US3127531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor protection arrangement
Assignee: Carrier Corp
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Filing: 1961-11-10
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Granted: 1964-03-31
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Expires: 1981-11-10
Abstract
No abstract record available.
Inventors
- 👤 Dwight L Tothero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:50
CPC Classifications
H; H02; H02K; H02K11/00; H02K11/20; H02K11/25; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A HERMETICALLY-ENCLOSED SINGLE PHASE INDUCTION MOTOR ADAPTED TO BE CONNECTED TO A SOURCE OF CURRENT, SAID MOTOR INCLUDING A STATOR AND A ROTOR INDUCTIVELY RELATED THERETO, THE COMBINATION OF A MAIN WINDING, A START WINDING, AND MEANS FOR PROTECTING THE MOTOR FROM ADVERSE CONDITIONS OF TEMPERATURE OR CURRENT, SAID PROTECTING MEANS COMPRISING A HEAT CONDUCTIVE STRAP DISPOSED IN A STATOR WINDING, SAID CONDUCTIVE STRAP BEING ELECTRICALLY CONNECTED TO SAID STATOR WINDING, AND A THERMOSTAT HAVING AN ELECTRICALLY CONDUCTIVE CASING DETACHABLY SECURED TO THE CONDUCTIVE STRAP AND BEING IN CURRENT CONDUCTING RELATIONSHIP THERETO, SAID THERMOSTAT HAVING A SINGLE TERMINAL EXTENDING THEREFROM AND CONNECTED TO SAID SOURCE OF CURRENT.
Claim 2
Dependent Claim
108 words
IN A HERMETICALLY-ENCLOSED SINGLE PHASE INDUCTION MOTOR ADAPTED TO BE CONNECTED TO A SOURCE OF CURRENT, SAID MOTOR INCLUDING A STATOR AND A ROTOR INDUCTIVELY RELATED THERETO, THE COMBINATION OF A MAIN WINDING, A START WINDING, AND MEANS FOR PROTECTING THE MOTOR FROM ADVERSE CONDITIONS OF TEMPERATURE OR CURRENT, SAID PROTECTING MEANS COMPRISING A HEAT CONDUCTIVE STRAP DISPOSED IN A STATOR WINDING, SAID CONDUCTIVE STRAP BEING ELECTRICALLY CONNECTED TO SAID STATOR WINDING, AND A THERMOSTAT HAVING AN ELECTRICALLY CONDUCTIVE CASING DETACHABLY SECURED TO THE CONDUCTIVE STRAP AND BEING IN CURRENT CONDUCTING RELATIONSHIP THERETO, SAID THERMOSTAT HAVING A SINGLE TERMINAL EXTENDING THEREFROM AND CONNECTED TO SAID SOURCE OF CURRENT.
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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |