US3262277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low temperature thermal regenerator
Assignee: General Electric Co
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Filing: 1965-02-02
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Granted: 1966-07-26
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Expires: 1985-02-02
Abstract
No abstract record available.
Inventors
- 👤 Loyd B Nesbitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:05
CPC Classifications
F; F25; F25J; F25J5/00; F25J5/002; F25B; F25B2309/00; F25B2309/003; F25J2205/00; F25J2205/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD FOR PROVIDING LOW TEMPERATURE OPERATION OF A REGENERATOR IN A REVERSISNG REFRIGERATION CYCLE WHICH INCLUDES AN EXPANDER AND A COMPRESSOR COMPRISING THE STEPS OF SORBING HELIUM GAS ON THE REGENERATOR MATERIAL TO SIGNIFICANTLY INCREASE ITS HEAT RETENTION CHARACTERISTICS, FLOWING HELIUM GAS FROM THE COMPRESSOR THROUGH THE REGENERATOR TO IMPART THE HEAT OF THE HELIUM GAS TO THE REGENERATOR, AND FLOWING HELIUM GAS BACK FROM THE EXPANDER THROUGH THE REGENERATOR TO IMPART THE HEAT RETAINED BY THE SORBED HELIUM GAS TO THE FLOWING HELIUM GAS AS REQUIRED FOR PROPER OPERATION OF THE REFRIGERATION CYCLE.
Claim 2
Independent Claim
95 words
A METHOD FOR PROVIDING LOW TEMPERATURE OPERATION OF A REGENERATOR IN A REVERSISNG REFRIGERATION CYCLE WHICH INCLUDES AN EXPANDER AND A COMPRESSOR COMPRISING THE STEPS OF SORBING HELIUM GAS ON THE REGENERATOR MATERIAL TO SIGNIFICANTLY INCREASE ITS HEAT RETENTION CHARACTERISTICS, FLOWING HELIUM GAS FROM THE COMPRESSOR THROUGH THE REGENERATOR TO IMPART THE HEAT OF THE HELIUM GAS TO THE REGENERATOR, AND FLOWING HELIUM GAS BACK FROM THE EXPANDER THROUGH THE REGENERATOR TO IMPART THE HEAT RETAINED BY THE SORBED HELIUM GAS TO THE FLOWING HELIUM GAS AS REQUIRED FOR PROPER OPERATION OF THE REFRIGERATION CYCLE.
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |