US3178113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat storage system
Assignee: RTX Corp
•
Filing: 1962-05-15
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Granted: 1965-04-13
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Expires: 1982-05-15
Abstract
No abstract record available.
Inventors
- 👤 Curry Richard
- 👤 Russell A Thompson
- 👤 John E Stearn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:31
CPC Classifications
F; F03; F03G; F03G6/00; F03G6/06; F03G6/065; F03G6/067; F03G6/071; F24; F24S; F24S90/00; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A POWER CONVERSION SYSTEM INCLUDING A HEAT ENERGY COLLECTOR FOR HEATING A FLUID, A CIRCUIT FOR THE FLUID INCLUDING THE COLLECTOR, A HEAT STORAGE DEVICE DOWNSTREAM OF THE COLLECTOR IN THE CIRCUIT, A HEAT EXCHANGER DOWNSTREAM OF THE STORAGE DEVICE IN THE CIRCUIT FOR UTILIZING A PART OF THE HEAT FROM THE FLUID, A PUMP FOR RETURNING FLUID FROM THE HEAT EXCHANGER TO THE COLLECTOR, A BYPASS AROUND SAID STORAGE DEVICE AND A THERMOSTATIC VALVE IN SAID BYPASS RESPONSIVE TO THE TEMPERATURE OF THE FLUID IN THE CIRCUIT DOWNSTREAM OF THE HEAT STORAGE DEVICE TO CONTROL THE FLOW THROUGH SAID BYPASS FOR MAINTAINING A SUBSTANTIALLY CONSTANT INLET TEMPERATURE TO THE HEAT EXCHANGER.
Claim 2
Dependent Claim
112 words
A POWER CONVERSION SYSTEM INCLUDING A HEAT ENERGY COLLECTOR FOR HEATING A FLUID, A CIRCUIT FOR THE FLUID INCLUDING THE COLLECTOR, A HEAT STORAGE DEVICE DOWNSTREAM OF THE COLLECTOR IN THE CIRCUIT, A HEAT EXCHANGER DOWNSTREAM OF THE STORAGE DEVICE IN THE CIRCUIT FOR UTILIZING A PART OF THE HEAT FROM THE FLUID, A PUMP FOR RETURNING FLUID FROM THE HEAT EXCHANGER TO THE COLLECTOR, A BYPASS AROUND SAID STORAGE DEVICE AND A THERMOSTATIC VALVE IN SAID BYPASS RESPONSIVE TO THE TEMPERATURE OF THE FLUID IN THE CIRCUIT DOWNSTREAM OF THE HEAT STORAGE DEVICE TO CONTROL THE FLOW THROUGH SAID BYPASS FOR MAINTAINING A SUBSTANTIALLY CONSTANT INLET TEMPERATURE TO THE HEAT EXCHANGER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |