Oil level sight glass for a compressor

Details Oil level sight glass for a compressor Oil level sight glass for a compressor

1998-07-13

2000-07-04

Freay, Charles G.

Pumps

With signal, indicator, or inspection means

62126, 417 53, F04B 4900, F25B 4900

Patent

active

060829729

ABSTRACT:
The present invention relates to an oil level sight glass for a compressor. The oil level sight glass is at an angle relative to a longitudinal housing axis, such that it can be rotated to achieve an improved position for seeing the sight glass. The sight glass housing further includes an oil return valve which permits return of oil into the oil sump through the sight glass housing.

REFERENCES:
patent: 1210385 (1916-12-01), Hunziker
patent: 1250664 (1917-12-01), Ronk
patent: 2681034 (1954-06-01), Mannion
patent: 2706463 (1955-04-01), Bunn
patent: 2744487 (1956-05-01), Moore et al.
patent: 3722537 (1973-03-01), Gregerson et al.
patent: 4842492 (1989-06-01), Gannaway
patent: 4889471 (1989-12-01), Izunaga et al.
patent: 5765994 (1998-06-01), Barbier
patent: 5852937 (1998-12-01), Westermeyer et al.

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