High-temperature motor pump

Details High-temperature motor pump High-temperature motor pump

1997-03-27

1999-07-27

Ryznic, John E.

Rotary kinetic fluid motors or pumps

With lubricating, sealing, packing or bearing means having...

For shaft sealing, packing, lubricating or bearing means

415111, 415143, 415107, 4174231, F04D 1300, F01D 1100, F03B 1100

Patent

active

059279419

ABSTRACT:
A high temperature pump is compact in size, reasonable in manufacturing cost and capable of stable pumping operation. The high-temperature motor pump includes a pump portion for pumping a liquid, a motor portion integrated with the pump portion for driving the same, and a rotatable shaft for transmitting rotation of the motor portion to the pump portion. A magnetic bearing is provided within the motor portion for supporting one end of the rotatable shaft by actively controlling a position thereof in a radial direction. A hydrostatic bearing is provided within the pump portion for supporting the other end of the rotational shaft in a radial direction by using a hydrostatic pressure of a portion of the liquid pumped by the pump portion.

REFERENCES:
patent: 1966855 (1934-07-01), Gregg
patent: 2796027 (1957-06-01), Brown
patent: 2799227 (1957-07-01), Allen
patent: 2921533 (1960-01-01), Williams
patent: 3620639 (1971-11-01), Gaffal et al.
patent: 3698775 (1972-10-01), Gilbert
patent: 3788762 (1974-01-01), Partos
patent: 3918852 (1975-11-01), Carter
patent: 4838759 (1989-06-01), Dunn et al.
patent: 5553742 (1996-09-01), Maruyama et al.
"World Pumps" published by Elsevier Advance Technology, United Kingdon, Mar., 1991, p. 27, p. 29.

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