US3145532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-turbine operated engine starters
Assignee: GE Healthcare UK Ltd
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Filing: 1962-07-24
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Granted: 1964-08-25
•
Expires: 1982-07-24
Abstract
No abstract record available.
Inventors
- 👤 Moss Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:12
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/26; F02C7/268; F02C7/275; F02C7/277
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A COMBINED ENGINE-STARTER AND CONSTANT-SPEED DRIVE UNIT WHICH COMPRISES A GAS-TURBINE, A TURBO-COMPRESSOR SUPPLYING THE GAS TURBINE WITH COMBUSTION AIR, A STARTER OUTPUT SHAFT FOR CONNECTION TO A COMBUSTION ENGINE, A THREE-LEG DIFFERENTIAL GEAR DRIVE THE LEGS OF WHICH ARE RESPECTIVELY OPERATIVELY CONNECTED TO THE TURBINE, THE OUTPUT SHAFT, AND THE COMPRESSOR, A FUEL GOVERNOR CONTROLLING THE FUEL SUPPLY TO THE GAS TURBINE TO MAINTAIN ITS SPEED CONSTANT DRIVEN BY ONE OF THOSE LEGS OF THE DIFFERENTIAL GEAR DRIVE WHICH ARE RESPECTIVELY CONNECTED TO THE GAS TURBINE AND THE COMPRESSOR, MEANS OPERABLE TO DISCONNECT THE STARTER OUTPUT SHAFT FROM THE DIFFERENTIAL GEAR DRIVE, AND A ONE-WAY CLUTCH IN A GEAR DRIVE WHICH, IN PARALLEL WITH THOSE LEGS OF THE DIFFERENTIAL THAT ARE CONNECTED TO THE TUR-
Claim 2
Dependent Claim
126 words
A COMBINED ENGINE-STARTER AND CONSTANT-SPEED DRIVE UNIT WHICH COMPRISES A GAS-TURBINE, A TURBO-COMPRESSOR SUPPLYING THE GAS TURBINE WITH COMBUSTION AIR, A STARTER OUTPUT SHAFT FOR CONNECTION TO A COMBUSTION ENGINE, A THREE-LEG DIFFERENTIAL GEAR DRIVE THE LEGS OF WHICH ARE RESPECTIVELY OPERATIVELY CONNECTED TO THE TURBINE, THE OUTPUT SHAFT, AND THE COMPRESSOR, A FUEL GOVERNOR CONTROLLING THE FUEL SUPPLY TO THE GAS TURBINE TO MAINTAIN ITS SPEED CONSTANT DRIVEN BY ONE OF THOSE LEGS OF THE DIFFERENTIAL GEAR DRIVE WHICH ARE RESPECTIVELY CONNECTED TO THE GAS TURBINE AND THE COMPRESSOR, MEANS OPERABLE TO DISCONNECT THE STARTER OUTPUT SHAFT FROM THE DIFFERENTIAL GEAR DRIVE, AND A ONE-WAY CLUTCH IN A GEAR DRIVE WHICH, IN PARALLEL WITH THOSE LEGS OF THE DIFFERENTIAL THAT ARE CONNECTED TO THE TUR-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |