US3204149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal pulse ignition system
Assignee: Individual
•
Filing: 1962-05-24
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Granted: 1965-08-31
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Expires: 1982-05-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Vance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:52
CPC Classifications
F; F02; F02P; F02P19/00; F02P19/02; F02P19/026; F02P7/00; F02P7/02; F02P7/03; F02P7/035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
AN IGNITION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE HAVING A COMBUSTION CHAMBER FOR RECEIVING AN AIRFUEL MIXTURE COMPRISING: A LOW RESISTIVITY THERMAL ELEMENT FOR IGNITING THE AIR-FUEL MIXTURE, SAID ELEMENT MOUNTED IN THE COMBUSTION CHAMBER, AND ADAPTED TO RECEIVE ELECTRIC CURRENTS IN EXCESS OF ONE HUNDRED AMPERES FOR LESS THAN ONE MILLISECOND AND TO RESPOND IMMEDIATELY THERETO BY CHANGING TEMPERATURE IN ACCORDANCE WITH SAID CURRENTS; AND ELECTRIC CURRENT PROVIDING MEANS ELECTRICALLY COUPLED TO SAID THERMAL ELEMENT FOR PROVIDING ELECTRICAL PULSES OF LESS THAN ONE MILLISECOND DURATION AT LOW VOLTTAGES OF THE ORDER OF TEN VOLTS AND HIGH CURRENTS IN EXCESS OF 100 AMPERES.
Claim 2
Dependent Claim
103 words
AN IGNITION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE HAVING A COMBUSTION CHAMBER FOR RECEIVING AN AIRFUEL MIXTURE COMPRISING: A LOW RESISTIVITY THERMAL ELEMENT FOR IGNITING THE AIR-FUEL MIXTURE, SAID ELEMENT MOUNTED IN THE COMBUSTION CHAMBER, AND ADAPTED TO RECEIVE ELECTRIC CURRENTS IN EXCESS OF ONE HUNDRED AMPERES FOR LESS THAN ONE MILLISECOND AND TO RESPOND IMMEDIATELY THERETO BY CHANGING TEMPERATURE IN ACCORDANCE WITH SAID CURRENTS; AND ELECTRIC CURRENT PROVIDING MEANS ELECTRICALLY COUPLED TO SAID THERMAL ELEMENT FOR PROVIDING ELECTRICAL PULSES OF LESS THAN ONE MILLISECOND DURATION AT LOW VOLTTAGES OF THE ORDER OF TEN VOLTS AND HIGH CURRENTS IN EXCESS OF 100 AMPERES.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |