Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition – Control element responds proportionally to a variable signal...
Patent
1988-07-18
1989-08-29
Lacey, David L.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
Control element responds proportionally to a variable signal...
422112, 422113, 422122, G05D 701
Patent
active
048615609
ABSTRACT:
A liquid supply device comprises a sealed vessel containing a reactive liquid, a guide cylinder disposed to the inside of the sealed vessel, a piston adapted to slide along the inside of the guide cylinder depending on the change of the pressure in the sealed vessel, a spring for urging the piston toward the inside of the sealed vessel, a pressure-generating catalyst adapted to move into and out of the reactive liquid interlocking with the piston for decomposing the reaction liquid to evolve gases upon contact with the reactive liquid, and a delivery apparatus for sending out the reactive liquid out of the vessel due to the increase in the pressure inside the vessel upon evolution of the gas.
The reactive liquid evolving gases is supplied continuously without using a pump or like other positive driving apparatus, but due to the pressure of gases evolved from the reaction solution per se, with no noisy mechanical sounds and operational energy.
REFERENCES:
patent: 157349 (1874-12-01), Pietsch
patent: 228315 (1880-06-01), Collins
patent: 2455975 (1948-12-01), Buehl et al.
patent: 3291572 (1966-12-01), Fatica
patent: 3453086 (1969-07-01), Harm
patent: 4466556 (1984-09-01), Sochting
patent: 4792435 (1988-12-01), Nakajima
Lacey David L.
Muir Gregory
Nakajima Doko Company Limited
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