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:
Feb. 01, 1977
Filed:
Jul. 25, 1975
Noriaki Kawai, Okazaki, JA;
Hisaji Okamoto, Aichi, JA;
Yosiaki Takeda, Nagoya, JA;
Fukuzi Sano, Kariya, JA;
Akio Kakiuchi, Nagoya, JA;
Masami Manabe, Kariya, JA;
Takashi Nomura, Kariya, JA;
Sigeya Abe, Kariya, JA;
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JA;
Nippondenso Kabushiki Kaisha, Kariya, JA;
Abstract
An ignition system for a spark-ignition type internal combustion engine comprising an ignition device capable of performing the spark timing control function, wherein in order to improve the engine torque, a temperature detecting element for detecting the temperature having an effect on the engine torque efficiency is provided in addition to the ignition device, so that the ignition device is actuated to advance the timing of the spark at a lower temperature as compared with that employed at a higher temperature in accordance with the temperature detected by the temperature detecting element.