Gas and liquid contact apparatus – Fluid distribution – Valved
Patent
1984-02-21
1985-04-23
Miles, Tim
Gas and liquid contact apparatus
Fluid distribution
Valved
261122, 251 65, 137102, 137528, B01F 304
Patent
active
045129347
ABSTRACT:
An air bubble hydromassaging apparatus having a blower housed in a control unit, a bubble grid adapted to be placed in a bathtub, and air tubing enclosing a check valve to connect the control unit to the bubble grid. The control unit is provided with a bushing type compressed air outlet and the bubble grid is provided with a bushing type compressed air inlet. The air hose has a connector fitting on each end by which it is detachably and airtightly connected to the compressed air outlet of the control unit at one end and to the compressed air inlet of the bubble grid at the other end. A check valve built into the connector fitting serves to obstruct passage through the connector fitting when the blower is inoperative and opens to permit passage through the connector fitting when the blower is operative. Due to the particular construction of the air hose connector fittings and their specially defined association with the compressed air outlet of the control unit and the compressed air inlet of the bubble grid, and further in view of the reflux preventing check valve which is built into one of the air hose fittings, an absolutely safe operation of the device is achieved. The air bubble hydromassaging apparatus is functional only when the proper ends of the air hose are respectively connected to the control unit and the bubble grid, whereby the direction of passage of the check valve is automatically established.
REFERENCES:
patent: 3076976 (1963-02-01), Bogar
patent: 3265062 (1966-08-01), Hesse
patent: 3515163 (1970-06-01), Freeman
patent: 4269797 (1981-05-01), Mikiya et al.
patent: 4412568 (1983-11-01), Hughes
Metronic Electronic GmbH
Miles Tim
Speckman Thomas W.
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