Device for separating oil from an oil-air separator of an...

Details Device for separating oil from an oil-air separator of an... Device for separating oil from an oil-air separator of an...

2005-11-03

2009-02-10

Smith, Duane S (Department: 1797)

Gas separation: apparatus

With control means responsive to sensed condition for...

Regulation of separated constituent discharge

C055SDIG019, C055S385300, C055S423000, C096S411000, C137S107000, C184S006240

Reexamination Certificate

active

07488378

ABSTRACT:
Device for separating oil from the air-oil separator of an oil reservoir, which device comprises a line (3) for the air-oil separator which is connected to the above-mentioned oil reservoir (1) with one far end and in which is provided a suction pump (4) for sucking in air, and whereby the other far end of the above-mentioned line (3) is connected to a filter (7) which is provided in a chamber (8) which is connected to the above-mentioned oil reservoir (1) by means of a return line (9), and which chamber (8) is provided with an outlet (10) to the environment, characterised in that a non-return valve (12) is provided in a the above-mentioned return line (9) which lets an air flow pass from the oil reservoir (1) to the chamber (8), and which prevents an air flow in the opposite direction, and whereby this non-return valve is provided with a small flow-back opening (16) which allows the oil which has been separated in the chamber (8) by the filter (7) to flow back to the oil reservoir (1).

REFERENCES:
patent: 4878923 (1989-11-01), Muller
patent: 4886019 (1989-12-01), Davis et al.
patent: 5011388 (1991-04-01), Aoki et al.
patent: 5406976 (1995-04-01), Bekki
patent: 5681372 (1997-10-01), Magits
patent: 5718744 (1998-02-01), Ehlert
patent: 6723149 (2004-04-01), Ernst et al.
patent: 7059311 (2006-06-01), Prasad
patent: 0 719 910 (1996-07-01), None
patent: 719910 (1996-07-01), None

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