Patent US1341949A successfully refreshed from Google Patents.
US3299671A
Expired / Lapsed
US
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Devices for damping angular velocity fluctuations between two rotating components, one of which drives the other
Assignee: Renault SA
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Filing: 1964-12-28
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Granted: 1967-01-24
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Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Castelet Gaetan De Coye De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:52
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/58; F16D13/60; F16D13/64; F16D13/68; F16D13/644; F16F; F16F15/00; F16F15/10; F16F15/12; F16F15/121; F16F15/123; F16F15/12353; F16F15/1236; F16F15/12366
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
A DEVICE FOR DAMPING ANGULAR VELOCITY FLUCTUATIONS BETWEEN A FIRST ROTATING MEMBER AND A SECOND ROTATING MEMBER WHICH ARE COAXIAL, IN WHICH SAID FIRST MEMBER DRIVES SAID SECOND MEMBER, SAID DEVICE COMPRISING THREE PARALLEL COUPLINGS PROVIDED BETWEEN SAID TWO MEMBERS, THE FIRST OF SAID COUPLING BEING IN THE FORM OF MUTUALLY ENGAGEABLE SPLINES PROVIDED WITH AN ANGULAR BACKLASH OF A FEW DEGREES; THE SECOND OF SAID COUPLINGS BEING IN THE FORM OF A PRE-LOADED COIL SPRING, THE AXIS OF WHICH COINCIDES WITH THAT OF SAID ROTATING MEMBERS AND THE TWO ENDS OF WHICH ARE SO FIXED RESPECTIVELY TO SAID TWO MEMBERS THAT ONE EXTREMITY BE ANGULARLY RIGID WITH ONE OF SAID MEMBERS AND THE OTHER EXTREMITY WITH THE OTHER MEMBER TO CONTINUOUSLY URGE ONE OF SAID MEMBERS INTO A GIVEN DIRECTION OF ROTATION RELATIVE TO THE OTHER; THE THIRD COUPLING BEING IN THE FORM OF A FRICTION-TYPE TORQUE LIMITER WHICH COMPRISES TWO FACING PARALLEL CIRCULAR SURFACES, ONE OF SAID SURFACES BEING PROVIDED ON THE EXTREMITY OF SAID FIRST MEMBER AND THE OTHER ON A FLANGED PORTION OF SAID SECOND MEMBER, AND FRICTION MEANS EXTENDING BETWEEN SAID TWO SURFACES; SAID COIL SPRING URGING SAID SURFACES TOWARDS EACH OTHER.
Claim 2
Independent Claim
197 words
A DEVICE FOR DAMPING ANGULAR VELOCITY FLUCTUATIONS BETWEEN A FIRST ROTATING MEMBER AND A SECOND ROTATING MEMBER WHICH ARE COAXIAL, IN WHICH SAID FIRST MEMBER DRIVES SAID SECOND MEMBER, SAID DEVICE COMPRISING THREE PARALLEL COUPLINGS PROVIDED BETWEEN SAID TWO MEMBERS, THE FIRST OF SAID COUPLING BEING IN THE FORM OF MUTUALLY ENGAGEABLE SPLINES PROVIDED WITH AN ANGULAR BACKLASH OF A FEW DEGREES; THE SECOND OF SAID COUPLINGS BEING IN THE FORM OF A PRE-LOADED COIL SPRING, THE AXIS OF WHICH COINCIDES WITH THAT OF SAID ROTATING MEMBERS AND THE TWO ENDS OF WHICH ARE SO FIXED RESPECTIVELY TO SAID TWO MEMBERS THAT ONE EXTREMITY BE ANGULARLY RIGID WITH ONE OF SAID MEMBERS AND THE OTHER EXTREMITY WITH THE OTHER MEMBER TO CONTINUOUSLY URGE ONE OF SAID MEMBERS INTO A GIVEN DIRECTION OF ROTATION RELATIVE TO THE OTHER; THE THIRD COUPLING BEING IN THE FORM OF A FRICTION-TYPE TORQUE LIMITER WHICH COMPRISES TWO FACING PARALLEL CIRCULAR SURFACES, ONE OF SAID SURFACES BEING PROVIDED ON THE EXTREMITY OF SAID FIRST MEMBER AND THE OTHER ON A FLANGED PORTION OF SAID SECOND MEMBER, AND FRICTION MEANS EXTENDING BETWEEN SAID TWO SURFACES; SAID COIL SPRING URGING SAID SURFACES TOWARDS EACH OTHER.
References Cited (Backward Citations)
US1659311A
Cited
US1716284A
Cited
US1979146A
Cited
US2042570A
Cited
US2745268A
Cited
US3223214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |