Animal inhalation exposure system

Details Animal inhalation exposure system Animal inhalation exposure system

1980-10-22

1982-09-14

Chamblee, Hugh R.

Animal husbandry

Milkers

With signals, indicators, registers, and timers

A01K 103

Patent

active

043489850

ABSTRACT:
An animal inhalation exposure system includes a rectangular exposure chamber, a test atmosphere source communicating with one internal chamber corner through an inlet conduit, and a vacuum source communicating with the diagonally opposite internal chamber corner through an outlet conduit. The said conduits are oriented so that the test atmosphere flows diagonally downwardly through the chamber, the portions of the chamber walls adjacent the inlet and outlet conduits, respectively, facilitating uniform and non-turbulent divergence and convergence of the test atmosphere. Test animal cages with horizontal excreta pans are preferably stacked in the chamber in offset horizontal tiers which define a plane substantially normal to the test atmosphere flow. A holding chamber shares a common wall with the exposure chamber and at least one closable opening is provided in the common wall for transfer of test animals between the chambers.

REFERENCES:
patent: 3367308 (1968-02-01), Quattrone et al.
patent: 3464388 (1969-09-01), Stout
patent: 3557756 (1971-01-01), Ramsey
patent: 3718118 (1973-02-01), Bibler
patent: 4216741 (1980-08-01), Moss

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