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:
Mar. 20, 1990
Filed:
Aug. 05, 1988
Toshio Takano, Yokohama, JP;
Keiichi Shindo, Tokyo, JP;
Yasuhiro Iwata, Yokohama, JP;
Masamitsu Higuchi, Hiratsuka, JP;
Hidehiro Nishizawa, Hiratsuka, JP;
Atsushi Fujimoto, Hiratsuka, JP;
Hidehiro Nishizawa, Hiratsuka, JP;
Nissan Motor Company, Limited, Yokohama, JP;
Abstract
Cleaning of gums, sludge and other adhering on a fuel injection valve in a fuel injection internal combustion engine can be done by driving of engine with a cleaning agent as a mixture of gasoline and an aromatic solvent. The mixture is adjusted the mixture rate thereof to satisfactorily combustion in an engine cylinder and dissolve gums, sludge and other adherings on the fuel injection valve. The cleaning agent is supplied to the engine cylinder through the fuel injection valve and during passing through the fuel injection valve it dissolves the adherings.