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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
•
Filing: 1964-04-27
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Granted: 1966-12-27
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Expires: 1984-04-27
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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.

References Cited (Backward Citations)

US1592390A Cited
US2448120A Cited
US2696580A Cited
US3044000A Cited
US3011079A Cited
US3185867A Cited
US3181048A Cited

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

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