Mister nozzle apparatus

Details Mister nozzle apparatus Mister nozzle apparatus

2006-12-26

2006-12-26

Nguyen, Dinh Q. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Line fluid operated

C239S542000, C239S547000, C239S571000, C239S600000

Reexamination Certificate

active

07152816

ABSTRACT:
A mister nozzle apparatus has a check valve incorporated therein to shut off the water passing through the misting nozzle to prevent draining of the water from the misting water supply pipes. The check valve has a resilient membrane valve element which opens and closes responsive to water pressure to block or open the nozzle inlet. The check valve is vented to atmosphere through a vent located in the housing between the resilient membrane and the nozzle misting outlet.

REFERENCES:
patent: 4660598 (1987-04-01), Butterfield et al.
patent: 4882189 (1989-11-01), Corrigan
patent: 4899937 (1990-02-01), Haruch
patent: 4914339 (1990-04-01), Hayman, Jr. et al.
patent: 5125578 (1992-06-01), Ballu
patent: 5330104 (1994-07-01), Marcus
patent: 5441202 (1995-08-01), Wintering et al.
patent: 5711482 (1998-01-01), Yu
patent: 5820028 (1998-10-01), Dinur
patent: 6651901 (2003-11-01), Jones

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