US3263435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant separation and recovery system
Assignee: Carrier Corp
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Filing: 1963-09-26
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Granted: 1966-08-02
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Expires: 1983-09-26
Abstract
No abstract record available.
Inventors
- 👤 James W Endress
- 👤 Carl M Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:12
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/06; F04D29/063; F25; F25B; F25B1/00; F25B1/04; F25B1/053; F25B31/00; F25B31/002; F25B31/004; F25B43/00; F25B43/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
THE METHOD OF SEPARATING LUBRICANT FROM A LUBRICANT-REFRIGERANT MIXTURE FLOWING IN A REFRIGERATION MACHINE HAVING A COMPRESSOR COMMUNIICATING WITH AN EVAPORATOR AND A LUBRICATION SYSTEM COMPRISING: (A) IMPARTING A ROTARY MOTION TO THE FLUID FLOWING FROM THE EVAPORATOR TO THE COMPRESSOR SO AS TO DEPOSIT BY CENTRIFUGAL ACTION ANY LIQUID COMPONENT OF THE FLUID FLOWING TO THE COMPRESSOR; (B) COLLECTING THE DEPOSITED FLUID FOR FLOW TO A COLLECTION AREA; (C) APPLYING HEAT TO THE COLLECTED MIXTURE TO VAPORIZE THE REFRIGERANT CONSTITUENT; AND (D) UTILIZING A PORTION OF THE DISCHARGE GAS TO TRANSMIT THE RESIDUE TO THE SUMP OF THE MACHINE FOR INTRODUCTION IN TO THE LUBRICATION SYSTEM.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |