Bottled water source to soft drink dispenser machine

Details Bottled water source to soft drink dispenser machine Bottled water source to soft drink dispenser machine

2005-07-12

2005-07-12

Kaufman, Joseph A. (Department: 3754)

Dispensing

Automatic control

Material level control

C222S185100, C222S424000

Reexamination Certificate

active

06915924

ABSTRACT:
A water dispensing apparatus switches from a city water supply line to an auxiliary water reservoir when the city water supply line becomes unacceptable. A valve connects, alternatively, city water and auxiliary water supply lines to a consumer water supply line. Auxiliary water is supplied from a water accumulator to the auxiliary water supply line and replenished by pumping from the auxiliary water reservoir in response to detection by a pressure switch of low accumulator pressure. A check valve is inserted in the auxiliary water supply line downstream of an electric pump and upstream of the pressure switch. A low water level detector operates a switch to cut off power to the pump when the level of water in the auxiliary water supply reservoir falls below a predetermined value.

REFERENCES:
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patent: 5979713 (1999-11-01), Grill
patent: 6453955 (2002-09-01), Lee
patent: 2002/0170921 (2002-11-01), Tan et al.

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