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:
Jul. 24, 1979
Filed:
Jun. 03, 1976
Applicant:
Inventors:
Takashi Kobayashi, Yokaichi, JP;
Toshikazu Nakamura, Yokaichi, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219367 ; 219370 ; 219375 ; 219504 ; 219536 ; 219537 ;
Abstract
The present disclosure relates to a heating unit for heating fluid such as air, in which a plurality of positive temperature coefficient (PTC) semiconductors are aligned in parallel to define clearances between each PTC semiconductor for the passage of the fluid. Each PTC semiconductor is provided with two electrodes disposed on the surface thereof for rapidly generating heat therefrom.