Animal husbandry – Milkers – With signals – indicators – registers – and timers
Patent
1975-11-17
1977-05-17
Chamblee, Hugh R.
Animal husbandry
Milkers
With signals, indicators, registers, and timers
119 17, A01K 100
Patent
active
040235297
ABSTRACT:
A laminar flow system and removable animal rack is disclosed in which the housing which includes a blower, plenum chamber, and filter is fixedly secured to a support surface. The filter is open at at least one end, and a removable animal rack may be wheeled into position immediately adjacent the filter. The unit may be constructed with the filter recessed so that the end walls overlap a portion of the animal rack; or with a filter in the front wall and the rear wall, so that animal racks may be positioned at both the front and the rear of the housing. Optionally, extensions may be placed on the end walls to reduce end effect or eddy currents from the ambient air entering into the laminar flow as the same passes filtered air over cages contained in the animal racks. The proportions of the housing are greater than four to one for the ratio of the height to the depth, a height to width ratio of less than two to one, and a width to depth ratio of greater than three to one.
REFERENCES:
patent: 3557756 (1971-01-01), Ramsey
patent: 3630174 (1971-12-01), Runkle et al.
patent: 3892201 (1975-07-01), Crawford
Chamblee Hugh R.
Dominik Jack E.
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