Automatic water shut-off dispensers

Details Automatic water shut-off dispensers Automatic water shut-off dispensers

1992-06-18

1994-08-09

Bertsch, Richard A.

Pumps

Condition responsive control of pump drive motor

Plural pumps having separate drive motors, supply sources,...

417 53, 417 63, 417 36, F04B 4906

Patent

active

053360540

ABSTRACT:
A pumping arrangement for pumping water to ships comprises a pump having an inlet and an outlet, a level sensor, connectable to the outlet, for insertion into a water tank, and a control arrangement associated with the level sensor. The control arrangement de-activates the pump in response to a signal from the level sensor so as to avoid over-filling of the tank. The pumping arrangement further comprises transmitting means to transmit a signal at the same time as the control arrangement de-activates the pump. Such a signal is transmitted to, for example, a paging unit. Several pumping arrangements may be used at once with several ships, the paging unit being adapted to inform the operator when a given pumping arrangement has filled a water tank.

REFERENCES:
patent: 3800205 (1974-03-01), Zalar
patent: 4121094 (1978-10-01), DiVito et al.
patent: 4767280 (1988-08-01), Markuson et al.
patent: 4856047 (1989-08-01), Saunders
patent: 5064349 (1991-11-01), Turner et al.
patent: 5190442 (1993-03-01), Jorritsma

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