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:
Mar. 08, 1977
Filed:
Oct. 03, 1974
Applicant:
Inventor:
Hiroshi Sami, Toyota, JA;
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
1231 / ; 1231 / ; 1231 / ;
Abstract
Apparatus for heating an intake manifold in an internal combustion engine comprising a heating chamber for heating an intake manifold, arranged below a riser portion of the latter and communicated with the inside of an exhaust reactor; a by-pass for the exhaust gas provided in the reactor, the upstream end thereof opening into said heating chamber and the downstream end opening into a passage connecting the inside of the reactor to an exhaust pipe; and control valve means provided in said passage adjacent to the downstream end of the by-pass to alternatively divert the flow route of the exhaust gas.