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:
Aug. 23, 1983
Filed:
Dec. 01, 1981
Applicant:
Inventors:
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123549 ; 123545 ; 261142 ; 219206 ;
Abstract
An intake heating device of an engine, comprising a hollow heater vessel placed in the intake passage. The heater vessel comprises an inner pipe, an outer pipe, and a plurality of PTC elements. The inner pipe and the outer pipe are interconnected to each other in such a way that the upper end and the lower end of the inner pipe are bent outwards and pressed onto the outer wall of the outer pipe.