Patent US1622664A successfully refreshed from Google Patents.
US3297074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot light burner
Assignee: ESSCO SUPPLY CO
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Filing: 1965-09-09
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Granted: 1967-01-10
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Expires: 1985-09-09
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:31
CPC Classifications
F; F23; F23Q; F23Q9/00; F23Q9/02; F23Q9/04; F23Q9/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
444 words
IN A GAS BURNER, THE COMBINATION OF A FRAME, A GAS BURNER HAVING A PREDETERMINED FLAME AREA MOUNTED ON SAID FRAME, A PILOT LIGHT BURNER MOUNTED ON SAID FRAME, GAS SUPPLY MEANS FOR SAID GAS BURNER, GAS SUPPLY MEANS FOR SAID PILOT LIGHT BURNER, AND A THERMOCOUPLE FOR CONTROLLING FLOW OF GAS THROUGH SAID GAS SUPPLY MEANS OF SAID GAS BURNER; SAID PILOT LIGHT BURNER INCLUDING A BURNER GUARD FOR THE GAS PILOT LIGHT, SAID GUARD INCLUDING AN ELONGATED TUBULAR BODY PORTION HAVING AN ELONGATED COMBUSTION CHAMBER, MEANS AT ONE END OF SAUD TUBULAR BODY PORTION FOR ATTACHMENT THEREOF TO SAID PILOT LIGHT GAS SUPPLY MEAN IN JUXTAPOSITION WHEREBY GAS EMITTED FROM SAID PILOT LIGHT GAS SUPPLY MEANS ENTERS SAID ELONGATED COMBUSTION CHAMBER, SAID ELONGATED TUBULAR BODY PORTION HAVING AIR INTAKE PASSAGEWAYS OPENING FROM THE PERIPHERY OF SAID TUBULAR BODY PORTION TO SAID ELONGATED COMBUSTION CHAMBER, AND A BURNER FLAME BAFFLE MOUNTED AT THE END OF SAID TUBULAR BODY PORTION OPPOSITE TO SAID MEANS FOR ATTACHMENT THEREOF TO SAID PILOT LIGHT GAS SUPPLY MEANS, SAID BURNER FLAME BAFFLE HAVING A BODY PORTION INCLUDING A COVER MEMBER POSITIONED FOR IMPINGEMENT THEREAGAINST OF THE BURNER FLAME FROM SAID ELONGATED COMBUSTION CHAMBER AND HAVING AN ELONGATED FLAME RECEIVING OPENING THERETHROUGH, SAID COVER MEMBER INCLUDING FLAME DIRECTIONAL MEANS POSITIONED OVER SIAD FLANGE RECEIVING OPENING IN JUXTAPOSITION WHEREBY TO DIRECT A TONGUE OF FLAME TO THE FLAME AREA OF SAID GAS BURNER AND ANOTHER TONGUE OF FLAME TO SAID THERMOCOUPLE, SAID FLANGE DIRECTIONAL MEANS COMPRISING A CHANNEL MEMBER OF SUBSTANTIALLY INVERTED U-SHAPED CROSS SECTION, SAID CHANNEL MEMBER BEING OPEN AT EACH END THEREOF AND EXTENDING AXIALLY OVER THE ELONGATED FLAME RECEIVING OPENING OF SAID COVER MEMBER IN JUXTAPOSITION WHEREBY THE OPEN ENDS THEREOF COMPRISE PORT MEANS FOR DIRECTIONAL DISCHARGE OF FLAME FROM SAID PILOT LIGHT TO THE FLAME AREA OF SAID GAS BURNER AND SAID THERMOCOUPLE, ONE SIDE OF SAID INVERTED U-SHAPED MEMBER ADJOINING SAID COVER MEMBER AND THE OTHER SIDE THEREOF TERMINATING ADJACENT SAID COVER MEMBER AND DEFINING THEREBETWEEN A LONGITUDINALLY EXTENDING SLOT OPENING AT EACH END THEREOF INTO ONE OF SAID PORT MEANS IN JUXTAPOSITION WHEREBY TO COMPRISE AN IGNITION WAY COMMUNICANT BETWEEN SAID PORT MEANS TO PROVIDE MEANS FOR IGNITION OF RAW FUEL PASSING THROUGH ONE OF SAID PORT MEANS BY THE FLAME EMITTED FROM THE OTHER OF SAID PORT MEANS, SAID GAS BURNER, PILOT LIGHT GUARD AND THERMOCOUPLE BEING MOUNTED ON SAID FRAME WITH SAID PILOT LIGHT GUARD DISPOSE INTERMEDIATE SAID THERMOCOUPLE AND SAID GAS BURNER IN JUXTAPOSITION WHEREBY SAID GAS PILOT LIGHT GUARD SHIELDS SAID THERMOCOUPLE FROM DIRECT HEAT OF SAID GAS BURNER AND SAID THERMOCOUPLE SHIELDS SAID PILOT LIGHT GUARD FROM OUTSIDE DRAFTS.
