US3196797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamic thrust electromagnetic compressor, particularly suitable for compressing liquid or gaseous substances
Assignee: MARIO PAGANO SpA
•
Filing: 1962-03-19
•
Granted: 1965-07-27
•
Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Marini Aldo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:15
CPC Classifications
H; H02; H02K; H02K33/00; H02K33/12; F; F04; F04B; F04B35/00; F04B35/04; F04B35/045; F04B39/00; F04B39/0005; F04B39/0016; F04B39/10; F04B39/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN ELECTROMAGNETIC COMPRESSOR COMPRSING A CYLINDER HAVING TWO COUNTERPOSED COMPRESSION CHAMBERS, A PASSAGE FROM EACH END OF SAID CYLINDER TO ITS ASSOCIATED COMPRESSION CHAMBER, A CORE SLIDABLY MOUNTED IN SAID CYLINDER, A PISTON MOUNTED AT EACH END OF SAID CORE ALSO SLIDABLE IN SAID CYLINDER COOPERATING WITH SAID COMPRESSION CHAMBERS, A VALVE CONTROLLING EACH OF SAID PASSAGES, A PAIR OF SOLENOIDS MOUNTED UPON SAID CYLINDER TO RECIPROCATE SAID CORE AND SAID PISTONS BY MEANS OF ALTERNATING CURRENT FED THROUGH TWO UNDIRECTIONAL RECTIFIERS, A CHANNELS IN SAID CYLINDER TO ALLOW THE PASSAGE OF THE FLUID TO BE COMPRESSED UPON TO A POINT WHERE EACH PISTON HAS MOVED THROUGH A CERTAIN STROKE, A CENTRAL MANIFOLD, AND AN ADMISSION DUCT CONNECTING SAID MANIFOLD TO SAID CHANNELS.
Claim 2
Dependent Claim
123 words
AN ELECTROMAGNETIC COMPRESSOR COMPRSING A CYLINDER HAVING TWO COUNTERPOSED COMPRESSION CHAMBERS, A PASSAGE FROM EACH END OF SAID CYLINDER TO ITS ASSOCIATED COMPRESSION CHAMBER, A CORE SLIDABLY MOUNTED IN SAID CYLINDER, A PISTON MOUNTED AT EACH END OF SAID CORE ALSO SLIDABLE IN SAID CYLINDER COOPERATING WITH SAID COMPRESSION CHAMBERS, A VALVE CONTROLLING EACH OF SAID PASSAGES, A PAIR OF SOLENOIDS MOUNTED UPON SAID CYLINDER TO RECIPROCATE SAID CORE AND SAID PISTONS BY MEANS OF ALTERNATING CURRENT FED THROUGH TWO UNDIRECTIONAL RECTIFIERS, A CHANNELS IN SAID CYLINDER TO ALLOW THE PASSAGE OF THE FLUID TO BE COMPRESSED UPON TO A POINT WHERE EACH PISTON HAS MOVED THROUGH A CERTAIN STROKE, A CENTRAL MANIFOLD, AND AN ADMISSION DUCT CONNECTING SAID MANIFOLD TO SAID CHANNELS.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |