Electronic control system for antiskid vehicle brakes
Abstract
Abstract AN ANTISKID BRAKE SYSTEM FOR WHEELED VEHICLES COMPRISING A BRAKE PRESSURE MODULATOR FOR THE VEHICLE WHEEL BRAKES WHICH RESPONDS TO WHEEL SLIP AT THE WHEEL ROAD INTERFACE, THE WHEEL SLIP BEING DETERMINED BY A SLIP DETECTING SYSTEM COMPRISING TWO INDEPENDENT CONTROL SIGNAL SOURCES, ONE SIGNAL BEING PROPORTIONAL TO VEHICLE WHEEL SPEED AND THE OTHER BEING A SYNTHESIZED VEHICLE VELOCITY SIGNAL RESULTING FROM INTEGRATION OF A DECLERATION SIGNAL, AND A FAST ACTING FEEDBACK SYSTEM THAT INDUCES A CORRECTION IN ATICIPATION OF THE CONTROL SYSTEM RESPONSEAT THE WHEEL BRAKES, THEREBY AVOIDING AN INSTANTANEOUS PERIODIC LOCKING OF THE BRAKES SYSTEM DURING THE VEHICLE BRAKING MODE OF OPERATION AS INCIPIENT SKIDDING OCCURS.
Inventors
- 👤 Zbigniew J Jania
- 👤 Lawrence J Vanderberg
Bibliographic Details
Claims Analysis
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |