Speed increasing gear for a centrifugal compressor

Details Speed increasing gear for a centrifugal compressor Speed increasing gear for a centrifugal compressor

1985-08-26

1987-08-18

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Including shaft transmission train, brake, clutch, or...

415171, 384626, 384538, F01D 1512

Patent

active

046874119

ABSTRACT:
A centrifugal compressor has a speed increasing gear located between an impeller and a prime mover and driven by the prime mover to increase the impeller speed. The speed increasing gear includes an impeller shaft provided with a pinion and having the impeller attached to the foremost end portion thereof, a casing body having a divided face perpendicular to the shaft, and a bearing unit arranged at the rear end portion of the impeller shaft. The bearing unit has a thrust collar attached to the rear end of the impeller shaft, an inner thrust bearing formed adjacent to the inner side of the thrust collar, an outer thrust bearing formed adjacent to the outer side of the thrust collar, a radial bearing formed integral to the inner thrust bearing, a housing body combined with the radial bearing, enclosing the thrust collar, a housing cover combined with the housing body to hold the outer thrust bearing from outside, and a spacer sandwiched between the outer thrust bearing and the housing cover to adjust the clearance between the inner and outer thrust bearings, wherein said bearing unit is freely detachably attached to the casing body from a direction opposite to the prime mover.

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patent: 4507926 (1985-04-01), Teckentrup et al.
patent: 4533294 (1985-08-01), Onal

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