Automatic brake control system
First Claim
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1. A BRAKE-CONTROL SYSTEM FOR A VEHICLE HAVING AT LEAST FIRST AND SECOND PRINCIPAL LOAD-SUPPORTING WHEELS EACH HAVING ASSOCIATED BRAKE MEANS, SAID SYSTEM COMPRISING:
- FIRST MEANS INCLUDING AT EACH OF THE SAID FIRST AND SECOND WHEELS RESPECTIVE CONDUCTOR MEANS FURNISHING ELECTRIC ENERGY AND A RESPECTIVE ELECTRIC ENERGY MODULATING MEANS EFFECTIVE TO FREQUENCY-MODULATED THE SUPPLIED ELECTRIC ENERGY AT FREQUENCIES PROPORTIONAL TO INSTANTANEOUS ROTATIONAL WHEEL SPEEDS AND ALSO INCLUDING RESPECTIVE ELECTRIC BRAKE-APPLICATION CONTROL MEANS FOR CONTROLLING THE CORRESPONDING BRAKE MEANS, SECOND MEANS INCLUDING IN ELECTRICAL ASSOCIATION WITH EACH OF SAID FIRST MEANS A RESPECTIVE ELECTRIC MEANS INCLUDING A CIRCUIT MEANS RESPONSIVE TO MODULATION OF SAID SUPPLIED ELECTRIC ENERGY TO PROVIDE AND STORE A RESPECTIVE ELECTRIC CHARGE OF POTENTIAL PROPORTIONAL TO THE REQUENCY OF MODULATION OF THE RESPECTIVE ELECTRIC ENERGY, THIRD MEANS INCLUDING ELECTRIC CIRCUIT MEANS COMMON TO ALL SAID ELECTRIC MEANS AND INCLUDING A REFERENCE CHARGE-STORING MEANS CONNECTED TO EACH OF SAID SEVERAL ELECTRIC MEANS AND EFFECTIVE TO BE CHARGED TO A REFERENCE POTENTIAL EQUAL TO THE HIGHEST INSTANTANEOUS POTENTIAL AMONG THE STORED CHARGES OF SAID SEVERAL CIRCUIT MEANS, AND FOURTH MEANS COMPRISING CONTROL MEANS INCLUDNG MEANS FIR DISSIPATING THE CHARGE OF SAID REFERENCE CHARGE-STORING MEANS AT A PREDETERMINED RATE AND INCLUDING ALSO MEANS RESPONSIVE TO A DIFFERENCE OF POTENTIAL BETWEEN SAID REFERENCE POTENTIAL AND THAT OF AN ELECTRIC CHARGE STORED IN ONE OF SAID CIRCUIT MEANS AND EFFECTIVE TO APPLY ELECTRIC ENERGY TO THE CORRESPONDING BRAKE-APPLICATION CONTROL MEANS OF THE CORRESPONDING WHEEL TO DECREASE THE BRAKING EFFORT THEREOF, THEREBY TO EQUALIZE THE ROTATIONAL SPEED OF SAID WHEELS.
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1 Claim
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1. A BRAKE-CONTROL SYSTEM FOR A VEHICLE HAVING AT LEAST FIRST AND SECOND PRINCIPAL LOAD-SUPPORTING WHEELS EACH HAVING ASSOCIATED BRAKE MEANS, SAID SYSTEM COMPRISING:
- FIRST MEANS INCLUDING AT EACH OF THE SAID FIRST AND SECOND WHEELS RESPECTIVE CONDUCTOR MEANS FURNISHING ELECTRIC ENERGY AND A RESPECTIVE ELECTRIC ENERGY MODULATING MEANS EFFECTIVE TO FREQUENCY-MODULATED THE SUPPLIED ELECTRIC ENERGY AT FREQUENCIES PROPORTIONAL TO INSTANTANEOUS ROTATIONAL WHEEL SPEEDS AND ALSO INCLUDING RESPECTIVE ELECTRIC BRAKE-APPLICATION CONTROL MEANS FOR CONTROLLING THE CORRESPONDING BRAKE MEANS, SECOND MEANS INCLUDING IN ELECTRICAL ASSOCIATION WITH EACH OF SAID FIRST MEANS A RESPECTIVE ELECTRIC MEANS INCLUDING A CIRCUIT MEANS RESPONSIVE TO MODULATION OF SAID SUPPLIED ELECTRIC ENERGY TO PROVIDE AND STORE A RESPECTIVE ELECTRIC CHARGE OF POTENTIAL PROPORTIONAL TO THE REQUENCY OF MODULATION OF THE RESPECTIVE ELECTRIC ENERGY, THIRD MEANS INCLUDING ELECTRIC CIRCUIT MEANS COMMON TO ALL SAID ELECTRIC MEANS AND INCLUDING A REFERENCE CHARGE-STORING MEANS CONNECTED TO EACH OF SAID SEVERAL ELECTRIC MEANS AND EFFECTIVE TO BE CHARGED TO A REFERENCE POTENTIAL EQUAL TO THE HIGHEST INSTANTANEOUS POTENTIAL AMONG THE STORED CHARGES OF SAID SEVERAL CIRCUIT MEANS, AND FOURTH MEANS COMPRISING CONTROL MEANS INCLUDNG MEANS FIR DISSIPATING THE CHARGE OF SAID REFERENCE CHARGE-STORING MEANS AT A PREDETERMINED RATE AND INCLUDING ALSO MEANS RESPONSIVE TO A DIFFERENCE OF POTENTIAL BETWEEN SAID REFERENCE POTENTIAL AND THAT OF AN ELECTRIC CHARGE STORED IN ONE OF SAID CIRCUIT MEANS AND EFFECTIVE TO APPLY ELECTRIC ENERGY TO THE CORRESPONDING BRAKE-APPLICATION CONTROL MEANS OF THE CORRESPONDING WHEEL TO DECREASE THE BRAKING EFFORT THEREOF, THEREBY TO EQUALIZE THE ROTATIONAL SPEED OF SAID WHEELS.
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Current AssigneeBernard B. Thompson, Donald J O'Connell
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Original AssigneeBernard B. Thompson, Donald J O'Connell
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InventorsThompson, Bernard B., O'connell, Donald J.
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Application NumberUS04/217,509Time in Patent Office1,357 DaysField of SearchUS Class Current303/189CPC Class CodesB60T 8/1703 for aircraftsB64C 25/42 Arrangement or adaptation o...G01P 3/488 delivered by variable reluc...
