US3226620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starting arrangement
Assignee: Motors Liquidation Co
•
Filing: 1962-08-16
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Granted: 1965-12-28
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Expires: 1982-08-16
Abstract
No abstract record available.
Inventors
- 👤 James O Elliott
- 👤 Daniel L Frank
- 👤 Robert W Leland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:13
CPC Classifications
H; H02; H02P; H02P1/00; H02P1/16; H02P1/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN A STARTING ARRANGEMENT HAVING A MOTOR MEANS WITH A ROTOR PORTION AS WELL AS PHASE AND MAIN INDUCTIVE WINDING PORTIONS ENERGIZED FROM A POWER SOURCE THROUGH CONNECTIONS INCLUDING AN INDUCTIVE TRANSFORMER MEANS HAVING A PRIMARY PORTION IN SERIES WITH THE MAIN WINDING PORTION AS WELL AS A PAIR OF SECONDARY TRANSFORMER PORPUT THEREOF TO A PAIR OF BACK-TO-BACK CONNECTED SEMICONDUCTOR MEANS TRIGGERED BY SIGNALS FROM SAID INDUCTIVE CONDUCTOR MEANS TRIGGERED BY SIGNALS FROM SAID INDUCTIVE TRANSFORMER MEANS DURING START ENERGIZATION OF SAID INDUCTIVE WINDING PORTIONS, THE IMPROVEMENT WHICH COMPRISES A STARTING CAPACITANCE MEANS IN SERIES WITH SAID PHASE WINDING PORTION BOTH FOR STARTING PHASE SHIFT AND FOR OFFSET OF LAGGING ELECTRICAL CHARACTERISTIC DUE TO SAID INDUCTIVE TRANSFORMER MEANS AND SAID INDUCTIVE WINDING PORTIONS WHICH TOGETHER CAUSE DIFFICULTY IN PROPERLY TRIGGERED RELATIONSHIP OF THE BACK-TO-BACK CONNECTED SEMICONDUCTOR MEANS, SAID CAPACITANCE MEANS HAVING CONNECTION TO ONE SIDE THEREOF DIRECTLY TO BACK-TO-BACK SEMI-CONDUCTOR MEANS OUTPUT CONNECTION.
Claim 2
Dependent Claim
154 words
IN A STARTING ARRANGEMENT HAVING A MOTOR MEANS WITH A ROTOR PORTION AS WELL AS PHASE AND MAIN INDUCTIVE WINDING PORTIONS ENERGIZED FROM A POWER SOURCE THROUGH CONNECTIONS INCLUDING AN INDUCTIVE TRANSFORMER MEANS HAVING A PRIMARY PORTION IN SERIES WITH THE MAIN WINDING PORTION AS WELL AS A PAIR OF SECONDARY TRANSFORMER PORPUT THEREOF TO A PAIR OF BACK-TO-BACK CONNECTED SEMICONDUCTOR MEANS TRIGGERED BY SIGNALS FROM SAID INDUCTIVE CONDUCTOR MEANS TRIGGERED BY SIGNALS FROM SAID INDUCTIVE TRANSFORMER MEANS DURING START ENERGIZATION OF SAID INDUCTIVE WINDING PORTIONS, THE IMPROVEMENT WHICH COMPRISES A STARTING CAPACITANCE MEANS IN SERIES WITH SAID PHASE WINDING PORTION BOTH FOR STARTING PHASE SHIFT AND FOR OFFSET OF LAGGING ELECTRICAL CHARACTERISTIC DUE TO SAID INDUCTIVE TRANSFORMER MEANS AND SAID INDUCTIVE WINDING PORTIONS WHICH TOGETHER CAUSE DIFFICULTY IN PROPERLY TRIGGERED RELATIONSHIP OF THE BACK-TO-BACK CONNECTED SEMICONDUCTOR MEANS, SAID CAPACITANCE MEANS HAVING CONNECTION TO ONE SIDE THEREOF DIRECTLY TO BACK-TO-BACK SEMI-CONDUCTOR MEANS OUTPUT CONNECTION.
References Cited (Backward Citations)
US3071717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |