US2737347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gas ratio control system
Assignee: Union Carbide Corp
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Filing: 1952-03-07
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Granted: 1956-03-06
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Expires: 1972-03-07
Abstract
No abstract record available.
Inventors
- 👤 Roscoe R Lobosco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:15
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/135; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/0346
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
AN OXY-FUEL GAS INTO CONTROL SYSTEM COMPRISING, IN COMBINATION, AN OXYGEN SUPPLY LINE CONTAINING AN ADJUSTABLE PRESSURE REGULATOR AND A CRITICAL ORIFICE METER WITH PRESSURE GAUGES EACH SIDE THEREOF FOLLOWING THE REGULATOR FOR MEASURING AND MAINTAINING SUBSTANTIALLY CONSTANT A DESIRED FLOW OF OXYGEN, AN ACETYLENE SUPPLY LINE CONTAINING A PRESSURE REGULATOR HAVING A DIAPHRAGM SPRING, AN OXY-ACETYLENE MIXER CONNECTED TO SAID OXYGEN AND ACETYLENE SUPPLY LINES, A WORK FLAME BURNER CONNECTED TO AN OUTLET OF SAID MIXER, A GAS SAMPLING UNIT HAVING AN OXY-ACETYLENE MIXED-GAS FLAME TIP CONNECTED TO SAID WORK FLAME BURNER, AN AIR-ACETYLENE PILOT FLAME BURNER INSULATED FROM SAID TIP AND POSITIONED SO THAT THE PILOT FLAME CONTACTS THE MIXED-GAS FLAME, A CONTROL UNIT HAVING AN INPUT CIRCUIT CONTAINING SAID BURNER AND TIP, AND MEANS COMPRISING A MOTOR OPERATIVELY CONNECTED TO SAID CONTROL UNIT TO AUTOMATICALLY ADJUST SAID ACETYLENE PRESSURE REGULATOR SPRING TO MAINTAIN CONSTANT A DESIRED OXY-ACETYLENE RATIO.
Claim 2
Dependent Claim
151 words
AN OXY-FUEL GAS INTO CONTROL SYSTEM COMPRISING, IN COMBINATION, AN OXYGEN SUPPLY LINE CONTAINING AN ADJUSTABLE PRESSURE REGULATOR AND A CRITICAL ORIFICE METER WITH PRESSURE GAUGES EACH SIDE THEREOF FOLLOWING THE REGULATOR FOR MEASURING AND MAINTAINING SUBSTANTIALLY CONSTANT A DESIRED FLOW OF OXYGEN, AN ACETYLENE SUPPLY LINE CONTAINING A PRESSURE REGULATOR HAVING A DIAPHRAGM SPRING, AN OXY-ACETYLENE MIXER CONNECTED TO SAID OXYGEN AND ACETYLENE SUPPLY LINES, A WORK FLAME BURNER CONNECTED TO AN OUTLET OF SAID MIXER, A GAS SAMPLING UNIT HAVING AN OXY-ACETYLENE MIXED-GAS FLAME TIP CONNECTED TO SAID WORK FLAME BURNER, AN AIR-ACETYLENE PILOT FLAME BURNER INSULATED FROM SAID TIP AND POSITIONED SO THAT THE PILOT FLAME CONTACTS THE MIXED-GAS FLAME, A CONTROL UNIT HAVING AN INPUT CIRCUIT CONTAINING SAID BURNER AND TIP, AND MEANS COMPRISING A MOTOR OPERATIVELY CONNECTED TO SAID CONTROL UNIT TO AUTOMATICALLY ADJUST SAID ACETYLENE PRESSURE REGULATOR SPRING TO MAINTAIN CONSTANT A DESIRED OXY-ACETYLENE RATIO.
References Cited (Backward Citations)
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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) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |