Underwater pump

Details Underwater pump Underwater pump

1978-10-26

1981-09-15

Gluck, Richard E.

Pumps

Motor driven

Internal-combustion engine

123198P, F04B 1700

Patent

active

042894565

ABSTRACT:
An underwater pump which comprises an engine received in liquidtightness in a capsule, and wherein the suction pipe and exhaust pipe of the engine are each open at one end on the surface of the wafer. The exhaust pipe is cooled by the surrounding water. A water-collecting chamber is formed at the lower end of the exhaust pipe to collect water drops deposited on the inner wall surface of the exhaust pipe, the collected water being drawn off to the outside. A connection pipe provided with a flow control valve communicates with a discharge water hose. Air remaining in an impeller casing or part of the discharge water pressurized by the impellers is carried into the discharge water hose through the connection pipe. Engine-cooling water is held in a water tank shut off from the surrounding discharge water. The engine-cooling water brought pack through a return path from the engine capsule is cooled by discharge water drawn into the underwater pump.

REFERENCES:
patent: 2191879 (1940-02-01), Dunajeff
patent: 2429732 (1947-10-01), Roos
patent: 3892079 (1975-07-01), Hirano et al.
patent: 4201524 (1980-05-01), Wilkins

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