Gas and liquid contact apparatus – Fluid distribution – Pumping
Patent
1988-02-29
1989-05-16
Chiesa, Richard L.
Gas and liquid contact apparatus
Fluid distribution
Pumping
239 35, 239 57, 250215, 261 30, 261 96, 261DIG17, 261DIG65, 315159, 422124, B01F 304
Patent
active
048307912
ABSTRACT:
An improved odor control device including a source of deodorizing olfactory stimuli, a squirrel cage fan for circulating air carrying the stimuli, an electronic circuit providing a visual indicia relating to the status of the power source. A secondary circuit controls indicia means for indicating the elapse of a predetermined span of time from initilization of control of one such span of time for the purpose of alerting the user to examine and/or replace the olfactory stimuli.
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Maloney Patrick D.
Muderlak Kenneth J.
Chiesa Richard L.
Scentex, Inc.
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