US3394967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for control of braking of a vehicle on pneumatic tire wheels
Assignee: Recherches Etudes Production REP SARL
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Filing: 1966-05-09
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Granted: 1968-07-30
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Expires: 1986-05-09
Abstract
No abstract record available.
Inventors
- 👤 Lucien Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:53
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/34; B60T8/36; B60T8/3695; B60T8/17; B60T8/1701; B60T8/1703; B60T8/176; B60T8/1763; B60T8/17633; B60T8/321; B60T8/325; B60T8/3255; B60T8/326
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A DEVICE FOR THE HYDRAULIC CONTROL OF THE BRAKING ELEMENT OF A VEHICLE ON PNEUMATIC WHEELS, SAID DEVICE COMPRISING AN ACTUATOR FOR THE BRAKING ELEMENTS OF A VEHICLE, MEANS INCLUDING A POTENTIOMETER COUPLED TO THE ACTUATOR FOR PRODUCING A FIRST ELECTRICAL SIGNAL IN RELATION TO THE DEGREE OF OPERATION OF THE ACTUATOR, MEANS FOR MEASURING THE SPEED OF THE VEHICLE AND DELIVERING A SECOND ELECTRICAL SIGNAL RELATED THERETO, MEANS FOR MEASURING THE SPEED OF THE BRAKED WHEEL AND DELIVERING A THIRD ELECTRICAL SIGNAL RELATED THERETO, AN ELECTROHYDRAULIC TRANSDUCER COUPLED TO THE BRAKING ELEMENTS AND INCLUDING THREE COILS, THE FIRST COIL RECEIVING THE FIRST SIGNAL, THE SECOND COIL PRODUCING A CURRENT FLOW IN A DIRECTION OPPOSITE TO THE FLOW OF THE FIRST COIL AND RECEIVING THE SECOND SIGNAL, THE THIRD COIL PRODUCING A CURRENT FLOW IN THE SAME DIRECTION AS THE FLOW OF THE FIRST COIL AND RECEIVING THE THIRD SIGNAL, SAID TRANSDUCER SENDING TO THE BRAKING ELEMENTS A PRESSURE PROPORTIONAL TO THE SUM OF SAID CURRENT FLOWS.
Claim 2
Independent Claim
167 words
A DEVICE FOR THE HYDRAULIC CONTROL OF THE BRAKING ELEMENT OF A VEHICLE ON PNEUMATIC WHEELS, SAID DEVICE COMPRISING AN ACTUATOR FOR THE BRAKING ELEMENTS OF A VEHICLE, MEANS INCLUDING A POTENTIOMETER COUPLED TO THE ACTUATOR FOR PRODUCING A FIRST ELECTRICAL SIGNAL IN RELATION TO THE DEGREE OF OPERATION OF THE ACTUATOR, MEANS FOR MEASURING THE SPEED OF THE VEHICLE AND DELIVERING A SECOND ELECTRICAL SIGNAL RELATED THERETO, MEANS FOR MEASURING THE SPEED OF THE BRAKED WHEEL AND DELIVERING A THIRD ELECTRICAL SIGNAL RELATED THERETO, AN ELECTROHYDRAULIC TRANSDUCER COUPLED TO THE BRAKING ELEMENTS AND INCLUDING THREE COILS, THE FIRST COIL RECEIVING THE FIRST SIGNAL, THE SECOND COIL PRODUCING A CURRENT FLOW IN A DIRECTION OPPOSITE TO THE FLOW OF THE FIRST COIL AND RECEIVING THE SECOND SIGNAL, THE THIRD COIL PRODUCING A CURRENT FLOW IN THE SAME DIRECTION AS THE FLOW OF THE FIRST COIL AND RECEIVING THE THIRD SIGNAL, SAID TRANSDUCER SENDING TO THE BRAKING ELEMENTS A PRESSURE PROPORTIONAL TO THE SUM OF SAID CURRENT FLOWS.
References Cited (Backward Citations)
US3131975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |