US3264542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-speed single-phase motor
Assignee: Westinghouse Electric Corp
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Filing: 1963-06-28
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Granted: 1966-08-02
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 John C Burdett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:42
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A MULTI-SPEED SINGLE-PHASE INDUCTION MOTOR HAVING A MAIN PRIMARY WINDING, A BOOSTER WINDING HAVING AT LEAST ONE SECTION CONNECTED IN SERIES WITH THE MAIN WINDING, AN AUXILIARY WINDING CIRCUIT INCLUDING AN AUXILIARY PRIMARY WINDING AND A CAPACITOR CONNECTED IN SERIES THEREWITH, SAID AUXILIARY WINDING HAVING A TERMINAL CONNECTION AND A TAP CONNECTION, AND MEANS FOR CONNECTING THE MAIN WINDING AND THE AUXILIARY WINDING CIRCUIT IN PARALLEL TO A SINGLE-PHASE LINE, SAID CONNECTING MEANS INCLUDING MEANS FOR ALTERNATELY CONNECTING THE MAIN WINDING ALONG OR WITH ONE OR MORE SECTIONS OF THE BOOSTER WINDING IN SERIES THEREWITH AND FOR CONNECTING EITHER THE TERMINAL CONNECTION OR THE TAP CONNECTION OF THE AUXILIARY WINDING, TO OBTAIN OPERATION OF THE MOTOR AT ANY ONE OF A PLURALITY OF SPEEDS.
Claim 2
Dependent Claim
124 words
A MULTI-SPEED SINGLE-PHASE INDUCTION MOTOR HAVING A MAIN PRIMARY WINDING, A BOOSTER WINDING HAVING AT LEAST ONE SECTION CONNECTED IN SERIES WITH THE MAIN WINDING, AN AUXILIARY WINDING CIRCUIT INCLUDING AN AUXILIARY PRIMARY WINDING AND A CAPACITOR CONNECTED IN SERIES THEREWITH, SAID AUXILIARY WINDING HAVING A TERMINAL CONNECTION AND A TAP CONNECTION, AND MEANS FOR CONNECTING THE MAIN WINDING AND THE AUXILIARY WINDING CIRCUIT IN PARALLEL TO A SINGLE-PHASE LINE, SAID CONNECTING MEANS INCLUDING MEANS FOR ALTERNATELY CONNECTING THE MAIN WINDING ALONG OR WITH ONE OR MORE SECTIONS OF THE BOOSTER WINDING IN SERIES THEREWITH AND FOR CONNECTING EITHER THE TERMINAL CONNECTION OR THE TAP CONNECTION OF THE AUXILIARY WINDING, TO OBTAIN OPERATION OF THE MOTOR AT ANY ONE OF A PLURALITY OF SPEEDS.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |