US3219919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Static inverter
Assignee: Borg Warner Corp
•
Filing: 1962-11-13
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Granted: 1965-11-23
•
Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Edward M Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:19
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/505; H02M7/515
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN AN ELECTRICAL CIRCUIT FOR PROVIDING AN ALTERNATING OUTPUT VOLTAGE, THE COMBINATION OF A TRANSFORMER HAVING AN INPUT WINDING AND AN OUTPUT WINDING, A CAPACITOR COUPLED ACROSS ONE OF SAID WINDINGS, A SATURABLE REACTOR ALSO COUPLED ACROSS ONE OF SAID WINDINGS MEANS FOR ESTABLISHING A REFERENCE VOLTAGE WITH RESPECT TO SAID OUTPUT WINDING, MEANS FOR COMPARING THE OUTPUT VOLTAGE WITH SAID REFERENCE VOLTAGE FOR DETERMINING A DIFFERENCE VOLTAGE, AND MEANS FOR UTILIZING SAID DIFFERENCE VOLTAGE FOR CONTROLLING THE INDUCTANCE OF SAID REACTOR FOR THEREBY REGULATING SAID OUTPUT VOLTAGE.
Claim 2
Dependent Claim
88 words
IN AN ELECTRICAL CIRCUIT FOR PROVIDING AN ALTERNATING OUTPUT VOLTAGE, THE COMBINATION OF A TRANSFORMER HAVING AN INPUT WINDING AND AN OUTPUT WINDING, A CAPACITOR COUPLED ACROSS ONE OF SAID WINDINGS, A SATURABLE REACTOR ALSO COUPLED ACROSS ONE OF SAID WINDINGS MEANS FOR ESTABLISHING A REFERENCE VOLTAGE WITH RESPECT TO SAID OUTPUT WINDING, MEANS FOR COMPARING THE OUTPUT VOLTAGE WITH SAID REFERENCE VOLTAGE FOR DETERMINING A DIFFERENCE VOLTAGE, AND MEANS FOR UTILIZING SAID DIFFERENCE VOLTAGE FOR CONTROLLING THE INDUCTANCE OF SAID REACTOR FOR THEREBY REGULATING SAID OUTPUT VOLTAGE.
References Cited (Backward Citations)
US2800625A
Cited
US2914720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |