Clean bench

Details Clean bench Clean bench

1983-10-13

1985-12-10

Joyce, Harold

55DIG18, F23J 1100

Patent

active

045571848

ABSTRACT:
Clean bench having an outlet wind velocity measuring apparatus for the filter. The measuring apparatus comprises an air duct on a downstream of the filter, a rectifier means at the passage of the air duct, and a wind velocity sensor for detecting the velocity of the outlet wind rectified by the rectifier means.

REFERENCES:
patent: 3518814 (1970-07-01), Maynard
patent: 3811250 (1974-05-01), Fowler, Jr.
patent: 4174065 (1979-11-01), Knauth
patent: 4254659 (1981-03-01), Benedetto et al.
patent: 4418568 (1983-12-01), Surman

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