Arrangement for reducing vacuum in milking machines

Details Arrangement for reducing vacuum in milking machines Arrangement for reducing vacuum in milking machines

1975-06-12

1977-07-05

Mancene, Louis G.

Animal husbandry

Milkers

With fluid pressure regulator

119 1408, 13710125, A01J 504

Patent

active

040332950

ABSTRACT:
A connection between a vacuum source and a conduit of a milking machine is controlled by a valve body having a position for providing a normal working vacuum in the conduit and a position for providing a reduced working vacuum in the conduit. The valve body is actuated by an element movable in a chamber in response to a pressure change in one part of the chamber communicating with the vacuum source through a passage; and a regulating device is provided for opening and closing this passage to cause movement of the valve body from one position to the other by the actuating element. The regulating device may be under the control of a milk flow indicator, so that the reduced vacuum is provided automatically whenever the milk flow is below a certain rate.

REFERENCES:
patent: 2667856 (1954-02-01), Heckendorf
patent: 3786782 (1974-01-01), Abrahamson et al.
patent: 3789798 (1974-02-01), Reisges et al.
patent: 3861355 (1975-01-01), Johnson et al.

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