Pumps – Motor driven – Electric or magnetic motor
Patent
1992-04-03
1993-11-02
Bertsch, Richard A.
Pumps
Motor driven
Electric or magnetic motor
417415, 417416, 417417, F04B 1704, F04B 3504
Patent
active
052579158
ABSTRACT:
This invention relates to linear motor compressors which operate without the use of oil. Such structures of this type, generally, provide a highly reliable oil-free compressor for use with cryogenic refrigeration equipment so as to attain unattended, continuous operation without maintenance over extended periods of time.
REFERENCES:
patent: 4799421 (1989-01-01), Bremer et al.
patent: 4886429 (1989-12-01), Osada et al.
patent: 4945269 (1990-07-01), Kamm
patent: 5011379 (1991-04-01), Hashimoto
Ackermann Robert A.
Laskaris Evangelos T.
Basichas Alfred
Bertsch Richard A.
General Electric Company
McDaniel James R.
Webb II Paul R.
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