US3710192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner ignition system
Assignee: General Electric Co
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Filing: 1971-06-18
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Granted: 1973-01-09
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Expires: 1991-06-18
Abstract
Abstract A burner ignition system for connection to a source of alternating current electric energy. The system has a spark generator, including an ignition transformer. The primary of ignition transformer is connected to a controlled rectifier. The trigger circuit for the controlled rectifier includes a series arrangement of a rectifier, a capacitance and a voltage breakdown device.
Inventors
- 👤 S Budlane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:46
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/20; F23N5/203; F23Q; F23Q3/00; F23Q3/004; F23N2227/00; F23N2227/36; F23N2229/00; F23N2231/00; F23N2231/10; Y; Y02; Y02E; Y02E20/00; Y02E20/12
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
129 words
A burner ignition system, including: a. spark generating means; b. a controlled rectifier adapted to operatively connect said spark generating means to a supply of alternating current electric energy for providing spark generating power to said spark generating means upon conduction of said controlled rectifier; c. said controlled rectifier having a gate for application of a control signal to said controlled rectifier to cause conduction of said controlled rectifier during half cycles of applied electric energy of a first polarity; d. a trigger circuit for connecting said gate to a supply of alternating current electric energy; and e. said trigger circuit including a series arrangement of a rectifier, adapted to conduct during half cycles of the same polarity as said controlled rectifier, a capacitance and a voltage breakdown device.
Claim 2
Dependent Claim
129 words
A burner ignition system, including: a. spark generating means; b. a controlled rectifier adapted to operatively connect said spark generating means to a supply of alternating current electric energy for providing spark generating power to said spark generating means upon conduction of said controlled rectifier; c. said controlled rectifier having a gate for application of a control signal to said controlled rectifier to cause conduction of said controlled rectifier during half cycles of applied electric energy of a first polarity; d. a trigger circuit for connecting said gate to a supply of alternating current electric energy; and e. said trigger circuit including a series arrangement of a rectifier, adapted to conduct during half cycles of the same polarity as said controlled rectifier, a capacitance and a voltage breakdown device.
Claim 3
Dependent Claim
19 words
A burner ignition system as set forth in claim 1 further including means selectively effective to discharge said capacitance.
Claim 4
Dependent Claim
33 words
A burner ignition system as set forth in claim 1 wherein said controlled rectifier includes an anode, a cathode and a gate; said trigger circuit being connected between said anode and said gate.
Claim 5
Dependent Claim
150 words
A burner ignition system, for connection to a source of alternating current electric energy, including: a. an ignition transformer having a primary winding and a secondary winding; b. spark generating device connected to said secondary winding; c. a controlled rectifier adapted to operatively connect said primary in a supply circuit from the source of electric energy for providing electric energy to said primary winding upon conduction of said controlled rectifier; d. said controlled rectifier having a gate terminal for application of a control signal to said controlled rectifier to cause conduction of said controlled rectifier during half cycles of applied electric energy; e. a trigger circuit for connecting said gate terminal to the source of electric energy; and f. said trigger circuit including a series arrangement of a rectifier, adapted to conduct during half cycles of the same polarity as said controlled rectifier, a capacitance and a voltage breakdown device.
Claim 6
Dependent Claim
150 words
A burner ignition system, for connection to a source of alternating current electric energy, including: a. an ignition transformer having a primary winding and a secondary winding; b. spark generating device connected to said secondary winding; c. a controlled rectifier adapted to operatively connect said primary in a supply circuit from the source of electric energy for providing electric energy to said primary winding upon conduction of said controlled rectifier; d. said controlled rectifier having a gate terminal for application of a control signal to said controlled rectifier to cause conduction of said controlled rectifier during half cycles of applied electric energy; e. a trigger circuit for connecting said gate terminal to the source of electric energy; and f. said trigger circuit including a series arrangement of a rectifier, adapted to conduct during half cycles of the same polarity as said controlled rectifier, a capacitance and a voltage breakdown device.
Claim 7
Dependent Claim
19 words
A burner ignition system as set forth in claim 1 further including means selectively effective to discharge said capacitance.
Claim 8
Dependent Claim
32 words
An ignition system as set forth in claim 4 wherein said controlled rectifier includes an anode, a cathode and a gate; said trigger circuit being connected between said anode and said gate.
Claim 9
Dependent Claim
149 words
A burner ignition sysTem for connection to a source of alternating current electric energy, including: a. an ignition transformer having a primary winding and a secondary winding; b. a spark generating device connected to said secondary winding; c. a controlled rectifier having an anode, a cathode and a gate; d. first circuit means connecting said anode and cathode across the source of alternating current electric energy; e. a storage capacitance; second circuit means connecting said storage capacitance across the source of alternating current electric energy when said controlled rectifier is nonconductive and connecting said storage capacitance in series with said primary of said ignition transformer through the anode-cathode path of said controlled rectifier when said controlled rectifier is conductive; f. a trigger circuit, including a series arrangement of a rectifier, a second capacitance and a voltage breakdown device, connected between said anode and said gate of said controlled rectifier.
Claim 10
Dependent Claim
149 words
A burner ignition sysTem for connection to a source of alternating current electric energy, including: a. an ignition transformer having a primary winding and a secondary winding; b. a spark generating device connected to said secondary winding; c. a controlled rectifier having an anode, a cathode and a gate; d. first circuit means connecting said anode and cathode across the source of alternating current electric energy; e. a storage capacitance; second circuit means connecting said storage capacitance across the source of alternating current electric energy when said controlled rectifier is nonconductive and connecting said storage capacitance in series with said primary of said ignition transformer through the anode-cathode path of said controlled rectifier when said controlled rectifier is conductive; f. a trigger circuit, including a series arrangement of a rectifier, a second capacitance and a voltage breakdown device, connected between said anode and said gate of said controlled rectifier.
Claim 11
Dependent Claim
19 words
A burner ignition system as set forth in claim 7, further including means selectively effective to discharge said capacitance.
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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) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |