Animal husbandry – Milkers – With signals – indicators – registers – and timers
Patent
1981-05-22
1982-11-09
Chamblee, Hugh R.
Animal husbandry
Milkers
With signals, indicators, registers, and timers
119 17, A01K 103
Patent
active
043579035
ABSTRACT:
A device for producing a fluid stream of varying composition comprises a chamber having an inlet at one end and outlet at the other. Between the inlet and outlet there are substantially planar pans or baffles positioned normal to the bulk flow of fluid between the inlet and the outlet. These pans are arranged in pairs. Each pan, except those of the pair most remote from the inlet, is spaced from the walls of the chamber to permit air to flow past it. The pans of each pair are also spaced from each other, in a direction parallel to their planes, leaving an empty space along the mid-plane of the chamber. This produces a circulation and mixing of fluid between the pairs of pans or baffles. A secondary stream of fluid is introduced between two pairs of baffles in the intermediate portion of the chamber, so that the composition of the fluid is different in the portion adjacent to the outlet and the portion adjacent to the inlet. In a specific embodiment, the device is an exposure chamber for experimental animals, and the pans or baffles are catch pans for excrement.
REFERENCES:
patent: 3584927 (1971-06-01), Ott et al.
patent: 4216741 (1980-08-01), Moss
Clark Mark L.
Moss Owen R.
Rossignol E. John
Chamblee Hugh R.
Hauth Joseph J.
Hazleton Systems, Inc.
Sharp Robert Keith
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