Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1989-03-03
1990-11-27
Nilson, Robert G.
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
220 88B, G05D 706
Patent
active
049728660
ABSTRACT:
A purge module is provided which provides gas to an enclosure at a first flow rate in order to purge the enclosure of harmful gases. After the pressure within the enclosure has reached a predetermined level, a sensor enables gas at a low pressure to be supplied to the enclosure after a predetermined time has passed. The purge module also enables power to be supplied to the device being purged at the same time the purge gas flow rate is changed.
REFERENCES:
patent: 3474823 (1969-10-01), Finlayson
patent: 4802502 (1989-02-01), Williams
Anthony Michael M.
Toth George E.
LT Industries
Nilson Robert G.
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