US3279204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for sequentially discontinuing passage of heating and cooling media in absorption refrigeration systems
Assignee: Carrier Corp
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Filing: 1965-06-07
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Granted: 1966-10-18
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Expires: 1985-06-07
Abstract
No abstract record available.
Inventors
- 👤 Everett P Palmatier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:27
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/04; F25B15/00; F25B15/02; F25B15/04; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02B; Y02B30/00; Y02B30/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN ABSORPTION REFRIGERATION SYSTEM COMPRISING: (A) A HIGH PRESSURE SIDE INCLUDING A GENERATOR AND A CONDENSER; (B) A LOW PRESSURE SIDE INCLUDING AN ABSORBER AND AN EAVAPORATOR; (C) A PUMP FOR PASSING WEAK ABSORBENT SOLUTION FROM THE LOW PRESSURE SIDE OF SAID SYSTEM TO THE HIGH PRESSURE SIDE OF SAID SYSTEM; (D) MEANS FOR PASSING A COOLING MEDIUM IN HEAT EXCHANGE RELATION WITH SAID CONDENSER; (E) A VALVE FOR CONTROLLING THE PASSAGE OF HEATING MEDIUM TO SAID GENERATOR; AND (F) A CONTROL CIRCUIT FOR CONTROLLING THE OPERATION OF SAID SYSTEM, SAID CONTROL CIRCUIT COMPRISING:
Claim 2
Dependent Claim
94 words
AN ABSORPTION REFRIGERATION SYSTEM COMPRISING: (A) A HIGH PRESSURE SIDE INCLUDING A GENERATOR AND A CONDENSER; (B) A LOW PRESSURE SIDE INCLUDING AN ABSORBER AND AN EAVAPORATOR; (C) A PUMP FOR PASSING WEAK ABSORBENT SOLUTION FROM THE LOW PRESSURE SIDE OF SAID SYSTEM TO THE HIGH PRESSURE SIDE OF SAID SYSTEM; (D) MEANS FOR PASSING A COOLING MEDIUM IN HEAT EXCHANGE RELATION WITH SAID CONDENSER; (E) A VALVE FOR CONTROLLING THE PASSAGE OF HEATING MEDIUM TO SAID GENERATOR; AND (F) A CONTROL CIRCUIT FOR CONTROLLING THE OPERATION OF SAID SYSTEM, SAID CONTROL CIRCUIT COMPRISING:
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |