US3316031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic braking system distributor with damping means
Assignee: Automobiles Citroen SA
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Filing: 1965-07-19
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Granted: 1967-04-25
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Expires: 1985-07-19
Abstract
No abstract record available.
Inventors
- 👤 Henry-Biabaud Edmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:48
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/34; B60T8/40; B60T8/4004; B60T13/00; B60T13/10; B60T13/12; B60T13/14; B60T13/141; B60T8/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
DISTRIBUTOR OF A HYDRAULIC BRAKING SYSTEM OF A VEHICLE WHICH IS RESPONSIVE TO A BRAKE PEDAL, SAID DISTRIBUTOR BEING DISPOSED BETWEEN A SOURCE OF FLUID UNDER PRESSURE AND AT LEAST ONE BRAKE CYLINDER AND COMPRISING A BODY, A BORE FORMED IN SAID BODY, A SLIDE VALVE MOVABLE IN SAID BORE BETWEEN AN INOPERATIVE POSITION AND A BRAKING POSITION AND RESPONSIVE TO SAID BRAKE PEDAL, A CHAMBER FORMED IN SAID DISTRIBUTOR BODY, SAID BORE LEADING INTO SAID CHAMBER THROUGH AN ORIFICE, THE END OF SAID SLIDE VALVE, IN THE INOPERATIVE POSITION OF SAID SLIDE VALVE, BEING SPACED FROM SAID ORIFICE, A VIBRATION DAMPING PISTON HOUSED IN SAID CHAMBER AND SPACED FROM SAID SLIDE VALVE, A SPRING DISPOSED IN SAID CHAMBER AND URGING SAID PISTON AGAINST SAID ORIFICE OF SAID BORE IN WHICH SAID SLIDE VALVE IS MOUNTED, WHEREBY SAID SLIDE VALVE WILL ENGAGE AND MOVE SAID DAMPING PISTON ONLY DURING THE LAST FRACTION OF THE SLIDE VALVE STROKE TO ITS BRAKING POSITION.
Claim 2
Dependent Claim
161 words
DISTRIBUTOR OF A HYDRAULIC BRAKING SYSTEM OF A VEHICLE WHICH IS RESPONSIVE TO A BRAKE PEDAL, SAID DISTRIBUTOR BEING DISPOSED BETWEEN A SOURCE OF FLUID UNDER PRESSURE AND AT LEAST ONE BRAKE CYLINDER AND COMPRISING A BODY, A BORE FORMED IN SAID BODY, A SLIDE VALVE MOVABLE IN SAID BORE BETWEEN AN INOPERATIVE POSITION AND A BRAKING POSITION AND RESPONSIVE TO SAID BRAKE PEDAL, A CHAMBER FORMED IN SAID DISTRIBUTOR BODY, SAID BORE LEADING INTO SAID CHAMBER THROUGH AN ORIFICE, THE END OF SAID SLIDE VALVE, IN THE INOPERATIVE POSITION OF SAID SLIDE VALVE, BEING SPACED FROM SAID ORIFICE, A VIBRATION DAMPING PISTON HOUSED IN SAID CHAMBER AND SPACED FROM SAID SLIDE VALVE, A SPRING DISPOSED IN SAID CHAMBER AND URGING SAID PISTON AGAINST SAID ORIFICE OF SAID BORE IN WHICH SAID SLIDE VALVE IS MOUNTED, WHEREBY SAID SLIDE VALVE WILL ENGAGE AND MOVE SAID DAMPING PISTON ONLY DURING THE LAST FRACTION OF THE SLIDE VALVE STROKE TO ITS BRAKING POSITION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |