Fluid handling – Diverse fluid containing pressure systems – Main line flow displaces additive from shunt reservoir
Patent
1996-03-22
1998-02-10
Walton, George L.
Fluid handling
Diverse fluid containing pressure systems
Main line flow displaces additive from shunt reservoir
119 1434, 137391, 137406, 137408, 137423, 137425, 137430, 141198, 222 68, 222152, 417126, 417127, 417138, A01J 500, A01J 501, F16K 3124, F16K 3300
Patent
active
057158568
ABSTRACT:
A liquid flow control apparatus (5) suitable for handling milk from a milking machine, comprising a first chamber (10) that comprises an inlet (11) for the milk, an outlet (12) for connecting to a vacuum pump, and an outlet (14) for the milk to flow by gravity to a second chamber (13). The first chamber (10) and the second chamber (13) are in communication with each other by means of the outlet (14) at the bottom of the first chamber (10). The second chamber (13) has a float valve (23) that closes off communication between the first chamber (10) and the second chamber (13) depending on the level of liquid in the second chamber (13). A conduit tube (18) for air communication is disposed between the first chamber (10) and the second chamber (13). A second float valve (17b) closes off communication via the conduit tube (18) between the two chambers. A third chamber (21) has two valves with one valve (26) opening to the atmosphere and a second valve (20) opening to the second chamber (13). The second chamber (13) also has an outlet (15) with a counterweighted flapper valve (16) for opening and closing the outlet (15). The valves cooperate in response to rising or falling fluid levels to close or open associated chambers, thus creating a mechanism for moving fluid under reduced pressure through the apparatus (5).
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Dawkins John
Martin Tommy
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