Foreign particle trap for a compressor

Details Foreign particle trap for a compressor Foreign particle trap for a compressor

1988-09-16

1990-03-13

Smith, Leonard E.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

417902, 184 624, F04B 3902, F04B 3916

Patent

active

049079514

ABSTRACT:
A pick-up tube for removing foreign particles from the lubricant supplied to hermetic motor-compressors of the type including an outer housing, a lubricant sump in the bottom of the housing, and a rotatable shaft vertically disposed in said housing is provided. The pick-up tube includes an annular groove disposed circumferentially around the pick-up tube, wherein foreign particles found in the lubricant are deposited in the groove as the particles move up the pick-up tube as a result of the centrifugal force created by the rotating of the shaft.

REFERENCES:
patent: 1895027 (1933-01-01), DeMees
patent: 1986539 (1935-01-01), Schmidt
patent: 3049285 (1962-08-01), Doeg
patent: 3560116 (1971-02-01), Valbjorn et al.
patent: 3674382 (1972-07-01), Kubota et al.
patent: 3692435 (1972-09-01), Iida et al.
patent: 3830341 (1974-08-01), Davies et al.
patent: 3926281 (1975-12-01), Hannibal
patent: 3947530 (1976-03-01), Marder
patent: 4153392 (1979-05-01), Elson
patent: 4406594 (1983-09-01), Smaby et al.
patent: 4850819 (1989-07-01), Bush et al.

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