Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1991-01-30
1992-09-22
Hart, Charles
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
55 20, 55 21, 55 23, 55 80, 55 97, 55213, 55215, 55217, 55269, 55472, 62 93, 62272, 210128, 210251, 210806, C02F 100, B01D 500, F25D 1706
Patent
active
051494469
ABSTRACT:
A water generating device for obtaining potable water from inside or outside ambient air, having ducts for bringing a supply of inside or outside ambient air to the device and for releasing the air back outside the device after it has been processed. There is an air filter for filtering the air prior to processing of the air. The air filter includes at least one filter element which becomes unusable when removed from the generator. A condenser is provided for extracting water vapor in the air brought thereto by the ducts. Within the ducts there is a fan or blower to move air from outside the device through the condenser and for returning the air back outside after it has traversed the condenser. Between the condenser and the collection point, there is a water filter for filtering the water from the condenser. The water filter includes a filter element cooperating female sensor which becomes unusable when removed. A container is positioned to receive and collect the water after it leaves the water filter, and there is a water sensor below the top of the container for shutting down the device or activating a pump to carry the water to another location when the container is full of water. A switch is provided for automatically deacivating the device until the nonreusable air filter element is replaced after a predetermined pressure drop in the air before the air filter compared to that of the air after the air filter. A timer is provided for deactivating the device until a nonreusable water filter element is replaced after a predetermined number of hours operation. A thermostat and humidistat are settable in conjunction with each other by a user to minimize energy consumption and maximize water yield. First and second indicators provide a signal when the air filter element and the water filter element are in need of being replaced.
REFERENCES:
patent: 4146372 (1979-03-01), Groth et al.
patent: 4235054 (1988-04-01), Beckey
patent: 4252003 (1981-02-01), Eckand et al.
patent: 4319461 (1982-03-01), Shaw
patent: 4351651 (1982-09-01), Courneya
patent: 4505128 (1985-03-01), Miller et al.
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