Fluid handling – With indicator – register – recorder – alarm or inspection means – Inspection means
Patent
1984-04-12
1985-09-24
Chambers, A. Michael
Fluid handling
With indicator, register, recorder, alarm or inspection means
Inspection means
137550, 137DIG8, 251285, 184 614, 184 29, 184 82, 138 45, F16K 3700, F16N 2300
Patent
active
045427666
ABSTRACT:
In an oil-flow regulator for vacuum pumps in milking systems, the amount of oil to be introduced is determined by the dimensions of an annular gap between a valve cone and a restrictor. The valve cone is attached to a diaphragm between the oil chamber and a partial-vacuum chamber that communicates with the suction line to the vacuum pump. When the vacuum pump is turned on, a partial vacuum builds up in the partial-vacuum chamber, forcing the diaphragm and the valve cone upward until the valve cone impacts against an axially adjustable stop. This establishes the oil flow. When the pump is turned off, the partial vacuum in the partial-vacuum chamber cancels out again, the valve cone blocks off the restrictor, an oil flow is interrupted. No oil can flow into the catch chamber when the pump is turned off and lead to an excessive rate of flow and excess oil consumption.
REFERENCES:
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patent: 1515648 (1924-11-01), Arnold
patent: 2719603 (1955-10-01), Le Clair
patent: 3599753 (1971-08-01), Walsh
patent: 3693757 (1972-09-01), Callahon et al.
patent: 4263029 (1981-04-01), George
Alfa-Laval, Vakuum-Pumpe 18LH, German Technical Data Report, 1983.
Westfalia Separator, Westfalia Separator AG, German Technical Data Report, 1983.
Gawer Klaus-Peter
Suhr Olaf
Chambers A. Michael
Westfalia Separator AG
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