Sterile air trolley

Details Sterile air trolley Sterile air trolley

1989-12-15

1991-03-05

Joyce, Harold

981153, F23J 1100

Patent

active

049969102

ABSTRACT:
A sterile zone is provided above a horizontal working surface of a mobile casing by provision of an upstanding top section fitment having perforated walling. A fan inside the casing draws air in through lower inlets, and through filters, and clean air passes out via the perforated fitment walling. A major portion of the air flow is preferably directed across the working surface by provision of larger perforations in the fitment wall region which faces that surface and/or by provision of curving air deflector plates inside the top section. Airflow at a lower level from the remainder of the top section prevents any inflow or entrainment of contaminents to the sterile zone.

REFERENCES:
patent: 3251177 (1966-05-01), Baker
patent: 3336855 (1967-08-01), Messina
patent: 3426512 (1969-02-01), Nesher
patent: 3498032 (1970-03-01), Scott
patent: 4016809 (1977-04-01), Austin
patent: 4531956 (1985-07-01), Howorth

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