US3126715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Defrosting of refrigeration systems
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:08
CPC Classifications
F; F25; F25B; F25B47/00; F25B47/02; F25B47/022; F25B41/00; F25B41/20; F25B41/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A REFRIGERATING SYSTEM COMPRISING, A COMPRESSOR, A CONDENSER, CONDUIT MEANS FOR CONDUCTING REFRIGERANT GAS UNDER COMPRESSION FROM SAID COMPRESSOR TO SAID CONDENSER, AN EVAPORATOR HAVING AN INLET END AND AN OUTLET END PROVIDED WITH A COAXIAL TUBULAR VALVE BODY, CONDUIT MEANS FOR DELIVERING LIQUID REFRIGERANT FROM SAID CONDENSER TO THE INLET END OF SAID EVAPORATOR, AN EXPANSION DEVICE IN SAID CONDUIT, OTHER CONDUIT MEANS FROM SAID TUBULAR VALVE BODY TO SAID COMPRESSOR, A RECIPROCABLE DISK-SHAPED VALVE HOUSED WITHIN SAID VALVE BODY AND PERIPHERALLY SPACED THEREFROM FOR CONTROLLING FLOW OF REFRIGERANT THROUGH SAID EVAPORATOR, RESILIENT MEANS ACTING ON ONE FACE OF SAID VALVE IN OPPOSITION TO THE NORMAL FLOW OF REFRIGERANT THROUGH SAID EVAPORATOR FOR NORMALLY MAINTAINING SAID VALVE IN OPEN CONDITION FOR THE RE-
Claim 2
Dependent Claim
124 words
A REFRIGERATING SYSTEM COMPRISING, A COMPRESSOR, A CONDENSER, CONDUIT MEANS FOR CONDUCTING REFRIGERANT GAS UNDER COMPRESSION FROM SAID COMPRESSOR TO SAID CONDENSER, AN EVAPORATOR HAVING AN INLET END AND AN OUTLET END PROVIDED WITH A COAXIAL TUBULAR VALVE BODY, CONDUIT MEANS FOR DELIVERING LIQUID REFRIGERANT FROM SAID CONDENSER TO THE INLET END OF SAID EVAPORATOR, AN EXPANSION DEVICE IN SAID CONDUIT, OTHER CONDUIT MEANS FROM SAID TUBULAR VALVE BODY TO SAID COMPRESSOR, A RECIPROCABLE DISK-SHAPED VALVE HOUSED WITHIN SAID VALVE BODY AND PERIPHERALLY SPACED THEREFROM FOR CONTROLLING FLOW OF REFRIGERANT THROUGH SAID EVAPORATOR, RESILIENT MEANS ACTING ON ONE FACE OF SAID VALVE IN OPPOSITION TO THE NORMAL FLOW OF REFRIGERANT THROUGH SAID EVAPORATOR FOR NORMALLY MAINTAINING SAID VALVE IN OPEN CONDITION FOR THE RE-
References Cited (Backward Citations)
US2451385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |