Fluid handling – Systems – Programmer or timer
Patent
1996-07-05
1998-07-07
Lee, Kevin
Fluid handling
Systems
Programmer or timer
137337, 137565, 417 32, F16K 4900
Patent
active
057753725
ABSTRACT:
An on demand, multi-faceted, programmable, electronically and electromechanically controlled, water and energy conservation system, easily segmented and adaptable to the limitations of varying structures, specific conservation goals and each user's economic considerations. The energy saver segment and one of several water saver segments may be combined into a complete system, configurational to differing conditions and useable with any pressurized water supply. The invention may also be configured for installation in existing, new or add-on structures. Preselected opening and closing of remotely actuated valves alters conduit paths, to avoid water waste down the drain, waiting for hot water. Hot water delivered from the hot water supply is completely used, eliminating the energy waste of hot water cooling in the pipes. On command from radio control unit (11) or remote control unit (9), power control (21) energizes flow controller (22) pre-programed to selectively energize and de-energize remotely actuated valve (61) or (62), and pump (66) of flow control unit (10), to simultaneously deliver hot water and re-circulate standing water in applicable conduits (32), (40), and (42), or (52), to hot water supply (31). Automatically, or by the user's override command, near the end of the selected use cycle, another conduit path is provided. Cold water supply pressure (12) to hot water supply (31) is interrupted through normally open, remotely actuated valve (94) and is re-directed through normally closed, remotely actuated valve (93), forcing delivered hot water to the open outlet, until used. The system operates only when commanded.
REFERENCES:
patent: 5261443 (1993-11-01), Walsh
patent: 5564462 (1996-10-01), Storch
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