US3261174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control means including an accumulator for refrigeration apparatus
Assignee: Trane Co
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Filing: 1964-06-08
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Granted: 1966-07-19
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Expires: 1984-06-08
Abstract
No abstract record available.
Inventors
- 👤 Robert G Miner
- 👤 Carl M Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:09
CPC Classifications
F; F25; F25B; F25B45/00; F25B2400/00; F25B2400/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
REFRIGERATION APPARATUS FOR CONDITIONING A SPACE COMPRISING A REFRIGERANT EVAPORATOR DISPOSED IN HEAT EXCHANGE RELATION WITH SAID CONDITIONED SPACE; A REFRIGERANT COMPRESSOR; AN AIR COOLED REFRIGERANT CONDENSER; REFRIGERANT THROTTLING MEANS; REFRIGERANT CIRCUIT MEANS SERIALLY CONNECTING SAID EVAPORATOR, COMPRESSOR, CONDENSER AND THROTTLING MEANS IN A CLOSED REFRIGERANT CIRCUIT; A LIQUID REFRIGERANT ACCUMULATOR DISPOSED IN HEAT EXCHANGE RELATION WITH SAID CONDITIONED SPACE; CONDUIT MEANS CONNECTING SAID ACCUMULATOR TO SAID REFRIGERANT CIRCUIT AT A POINT DOWNSTREAM OF SAID CONDENSER AND UPSTREAM OF SAID THROTTLING MEANS; AND A CHECK VALVE DISPOSED IN SAID REFRIGERANT CIRCUIT BETWEEN SAID POINT AND SAID CONDENSER.
Claim 2
Dependent Claim
97 words
REFRIGERATION APPARATUS FOR CONDITIONING A SPACE COMPRISING A REFRIGERANT EVAPORATOR DISPOSED IN HEAT EXCHANGE RELATION WITH SAID CONDITIONED SPACE; A REFRIGERANT COMPRESSOR; AN AIR COOLED REFRIGERANT CONDENSER; REFRIGERANT THROTTLING MEANS; REFRIGERANT CIRCUIT MEANS SERIALLY CONNECTING SAID EVAPORATOR, COMPRESSOR, CONDENSER AND THROTTLING MEANS IN A CLOSED REFRIGERANT CIRCUIT; A LIQUID REFRIGERANT ACCUMULATOR DISPOSED IN HEAT EXCHANGE RELATION WITH SAID CONDITIONED SPACE; CONDUIT MEANS CONNECTING SAID ACCUMULATOR TO SAID REFRIGERANT CIRCUIT AT A POINT DOWNSTREAM OF SAID CONDENSER AND UPSTREAM OF SAID THROTTLING MEANS; AND A CHECK VALVE DISPOSED IN SAID REFRIGERANT CIRCUIT BETWEEN SAID POINT AND SAID CONDENSER.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |