US3235036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake control system
Assignee: Research Corp
•
Filing: 1962-10-31
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Granted: 1966-02-15
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang E Meyer
- 👤 Robert M Vijuk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:34
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/17; B60T8/1701; B60T8/1703; B60T8/1705; B60T8/32; B60T8/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A SYSTEM FOR CONTROLLING THE BRAKING TORQUE OF FRICTION BRAKES COOPERATING WITH A GROUND ENGAGING WHEEL WHEREBY THE BRAKING TORQUE IS PREVENTED FROM EXCEEDING A VALUE CORRESPONDING TO THE POINT OF CRITICAL SLIP BETWEEN THE WHEEL AND THE GROUND INCLUDING BRAKE APPLYING MEANS, MEANS FOR GENERATING AN OSCILLATORY CONTROL SIGNAL, MEANS FOR MODULATING A PORTION OF SAID OSCILLATORY CONTROL SIGNAL TO GENERATE AN OSCILLATORY SIGNAL VARYING WITH THE EFFECT OF THE BRAKING FORCE ON THE WHEEL TO BE BRAKED, MEANS FOR COMPARING THE OSCILLATORY SIGNAL AND THE OSCILLATORY CONTROL SIGNAL, AND MEANS RESPONSIVE TO THE OUTPUT OF THE COMPARING MEANS FOR ADJUSTING THE BRAKE APPLYING MEANS AT LEAST WHEN THE OUTPUT OF THE COMPARATOR CORRESPONDS TO A VALUE EXCEEDING THE POINT OF CRITICAL SLIP BETWEEN THE WHEEL AND THE GROUND.
Claim 2
Independent Claim
130 words
A SYSTEM FOR CONTROLLING THE BRAKING TORQUE OF FRICTION BRAKES COOPERATING WITH A GROUND ENGAGING WHEEL WHEREBY THE BRAKING TORQUE IS PREVENTED FROM EXCEEDING A VALUE CORRESPONDING TO THE POINT OF CRITICAL SLIP BETWEEN THE WHEEL AND THE GROUND INCLUDING BRAKE APPLYING MEANS, MEANS FOR GENERATING AN OSCILLATORY CONTROL SIGNAL, MEANS FOR MODULATING A PORTION OF SAID OSCILLATORY CONTROL SIGNAL TO GENERATE AN OSCILLATORY SIGNAL VARYING WITH THE EFFECT OF THE BRAKING FORCE ON THE WHEEL TO BE BRAKED, MEANS FOR COMPARING THE OSCILLATORY SIGNAL AND THE OSCILLATORY CONTROL SIGNAL, AND MEANS RESPONSIVE TO THE OUTPUT OF THE COMPARING MEANS FOR ADJUSTING THE BRAKE APPLYING MEANS AT LEAST WHEN THE OUTPUT OF THE COMPARATOR CORRESPONDS TO A VALUE EXCEEDING THE POINT OF CRITICAL SLIP BETWEEN THE WHEEL AND THE GROUND.
References Cited (Backward Citations)
US2277035A
Cited
US2907607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |