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. 25, 1979
Filed:
Oct. 27, 1977
Nobuhito Hobo, Inuyama, JP;
Yutaka Suzuki, Nishio, JP;
Takashi Naito, Kariya, JP;
Yoshimune Konishi, Kariya, JP;
Nippondenso Co., Ltd., Kariya, JP;
Abstract
An injection pump control system comprises a plurality of pressure feed mechanisms each thereof including inner cams, pump plungers, etc., and provided in a rotor, a separate fuel inlet passage provided for each pressure feed mechanism, an electromagnetic valve provided for each fuel inlet passage to open and close the same, an electric control circuit for making the number of open-close operations of each electromagnetic valve equal to the number of operations of each pressure feed mechanism and for controlling the duration of opening of the electromagnetic valves in accordance with the operating conditions of an engine.