US3093976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration system including receiver
Assignee: Individual
•
Filing: 1962-04-20
•
Granted: 1963-06-18
•
Expires: 1982-04-20
Abstract
No abstract record available.
Inventors
- 👤 Carl O Walcutt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:35
CPC Classifications
F; F24; F24F; F24F5/00; F24F5/0007; F24F5/001; F25; F25B; F25B41/00; F25B41/20; F25B49/00; F25B49/02; F25B49/027; F25B2400/00; F25B2400/16; Y; Y10; Y10S; Y10S62/00; Y10S62/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A REFRIGERATION SYSTEM COMPRISING A COMPRESSOR, A CONDENSER CONNECTED TO THE HOT GAS DISCHARGE SIDE OF THE COMPRESSOR, A LIQUID RECEIVER CONNECTED TO THE CONDENSER, SAID LIQUID RECEIVER BEING LOCATED AT A LEVEL HIGHER THAN THE CONDENSER SO AS TO FILL THE CONDENSER WITH LIQUID THEREFROM BY GRAVITY WHEN THE COMPRESSOR IS NOT RUNNING, AN EVAPORATOR CONNECTED BY A LINE TO THE INLET SIDE OF THE COMPRESSOR, A BY-PASS LINE CONNECTED BETWEEN THE HOT GAS DISCHARGE SIDE OF THE COMPRESSOR AND THE RECEIVER HAVING A NORMALLY OPEN CONTROL VALVE TO PERMIT HOT GAS TO BY-PASS THE CONDENSER, SAID BY-PASS LINE HAVING AN EQUALIZER TUBE CONNECTED THERETO FOR BY-PASSING SAID CONTROL VALVE.
Claim 2
Dependent Claim
111 words
A REFRIGERATION SYSTEM COMPRISING A COMPRESSOR, A CONDENSER CONNECTED TO THE HOT GAS DISCHARGE SIDE OF THE COMPRESSOR, A LIQUID RECEIVER CONNECTED TO THE CONDENSER, SAID LIQUID RECEIVER BEING LOCATED AT A LEVEL HIGHER THAN THE CONDENSER SO AS TO FILL THE CONDENSER WITH LIQUID THEREFROM BY GRAVITY WHEN THE COMPRESSOR IS NOT RUNNING, AN EVAPORATOR CONNECTED BY A LINE TO THE INLET SIDE OF THE COMPRESSOR, A BY-PASS LINE CONNECTED BETWEEN THE HOT GAS DISCHARGE SIDE OF THE COMPRESSOR AND THE RECEIVER HAVING A NORMALLY OPEN CONTROL VALVE TO PERMIT HOT GAS TO BY-PASS THE CONDENSER, SAID BY-PASS LINE HAVING AN EQUALIZER TUBE CONNECTED THERETO FOR BY-PASSING SAID CONTROL VALVE.
References Cited (Backward Citations)
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US2713249A
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US2912831A
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US2934911A
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US2986899A
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US2954681A
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US3031859A
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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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |