Exhaust system and mini-exhaust static pressure controlling...

Details Exhaust system and mini-exhaust static pressure controlling... Exhaust system and mini-exhaust static pressure controlling...

2008-01-08

2008-01-08

Krishnamurthy, Ramesh (Department: 3753)

Fluid handling

Processes

Involving pressure control

C137S854000, C251S337000

Reexamination Certificate

active

07316240

ABSTRACT:
An exhaust system and a mini-exhaust static pressure controlling apparatus thereof for controlling a process area. The mini-exhaust static pressure controlling apparatus has an exhaust chamber and an auto release damping device. The exhaust chamber has an air inlet connected to the process area receiving air exhaust from the process area, and an air outlet venting the air exhaust. The auto release damping device has a diaphragm pre-stressed in an arc shape with a coefficient of elasticity and an adjusting device for applying a stress on the diaphragm to maintain the arc shape of the diaphragm, and is disposed on the exhaust chamber to control static pressure of the air exhaust in the exhaust chamber.

REFERENCES:
patent: 3610273 (1971-10-01), Russell
patent: 5979480 (1999-11-01), Hoshiko
patent: 6065493 (2000-05-01), Friedman et al.
patent: 6129116 (2000-10-01), Laskowski
patent: 05160071 (1993-06-01), None
patent: 07066183 (1995-03-01), None
patent: 2001-216031 (2001-08-01), None

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