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:
Nov. 22, 1983
Filed:
Feb. 22, 1982
Applicant:
Inventors:
Keigo Kato, Toyota, JP;
Yosio Kuroiwa, Toyota, JP;
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F07M / ;
U.S. Cl.
CPC ...
123549 ; 123545 ; 261142 ; 219207 ;
Abstract
An intake heating apparatus of an internal combustion engine, comprising a hollow heater vessel which is placed in an intake passage of the engine and which comprises an inner pipe, an outer pipe in which said inner pipe is press-fitted, a PTC element holder located between the inner and outer pipes for holding peripherally spaced PTC elements, and an annular elastic electrode located between the PTC elements and the outer pipe. The PTC element holder has holes in which the PTC elements are held. The lower edges of the holes are off-set from the lower end of the elastic electrode.