Apparatus and method for controlling gas flow

Details Apparatus and method for controlling gas flow Apparatus and method for controlling gas flow

2011-03-22

2011-03-22

Lee, Kevin L (Department: 3753)

Fluid handling

Processes

Involving pressure control

C137S505000, C137S487500

Reexamination Certificate

active

07909052

ABSTRACT:
A gassing system includes a gassing device, a pressure regulator in communication with the gassing device and a gas source and a PLC electrically connected to the pressure regulator. In addition, the system includes a removable orifice in communication with the pressure regulator, wherein the pressure regulator controls gas flow responsive to a signal sent from the PLC and wherein gas exiting the pressure regulator flows directly into and through the orifice and directly into the gassing device.

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patent: 2004/0084087 (2004-05-01), Sanfilippo et al.
patent: 2004/0112435 (2004-06-01), Olander

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