Patent US3258198A successfully refreshed from Google Patents.
US3258198A
Expired / Lapsed
US
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Rotary compressor
Assignee: Borg Warner Corp
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Filing: 1964-06-04
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Granted: 1966-06-28
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Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Lester E Harlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:18
CPC Classifications
F; F04; F04C; F04C29/00; F04C29/02; F04C29/026; Y; Y10; Y10S; Y10S418/00; Y10S418/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN REFRIGERATION APPARATUS OF THE CHARACTER DESCRIBED, AN OIL LUBRICATED COMPRESSOR HAVING SUCTION AND DISCHARGE PORTS; A GAS CHAMBER COMMUNICATING WITH SAID DISCHARGE PORT AND HAVING AN OUTLET, SAID GAS CHAMBER HAVING A GENERALLY L-SHAPED CONFIGURATION INCLUDING A VERTICAL LEG PORTION AND A HORIZONTAL LEG PORTION; A FIRST BODY OF POROUS MATERIAL POSITIONED SO THAT IT EXTENDS GENERALLY TRANSVERSELY ACROSS SAID VERTICAL LEG PORTION; A SECOND BODY OF POROUS MATERIAL POSITIONED SO THAT IT EXTENDS GENERALLY TRANSVERSELY ACROSS SAID HORIZONTAL LEG PORTION; AND MEANS FOR CHANGING THE DIECTION OF GAS FLOW THROUGH SAID CHAMBER TO INDUCE THE SEPARATION OF OIL FROM SAID GAS STREAM, SAID FIRST AND SECOND BODIES EFFECTING A TWO-STAGE COALESCING OF SAID OIL.
Claim 2
Dependent Claim
116 words
IN REFRIGERATION APPARATUS OF THE CHARACTER DESCRIBED, AN OIL LUBRICATED COMPRESSOR HAVING SUCTION AND DISCHARGE PORTS; A GAS CHAMBER COMMUNICATING WITH SAID DISCHARGE PORT AND HAVING AN OUTLET, SAID GAS CHAMBER HAVING A GENERALLY L-SHAPED CONFIGURATION INCLUDING A VERTICAL LEG PORTION AND A HORIZONTAL LEG PORTION; A FIRST BODY OF POROUS MATERIAL POSITIONED SO THAT IT EXTENDS GENERALLY TRANSVERSELY ACROSS SAID VERTICAL LEG PORTION; A SECOND BODY OF POROUS MATERIAL POSITIONED SO THAT IT EXTENDS GENERALLY TRANSVERSELY ACROSS SAID HORIZONTAL LEG PORTION; AND MEANS FOR CHANGING THE DIECTION OF GAS FLOW THROUGH SAID CHAMBER TO INDUCE THE SEPARATION OF OIL FROM SAID GAS STREAM, SAID FIRST AND SECOND BODIES EFFECTING A TWO-STAGE COALESCING OF SAID OIL.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |