US3308801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitive discharge ignition system
Assignee: Westinghouse Electric Corp
•
Filing: 1964-07-23
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Granted: 1967-03-14
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Expires: 1984-07-23
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Motto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:13
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/06; F02P3/08; F02P3/0807; F02P3/0838
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
215 words
AN IGNITION SYSTEM COMPRISING: A GATE CONTROLLED SWITCH HAVING AN ANODE-CATHODE CIRCUIT AND A GATE CIRCUIT; A FIRST CAPACITOR DEVICE CONNECTED IN THE ANODE-CATHODE CIRCUIT OF SAID GATE CONTROLLED SWITCH; A FIRST CHARGING CIRCUIT CONNECTED IN THE ANODE-CATHODE CIRCUIT OF SAID GATE CONTROLLED SWITCH; A SECOND CAPACITOR DEVICE CONNECTED IN THE GATE CIRCUIT OF SAID GATE CONTROLLED SWITCH; A SECOND CHARGING CIRCUIT INCLUDING AN INDUCTIVE DEVICE CONNECTED TO SAID SECOND CAPACITIVE DEVICE FOR CHARGING SAID SECOND CAPACITIVE DEVICE; SWITCH MEANS CONNECTED TO SAID SECOND CAPACITIVE DEVICE, SAID SECOND CAPACITIVE DEVICE BEING DISCHARGED BY THE CLOSING OF SAID SWITCH MEANS TO RENDER SAID GATE CONTROLLED SWITCH NON-CONDUCTIVE AND INDUCE A FIRST VOLTAGE IN SAID FIRST CHARGING CIRCUIT, SAID FIRST CAPACITIVE DEVICE BEING CHARGED TO SAID FIRST VOLTAGE; CONVERSION MEANS INCLUDING A PRIMARY COIL CONNECTED TO SAID FIRST CAPACITIVE DEVICE AND A SECONDARY COIL; UPON OPENING SAID SWITCH MEANS A SECOND VOLTAGE BEING INDUCED IN SAID INDUCTIVE DEVICE OF SAID SECOND CHARGING CIRCUIT AND BEING APPLIED TO THE GATE ELECTRODE OF SAID GATE CONTROLLED SWITCH TO RENDER SAID GATE CONTROLLED SWITCH CONDUCTIVE, WITH SAID FIRST CAPACITIVE DEVICE BEING DISCHARGED THROUGH SAID GATE CONTROLLED SWITCH TO APPLY SAID FIRST VOLTAGE TO THE PRIMARY COIL OF SAID CONVERSION MEANS AND INDUCE AN OUTPUT SPARK VOLTAGE IN SAID SECONDARY COIL.
Claim 2
Dependent Claim
215 words
AN IGNITION SYSTEM COMPRISING: A GATE CONTROLLED SWITCH HAVING AN ANODE-CATHODE CIRCUIT AND A GATE CIRCUIT; A FIRST CAPACITOR DEVICE CONNECTED IN THE ANODE-CATHODE CIRCUIT OF SAID GATE CONTROLLED SWITCH; A FIRST CHARGING CIRCUIT CONNECTED IN THE ANODE-CATHODE CIRCUIT OF SAID GATE CONTROLLED SWITCH; A SECOND CAPACITOR DEVICE CONNECTED IN THE GATE CIRCUIT OF SAID GATE CONTROLLED SWITCH; A SECOND CHARGING CIRCUIT INCLUDING AN INDUCTIVE DEVICE CONNECTED TO SAID SECOND CAPACITIVE DEVICE FOR CHARGING SAID SECOND CAPACITIVE DEVICE; SWITCH MEANS CONNECTED TO SAID SECOND CAPACITIVE DEVICE, SAID SECOND CAPACITIVE DEVICE BEING DISCHARGED BY THE CLOSING OF SAID SWITCH MEANS TO RENDER SAID GATE CONTROLLED SWITCH NON-CONDUCTIVE AND INDUCE A FIRST VOLTAGE IN SAID FIRST CHARGING CIRCUIT, SAID FIRST CAPACITIVE DEVICE BEING CHARGED TO SAID FIRST VOLTAGE; CONVERSION MEANS INCLUDING A PRIMARY COIL CONNECTED TO SAID FIRST CAPACITIVE DEVICE AND A SECONDARY COIL; UPON OPENING SAID SWITCH MEANS A SECOND VOLTAGE BEING INDUCED IN SAID INDUCTIVE DEVICE OF SAID SECOND CHARGING CIRCUIT AND BEING APPLIED TO THE GATE ELECTRODE OF SAID GATE CONTROLLED SWITCH TO RENDER SAID GATE CONTROLLED SWITCH CONDUCTIVE, WITH SAID FIRST CAPACITIVE DEVICE BEING DISCHARGED THROUGH SAID GATE CONTROLLED SWITCH TO APPLY SAID FIRST VOLTAGE TO THE PRIMARY COIL OF SAID CONVERSION MEANS AND INDUCE AN OUTPUT SPARK VOLTAGE IN SAID SECONDARY COIL.
References Cited (Backward Citations)
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US3078391A
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US3213320A
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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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |