US3138941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controls for refrigeration systems having air cooled condensers
Assignee: Westinghouse Electric Corp
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Filing: 1963-06-05
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Granted: 1964-06-30
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Expires: 1983-06-05
Abstract
No abstract record available.
Inventors
- 👤 Erik H Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:17
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/027; F25B2700/00; F25B2700/21; F25B2700/2106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
IN A REFRIGERATION SYSTEM HAVING A REFRIGERANT COMPRESSOR, A CONDENSOR COMPARTMENT, A PARTITION EXTENDING ACROSS THE INTERIOR OF SAID COMPARTMENT, AN AIR-COOLED CONDENSER COIL WITHIN SAID COMPARTMENT AND EXTENDING THROUGH SAID PARTITION AND CONNECTED TO THE DISCHARGE SIDE OF SAID COMPRESSOR, SAID COMPARTMENT HAVING AN AIR INLET AND AN AIR OUTLET OPENING ON ONE SIDE OF SAID PARTITION, A FAN WITHIN SAID COMPARTMENT BETWEEN SAID OPENINGS FOR MOVING AIR THROUGH SAID INLET OPENING, OVER THE PORTION OF SAID COIL THAT IS ON SAID ONE SIDE OF SAID PARTITION, AND OUT SAID OUTLET OPENING, SAID COMPARTMENT HAVING A SECOND AIR INLET OPENING AND A SECOND AIR OUTLET WITHIN SAID COMPARTMENT BETWEEN SAID SECOND OPENINGS FOR MOVING AIR THROUGH SAID SECOND INLET OPENINGS, OVER THE PORTION OF SAID COIL THAT IS ON SAID OTHER SIDE OF SAID PARTITION, AND OUT SAID SECOND OUTLET OPENING, SAID PARTITION HAVING AN AIR BY-PASS OPENING THEREIN, A DAMPER NORMALLY CLOSING SAID BY-PASS OPENING, AND MEANS INCLUDING MEANS RESPONSIVE TO REFRIGERANT PRESSURE WITHIN SAID SYSTEM AND PRODUCED BY SAID COMPRESSOR FOR ADJUSTING SAID DAMPER TO OPEN SAID BY-PASS OPENING.
Claim 2
Dependent Claim
182 words
IN A REFRIGERATION SYSTEM HAVING A REFRIGERANT COMPRESSOR, A CONDENSOR COMPARTMENT, A PARTITION EXTENDING ACROSS THE INTERIOR OF SAID COMPARTMENT, AN AIR-COOLED CONDENSER COIL WITHIN SAID COMPARTMENT AND EXTENDING THROUGH SAID PARTITION AND CONNECTED TO THE DISCHARGE SIDE OF SAID COMPRESSOR, SAID COMPARTMENT HAVING AN AIR INLET AND AN AIR OUTLET OPENING ON ONE SIDE OF SAID PARTITION, A FAN WITHIN SAID COMPARTMENT BETWEEN SAID OPENINGS FOR MOVING AIR THROUGH SAID INLET OPENING, OVER THE PORTION OF SAID COIL THAT IS ON SAID ONE SIDE OF SAID PARTITION, AND OUT SAID OUTLET OPENING, SAID COMPARTMENT HAVING A SECOND AIR INLET OPENING AND A SECOND AIR OUTLET WITHIN SAID COMPARTMENT BETWEEN SAID SECOND OPENINGS FOR MOVING AIR THROUGH SAID SECOND INLET OPENINGS, OVER THE PORTION OF SAID COIL THAT IS ON SAID OTHER SIDE OF SAID PARTITION, AND OUT SAID SECOND OUTLET OPENING, SAID PARTITION HAVING AN AIR BY-PASS OPENING THEREIN, A DAMPER NORMALLY CLOSING SAID BY-PASS OPENING, AND MEANS INCLUDING MEANS RESPONSIVE TO REFRIGERANT PRESSURE WITHIN SAID SYSTEM AND PRODUCED BY SAID COMPRESSOR FOR ADJUSTING SAID DAMPER TO OPEN SAID BY-PASS OPENING.
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) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |