US3295038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversing mechanism and circuit for reversing an electric motor and controlling its functions
Assignee: Westinghouse Electric Corp
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Filing: 1964-04-27
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Granted: 1966-12-27
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Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 Harold H Trottman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:28
CPC Classifications
H; H02; H02P; H02P23/00; H02P23/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
IN A LAUNDRY APPLIANCE: A TWO-SPEED REVERSIBLE MOTOR, A FIRST TIMER FOR CONTROLLING THE ORDER AND THE LENGTH OF TIME INTERVALS FOR A PLURALITY OF DIFFERENT APPLIANCE OPERATIONS INCLUDING PERIODIC FORWARD AND REVERSE OPERATIONS OF SAID REVERSIBLE MOTOR AT THE LOWER OF SAID TWO SPEEDS, A REVERSIBLE MOTOR REVERSING UNIT CONTROLLED BY SAID FIRST TIMER INCLUDING A MOTORIZED SECOND TIMER CONNECTED FOR ENERGIZATION THROUGH SAID FIRST TIMER, AND STOPSTART SWITCH MEANS CONTROLLED BY SAID SECOND TIMER FOR STOPPING AND STARTING SAID REVERSIBLE MOTOR, AND REVERSING SWITCH MEANS CONTROLLED BY SAID SECOND TIMER FOR SWITCHING CONNECTIONS TO SAID REVERSIBLE MOTOR WHILE SAID STOP-START SWITCH MEANS IS OPEN TO REVERSE THE DIRECTION OF OPERATION OF SAID REVERSIBLE MOTOR, AND A BYPASS CIRCUIT FOR ENERGIZING SAID SECOND TIMER AFTER ITS SAID ENERGIZING CONNECTION FROM SAID TIMER IS OPENED AND UNTIL SAID REVERSING SWITCH MEANS HAS ESTABLISHED CONNECTIONS TO DRIVE SAID REVERSIBLE MOTOR IN A PREDETERMINED DIRECTION, SAID BYPASS CIRCUIT INCLUDING SAID REVERSING SWITCH MEANS SO THAT ENERGIZATION OF SAID SECOND TIMER THROUGH SAID BYPASS CIRCUIT IS TERMINATED WHEN SAID REVERSING SWITCH MEANS IS ACTUATED TO A POSITION ESTABLISHING SAID CONNECTIONS TO DRIVE SAID REVERSIBLE MOTOR IN SAID PREDETERMINED DIRECTION.
Claim 2
Dependent Claim
196 words
IN A LAUNDRY APPLIANCE: A TWO-SPEED REVERSIBLE MOTOR, A FIRST TIMER FOR CONTROLLING THE ORDER AND THE LENGTH OF TIME INTERVALS FOR A PLURALITY OF DIFFERENT APPLIANCE OPERATIONS INCLUDING PERIODIC FORWARD AND REVERSE OPERATIONS OF SAID REVERSIBLE MOTOR AT THE LOWER OF SAID TWO SPEEDS, A REVERSIBLE MOTOR REVERSING UNIT CONTROLLED BY SAID FIRST TIMER INCLUDING A MOTORIZED SECOND TIMER CONNECTED FOR ENERGIZATION THROUGH SAID FIRST TIMER, AND STOPSTART SWITCH MEANS CONTROLLED BY SAID SECOND TIMER FOR STOPPING AND STARTING SAID REVERSIBLE MOTOR, AND REVERSING SWITCH MEANS CONTROLLED BY SAID SECOND TIMER FOR SWITCHING CONNECTIONS TO SAID REVERSIBLE MOTOR WHILE SAID STOP-START SWITCH MEANS IS OPEN TO REVERSE THE DIRECTION OF OPERATION OF SAID REVERSIBLE MOTOR, AND A BYPASS CIRCUIT FOR ENERGIZING SAID SECOND TIMER AFTER ITS SAID ENERGIZING CONNECTION FROM SAID TIMER IS OPENED AND UNTIL SAID REVERSING SWITCH MEANS HAS ESTABLISHED CONNECTIONS TO DRIVE SAID REVERSIBLE MOTOR IN A PREDETERMINED DIRECTION, SAID BYPASS CIRCUIT INCLUDING SAID REVERSING SWITCH MEANS SO THAT ENERGIZATION OF SAID SECOND TIMER THROUGH SAID BYPASS CIRCUIT IS TERMINATED WHEN SAID REVERSING SWITCH MEANS IS ACTUATED TO A POSITION ESTABLISHING SAID CONNECTIONS TO DRIVE SAID REVERSIBLE MOTOR IN SAID PREDETERMINED DIRECTION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |