Clean air zone

Details Clean air zone Clean air zone

1977-04-08

1979-02-06

Yuen, Henry C.

Surgery

Truss

Pad

98 40D, 128 1R, 55DIG29, F24F 900

Patent

active

041378318

ABSTRACT:
Apparatus for generating a clean air zone, for example around a patient undergoing surgery or for a pharmaceutical or electronic clean room, has air supply means and air delivery means, inlets to the air supply means being distributed about the periphery of the apparatus so that clean air issuing from the delivery means travels first away from the delivery means, next outwardly from the center of the zone and finally inwardly to the inlets, thus sweeping an area larger than the size of the apparatus, and obviating the need for the apparatus to clean large quantities of ambient air.

REFERENCES:
patent: RE25216 (1962-08-01), Kennedy
patent: 3380369 (1968-04-01), Allander
patent: 3631788 (1972-01-01), Larfeldt
patent: 3721067 (1973-03-01), Agnew
patent: 3726203 (1973-04-01), Lindestrom
patent: 3726204 (1973-04-01), Lindestrom
patent: 3760708 (1973-09-01), Burup
patent: 3776121 (1973-12-01), Truhan
patent: 3803995 (1974-04-01), Allander
patent: 3818815 (1974-06-01), Day

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