Axial flow pump

Details Axial flow pump Axial flow pump

1990-09-14

1992-04-07

Smith, Leonard E.

Pumps

Motor driven

Electric or magnetic motor

415110, 4174241, F04B 2100

Patent

active

051023083

ABSTRACT:
The invention relates to an axial flow pump installation and utilizes a motor for transmitting a torque to a rotary shaft extending from the motor to a bearing house. Mounted within the bearing house and circumferentially engaging the motor are a pair of thrust bearings and a radial floating bearing spaced a distance above the thrust bearings. A thrust retaining tube press fit between the floating bearing and the pair of thrust bearings retains the pre-determined distance between those bearings. The lower, thrust bearings bear a primary shaft thrust load, while the upper, floating bearing minimizes vibration of the shaft. A lubricant circulation passageways are formed for continuous circulating of the lubricant from a high pressure side to a low pressure side of a pump.

REFERENCES:
patent: 2604077 (1952-07-01), Nast
patent: 2888193 (1959-05-01), Greenwald
patent: 3137237 (1964-06-01), Zagar et al.
patent: 3249057 (1966-05-01), Callahan
patent: 3847504 (1974-11-01), Martin

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