Anti-siphon nozzle

Details Anti-siphon nozzle Anti-siphon nozzle

1984-08-27

1986-06-03

Michalsky, Gerald A.

Fluid handling

Back flow prevention by vacuum breaking

Air vent in liquid flow line

137102, F16K 2400

Patent

active

045923825

ABSTRACT:
A miniature anti-siphon valve is disclosed which is of inexpensive manufacture, requiring only three parts which may be molded rather than machined. The valve will close to prevent reverse fluid flow when either pressure in the supply line drops below ambient air pressure or fluid flow into the valve outlet occurs. The valve operates regardless of its physical orientation, and in one embodiment may include a nozzle for use with a bidet.

REFERENCES:
patent: 2209189 (1940-07-01), Callejo
patent: 2594999 (1952-04-01), Robinson
patent: 2604113 (1952-07-01), Barsano
patent: 2627278 (1953-02-01), Somers
patent: 2814304 (1957-11-01), Sloan
patent: 2850034 (1958-09-01), Svabek et al.
patent: 3076470 (1963-02-01), Langdon
patent: 3338257 (1967-08-01), Ferguson
patent: 3470898 (1969-10-01), Langdon
patent: 3947899 (1976-04-01), Robinson et al.
patent: 4064896 (1977-12-01), Trenary

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