Patent US1774486A successfully refreshed from Google Patents.
Patent US3092323A successfully refreshed from Google Patents.
US3092323A
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US
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Burner fuel control system
Assignee: Robertshaw Controls Co
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Filing: 1959-09-11
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Granted: 1963-06-04
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Expires: 1979-09-11
Abstract
No abstract record available.
Inventors
- 👤 Wantz Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:42
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/125; G05D23/126; G05D23/127; G05D23/128; F; F23; F23N; F23N1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN A HEATING SYSTEM HAVING A MAIN BURNER, THE COMBINATION COMPRISING, A CONTROLLER PILOT DISPOSED ADJACENT SAID MAIN BURNER, THERMOSTATIC VALVE MEANS ADAPTED FOR CONTROLLING FLOW TO THE MAIN BURNER AND BEING RESPONSIVE TO THE FLAME OF SAID CONTROLLER PILOT, SAID VALVE MEANS BEING OPERABLE WHEN OPEN TO PERMIT FUEL TO FLOW TO SAID BURNER AND BEING OPERABLE WHEN CLOSED TO PERVENT FUEL FLOW TO SAID BURNER, THERMOSTATIC MEANS RESPONSIVE TO THE TEMPERATURE OF THE SPACE BEING HEATED, HEATER ACTUATED BIMETALLIC MEANS OPERATIVELY CONNECTED TO SAID THERMOSTATIC MEANS AND ADAPTED FOR REGULATING FLOW TO SAID CONTROLLER PILOT, AND CONTROL MEANS ADAPTED FOR SETTING AN INDICATED TEMPERATURE AND FOR VARYING THE REGULATION OF SAID BIMETALLIC MEANS.
Claim 2
Dependent Claim
115 words
IN A HEATING SYSTEM HAVING A MAIN BURNER, THE COMBINATION COMPRISING, A CONTROLLER PILOT DISPOSED ADJACENT SAID MAIN BURNER, THERMOSTATIC VALVE MEANS ADAPTED FOR CONTROLLING FLOW TO THE MAIN BURNER AND BEING RESPONSIVE TO THE FLAME OF SAID CONTROLLER PILOT, SAID VALVE MEANS BEING OPERABLE WHEN OPEN TO PERMIT FUEL TO FLOW TO SAID BURNER AND BEING OPERABLE WHEN CLOSED TO PERVENT FUEL FLOW TO SAID BURNER, THERMOSTATIC MEANS RESPONSIVE TO THE TEMPERATURE OF THE SPACE BEING HEATED, HEATER ACTUATED BIMETALLIC MEANS OPERATIVELY CONNECTED TO SAID THERMOSTATIC MEANS AND ADAPTED FOR REGULATING FLOW TO SAID CONTROLLER PILOT, AND CONTROL MEANS ADAPTED FOR SETTING AN INDICATED TEMPERATURE AND FOR VARYING THE REGULATION OF SAID BIMETALLIC MEANS.
References Cited (Backward Citations)
US1347329A
Cited
US1842335A
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US2154030A
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US2361530A
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US2685412A
Cited
US2859024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |