Pulsator valves

Details Pulsator valves Pulsator valves

1978-04-13

1980-07-15

Nilson, Robert G.

Fluid handling

Systems

Sequentially closing and opening alternately seating flow...

1376142, 137DIG8, 119 1444, A01J 512

Patent

active

042123259

ABSTRACT:
A pulsator valve for a milking machine is disclosed which includes a pressure-limiting restriction applied to the air passage at an output connection to the teet cups. The pulsator is provided with a valve member of substantially flat annular form arranged to seat on an annularly surfaced valve seat within the pulsator valve and the pressure-limiting restriction is an orifice within this valve member arranged to seat downwardly on a valve seat around the output connection during outward air-flow from the pulsator valve so that the orifice is aligned with the output connection.

REFERENCES:
patent: 2896573 (1959-07-01), Schlam
patent: 3759226 (1973-09-01), Rudle
patent: 4033295 (1977-07-01), Soderlund

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