Claim 2
Dependent Claim
444 words
IN A GAS BURNER, THE COMBINATION OF A FRAME, A GAS BURNER HAVING A PREDETERMINED FLAME AREA MOUNTED ON SAID FRAME, A PILOT LIGHT BURNER MOUNTED ON SAID FRAME, GAS SUPPLY MEANS FOR SAID GAS BURNER, GAS SUPPLY MEANS FOR SAID PILOT LIGHT BURNER, AND A THERMOCOUPLE FOR CONTROLLING FLOW OF GAS THROUGH SAID GAS SUPPLY MEANS OF SAID GAS BURNER; SAID PILOT LIGHT BURNER INCLUDING A BURNER GUARD FOR THE GAS PILOT LIGHT, SAID GUARD INCLUDING AN ELONGATED TUBULAR BODY PORTION HAVING AN ELONGATED COMBUSTION CHAMBER, MEANS AT ONE END OF SAUD TUBULAR BODY PORTION FOR ATTACHMENT THEREOF TO SAID PILOT LIGHT GAS SUPPLY MEAN IN JUXTAPOSITION WHEREBY GAS EMITTED FROM SAID PILOT LIGHT GAS SUPPLY MEANS ENTERS SAID ELONGATED COMBUSTION CHAMBER, SAID ELONGATED TUBULAR BODY PORTION HAVING AIR INTAKE PASSAGEWAYS OPENING FROM THE PERIPHERY OF SAID TUBULAR BODY PORTION TO SAID ELONGATED COMBUSTION CHAMBER, AND A BURNER FLAME BAFFLE MOUNTED AT THE END OF SAID TUBULAR BODY PORTION OPPOSITE TO SAID MEANS FOR ATTACHMENT THEREOF TO SAID PILOT LIGHT GAS SUPPLY MEANS, SAID BURNER FLAME BAFFLE HAVING A BODY PORTION INCLUDING A COVER MEMBER POSITIONED FOR IMPINGEMENT THEREAGAINST OF THE BURNER FLAME FROM SAID ELONGATED COMBUSTION CHAMBER AND HAVING AN ELONGATED FLAME RECEIVING OPENING THERETHROUGH, SAID COVER MEMBER INCLUDING FLAME DIRECTIONAL MEANS POSITIONED OVER SIAD FLANGE RECEIVING OPENING IN JUXTAPOSITION WHEREBY TO DIRECT A TONGUE OF FLAME TO THE FLAME AREA OF SAID GAS BURNER AND ANOTHER TONGUE OF FLAME TO SAID THERMOCOUPLE, SAID FLANGE DIRECTIONAL MEANS COMPRISING A CHANNEL MEMBER OF SUBSTANTIALLY INVERTED U-SHAPED CROSS SECTION, SAID CHANNEL MEMBER BEING OPEN AT EACH END THEREOF AND EXTENDING AXIALLY OVER THE ELONGATED FLAME RECEIVING OPENING OF SAID COVER MEMBER IN JUXTAPOSITION WHEREBY THE OPEN ENDS THEREOF COMPRISE PORT MEANS FOR DIRECTIONAL DISCHARGE OF FLAME FROM SAID PILOT LIGHT TO THE FLAME AREA OF SAID GAS BURNER AND SAID THERMOCOUPLE, ONE SIDE OF SAID INVERTED U-SHAPED MEMBER ADJOINING SAID COVER MEMBER AND THE OTHER SIDE THEREOF TERMINATING ADJACENT SAID COVER MEMBER AND DEFINING THEREBETWEEN A LONGITUDINALLY EXTENDING SLOT OPENING AT EACH END THEREOF INTO ONE OF SAID PORT MEANS IN JUXTAPOSITION WHEREBY TO COMPRISE AN IGNITION WAY COMMUNICANT BETWEEN SAID PORT MEANS TO PROVIDE MEANS FOR IGNITION OF RAW FUEL PASSING THROUGH ONE OF SAID PORT MEANS BY THE FLAME EMITTED FROM THE OTHER OF SAID PORT MEANS, SAID GAS BURNER, PILOT LIGHT GUARD AND THERMOCOUPLE BEING MOUNTED ON SAID FRAME WITH SAID PILOT LIGHT GUARD DISPOSE INTERMEDIATE SAID THERMOCOUPLE AND SAID GAS BURNER IN JUXTAPOSITION WHEREBY SAID GAS PILOT LIGHT GUARD SHIELDS SAID THERMOCOUPLE FROM DIRECT HEAT OF SAID GAS BURNER AND SAID THERMOCOUPLE SHIELDS SAID PILOT LIGHT GUARD FROM OUTSIDE DRAFTS.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |