Ventilation – Having both inlet and outlet airways – With air pump means
Patent
1992-03-31
1993-08-17
Joyce, Harold
Ventilation
Having both inlet and outlet airways
With air pump means
454259, 454270, F24F 1310
Patent
active
052363910
ABSTRACT:
A corrosion-free, condensation-free, flush-mounted automatic air intake has a rectangular plastic frame insertable into an agricultural building ceiling or wall opening and fastenable thereat. The frame has a flange therearound for mounting and supporting an attic or wall housing forming an insulation barrier. The housing may also be integral with the frame flange. A lip extends outwardly from the frame and engages the room side of the ceiling or wall for fastening thereat in a flush-mount arrangement. The frame has a central frame or baffle opening for permitting fresh air to pass therethrough. An inwardly projecting flange is on the frame around the opening forming a baffle seat. A baffle is pivotally mounted and adapted to rest in the baffle seat flush with the frame, to close the baffle opening and to swing outwardly to permit air to pass through the intake and into the room under the influence of the building exhaust fan.
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Pamphlet: Del-Air C-Series Center Air Inlet, Del-Air Systems Ltd. (Canada): Del-Air Americas Ltd. (USA).
Pamphlet: Raydot Fresh Air Inlets, Raydot Total Ventilation Systems.
Pamphlet: Pruden Automatic Ceiling Inlet Mod. No. A-750 and A-1200, Pruden Airstream.
Pamphlet: Del-Air Side Air Inlet, Del-Air Systems Model Nos. 116 and 124.
Pamphlet: Automatic Wall Inlet Model AWC-1000 Pruden Airstream, Pruden Products, Inc.
Pamphlet: AAA Associates Inc. Var-Vent Air Controller.
Pamphlet: Agri-Aide Valve Controlled Air-Intakes Model Nos. LI 400 et al.
Pamphlet: Vent-O-Matic Air-Balancer Air Inlet System Ceiling and Side Wall Models.
Pamphlet: AAA Associates Inc. Adjust-A-Baffle
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