Antiskid system
Abstract
Abstract AN ANTISKID SYSTEM FOR A VEHICLE INCLUDING A ANTISKID COMPUTER RESPONSIVE TO ONE OR MORE SKID PARAMETERS FOR PROVIDING AN ELECTRICAL CONTROL SIGNAL AND A MOVABLE VALVE MEMBER FOR CONTROLLING THE PRESSURE OF THE FLUID SUPPLIED TO THE BRAKES OF THE VEHICLE TO THEREBY CONTROL THE BRAKING FORCE. A POSITION TRANSDUCER PROVIDES A POSITION FEEDBACK SIGNAL VARIABLE IN ACCORDANCE WITH THE POSITION OF THE VALVE ELEMENT AND A PRESSURE TRANSDUCER PROVIDES A PRESSURE FEEDBACK SIGNAL VARIABLE IN RESPONSE TO THE ABSOLUTE PRESSURE OF THE FLUID SUPPLIED TO THE BRAKE. ALL OF THESE SIGNALS ARE COMBINED TO PROVIDE A RESULTANT SIGNAL AND A CONTROL DEVICE RESPONSIVE TO THE RESULTANT SIGNAL CONTROLS THE POSITION OF THE VALVE ELEMENT TO THEREBY CONTROL THE PRESSURE OF THE FLUID SUPPLIED TO THE BRAKE.
Inventors
- 👤 Curtis Edgar Stevens
Bibliographic Details
Claims Analysis
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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) | 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 |