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US 11,540,484 B2Granted
Safety valve for a dairy system component
AssigneeGEA Farm Technologies GmbH
InventorsKevin L. Torgerson, Nathan Hedlund, Matthew J. Stuessel
Life of this patent
Estimating the term…
Abstract
A system for cleaning a dairy animal milker unit and applying dip to a dairy animal, the system includes a main control, an air supply, a water supply, a backflush fluid supply, a dip supply, a stall control for receiving the air, water, backflush fluid and dip supplies, and a safety valve that is adjacent to a downstream portion of the milker unit to control backflush and dip fluids being fed to the milker unit.
Claims19
A safety valve for a dairy system component, the safety valve comprising:
- a cup defining:
- a first valve seat,
- a second valve seat, and
- a third valve seat;
- and
- a valve piston slidably disposed at least partially in the cup to move the safety valve between:
- a closed position, in which the first valve seat and the second valve seat are closed, and the third valve seat is open to a vent;
- and an open position, in which the first valve seat and the second valve seat are open to a fluid flow channel between the first valve seat and the second valve seat, and the third valve seat is closed to the vent.
5 more elements
Dependencies are inferred from the claim text.