Patent US3265931A successfully refreshed from Google Patents.
US3265931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic ignition distributor
Assignee: Individual
•
Filing: 1964-09-21
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Granted: 1966-08-09
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Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Martin E Gerry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:39
CPC Classifications
F; F02; F02P; F02P7/00; F02P7/02; F02P7/03; F02P7/06; F02P7/067; F02P7/0675
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
170 words
IN AN INTERNAL COMBUSTION ENGINE HAVING AN IGNITION SYSTEM COMPRISING AN ENERGY GENERATION AND DISTRIBUTION MEANS, AND FUEL IGNITER DEVICES, AN ELECTROMAGNETIC APPARATUS COMPRISING: AN IGNITION IDUCTOR WITH A COIL TIGHTLY WOUND ON A MAGNETIZED CORE WHICH HAS A SLOTTED SEGMENT WHEREIN A MAGNETIC FLUX IS ESTABLISHED; AND A ROTATABLE DISK OF MAGNETIC MATERIAL WITH ITS PERIPHERAL EDGE ROTATABLE IN AND PASSING THROUGH THE SAID SLOTTED SEGMENT OF THE SAID IGNITION INDUCTOR CORE; AND A SINGLE HOLE IN SAID DISK LOCATED AT THE SAID PERIPHERAL EDGE OF THE SAID DISK, FOR INTERRUPTING THE SAID MAGNETIC FLUX IN THE SAID SLOTTED SEGMENT, CAUSING A VOLTAGE TO BE INDUCED IN THE SAID IGNITION INDUCTOR PROPORTIONAL TO THE PRODUCT OF THE NUMBER OF TURNS OF THE SAID IGNITION INDUCTOR AND THE FLUX RATE OF CHANGE WITH TIME, TO CAUSE A SPARK TO JUMP A GAP OF AN IGNITER DEVICE CONNECTED TO SAID IGNITION INDUCTOR AND IGNITING THE FUEL IN A CYLINDER CHAMBER INTO WHICH THE SAID IGNITER DEVICE INSERTED AND MECHANICALLY HELD THEREBY.
Claim 2
Dependent Claim
170 words
IN AN INTERNAL COMBUSTION ENGINE HAVING AN IGNITION SYSTEM COMPRISING AN ENERGY GENERATION AND DISTRIBUTION MEANS, AND FUEL IGNITER DEVICES, AN ELECTROMAGNETIC APPARATUS COMPRISING: AN IGNITION IDUCTOR WITH A COIL TIGHTLY WOUND ON A MAGNETIZED CORE WHICH HAS A SLOTTED SEGMENT WHEREIN A MAGNETIC FLUX IS ESTABLISHED; AND A ROTATABLE DISK OF MAGNETIC MATERIAL WITH ITS PERIPHERAL EDGE ROTATABLE IN AND PASSING THROUGH THE SAID SLOTTED SEGMENT OF THE SAID IGNITION INDUCTOR CORE; AND A SINGLE HOLE IN SAID DISK LOCATED AT THE SAID PERIPHERAL EDGE OF THE SAID DISK, FOR INTERRUPTING THE SAID MAGNETIC FLUX IN THE SAID SLOTTED SEGMENT, CAUSING A VOLTAGE TO BE INDUCED IN THE SAID IGNITION INDUCTOR PROPORTIONAL TO THE PRODUCT OF THE NUMBER OF TURNS OF THE SAID IGNITION INDUCTOR AND THE FLUX RATE OF CHANGE WITH TIME, TO CAUSE A SPARK TO JUMP A GAP OF AN IGNITER DEVICE CONNECTED TO SAID IGNITION INDUCTOR AND IGNITING THE FUEL IN A CYLINDER CHAMBER INTO WHICH THE SAID IGNITER DEVICE INSERTED AND MECHANICALLY HELD THEREBY.
Claim 3
Dependent Claim
189 words
IN AN INTERNAL COMBUSTION ENGINE HAVING AN IGNITION SYSTEM COMPRISING AN ENERGY GENERATION AND DISTRIBUTION MEANS, AND FUEL IGNITER DEVICES, A SPARK PLUG, COMPRISING: A DISK-SHAPED FIRING PLATE AT WHICH CENTER OF ONE OF ITS SURFACES IS MECHANICALLY ATTACHED A ROD, WHICH ROD IS INSERTED THROUGH THE AXIS OF AN INSULATING MEMBER OF SAID SPARK PLUG, AND A HIGH VOLTAGE IS APPLIED TO THE UNATTACHED END OF SAID ROD; AND SAID DISK-SHAPED FIRING PLATE HAS TAPERED CYLINDRICAL HOLES WITH THE SMALLER APERTURES OF THE SAID TAPERED CYLINDRICAL HOLES ON THE SURFACE OF THE SAID DISK-SHAPED FIRING PLATE TO WHICH THE SAID ROD IS ATTACHED, AND A PRESSURE DIFFERENTIAL BETWEEN THE SURFACES OF THE SAID DISK-SHAPED FIRING PLATE EXISTS, THE HIGHER PRESSURE AT THE SMALLER SAID APERTURES OF THE SAID TAPERED CYLINDRICAL HOLES, AND THE FUEL RESIDUAL BETWEEN THE INNER SURFACE OF THE SAID DISK-SHAPED FIRING PLATE AND THE SPARK PLUG INSERT IS IGNITED, AND PENCIL-SHAPED FLAMES ARE DIRECTED FROM THE SAID SMALLER APERTURES TO THE LARGER APERTURES OF THE SAID TAPERED CYLINDRICAL HOLES OF THE SAID DISK-SHAPED FIRING PLATE INTO THE CYLINDER CHAMBER OF THE SAID INTERNAL COMBUSTION ENGINE.
Claim 4
Dependent Claim
189 words
IN AN INTERNAL COMBUSTION ENGINE HAVING AN IGNITION SYSTEM COMPRISING AN ENERGY GENERATION AND DISTRIBUTION MEANS, AND FUEL IGNITER DEVICES, A SPARK PLUG, COMPRISING: A DISK-SHAPED FIRING PLATE AT WHICH CENTER OF ONE OF ITS SURFACES IS MECHANICALLY ATTACHED A ROD, WHICH ROD IS INSERTED THROUGH THE AXIS OF AN INSULATING MEMBER OF SAID SPARK PLUG, AND A HIGH VOLTAGE IS APPLIED TO THE UNATTACHED END OF SAID ROD; AND SAID DISK-SHAPED FIRING PLATE HAS TAPERED CYLINDRICAL HOLES WITH THE SMALLER APERTURES OF THE SAID TAPERED CYLINDRICAL HOLES ON THE SURFACE OF THE SAID DISK-SHAPED FIRING PLATE TO WHICH THE SAID ROD IS ATTACHED, AND A PRESSURE DIFFERENTIAL BETWEEN THE SURFACES OF THE SAID DISK-SHAPED FIRING PLATE EXISTS, THE HIGHER PRESSURE AT THE SMALLER SAID APERTURES OF THE SAID TAPERED CYLINDRICAL HOLES, AND THE FUEL RESIDUAL BETWEEN THE INNER SURFACE OF THE SAID DISK-SHAPED FIRING PLATE AND THE SPARK PLUG INSERT IS IGNITED, AND PENCIL-SHAPED FLAMES ARE DIRECTED FROM THE SAID SMALLER APERTURES TO THE LARGER APERTURES OF THE SAID TAPERED CYLINDRICAL HOLES OF THE SAID DISK-SHAPED FIRING PLATE INTO THE CYLINDER CHAMBER OF THE SAID INTERNAL COMBUSTION ENGINE.
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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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |