US3194026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-refrigeration system
Assignee: La Fleur Corp
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Filing: 1963-10-24
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Granted: 1965-07-13
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Expires: 1983-10-24
Abstract
No abstract record available.
Inventors
- 👤 Fleur James K La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:05
CPC Classifications
F; F25; F25B; F25B27/00; F02; F02C; F02C1/00; F02C1/04; F02C1/10; F25B9/00; F25B9/06; F25J; F25J1/00; F25J1/0002; F25J1/0005; F25J1/0007; F25J1/001; F25J1/0012; F25J1/0015; F25J1/0017; F25J1/002; F25J1/0022; F25J1/003; F25J1/0047; F25J1/005; F25J1/006; F25J1/0062; F25J1/0065; F25J1/0067; F25J1/0097; F25J1/02; F25J1/0243; F25J1/0279; F25J1/0281; F25J1/0285; F25J1/0287; F25J1/0288; F25B40/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A CLOSED CYCLE POWER-REFRIGERATION PROCESS IN WHICH A CRYOGENIC GAS IS THE WORKING MEDIUM IN BOTH A POWER CYCLE AND A REFRIGERATION CYCLE OF A SYSTEM, COMPRISING: ESTABLISHING A CLOSED SYSTEM AND, IN SAID SYSTEM, EFFECTING A POWER CYCLE BY CIRCULATING AND ACTING ON SAID GAS THRU THE FOLLOWING SERIATUM STEPS, COMPRESSION, GENERATION IN A FIRST REGENERATOR, HEATING, EXPANSION TO ACCOMPLISH WORK, DEGENERATION IN SUCH REGENERATOR, COOLING, AND AGAIN COMPRESSING TO COMPLETE SUCH POWER CYCLE, AND IN WHICH POWER CYCLE SUCH WORK IS USED FOR SUCH COMPRESSION; AND, IN SUCH SYSTEM, EFFECTING A REFRIGERATION CYCLE BY CIRCULATING AND ACTING ON SAID GAS THRU THE FOLLOWING SERIATUM STEPS, BLEEDING GAS FROM SAID POWER CYCLE IMMEDIATELY AFTER SAID COMPRESSION, COOLING, DEGENERATING IN A SECOND REGENERATOR, EXPANDING TO REDUCE THE TEMPERATURE OF SAID GAS, ADDING HEAT FROM A REFRIGERATION LOAD, GENERATING IN SUCH SECOND REGENERATOR, AND RETURNING SUCH BLED GAS TO SAID POWER CYCLE FOR COMPRESSION.
Claim 2
Dependent Claim
153 words
A CLOSED CYCLE POWER-REFRIGERATION PROCESS IN WHICH A CRYOGENIC GAS IS THE WORKING MEDIUM IN BOTH A POWER CYCLE AND A REFRIGERATION CYCLE OF A SYSTEM, COMPRISING: ESTABLISHING A CLOSED SYSTEM AND, IN SAID SYSTEM, EFFECTING A POWER CYCLE BY CIRCULATING AND ACTING ON SAID GAS THRU THE FOLLOWING SERIATUM STEPS, COMPRESSION, GENERATION IN A FIRST REGENERATOR, HEATING, EXPANSION TO ACCOMPLISH WORK, DEGENERATION IN SUCH REGENERATOR, COOLING, AND AGAIN COMPRESSING TO COMPLETE SUCH POWER CYCLE, AND IN WHICH POWER CYCLE SUCH WORK IS USED FOR SUCH COMPRESSION; AND, IN SUCH SYSTEM, EFFECTING A REFRIGERATION CYCLE BY CIRCULATING AND ACTING ON SAID GAS THRU THE FOLLOWING SERIATUM STEPS, BLEEDING GAS FROM SAID POWER CYCLE IMMEDIATELY AFTER SAID COMPRESSION, COOLING, DEGENERATING IN A SECOND REGENERATOR, EXPANDING TO REDUCE THE TEMPERATURE OF SAID GAS, ADDING HEAT FROM A REFRIGERATION LOAD, GENERATING IN SUCH SECOND REGENERATOR, AND RETURNING SUCH BLED GAS TO SAID POWER CYCLE FOR COMPRESSION.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |