Snow hydrant

Details Snow hydrant Snow hydrant

1986-02-12

1987-11-03

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

13762533, 251217, 251339, F16K 148, F16K 152

Patent

active

047037768

ABSTRACT:
A method and device for valving liquid flow through a conduit which avoids high pressure flow characteristics such as valve chatter due to turbulence and turbulence-enduced corrosion by spoiling the flow of liquid so as to break up the liquid front into diverse streams and thereafter closely regulating flow through the incipient stage to full flow stage.

REFERENCES:
patent: 504594 (1893-09-01), Knickerbacker
patent: 612914 (1898-10-01), Schmidt
patent: 1538912 (1925-05-01), Taylor
patent: 1674074 (1928-06-01), Turner
patent: 2100457 (1937-11-01), Trott
patent: 2117182 (1938-05-01), Lewis
patent: 2336653 (1943-12-01), Taylor
patent: 2541176 (1951-02-01), Rockwell

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