Method for cooling the shaft of a gear pump rotor, a gear pump r

Details Method for cooling the shaft of a gear pump rotor, a gear pump r Method for cooling the shaft of a gear pump rotor, a gear pump r

1995-02-17

1995-11-21

Freay, Charles

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

Non-working fluid passage in inner working or reacting member

418 1, 418206, F01C 2106

Patent

active

054681316

ABSTRACT:
A gear pump rotor assembly is disclosed. In order to prevent that the gear toothing is cooled in an unreliable manner, radial heat flow is reduced in the toothing area of the shaft, preferably by means of an insulation air chamber or other insulated section, with respect to the heat flow in other shaft areas to be cooled.

REFERENCES:
patent: 4073607 (1978-02-01), Webb et al.
patent: 4850827 (1989-07-01), Eiermann
patent: 5292237 (1994-03-01), Orimo et al.

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