US3176913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary compressor arrangement
Assignee: Linde GmbH
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Filing: 1961-07-19
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Granted: 1965-04-06
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Expires: 1981-07-19
Abstract
No abstract record available.
Inventors
- 👤 Sorg Karl Wilhelm
- 👤 Hassler Albin
- 👤 Molls Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:23
CPC Classifications
F; F25; F25B; F25B43/00; F25B43/02; Y; Y10; Y10S; Y10S418/00; Y10S418/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A ROTARY COMPRESSOR ARRANGEMENT PARTICULARLY ADAPTED FOR PUMPING AND COMPRESSING A REFRIGERANT AND COMPRISING A HORIZONTALLY POSITIONED CYLINDRICAL RESERVOIR FOR CONTAINING LUBRICANT OIL, A TUBULAR SHELL MOUNTED IN THE LOWER HALF OF SAID RESERVOIR WITH ONE END THEREOF OPENING TO THE EXTERIOR OF SAID RESERVOIR, A COOLING UNIT MOUNTED IN SAID TUBULAR SHELL FOR COOLING SAID OIL, A MULTIPLE STAGE OIL SEPARATOR MOUNTED IN THE UPPER HALF OF SAID RESERVOIR, AN OPENING IN THE RESERVOIR RECEIVING THE UPPER OPEN END OF THE OIL SEPARTOR, A ROTARY COMPRESSOR HAVING INLET AND DISCHARGE OPENINGS, WITH SAID DISCHARGE OPENING CONNECTED TO THE OPEN END OF THE OIL SEPARATOR, THE LOWER END OF THE OIL SEPARATOR BEING IN OPEN COMMUNICATION WITH THE OIL RESERVOIR, A FIRST OIL LINE CONNECTED TO SAID LOWER HALF OF SAID RESERVOIR FOR COLLECTING OIL THEREFROM AND FEEDING IT TO SAID OIL COOLER, AND A SECOND OIL LINE CONNECTING SAID OIL COOLING UNIT AND SAID COMPRESSOR SO THAT COOLED OIL IS CONVEYED UNDER TH E DISCHARGE PRESSURE OF SAID COMPRESSOR TO SAID COMPRESSOR TO LUBRICATE AND COOL THE SAME.
Claim 2
Dependent Claim
179 words
A ROTARY COMPRESSOR ARRANGEMENT PARTICULARLY ADAPTED FOR PUMPING AND COMPRESSING A REFRIGERANT AND COMPRISING A HORIZONTALLY POSITIONED CYLINDRICAL RESERVOIR FOR CONTAINING LUBRICANT OIL, A TUBULAR SHELL MOUNTED IN THE LOWER HALF OF SAID RESERVOIR WITH ONE END THEREOF OPENING TO THE EXTERIOR OF SAID RESERVOIR, A COOLING UNIT MOUNTED IN SAID TUBULAR SHELL FOR COOLING SAID OIL, A MULTIPLE STAGE OIL SEPARATOR MOUNTED IN THE UPPER HALF OF SAID RESERVOIR, AN OPENING IN THE RESERVOIR RECEIVING THE UPPER OPEN END OF THE OIL SEPARTOR, A ROTARY COMPRESSOR HAVING INLET AND DISCHARGE OPENINGS, WITH SAID DISCHARGE OPENING CONNECTED TO THE OPEN END OF THE OIL SEPARATOR, THE LOWER END OF THE OIL SEPARATOR BEING IN OPEN COMMUNICATION WITH THE OIL RESERVOIR, A FIRST OIL LINE CONNECTED TO SAID LOWER HALF OF SAID RESERVOIR FOR COLLECTING OIL THEREFROM AND FEEDING IT TO SAID OIL COOLER, AND A SECOND OIL LINE CONNECTING SAID OIL COOLING UNIT AND SAID COMPRESSOR SO THAT COOLED OIL IS CONVEYED UNDER TH E DISCHARGE PRESSURE OF SAID COMPRESSOR TO SAID COMPRESSOR TO LUBRICATE AND COOL THE SAME.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |