Centrifugal compressor

Details Centrifugal compressor Centrifugal compressor

1992-06-15

1994-03-29

Look, Edward K.

Rotary kinetic fluid motors or pumps

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

For shaft sealing, packing, lubricating or bearing means

4151701, 415115, F01D 1100

Patent

active

052979288

ABSTRACT:
A centrifugal compressor has a plurality of seals arranged at the back of an impeller for sealing the impeller outlet and form an annular space defined at the back of the impeller. The annular space is fed with a cold gas under a higher pressure than that of the air discharged at the impeller outlet. Thus, the back of the impeller is cooled down.

REFERENCES:
patent: 1910811 (1933-05-01), Peterson
patent: 1990519 (1935-02-01), Bigelow et al.
patent: 2013499 (1935-09-01), Meckenstock
patent: 2925290 (1960-02-01), Greenwald
patent: 3350059 (1967-10-01), Sproule
patent: 3650634 (1972-03-01), Osborne et al.
patent: 4236867 (1980-12-01), Morris
patent: 4286919 (1981-09-01), Yamaguchi
patent: 4882902 (1989-11-01), Reigel et al.

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