| 摘要 |
A windshield washer unit includes a reservoir for a spray solution, a pressurized air-actuated pump having an inlet submerged in said solution and a passageway adapted for communication with windshield spray nozzles. A control valve having an inlet adapted for communication with a pressurized air source and a passageway in communication with said pump is provided for introducing pressurized air into said pump. Means are provided for purging the spray nozzles of solution upon the discontinuation of the introduction of air into said pump.
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