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Patent US3073181A successfully refreshed from Google Patents.
US3073181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodynamic transmission contrivances
Assignee: Volvo AB
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Filing: 1957-03-06
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Granted: 1963-01-15
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Expires: 1977-03-06
Abstract
No abstract record available.
Inventors
- 👤 Kronogard Sven-Olof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:17
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/48; F16H61/50; F16H61/58; F16H61/62; F16H47/00; F16H47/06; F16H47/08; F16H47/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A HYDRODYNAMIC TORQUE CONVERTER COMPRISING AN INPUT SHAFT, A PUMP MEMBER OF THE RADIAL OUTFLOW TYPE AND DRIVINGLY CONNECTED TO SAID INPUT SHAFT, A TURBINE MEMBER COMPRISING AT LEAST TWO STEPS, THE FIRST ONE OF SAID STEPS BEING OF THE RADIAL INFLOW TYPE AND HAVING AN OUTER RADIUS SUBSTANTIALLY EQUAL TO THE OUTER RADIUS OF SAID PUMP MEMBER, A ROTATABLE REACTION MEMBER HAVING AT LEAST ONE STEP, EACH OF SAID TURBINE AND REACTION STEPS INCLUDING A BLADE RIM SECURED TO A ROTOR DISK, THE ROTOR DISK OF SAID REACTION MEMBER BEING ENCLOSED BETWEEN THE ROTOR DISKS OF SAID TURBINE MEMBER, AN OUTPUT SHAFT CONNECTIBLE DIRECTLY TO THE FIRST ONE OF SAID TURBINE ROTOR DISKS, A REVERSING GEAR DRIVINGLY CONNECTING THE ROTOR DISK OF SAID REACTION MEMBER WITH ANOTHER OF SAID TURBINE ROTOR DISKS, SAID OTHER TURBINE ROTOR DISK BEING CONNECTED TO SAID FIRST TURBINE ROTOR DISK OUTSIDE THE FREE EDGE OF SAID REACTION MEMBER.
Claim 2
Dependent Claim
154 words
A HYDRODYNAMIC TORQUE CONVERTER COMPRISING AN INPUT SHAFT, A PUMP MEMBER OF THE RADIAL OUTFLOW TYPE AND DRIVINGLY CONNECTED TO SAID INPUT SHAFT, A TURBINE MEMBER COMPRISING AT LEAST TWO STEPS, THE FIRST ONE OF SAID STEPS BEING OF THE RADIAL INFLOW TYPE AND HAVING AN OUTER RADIUS SUBSTANTIALLY EQUAL TO THE OUTER RADIUS OF SAID PUMP MEMBER, A ROTATABLE REACTION MEMBER HAVING AT LEAST ONE STEP, EACH OF SAID TURBINE AND REACTION STEPS INCLUDING A BLADE RIM SECURED TO A ROTOR DISK, THE ROTOR DISK OF SAID REACTION MEMBER BEING ENCLOSED BETWEEN THE ROTOR DISKS OF SAID TURBINE MEMBER, AN OUTPUT SHAFT CONNECTIBLE DIRECTLY TO THE FIRST ONE OF SAID TURBINE ROTOR DISKS, A REVERSING GEAR DRIVINGLY CONNECTING THE ROTOR DISK OF SAID REACTION MEMBER WITH ANOTHER OF SAID TURBINE ROTOR DISKS, SAID OTHER TURBINE ROTOR DISK BEING CONNECTED TO SAID FIRST TURBINE ROTOR DISK OUTSIDE THE FREE EDGE OF SAID REACTION MEMBER.
References Cited (Backward Citations)
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |