Pump with heat exchanger

Details Pump with heat exchanger Pump with heat exchanger

1987-03-17

1988-10-04

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Including heat insulation or exchange means

Cooling fluid contacts shaft, seal or bearing

415112, 277 15, 277 22, 277 70, 277 79, 277135, F01D 508, F02F 1100

Patent

active

047752939

ABSTRACT:
A pump having a heat exchanger including a rotating baffle sleeve secured to the pump shaft. A seal baffle on the rotating baffle sleeve extends over the pump seal assembly cartridge. A cooling cylinder containing circulating component cooling water is suspended within the rotating baffle sleeve and defines a flow passageway therein for cooling heated product water, before the product water contacts the shaft seal. A seal injector distributor ring uniformly distributes seal injection water to the seal. A thermal shield in the heat exchanger reduces thermal stresses in the heat exchanger. A slotted keyway spacer ring facilitates replacement and alignment of a hydrostatic bearing.

REFERENCES:
patent: 3109661 (1963-11-01), Swaim
patent: 3620639 (1971-11-01), Gaffal
patent: 4021136 (1977-05-01), Sabino
patent: 4109920 (1978-08-01), Wiese

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