US3559016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent split capacitor motor having starting current control
Assignee: Carrier Corp
•
Filing: 1969-07-17
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Granted: 1971-01-26
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Expires: 1989-07-17
Abstract
Abstract A PERMANENT SPLIT CAPACITOR MOTOR IS PROVIDED WITH A CIRCUIT HAVING A CAPACITOR TO THE AUXILIARY WINDING. THE CIRCUIT TO THE MAIN WINDING INCLUDES A CURRENT LIMITING NEGATIVE THERMISTOR AND BYPASS MEANS FOR THE THERMISTOR, THE BYPASS MEANS INCLUDES A BIMETAL SWITCH WHICH IS QUICKLY CLOSED WHEN SUBJECT TO THE THERMISTOR HEAT WHICH RESULTS AS THE MOTOR APPROACHES FULL STARTING SPEED. A SMALL RESISTANCE IN SERIES WITH THE BIMETAL SWITCH KEEPS THE SWITCH CLOSED.
Inventors
- 👤 Karl M Gerteis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:57
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/04; H02K17/08; H02P; H02P1/00; H02P1/16; H02P1/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |