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:
Jul. 14, 1981
Filed:
Nov. 29, 1979
Keizo Higashigawa, Toyota, JP;
Kazuo Shinoda, Toyota, JP;
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
Abstract
An acceleration pump for a carburetor incorporating first and second pump levers rockably secured to the carburetor body and moved via an acceleration rod connected at one end to the pump lever and a throttle lever connected at one end to the acceleration rod by a throttle valve rockably installed within the barrel of the carburetor, thereby telescopically moving a pump rod secured to a piston of a piston type acceleration pump or to a diaphragm of a diaphragm type acceleration pump. The acceleration pump thus employing the first and second pump levers can obtain an ideal fuel flow curve by increasing the fuel injection time thereof into the air intake opening of the carburetor to improve the exhaust gas purification while improving the drivability and acceleration of a vehicle by preventing a temporarily lean air/fuel ratio of the air/fuel mixture supplied to the carburetor immediately after the acceleration of the vehicle.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile