Gas and liquid contact apparatus – Fluid distribution – Pumping
Patent
1991-10-15
1993-02-16
Miles, Tim
Gas and liquid contact apparatus
Fluid distribution
Pumping
261 99, 261 81, 261 95, 261DIG65, 422124, B01F 304, B01F 500
Patent
active
051868695
ABSTRACT:
An apparatus for injecting air freshener or other airborn vapor into the air of a building, mounts to the side of a manifold or other air passageway, which is part of the building air conditioning or heating system. A solid, liquid-saturated dispersant cylinder is ultimately inserted into the passageway and removed from the passageway into a substantially sealed container by means of an electric motor drive which is controlled by a microprocessor-driven control system. The programmable control system is set to introduce the solid dispersant into the air passageway at selectable times of the day and for a set duration, but may be overridden manually in the event a party is to be held, etc.
REFERENCES:
patent: 985515 (1911-02-01), Dorman
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patent: 2867866 (1959-01-01), Steele
patent: 3418068 (1968-12-01), Gilbertson
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patent: 4601886 (1986-07-01), Hudgins
patent: 4617157 (1986-10-01), Stein et al.
patent: 5023020 (1991-06-01), Machida et al.
Stager Scott A.
Stumpf Donald D.
Branscomb Ralph S.
Miles Tim
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