Air velocity control unit and air conditioning system having...

Details Air velocity control unit and air conditioning system having... Air velocity control unit and air conditioning system having...

2006-10-10

2006-10-10

Boles, Derek S. (Department: 3749)

Ventilation

Clean room

C454S273000

Reexamination Certificate

active

07118473

ABSTRACT:
An air velocity control unit includes first bars fixed using a frame. Second bars are disposed below the first bars. The second bars are alternatively arranged between the first bars. The second bars are connected with each other. The unit further includes a control member for moving the second bars upwardly and downwardly to control the air velocity. A connecting member connects the second bars to the control member. Clean air flows into a clean room by a controllable velocity in accordance with the upward and downward movement of the second bars.

REFERENCES:
patent: 2822741 (1958-02-01), Kennedy
patent: 4040293 (1977-08-01), Wilson
patent: 4061082 (1977-12-01), Shuler
patent: 5096477 (1992-03-01), Shinoda et al.
patent: 5520580 (1996-05-01), Showalter et al.
patent: 5830058 (1998-11-01), R.ø.sj.ø
patent: 6561895 (2003-05-01), McGill

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