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:
Nov. 20, 1990
Filed:
May. 16, 1989
Tetsuo Muraji, Odawara, JP;
Mitsuru Sekiya, Odawara, JP;
Mikuni Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
The fuel injection device for injection carburetors is provided with a single fuel control unit for injecting a fuel into a suction tube in quantities corresponding to flow rates of air to be drawn into the suction tube, a slow negative pressure passage communicating with a depression chamber of the fuel control unit, a diaphragm valve for opening a main negative pressure passage to communicate the depression chamber with the main negative pressure passage when the air suction rate exceeds a predetermined value, and another diaphragm valve operable to close a slow jet and open a main jet when the air suction rate exceeds the predetermined value. This fuel injection device is simple in the structure thereof, manufacturable at a low cost and has high fuel control accuracy.