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. 17, 1981
Filed:
Jul. 03, 1979
Tokio Kohama, Nishio, JP;
Takeshi Matsui, Aichi, JP;
Akira Nishimatsu, Aichi, JP;
Kiyoshi Kobashi, Mishima, JP;
Hisasi Kawai, Toyohashi, JP;
Toshikazu Ina, Okazaki, JP;
Hidetaka Nohira, Mishima, JP;
Nippon Soken, Inc., Nishio, JP;
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
Abstract
In a carburetor for an internal combustion engine, a control valve is disposed with an air passage through the carburetor structure to control the flow quantity of air to be mixed with fuel from a float chamber and a pneumatic servo-motor is operatively connected with the control valve to control the opening degree of the valve. The pneumatic pressure applied to the servo-motor is electrically controlled to satisfy the following function in relation to the engine intake manifold vacuum and the engine speed.