US3572171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear train with two epicyclic gears connected in series
Assignee: ABB Stal AB
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Filing: 1969-03-26
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Granted: 1971-03-23
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Expires: 1989-03-26
Abstract
Abstract A GEAR TRAIN PARTICULARLY ADAPTED FOR MARINE PROPULSION MACHINERY AND WHEREIN SAID TRAIN IS IN TWO STAGES OF EPICYCLIC GEARING CONNECTED IN SERIES. THE FIRST STAGE CONNECTS BY A SHAFT TO THE SUN WHEEL OF THE SECOND STAGE. THE SECOND STAGE HAS A PLANET CARRIER SUPPORTED BY A JOURNAL BEARING LOCATED BETWEEN THE TWO GEARING STAGES, SAID BEARING BEING DISPOSED AROUND THE SHAFT THAT BEARS THE SUN WHEEL OF THE SECOND STAGE. ANOTHER BEARING ENCIRCLES SAID SHAFT, THE LATTER BEARING BEING LOCATED BETWEEN THE JOURNAL BEARING AND THE GEARING THAT CONSTITUTES THE FIRST STAGE.
Inventors
- 👤 Per-Erik Arne Larsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:52
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28; F16H1/46; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |