Patent US3105153A successfully refreshed from Google Patents.
US3105153A
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Free-piston generator of electric current
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1960-08-05
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Granted: 1963-09-24
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Expires: 1980-08-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:56
CPC Classifications
F; F02; F02B; F02B71/00; F02B71/04; H; H02; H02K; H02K35/00; H02K35/02; H02K7/00; H02K7/18; H02K7/1869; H02K7/1876; H02K7/1884
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A GENERATOR OF ELECTRIC CURRENT COMPRISING: A CYLINDER; INDUCED CURRENT COILS MOUNTED IN RECESSES FORMED IN THE INSIDE PERIMETER OF SAID CYLINDER; A FREE PISTON OF UNIFORM DIAMETER THROUGHOUT ITS LENGTH AND HAVING PERMANENT MAGNETIC MATERIAL ADAPTED TO RECIPROCATE WITHIN THE CYLINDER WHEREBY INDUCED CURRENTS ARE GENERATED BY THE DISPLACEMENT OF THE PISTON; A PAIR OF INLETS IN SAID CYLINDER FOR THE INTRODUCTION INTO SAID CYLINDER OF AN EXPLOSIVE FLUID MIXTURE, SAID INLETS BEING LOCATED SO THAT FLUID MIXTURE EXPLODED IN THE CYLINDER IMPINGES UPON EACH END OF THE PISTON; AND A PAIR OF EXHAUSTS IN SAID CYLINDER.
Claim 2
Dependent Claim
98 words
A GENERATOR OF ELECTRIC CURRENT COMPRISING: A CYLINDER; INDUCED CURRENT COILS MOUNTED IN RECESSES FORMED IN THE INSIDE PERIMETER OF SAID CYLINDER; A FREE PISTON OF UNIFORM DIAMETER THROUGHOUT ITS LENGTH AND HAVING PERMANENT MAGNETIC MATERIAL ADAPTED TO RECIPROCATE WITHIN THE CYLINDER WHEREBY INDUCED CURRENTS ARE GENERATED BY THE DISPLACEMENT OF THE PISTON; A PAIR OF INLETS IN SAID CYLINDER FOR THE INTRODUCTION INTO SAID CYLINDER OF AN EXPLOSIVE FLUID MIXTURE, SAID INLETS BEING LOCATED SO THAT FLUID MIXTURE EXPLODED IN THE CYLINDER IMPINGES UPON EACH END OF THE PISTON; AND A PAIR OF EXHAUSTS IN SAID CYLINDER.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |