US3311292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comprbssoe lubrication during reverse rotation
Assignee: —
•
Filing: —
•
Granted: 1967-03-28
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Expires: 1984-03-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:42
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/541; F04D29/542; F04C; F04C23/00; F04C23/008; F04C29/00; F04C29/02; F04C29/023; F04C29/025; F04C29/028; Y; Y10; Y10S; Y10S417/00; Y10S417/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
IN A ROTARY COMPRESSOR HAVING A LUBRICATING OIL SUPPLY AND MEANS REQUIRING LUBRICATION, APPARATUS FOR PROVIDING OIL FROM THE SUPPLY TO SAID MEANS, COMPRISING: WALL MEANS DEFINING A PUMP CHAMBER HAVING FIRST AND SECOND CONTIGUOUS PORTIONS, SAID WALL MEANS DEFINING IN SAID FIRST CHAMBER PORTION AN ANNULAR CHANNEL OPENING TOWARD SAID SECOND CHAMBER PORTION, SAID CHANNEL HAVING A FIRST PORTION AND AN INLET FROM SAID SUPPLY OPENING TO SAID CHANNEL AT A SECOND PORTION DIAMETRICALLY OPPOSITE SAID FIRST CHANNEL PORTION; MEANS DEFINING AN OUTLET TO SAID LUBRICATION REQUIRING MEANS COMMUNICATING WITH SAID CHANNEL RADIALLY INWARDLY OF SAID FIRST CHANNEL PORTION; FLUID IMPELLER MEANS IN SAID SECOND CHAMBER PORTION; MEANS FOR ROTATING SAID IMPELLER MEANS ABOUT A FIXED AXIS IN EITHER OF OPPOSITE DIRECTIONS OF ROTATION FOR CAUSING OIL ENTERING SAID CHANNEL THROUGH SAID INLET OPENING TO FILL SAID CHAMBER AND MOVE IN EITHER ANNULAR DIRECTION THROUGH SAID CHANNEL TO SAID FIRST CHANNEL PORTION; AND DEFLECTION MEANS IN SAID FIRST CHANNEL PORTION FOR DIRECTING LUBRICATING OIL RADIALLY INWARDLY TO SAID OUTLET AS AN INCIDENT OF FLOW THEREOF IN EITHER ANNULAR DIRECTION FROM SAID INLET TO SAID FIRST CHANNEL PORTION.
Claim 2
Dependent Claim
188 words
IN A ROTARY COMPRESSOR HAVING A LUBRICATING OIL SUPPLY AND MEANS REQUIRING LUBRICATION, APPARATUS FOR PROVIDING OIL FROM THE SUPPLY TO SAID MEANS, COMPRISING: WALL MEANS DEFINING A PUMP CHAMBER HAVING FIRST AND SECOND CONTIGUOUS PORTIONS, SAID WALL MEANS DEFINING IN SAID FIRST CHAMBER PORTION AN ANNULAR CHANNEL OPENING TOWARD SAID SECOND CHAMBER PORTION, SAID CHANNEL HAVING A FIRST PORTION AND AN INLET FROM SAID SUPPLY OPENING TO SAID CHANNEL AT A SECOND PORTION DIAMETRICALLY OPPOSITE SAID FIRST CHANNEL PORTION; MEANS DEFINING AN OUTLET TO SAID LUBRICATION REQUIRING MEANS COMMUNICATING WITH SAID CHANNEL RADIALLY INWARDLY OF SAID FIRST CHANNEL PORTION; FLUID IMPELLER MEANS IN SAID SECOND CHAMBER PORTION; MEANS FOR ROTATING SAID IMPELLER MEANS ABOUT A FIXED AXIS IN EITHER OF OPPOSITE DIRECTIONS OF ROTATION FOR CAUSING OIL ENTERING SAID CHANNEL THROUGH SAID INLET OPENING TO FILL SAID CHAMBER AND MOVE IN EITHER ANNULAR DIRECTION THROUGH SAID CHANNEL TO SAID FIRST CHANNEL PORTION; AND DEFLECTION MEANS IN SAID FIRST CHANNEL PORTION FOR DIRECTING LUBRICATING OIL RADIALLY INWARDLY TO SAID OUTLET AS AN INCIDENT OF FLOW THEREOF IN EITHER ANNULAR DIRECTION FROM SAID INLET TO SAID FIRST CHANNEL PORTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |