Exhaust fan

Details Exhaust fan Exhaust fan

1996-10-24

1997-12-02

Phillips, Charles E.

Baths, closets, sinks, and spittoons

Ventilation

Water-motor pump

416 63, 454343, E03D 904

Patent

active

056922477

ABSTRACT:
The disclosure herein describes an apparatus for recovering kinetic energy in a free flowing water stream and converting it into useful energy; it comprises a body (22) immerged in a stream, the body defining a duct having an intake side (26) and a discharge side (27). The discharge side is equipped with a deflector (30) which flares outwardly for obstructing the flow of water around the duct to thereby create a negative pressure drag on water being impelled as it is being discharged from the duct. The deflectors flare outwardly at an angle varying from 75.degree. to 160.degree. as measured from the longitudinal axis of the duct.

REFERENCES:
patent: 1381710 (1921-06-01), Krantz et al.
patent: 1441007 (1923-01-01), Littlefield
patent: 1624016 (1927-04-01), Schuck
patent: 3605126 (1971-09-01), Henry

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