US3242743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor speed control
Assignee: General Precision Inc
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Filing: 1964-05-26
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Granted: 1966-03-29
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Expires: 1984-05-26
Abstract
No abstract record available.
Inventors
- 👤 Samet Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:41
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/06; G01C19/065; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A GAS-DRIVEN ROTOR UNIT COMPRISING: A ROTOR CO-AXIALLY MOUNTED UPON A SUPPORT FOR ROTATION RELATIVE THERETO; SAID ROTOR HAVING A PLURALITY OF DRIVE JETS WITH RADIALLY OUTER NOZZLE PORTIONS POINTED AND DISCHARGING IN A SUBSTANTIALLY TANGENTIAL DIRECTION FOR TORQUING AND ACCELERATING SAID ROTOR, SAID ROTOR HAVING A PLURALITY OF BRAKING JETS WITH RADIALLY OUTER NOZZLE PORTIONS POINTED AND DISCHARGING IN A TANGENTIAL DIRECTION GENERALLY OPPOSITE TO SAID DRIVE JETS FOR COUNTER-TORQUING AND DECELERATING SAID ROTOR, SAID SUPPORT HAVING FLOW CONTROL MEANS SUPPORTED THEREFROM FOR VARYING THE DISCHARGES FROM SAID BRAKING JET NOZZLES IN PROPORTION TO THE SPEED OF SAID ROTOR FOR MAINTAINING A SUBSTANTIALLY CONSTANT ROTOR SPEED.
Claim 2
Dependent Claim
107 words
A GAS-DRIVEN ROTOR UNIT COMPRISING: A ROTOR CO-AXIALLY MOUNTED UPON A SUPPORT FOR ROTATION RELATIVE THERETO; SAID ROTOR HAVING A PLURALITY OF DRIVE JETS WITH RADIALLY OUTER NOZZLE PORTIONS POINTED AND DISCHARGING IN A SUBSTANTIALLY TANGENTIAL DIRECTION FOR TORQUING AND ACCELERATING SAID ROTOR, SAID ROTOR HAVING A PLURALITY OF BRAKING JETS WITH RADIALLY OUTER NOZZLE PORTIONS POINTED AND DISCHARGING IN A TANGENTIAL DIRECTION GENERALLY OPPOSITE TO SAID DRIVE JETS FOR COUNTER-TORQUING AND DECELERATING SAID ROTOR, SAID SUPPORT HAVING FLOW CONTROL MEANS SUPPORTED THEREFROM FOR VARYING THE DISCHARGES FROM SAID BRAKING JET NOZZLES IN PROPORTION TO THE SPEED OF SAID ROTOR FOR MAINTAINING A SUBSTANTIALLY CONSTANT ROTOR SPEED.
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |