Air regulator valve for ventilated cage and rack system

Details Air regulator valve for ventilated cage and rack system Air regulator valve for ventilated cage and rack system

1998-06-17

2000-02-29

Hepperle, Stephen M.

Fluid handling

Systems

Dividing into parallel flow paths with recombining

2511496, 251285, F17D 301

Patent

active

060296984

ABSTRACT:
A device for regulating exhaust air flow in a ventilation system when a rack is removed from the system. The device includes a housing forming an air conduit. A valve is mounted in the housing with the valve being moveable between an open position when the device is connected to the rack, and in one of a plurality of partially preset closed positions when the device is not connected to the rack. A valve adjustment member selects the one of a plurality of partially closed positions and is preset during factory testing. When valve is installed at facility and valve is removed from rack the adjustment is fully automatic. The technician merely disconnects the exhaust drop hose with valve attached, and valve automatically adjusts to a preset back pressure duplication position (partially closed position).

REFERENCES:
patent: 3127148 (1964-03-01), Collar
patent: 3147768 (1964-09-01), Kennedy
patent: 3561725 (1971-02-01), Torres
patent: 3592240 (1971-07-01), Hedrick et al.
patent: 3921900 (1975-11-01), Cole
patent: 4289295 (1981-09-01), Allread
patent: 4586694 (1986-05-01), Jones

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