Importance

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Abstract

The pressure of fluid supplied by a high-pressure line is reduced to a lower pressure suitable for a low-pressure utilization device located in an environment having an electrical grid by interposing a fluid motor between the high-pressure line and the low-pressure utilization device such that operation of the latter causes the high-pressure fluid to operate the motor and to exhaust into the utilization device. The fluid motor drives an asynchronous generator whose output is connected to the electrical grid through a switch whose state is normally open. The switch is maintained in a closed state only during operation of the motor by providing, for example, a pressure sensor in the exhaust of the motor for sensing the passage of fluid through the motor. As long as the utilization device is furnished with low-pressure fluid, the switch is closed and the output of the generator is fed directly into the power grid of the local environment, thereby reducing the amount of power being supplied to the local environment by the power company.

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First Claim