Head lamp washing system
US4390128A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1981 |
| Grant date | Jun 28, 1983 |
| Priority date | — |
| Expiry date | Sep 16, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60S1/481
- WIPO fieldTransport
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.