US3126079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodynamic device with lock-up clutch
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:12
CPC Classifications
F; F16; F16H; F16H45/00; F16H45/02; F16H61/00; F16H61/14; Y; Y10; Y10S; Y10S74/00; Y10S74/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A HYDRODYNAMIC DEVICE INCLUDING A ROTATABLE BLADED IMPELLER WHEEL HAVING AN ANNULAR RECESS THEREIN AND A ROTATABLE BLADED TURBINE WHEEL IN CONFRONTING RELATION TO THE IMPELLER WHEEL, THE DEVICE BEING ADAPTED TO CONTAIN FLUID FOR TRANSMITTING TORQUE BETWEEN THE IMPELLER WHEEL AND THE TURBINE WHEEL AND THE TWO WHEELS PROVIDING AN ANNULAR SPACE BETWEEN BLADED PORTIONS THEREOF, A FLUID PRESSURE OPERATED FRICTION CLUTCH LOCATED IN THE SAID ANNULAR SPACE PROVIDING ADDITIONAL TORQUE TRANSMITTING MEANS BETWEEN SAID IMPELLER WHEEL AND SAID TURBINE WHEEL, SAID CLUTCH COMPRISING A PAIR OF INTERNALLY TOOTHED FRICTION DISKS OPERATIVELY CONNECTED TO THE IMPELLER WHEEL, AN EXTERNALLY TOOTHED FRICTION DISK LOCATED BETWEEN SAID FIRST-MENTIONED PAIR OF FRICTION DISKS AND OPERATIVELY CONNECTED TO THE TURBINE WHEEL AND AN ANNULAR PISTON POSITIONED IN THE SAID ANNULAR RECESS, A CONDUIT IN ONE OF SAID
Claim 2
Dependent Claim
135 words
IN A HYDRODYNAMIC DEVICE INCLUDING A ROTATABLE BLADED IMPELLER WHEEL HAVING AN ANNULAR RECESS THEREIN AND A ROTATABLE BLADED TURBINE WHEEL IN CONFRONTING RELATION TO THE IMPELLER WHEEL, THE DEVICE BEING ADAPTED TO CONTAIN FLUID FOR TRANSMITTING TORQUE BETWEEN THE IMPELLER WHEEL AND THE TURBINE WHEEL AND THE TWO WHEELS PROVIDING AN ANNULAR SPACE BETWEEN BLADED PORTIONS THEREOF, A FLUID PRESSURE OPERATED FRICTION CLUTCH LOCATED IN THE SAID ANNULAR SPACE PROVIDING ADDITIONAL TORQUE TRANSMITTING MEANS BETWEEN SAID IMPELLER WHEEL AND SAID TURBINE WHEEL, SAID CLUTCH COMPRISING A PAIR OF INTERNALLY TOOTHED FRICTION DISKS OPERATIVELY CONNECTED TO THE IMPELLER WHEEL, AN EXTERNALLY TOOTHED FRICTION DISK LOCATED BETWEEN SAID FIRST-MENTIONED PAIR OF FRICTION DISKS AND OPERATIVELY CONNECTED TO THE TURBINE WHEEL AND AN ANNULAR PISTON POSITIONED IN THE SAID ANNULAR RECESS, A CONDUIT IN ONE OF SAID
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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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |