US3110164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat pumps
Assignee: Hupp Corp
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Filing: 1961-09-28
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Granted: 1963-11-12
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Expires: 1981-09-28
Abstract
No abstract record available.
Inventors
- 👤 George A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:30
CPC Classifications
F; F25; F25B; F25B13/00; F25B45/00; F25B2313/00; F25B2313/027; F25B2313/02732
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A HEAT PUMP COMPRISING: AN INDOOR COIL; AN OUTDOOR COIL; A COMPRESOR; CONDUIT MEANS INCLUDING GAS LINES AND LIQUID LINES PROVIDING A CLOSED REFRIGERANT CIRCUIT CONNECTING SAID COMPRESSOR AND SAID COILS; CHANGEOVER VALVE MECHANISM IN SAID CIRCUIT FOR SELECTIVELY CONNECTING THE DISCHARGE SIDE OF SAID COMPRESSOR TO SAID INDOOR COIL ON THE HEATING CYCLE OR TO SAID OUTDOOR COIL ON THE COOLING CYCLE WHILE CONNECTING THE SUCTION SIDE OF SAID COMPRESSOR TO THE OTHER COIL; SAID GAS LINES INCLUDING A SECTION CONNECTED TO THE DISCHARGE SIDE OF SAID COMPRESSOR ON THE COOLING CYCLE AND TO THE SUCTION SIDE OF SAID COMPRESSOR DURING THE HEATING CYCLE; A TANK ENCLOSING SAID SECTION OF SAID GAS LINES, AND SAID TANK FORMING A PORTION OF SAID LIQUID LINES SAID LIQUID THEREBY FLOWING THROUGH SAID TANK IN HEAT EXCHANGE RELATION WITH SAID SECTION OF SAID GAS LINES WHEREBY THE PORTION OF SAID REFRIGERANT IN THE LIQUID PHASE IN SAID TANK IS CONTROLLED BY THE TEMPERATURE OF THE GAS PASSING THROUGH SAID SECTION OF SAID GAS LINES.
Claim 2
Dependent Claim
171 words
A HEAT PUMP COMPRISING: AN INDOOR COIL; AN OUTDOOR COIL; A COMPRESOR; CONDUIT MEANS INCLUDING GAS LINES AND LIQUID LINES PROVIDING A CLOSED REFRIGERANT CIRCUIT CONNECTING SAID COMPRESSOR AND SAID COILS; CHANGEOVER VALVE MECHANISM IN SAID CIRCUIT FOR SELECTIVELY CONNECTING THE DISCHARGE SIDE OF SAID COMPRESSOR TO SAID INDOOR COIL ON THE HEATING CYCLE OR TO SAID OUTDOOR COIL ON THE COOLING CYCLE WHILE CONNECTING THE SUCTION SIDE OF SAID COMPRESSOR TO THE OTHER COIL; SAID GAS LINES INCLUDING A SECTION CONNECTED TO THE DISCHARGE SIDE OF SAID COMPRESSOR ON THE COOLING CYCLE AND TO THE SUCTION SIDE OF SAID COMPRESSOR DURING THE HEATING CYCLE; A TANK ENCLOSING SAID SECTION OF SAID GAS LINES, AND SAID TANK FORMING A PORTION OF SAID LIQUID LINES SAID LIQUID THEREBY FLOWING THROUGH SAID TANK IN HEAT EXCHANGE RELATION WITH SAID SECTION OF SAID GAS LINES WHEREBY THE PORTION OF SAID REFRIGERANT IN THE LIQUID PHASE IN SAID TANK IS CONTROLLED BY THE TEMPERATURE OF THE GAS PASSING THROUGH SAID SECTION OF SAID GAS LINES.
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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |