Device for contolling the water pressure and flow in a water sup

Details Device for contolling the water pressure and flow in a water sup Device for contolling the water pressure and flow in a water sup

1996-11-18

1998-04-14

Thorpe, Timothy

Pumps

Condition responsive control of pump drive motor

By control of electric or magnetic drive motor

417 20, 417 442, 417 43, F04B 4906

Patent

active

057384959

ABSTRACT:
A device for constant, automatic regulation of water pressure and flow in a water supply plant, comprising an electric pump fitted in the main water pipe, an adjustable pressure switch connected to the main water pipe, and an electronic control unit, which switches the pump on if the pressure falls short of a predetermined level or switches it off if a predetermined pressure level is exceeded. The device is characterized in that a turbine, incorporated in the water pipe, acts as a sensor, cooperating with a rotation signal transmitter which is connected to the electronic control unit in order to keep the pump switched on as long as the sensor detects a flow of water.

REFERENCES:
patent: 3973877 (1976-08-01), Taki
patent: 4124332 (1978-11-01), Nishijyo
patent: 4344741 (1982-08-01), Taki
patent: 4848097 (1989-07-01), Roberts
patent: 5139044 (1992-08-01), Otten et al.
patent: 5464327 (1995-11-01), Horwitz
patent: 5580221 (1996-12-01), Triezenberg

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