Vacuum-control valve for milking systems
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United States of America Patent
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-
Sep 11, 1990
Grant Date -
N/A
app pub date -
Aug 4, 1989
filing date -
Aug 12, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vacuum-control valve for milking systems, with a valve body that is positioned upright and moves axially inside a housing and has a conical projection extending into an air-intake, with the valve-body cross-section changing as it moves axially, whereby the air-intake communicates with a vacuumized line. An aerodynamic structure is positioned under the valve body and is connected to the valve body by way of a rod such that the air entering the air intake exerts a downward force on the valve body.
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