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:
Dec. 11, 1979
Filed:
Jul. 21, 1977
Takashi Naitou, Kariya, JP;
Masaharu Sumiyoshi, Toyota, JP;
Osamu Ito, Toyota, JP;
Nobuhito Hobo, Inuyama, JP;
Yutaka Suzuki, Nishio, JP;
Nippondenso Co., Ltd., Aichi, JP;
Toyota Jidosha Kobyo Kabushiki Kaisha, Aichi, JP;
Abstract
In a carburetor, a heating device comprises a honeycomb heater element disposed within at least one of fuel and air passages of the carburetor to heat the fuel and/or air passing therethrough, the honeycomb heater element being made of a ceramic composition to have a positive temperature coefficient of resistance and being connected at the opposite ends thereof with an electric power source across an ignition switch of the engine, whereby the liquid fuel and/or air is heated by the heating device when the temperature of the liquid fuel or the air is lower than a critical temperature defined by the ceramic composition of the heater element.