006
Filed:
Jun. 04, 2003
Applicants:
Kenji Watanabe, Hitachi, JP;
Hiroaki Saeki, Hitachinaka, JP;
Kiyoshi Amou, Niihari, JP;
Inventors:
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi Car Engineering Co., Ltd., Hitachinaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 31/135 (2006.01);
U.S. Cl.
CPC ...
Abstract
A slit-shaped heater holderoutside the heat-exchanger tubecan eliminate the use of adhesive in the heater assembly. A flat electrodewhich is pressed on and in surface contact with the PTC heatercan improve the wear resistance of the heater contact, prevent the PTC heater breaking, and even assure the electrical connecting to the broken PTC heater.