Patent US3178104A successfully refreshed from Google Patents.
US3178104A
Expired / Lapsed
US
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Bearing lubrication system for compressor apparatus
Assignee: Gardner Denver Inc
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Filing: 1962-08-20
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Granted: 1965-04-13
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Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Raymond F Williams
- 👤 Sylvester L Anerino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:10
CPC Classifications
F; F04; F04C; F04C29/00; F04C29/02; F04C18/00; F04C18/08; F04C18/12; F04C18/14; F04C18/16; F04C2240/00; F04C2240/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A GAS COMPRESSOR APPARATUS: HOUSING MEANS HAVING GAS INLET AND DISCHARGE OPENINGS; ROTATABLE OPERATING MEANS DISPOSED IN SAID HOUSING MEANS AND COOPERABLE THEREWITH TO PROVIDE A PLURALITY OF CELLS WHEREIN THE GAS PRESSURE DEVELOPED IN INDIVIDUAL CELLS IS PROGRESSIVELY INCREASED FROM INLET PRESSURE TO DISCHARGE PRESSURE IN RESPONSE TO ROTATION OF SAID OPERATING MEANS; AT LEAST ONE BEARING CHAMBER DEFINED BY SAID HOUSING MEANS; BEARING MEANS DISPOSED IN SAID BEARING CHAMBER AND ROTATIVELY JOURNALING SAID OPERATING MEANS; FIRST PASSAGE MEANS IN SAID HOUSING MEANS COMMUNICATING LUBRICATING MEDIUM TO SAID BEARING CHAMBER; SECOND PASSAGE MEANS BETWEEN SAID OPERATING MEANS AND SAID HOUSING MEANS COMMUNICATING GAS FROM A PLURALITY OF SAID CELLS TO SAID BEARING CHAMBER THEREBY TO PRODUCE A RESULTANT GAS PRESSURE IN THE LATTER; AND THIRD PASSAGE MEANS IN SAID HOUSING MEANS COMMUNICATING LUBRICATING MEDIUM AND GAS ENTRAINED THEREWITH FROM SAID BEARING CHAMBER TO A SELECTED CELL WHEREIN DEVELOPED GAS PRESSURE IS LESS THAN SAID RESULTANT GAS PRESSURE.
Claim 2
Dependent Claim
159 words
IN A GAS COMPRESSOR APPARATUS: HOUSING MEANS HAVING GAS INLET AND DISCHARGE OPENINGS; ROTATABLE OPERATING MEANS DISPOSED IN SAID HOUSING MEANS AND COOPERABLE THEREWITH TO PROVIDE A PLURALITY OF CELLS WHEREIN THE GAS PRESSURE DEVELOPED IN INDIVIDUAL CELLS IS PROGRESSIVELY INCREASED FROM INLET PRESSURE TO DISCHARGE PRESSURE IN RESPONSE TO ROTATION OF SAID OPERATING MEANS; AT LEAST ONE BEARING CHAMBER DEFINED BY SAID HOUSING MEANS; BEARING MEANS DISPOSED IN SAID BEARING CHAMBER AND ROTATIVELY JOURNALING SAID OPERATING MEANS; FIRST PASSAGE MEANS IN SAID HOUSING MEANS COMMUNICATING LUBRICATING MEDIUM TO SAID BEARING CHAMBER; SECOND PASSAGE MEANS BETWEEN SAID OPERATING MEANS AND SAID HOUSING MEANS COMMUNICATING GAS FROM A PLURALITY OF SAID CELLS TO SAID BEARING CHAMBER THEREBY TO PRODUCE A RESULTANT GAS PRESSURE IN THE LATTER; AND THIRD PASSAGE MEANS IN SAID HOUSING MEANS COMMUNICATING LUBRICATING MEDIUM AND GAS ENTRAINED THEREWITH FROM SAID BEARING CHAMBER TO A SELECTED CELL WHEREIN DEVELOPED GAS PRESSURE IS LESS THAN SAID RESULTANT GAS PRESSURE.
References Cited (Backward Citations)
US1409868A
Cited
US3063378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |