Patent US4458027A successfully refreshed from Google Patents.
Patent US3198245A successfully refreshed from Google Patents.
US3198245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning systems
Assignee: Borg Warner Corp
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Filing: 1960-12-05
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Granted: 1965-08-03
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Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Sam P Soling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:16
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/06; F24F3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
AN AIR CONDITIONING SYSTEM FOR MULTI-ROOM BUILDINGS COMPRISING A PLURALITY OF HEAT-EXCHANGE COILS IN AIR COMMUNICATING WITH RESPECTIVE ROOMS; MEANS INCLUDING A HEATER AND A CHILLER FOR SIMULTANEOUSLY SUPPLYING A HEATED AND A CHILLED HEAT-EXCHANGE FLUID TO SAID COILS FOR FLOW THERETHROUGH; MEANS FOR FLOWING ROOM AIR OVER SAID COILS IN HEAT-EXCHANGE RELATION THEREWITH; VALVE MEANS LOCATED AT THE INLET TO EACH SAID COIL; CONTROL MEANS FOR POSITIONING SAID VALVE MEANS TO FLOW EITHER HEATED OR CHILLED HEATEXCHANGE FLUID THROUGH SAID COILS, DEPENDENT ON WHETHER THE ROOM TEMPERATURE IS BELOW OR ABOVE A PREDETERMINED TEMPERATURE; AND MEANS FOR OVERRIDING SAID CONTROL MEANS TO MAINTAIN A PREDETERMINED MAXIMUM LEAVING TEMPERATURE OF SAID SUPPLIED HEATED FLUID EXITING A COIL.
Claim 2
Dependent Claim
117 words
AN AIR CONDITIONING SYSTEM FOR MULTI-ROOM BUILDINGS COMPRISING A PLURALITY OF HEAT-EXCHANGE COILS IN AIR COMMUNICATING WITH RESPECTIVE ROOMS; MEANS INCLUDING A HEATER AND A CHILLER FOR SIMULTANEOUSLY SUPPLYING A HEATED AND A CHILLED HEAT-EXCHANGE FLUID TO SAID COILS FOR FLOW THERETHROUGH; MEANS FOR FLOWING ROOM AIR OVER SAID COILS IN HEAT-EXCHANGE RELATION THEREWITH; VALVE MEANS LOCATED AT THE INLET TO EACH SAID COIL; CONTROL MEANS FOR POSITIONING SAID VALVE MEANS TO FLOW EITHER HEATED OR CHILLED HEATEXCHANGE FLUID THROUGH SAID COILS, DEPENDENT ON WHETHER THE ROOM TEMPERATURE IS BELOW OR ABOVE A PREDETERMINED TEMPERATURE; AND MEANS FOR OVERRIDING SAID CONTROL MEANS TO MAINTAIN A PREDETERMINED MAXIMUM LEAVING TEMPERATURE OF SAID SUPPLIED HEATED FLUID EXITING A COIL.
References Cited (Backward Citations)
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US2511677A
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |