US3292455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Individual
•
Filing: 1965-03-11
•
Granted: 1966-12-20
•
Expires: 1985-03-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:46
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H47/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
IN A TRANSMISSION; A DRIVE SHAFT, A TRANSMISSION OUTPUT SHAFT, A HYDRAULIC POWER TRAIN AND A MECHANICAL POWER TRAIN COMBINED TO FORM A VARIABLE SPEED TRANSMISSION MECHANISM ADAPTED TO TRANSMIT AN INFINITE RANGE OF RATIOS BETWEEN SAID SHAFTS, ACTUATING MEANS FOR SAID MECHANISM ADAPTED TO ESTABLISH A SEQUENCE OF PART HYDRAULIC PART MECHANICAL RATIOS AND DIRECT DRIVE THEREIN, AND CONTROL MEANS FOR SAID ACTUATING MEANS CONSTRUCTED AND ARRANGED TO SELECT AN INFINITE RANGE OF SPEED REDUCTIONS AND DIRECT DRIVE BY SAID MECHANISM; SAID HYDRAULIC POWER TRAIN INCLUDING A HYDRODYNAMIC MECHANISM HAVING AN IMPELLER, A TURBINE, AND REACTOR MEANS, SAID IMPELLER BEING DRIVEN BY SAID DRIVE SHAFT, SAID REACTOR BEING MOUNTED TO PREVENT REVERSE ROTATION AND TO PROVIDE TORQUE MULTIPLYING FLUID DRIVE BETWEEN SAID IMPELLER AND SAID TURBINE; SAID MECHANICAL POWER TRAIN INCLUDING A PLURALITY OF PLANETARY GEARSETS EACH HAVING AN INPUT MEMBER, AN OUTPUT MEMBER AND A REACTION MEMBER, SAID GEARSETS BEING ARRANGED COAXIALLY AND CONNECTED TOGETHER OUTPUT MEMBER OF THE FRONT GEAREST TO INPUT MEMBER OF THE FOLLOWING GEAREST, SAID GEARSETS BEING ADAPTED TO RECEIVE POWER FROM SAID DRIVE SHAFT INTO THE FRONT GEAREST INPUT MEMBER AND TO MULTIPLY AND TRANSMIT SAID POWER FROM THE FRONT
Claim 2
Dependent Claim
197 words
IN A TRANSMISSION; A DRIVE SHAFT, A TRANSMISSION OUTPUT SHAFT, A HYDRAULIC POWER TRAIN AND A MECHANICAL POWER TRAIN COMBINED TO FORM A VARIABLE SPEED TRANSMISSION MECHANISM ADAPTED TO TRANSMIT AN INFINITE RANGE OF RATIOS BETWEEN SAID SHAFTS, ACTUATING MEANS FOR SAID MECHANISM ADAPTED TO ESTABLISH A SEQUENCE OF PART HYDRAULIC PART MECHANICAL RATIOS AND DIRECT DRIVE THEREIN, AND CONTROL MEANS FOR SAID ACTUATING MEANS CONSTRUCTED AND ARRANGED TO SELECT AN INFINITE RANGE OF SPEED REDUCTIONS AND DIRECT DRIVE BY SAID MECHANISM; SAID HYDRAULIC POWER TRAIN INCLUDING A HYDRODYNAMIC MECHANISM HAVING AN IMPELLER, A TURBINE, AND REACTOR MEANS, SAID IMPELLER BEING DRIVEN BY SAID DRIVE SHAFT, SAID REACTOR BEING MOUNTED TO PREVENT REVERSE ROTATION AND TO PROVIDE TORQUE MULTIPLYING FLUID DRIVE BETWEEN SAID IMPELLER AND SAID TURBINE; SAID MECHANICAL POWER TRAIN INCLUDING A PLURALITY OF PLANETARY GEARSETS EACH HAVING AN INPUT MEMBER, AN OUTPUT MEMBER AND A REACTION MEMBER, SAID GEARSETS BEING ARRANGED COAXIALLY AND CONNECTED TOGETHER OUTPUT MEMBER OF THE FRONT GEAREST TO INPUT MEMBER OF THE FOLLOWING GEAREST, SAID GEARSETS BEING ADAPTED TO RECEIVE POWER FROM SAID DRIVE SHAFT INTO THE FRONT GEAREST INPUT MEMBER AND TO MULTIPLY AND TRANSMIT SAID POWER FROM THE FRONT
References Cited (Backward Citations)
US2627764A
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US2656736A
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US2886983A
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US2894415A
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US3191459A
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |