Windshield washer nozzle with drain port

Details Windshield washer nozzle with drain port Windshield washer nozzle with drain port

1997-10-16

1999-01-12

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Liquid sprayer for transparent panel

239124, 239571, 137391, 137433, B05B 110

Patent

active

058576240

ABSTRACT:
A windshield washer nozzle with a drain port is disclosed. In the nozzle with liquid inlet and outlet ports, a partition wall is formed in the middle portion of the passage between the two ports, thus branching a drain port from the main passage. A pressure float valve is movably positioned in the middle portion of the main passage. The valve moves upward or downward under the guide of the partition wall in accordance with the pressure of the liquid in the passage, thus selectively closing the drain port or the passage. The drain port automatically drains the liquid from the nozzle at the end of a liquid ejecting operation, thus allowing the nozzle to be free from any deposits and preventing the nozzle from being blocked or unexpectedly frozen up in cold weather.

REFERENCES:
patent: 178137 (1876-05-01), Garland
patent: 3141617 (1964-07-01), Spica
patent: 3491788 (1970-01-01), Kilayko

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