US3263729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel ignitor arrangement for a heater
Assignee: VYZKUMNY USTAV PRISLUSENSTVI MOTOROVYCH VOZIDEL
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Filing: 1964-06-26
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Granted: 1966-08-02
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Expires: 1984-06-26
Abstract
No abstract record available.
Inventors
- 👤 Fetter Zdenek
- 👤 Musil Jaroslav
- 👤 Kucera Miroslav
- 👤 Pelikan Bohus
- 👤 Leimer Jaroslav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:25
CPC Classifications
F; F23; F23Q; F23Q3/00; F23Q3/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
AN IGNITOR UNIT FOR FUEL-BURNING HEATING APPARATUS COMPRISING, IN COMBINATION: (A) A SHELL HAVING AN AXIS AND BEING FORMED WITH AN AXIALLY OPEN CAVITY AND WITH TWO BORES PASSING THROUGH SAID SHELL IN THE DIRECTION OF SAID AXIS, SAID BORES BEING OFFSET FROM THE AXIS IN OPPOSITE TRANSVERSE DIRECTIONS AND HAVING RESPECTIVE TERMINAL ORIFICES AXIALLY COMMUNICATING WITH SAID CAVITY; (B) CONNECTING MEANS FOR CONNECTING ONE OF SAID BORES WITH A SOURCE OF FLUID FUEL; (C) NOZZLE MEANS IN THE ORIFICE OF SAID ONE BORE FOR DISCHARGING A STREAM OF SAID FUEL INTO SAID CAVITY; (D) AN ELONGATED CONDUCTOR PASSING THROUGH THE OTHER BORE, SAID CONDUCTOR HAVING AN END PORTION IN SAID CAVITY CONSTITUTING AN ELECTRODE AND ANOTHER END PORTION CONSTITUTING A TERMINAL; (E) INSULATING MEANS INSULATING SAID CONDUCTOR FROM SAID NOZZLE MEANS; AND (F) COUNTER-ELECTRODE MEANS MOUNTED ON SAID SHELL FOR PASSING A SPARK THROUGH THE STREAM OF FUEL DISCHARGED FROM SAID NOZZLE MEANS BETWEEN SAID COUNTER-ELECTRODE MEANS AND SAID ELECTRODE WHEN AN ELECTRIC POTENTIAL IS APPLIED TO SAID COUNTER-ELECTRODE MEANS AND SAID TERMINAL.
Claim 2
Dependent Claim
174 words
AN IGNITOR UNIT FOR FUEL-BURNING HEATING APPARATUS COMPRISING, IN COMBINATION: (A) A SHELL HAVING AN AXIS AND BEING FORMED WITH AN AXIALLY OPEN CAVITY AND WITH TWO BORES PASSING THROUGH SAID SHELL IN THE DIRECTION OF SAID AXIS, SAID BORES BEING OFFSET FROM THE AXIS IN OPPOSITE TRANSVERSE DIRECTIONS AND HAVING RESPECTIVE TERMINAL ORIFICES AXIALLY COMMUNICATING WITH SAID CAVITY; (B) CONNECTING MEANS FOR CONNECTING ONE OF SAID BORES WITH A SOURCE OF FLUID FUEL; (C) NOZZLE MEANS IN THE ORIFICE OF SAID ONE BORE FOR DISCHARGING A STREAM OF SAID FUEL INTO SAID CAVITY; (D) AN ELONGATED CONDUCTOR PASSING THROUGH THE OTHER BORE, SAID CONDUCTOR HAVING AN END PORTION IN SAID CAVITY CONSTITUTING AN ELECTRODE AND ANOTHER END PORTION CONSTITUTING A TERMINAL; (E) INSULATING MEANS INSULATING SAID CONDUCTOR FROM SAID NOZZLE MEANS; AND (F) COUNTER-ELECTRODE MEANS MOUNTED ON SAID SHELL FOR PASSING A SPARK THROUGH THE STREAM OF FUEL DISCHARGED FROM SAID NOZZLE MEANS BETWEEN SAID COUNTER-ELECTRODE MEANS AND SAID ELECTRODE WHEN AN ELECTRIC POTENTIAL IS APPLIED TO SAID COUNTER-ELECTRODE MEANS AND SAID TERMINAL.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |