Animal husbandry – Milkers – Combined
Patent
1977-07-11
1979-04-17
Chamblee, Hugh R.
Animal husbandry
Milkers
Combined
A01J 700
Patent
active
041494890
ABSTRACT:
A valving system is disclosed that is useful for milking of animals such as cows. A stimulator, that includes one or more stimulator units each of which has biased elements, is releasably positioned on one or more teats of the animal to be milked and a warm liquid such as water is conducted through the stimulator units and ejected therefrom onto the associated teat or teats in order to induce milk let down. Each biased element has resilient gripping teeth to engage the teats of the animal to be stimulated. After the supply of liquid is terminated and the teat cups of a milking apparatus have been positioned on the animal, milk is withdrawn from the animal through a valve under the control of a control unit that has an input responsive to the temperature of the milk being withdrawn. When the temperature falls to a predetermined point indicating the end of milking of the animal and to automatically cause the valve to assume a rinse and/or drain position to rinse or sanitize the milking apparatus and allow the same to drain. The valve is multi-ported and three embodiments have been disclosed. In two embodiments, the rinse and drain positions are separate while in a third embodiment, the rinse and drain positions are combined.
REFERENCES:
patent: 2713344 (1955-07-01), Gallistel
patent: 2779308 (1957-01-01), Gallistel
patent: 3044443 (1962-07-01), Baum
Fisher Gene A.
Umbaugh Raymond E.
Chamblee Hugh R.
Umbaugh Raymond E.
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