US3167705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Series stacked ignition system using series diodes in the bases
Assignee: Robert Bosch GmbH
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Filing: 1961-12-19
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Granted: 1965-01-26
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Expires: 1981-12-19
Abstract
No abstract record available.
Inventors
- 👤 Sohner Gerhard
- 👤 Waiblingen Kreis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:22
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/02; F02P3/04; F02P3/0407; F02P3/0435; F02P3/055; F02P3/0552
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
IN AN IGNITION CONTROL ARRANGEMENT FOR INTERNAL COMBUSNTION ENGINES, IN COMBINATION, A SOURCE OF CONTINUOUS ELECTRIC ENERGY; CONTROL PULSE GENERATOR MEANS FOR FURNISHING CONTROL PULSES ADAPTED TO TIME THE IGNITION MOMENTS; IGNITION COIL MEANS HAVING A PRIMARY WINDING AND A SECONDARY WINDING FOR DELIVERING A HIGH VOLTAGE IGNITION PULSE IN RESPONSE TO AN INTERRUPTION OF CURRENT FLOW THROUGH SAID PRIMARY WINDING; AT LEAST TWO TRANSISTOR MEANS HAVING THEIR EMITTER-COLLECTOR CIRCUITS CONNECTED IN SERIES WITH EACH OTHER AND IN CIRCUIT WITH SAID SOURCE AND SAID PRIMARY WINDING, MTHE BASE ELECTRODES OF SAID TRANSISTOR MEANS BEING IN CIRCUIT WITH SAID CONTROL PULSE GENERATOR MEANS IN SUCH A MANNER THAT DURING EACH OF SAID CONTROL PULSES SAID TRANSISTOR MEANS ARE CONDUCTIVE SO AS TO PASS CURRENT FROM SAID SOURCE TO SAID PRIMARY WINDING, AND THAT DURING THE INTERVALS BETWEEN SAID CONTROL PULSES SAID TRANSISTOR MEANS ARE NONCONDUCTIVE SO AS TO INTERRUPT SAID CURRENT; AND AT LEAST ONE RECTIFIER MEANS CONNECTED BETWEEN THE BASE ELECTRODE OF ONE OF SAID TRANSISTOR MEANS AND SAID CONTROL PULSE GENERATOR IN SUCH A MANNER THAT THE EMITTER-BASE CURRENT OF SAID ONE TRANSISTOR MEANS IS ENABLED TO PASS THROUGH SAID RECTIFIER MEANS.
Claim 2
Dependent Claim
193 words
IN AN IGNITION CONTROL ARRANGEMENT FOR INTERNAL COMBUSNTION ENGINES, IN COMBINATION, A SOURCE OF CONTINUOUS ELECTRIC ENERGY; CONTROL PULSE GENERATOR MEANS FOR FURNISHING CONTROL PULSES ADAPTED TO TIME THE IGNITION MOMENTS; IGNITION COIL MEANS HAVING A PRIMARY WINDING AND A SECONDARY WINDING FOR DELIVERING A HIGH VOLTAGE IGNITION PULSE IN RESPONSE TO AN INTERRUPTION OF CURRENT FLOW THROUGH SAID PRIMARY WINDING; AT LEAST TWO TRANSISTOR MEANS HAVING THEIR EMITTER-COLLECTOR CIRCUITS CONNECTED IN SERIES WITH EACH OTHER AND IN CIRCUIT WITH SAID SOURCE AND SAID PRIMARY WINDING, MTHE BASE ELECTRODES OF SAID TRANSISTOR MEANS BEING IN CIRCUIT WITH SAID CONTROL PULSE GENERATOR MEANS IN SUCH A MANNER THAT DURING EACH OF SAID CONTROL PULSES SAID TRANSISTOR MEANS ARE CONDUCTIVE SO AS TO PASS CURRENT FROM SAID SOURCE TO SAID PRIMARY WINDING, AND THAT DURING THE INTERVALS BETWEEN SAID CONTROL PULSES SAID TRANSISTOR MEANS ARE NONCONDUCTIVE SO AS TO INTERRUPT SAID CURRENT; AND AT LEAST ONE RECTIFIER MEANS CONNECTED BETWEEN THE BASE ELECTRODE OF ONE OF SAID TRANSISTOR MEANS AND SAID CONTROL PULSE GENERATOR IN SUCH A MANNER THAT THE EMITTER-BASE CURRENT OF SAID ONE TRANSISTOR MEANS IS ENABLED TO PASS THROUGH SAID RECTIFIER MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |