MILKING SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
Nov 25, 2021
app pub date -
Aug 21, 2020
filing date -
May 20, 2020
priority date (Note) -
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Abstract
A differential vacuum system for use with a milking system. The differential vacuum system is configured to modulate the fluid pressure in the pulsation volume to cause a milking operation on a teat of an animal that is inserted into the bore of a liner. The pulsation cycle includes an “on” phase to open the liner and thereby enable milk flow from the teat, and an “off” phase in which the pulsation volume is at an increased pressure relative to the “on” phase to close the liner bore to thereby stop milk flow from the teat. The differential vacuum system controls the maximum vacuum applied to the pulsation volume to exceed the maximum vacuum applied to the liner bore.
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