US3217563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplex gear transmission and hydrodynamic drive combination
Assignee: Individual
•
Filing: 1963-01-25
•
Granted: 1965-11-16
•
Expires: 1983-01-25
Abstract
No abstract record available.
Inventors
- 👤 Gertrude H Simpson
- 👤 The Detroit Bank And T Company
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:07
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H47/085; F16H45/00; F16H45/02; F16H2045/0221; F16H2045/0268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
AN AUTOMOTIVE FLUID TORQUE CONVERTER FOR TRANSMITTING ENGINE POWER THROUGH A MULTI-SPEED GEAR TYPE TRANSMISSION AND HAVING AN OVERDRIVE FOR TRANSMITTING AND BYPASSING ENGINE POWER AROUND THE TORQUE CONVERTER AND THE TRANSMISSION, COMPRISING: A STATIONARY HOUSING, WITH A PUMP, A TURBINE DRIVEN BY SAID PUMP AND A REACTOR MEMBER FITTED WITHIN SAID HOUSING, THE REACTOR MEMBER BEING ANCHORED TO SAID HOUSING TO THEREBY FORM A FLUID TORQUE CONVERTER; AN ENGINE DRIVEN DRIVESHAFT AND AN AXIALLY ALIGNED DRIVEN SHAFT FITTED IN SAID HOUSING, THE DRIVEN SHAFT BEING SURROUNDED BY A CO-AXIAL, HOLLOW TRANSMISSION SHAFT; AN OVERDRIVE GEAR SET, SEPARATE FROM THE TRANSMISSION, COMPRISING A SUN GEAR SURROUNDING THE DRIVESHAFT AND IN TURN SURROUNDED BY A RING GEAR CONNECTED TO THE DRIVEN SHAFT, THE SUN AND RING GEARS BEING SEPARATED BY AND MESHED WITH PLANETARY GEARS MOUNTED UPON A CARRIER CONNECTED TO BOTH THE DRIVESHAFT AND THE PUMP SO THAT
Claim 2
Dependent Claim
148 words
AN AUTOMOTIVE FLUID TORQUE CONVERTER FOR TRANSMITTING ENGINE POWER THROUGH A MULTI-SPEED GEAR TYPE TRANSMISSION AND HAVING AN OVERDRIVE FOR TRANSMITTING AND BYPASSING ENGINE POWER AROUND THE TORQUE CONVERTER AND THE TRANSMISSION, COMPRISING: A STATIONARY HOUSING, WITH A PUMP, A TURBINE DRIVEN BY SAID PUMP AND A REACTOR MEMBER FITTED WITHIN SAID HOUSING, THE REACTOR MEMBER BEING ANCHORED TO SAID HOUSING TO THEREBY FORM A FLUID TORQUE CONVERTER; AN ENGINE DRIVEN DRIVESHAFT AND AN AXIALLY ALIGNED DRIVEN SHAFT FITTED IN SAID HOUSING, THE DRIVEN SHAFT BEING SURROUNDED BY A CO-AXIAL, HOLLOW TRANSMISSION SHAFT; AN OVERDRIVE GEAR SET, SEPARATE FROM THE TRANSMISSION, COMPRISING A SUN GEAR SURROUNDING THE DRIVESHAFT AND IN TURN SURROUNDED BY A RING GEAR CONNECTED TO THE DRIVEN SHAFT, THE SUN AND RING GEARS BEING SEPARATED BY AND MESHED WITH PLANETARY GEARS MOUNTED UPON A CARRIER CONNECTED TO BOTH THE DRIVESHAFT AND THE PUMP SO THAT
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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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |