Fluid handling – Systems – Programmer or timer
Patent
1988-03-28
1989-06-13
Rosenthal, Arnold
Fluid handling
Systems
Programmer or timer
25112904, 239 66, 239 69, F16K 3102
Patent
active
048383104
ABSTRACT:
An impeller is positioned within the flow of a fluid to be used to irrigate an area. The impeller drives a generator, which operates to charge and sustain a storage battery. The battery powers a receiver having an identification code by which the receiver may be addressed to receive commands, such as, for example, to open or close a valve, thereby providing fluid to irrigate an area. By opening the valve, the fluid flow is increased, and more power is generated and stored in the battery. In this way, power is generated automatically for the receiver, which, in turn, controls the fluid flow for irrigation.
REFERENCES:
patent: 3726477 (1973-04-01), Shapiro
patent: 3974879 (1976-08-01), Nelson, Jr. et al.
patent: 4185650 (1980-01-01), Neves et al.
Gray John C.
Scott Eric M.
Scott George R.
Berry Thomas G.
Egan Wayne J.
Motorola Inc.
Rosenthal Arnold
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