Patent
1988-08-08
1989-05-16
Joyce, Harold
98119, F24F 706
Patent
active
048298859
ABSTRACT:
A ventilation system for use in animal confinement enclosures. A duct extends the length of the enclosure and includes a back pressure plate having a plurality of holes. A flexible baffle is positioned adjacent the back pressure plate exterior of the duct. The baffle flexes away from the plate under force of air being introduced through the duct holes and serves to spread air evenly the length of the duct and reduce the exiting force. An exhaust fan is also included to draw air out of the enclosure.
REFERENCES:
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patent: 1975316 (1934-10-01), Ferris
patent: 3138086 (1964-06-01), Rigterink et al.
patent: 3299798 (1967-01-01), Habben
patent: 4022117 (1977-05-01), Mallian
patent: 4334577 (1982-06-01), George
AAA Associates Inc.
Hall James D.
Joyce Harold
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