Centrifugal water pump for internal combustion engines

Details Centrifugal water pump for internal combustion engines Centrifugal water pump for internal combustion engines

1977-04-07

1979-05-22

Myhre, Charles J.

Internal-combustion engines

Cooling

With liquid coolant circulating means

123 4146, 123 4147, 123 9031, 415205, F01P 510

Patent

active

041553330

ABSTRACT:
A centrifugal water cooling pump unit mounted to the front cover of an internal combustion engine and is connected directly to the camshaft. The pump unit includes a special intake chamber overlying an impeller having straight radial blades with inner ends spaced from the axis of rotation. The intake chamber is formed with a spiral discharge passageway to direct the water spirally about the impeller axis of the impeller, with the water introduced into the impeller adjacent the radially inner ends of the radial blades. A pair of shaft seals are provided in the front cover with a telltale opening therebetween to indicate leakage from the water pump. The impeller is formed of plastic to the end of the pump shaft by a clamping nut. A bell-shaped washer is interposed between the impeller and nut to limit the pressure made on the plastic impeller.

REFERENCES:
patent: 54937 (1866-05-01), Miller
patent: 1461711 (1923-07-01), Bull
patent: 2214243 (1940-09-01), Casson
patent: 2680409 (1954-06-01), Sebens
patent: 3001517 (1961-09-01), Baker
patent: 3871790 (1975-03-01), Rameau

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