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:
Jun. 28, 1983
Filed:
Sep. 16, 1981
Tadashi Fujikawa, Tokyo, JP;
Masami Goto, Koganei, JP;
Nissan Motor Company, Limited, Yokohama, JP;
Abstract
A head lamp washing system is disclosed which comprises a solenoid valve having an inlet and first and second outlets, the solenoid valve operable in its first position where the inlet is connected only to the first outlet when energized and in its second position where the inlet is connected only to the second outlet when deenergized, first and second injectors each having at least one injection nozzle, the injection nozzle of the first injector connected to the first inlet, the injection nozzle of the second injector connected to the second inlet, a detergent cistern containing a liquid detergent, the cistern connected to the inlet of the solenoid valve, a pressurizer for pressurizing the liquid detergent supplied to the solenoid valve, and a control circuit for alternatively allowing and cutting off power to the solenoid valve on a periodic basis.