Patent US3293874A successfully refreshed from Google Patents.
US3293874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning system with reheating means
Assignee: Carrier Corp
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Filing: 1965-09-29
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Granted: 1966-12-27
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Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Karl M Gerteis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:10
CPC Classifications
F; F25; F25B; F25B13/00; F24; F24F; F24F11/00; F24F11/30; F24F11/70; F24F11/80; F24F11/83; F24F11/84; F24F3/00; F24F3/12; F24F3/14; F24F3/153; F25B2313/00; F25B2313/023; F25B2313/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN A CONDITIONING APPARATUS, THE COMBINATION OF A COMPRESSOR, A CONDENSER, EXPANSION MEANS, AND AN EVAPORATOR ARRANGED IN A CLOSED REFRIGERATION SYSTEM; FAN MEANS FOR BRINGING AIR TO BE CONDITIONED INTO HEAT EXCHANGE RELATION WITH SAID EVAPORATOR FOR DISCHARGE INTO THE SPACE BEING CONDITIONED WHEREBY UPON ACTUATION OF SAID COMPRESSOR SAID APPARATUS COOLS SAID AIR; SAID CONDENSER COMPRISING FIRST AND SECOND SERIALLY CONNECTED HEAT EXCHANGE COIL PARTS; SAID EVAPORATOR COMPRISING FIRST AND SECOND HEAT EXCHANGE COIL PARTS ARRANGED TO PROVIDE PARALLEL REFRIGERANT FLOW PATHS; VALVE MEANS ADAPTED WHEN ACTUATED TO CONNECT SAID CONDENSER FIRST COIL PART IN SERIES WITH SAID EVAPORATOR FIRST COIL PART AND SAID CONDENSER SECOND COIL PART WITH THE SUCTION SIDE OF SAID COMPRES SOR WHEREBY SAID EVAPORATOR FIRST COIL PART FUNCTIONS AS A CONDENSER AND SAID APPARATUS COOLS AND HEATS SAID AIR, AND CONTROL MEANS FOR SAID APPARATUS INCLUDING MEANS RESPONSIVE TO A PREDETERMINED HUMIDITY CONDITION IN SAID SPACE TO ACTUATE SAID VALVE MEANS.
Claim 2
Dependent Claim
158 words
IN A CONDITIONING APPARATUS, THE COMBINATION OF A COMPRESSOR, A CONDENSER, EXPANSION MEANS, AND AN EVAPORATOR ARRANGED IN A CLOSED REFRIGERATION SYSTEM; FAN MEANS FOR BRINGING AIR TO BE CONDITIONED INTO HEAT EXCHANGE RELATION WITH SAID EVAPORATOR FOR DISCHARGE INTO THE SPACE BEING CONDITIONED WHEREBY UPON ACTUATION OF SAID COMPRESSOR SAID APPARATUS COOLS SAID AIR; SAID CONDENSER COMPRISING FIRST AND SECOND SERIALLY CONNECTED HEAT EXCHANGE COIL PARTS; SAID EVAPORATOR COMPRISING FIRST AND SECOND HEAT EXCHANGE COIL PARTS ARRANGED TO PROVIDE PARALLEL REFRIGERANT FLOW PATHS; VALVE MEANS ADAPTED WHEN ACTUATED TO CONNECT SAID CONDENSER FIRST COIL PART IN SERIES WITH SAID EVAPORATOR FIRST COIL PART AND SAID CONDENSER SECOND COIL PART WITH THE SUCTION SIDE OF SAID COMPRES SOR WHEREBY SAID EVAPORATOR FIRST COIL PART FUNCTIONS AS A CONDENSER AND SAID APPARATUS COOLS AND HEATS SAID AIR, AND CONTROL MEANS FOR SAID APPARATUS INCLUDING MEANS RESPONSIVE TO A PREDETERMINED HUMIDITY CONDITION IN SAID SPACE TO ACTUATE SAID VALVE MEANS.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |