Fluid handling – Processes – With control of flow by a condition or characteristic of a...
Patent
1992-10-20
1994-03-15
Hepperle, Stephen M.
Fluid handling
Processes
With control of flow by a condition or characteristic of a...
13710119, 136291, G05D 1113
Patent
active
052938921
ABSTRACT:
An apparatus and method for injecting a fluid such as a chemical corrosion inhibitor into a pipeline is provided. A solar panel is supported by a support structure in the vicinity of the pipeline location for converting solar energy to electrical current. The solar panel is electrically connected to an electrical storage battery through a voltage regulator that regulates the current generated by the solar panel to the battery for charging or recharging the battery. An electrically operable fluid pump is electrically connected to the battery through a selectively operable relay that controls electrical current from the battery. A fluid inlet of the pump can be connected to a reservoir of a fluid and a fluid outlet of the pump to a pipe. The relay can be selectively controlled to operate the pump, thereby pumping fluid from the reservoir into the pipe. In another aspect, the relay can be selectively preprogrammed with a central processing unit.
REFERENCES:
patent: 2863471 (1958-12-01), Thurman
patent: 3150676 (1964-09-01), Robinson
patent: 3317809 (1967-05-01), Bowers et al.
patent: 3900043 (1975-08-01), Bowen et al.
patent: 4246929 (1981-01-01), McLoughlin et al.
Imamura et al, "470-KW Photovoltaic Power System For Saudi Arabia Villages", presented to 15th Intersociety Energy Conversion Engr. Conference, Aug. 1980.
Solarex, "Photovoltaic Water Pumping", Solarex Corp Brochure, Feb. 1979.
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