US3203176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine governor
Assignee: Motors Liquidation Co
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Filing: 1962-08-23
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Granted: 1965-08-31
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Expires: 1982-08-23
Abstract
No abstract record available.
Inventors
- 👤 Richard M Zeek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:38
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/28; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87096; Y10T137/87121; Y10T137/87917; Y10T137/88022; Y10T137/8803
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
IN A FUEL CONTROLLING SYSTEM FOR A GAS TURBINE ENGINE INCLUDING INDEPENDENTLY ROTATABLE TURBINES AND ENGINE FUEL REGULATING MEANS; ENGING GOVERNING MEANS RESPONSIVE TO THE SPEED OF BOTH TURBINES AND EFFECTIVE TO LIMIT ENGINE FUEL UPON OVERSPEED OF EITHER TURBINE COMPRISING, IN COMBINATION, A BODY DEFINING A CYLINDER, A SLEEVE RECIPROCABLY MOUNTED IN THE CYLINDER, A SPRING ABUTMENT ADJUSTABLE IN THE CYLINDER, A FIRST SPRING CONNECTING THE ABUTMENT AND SLEEVE, A VALVE SPOOL RECIPROCABLY MOUNTED IN THE SLEEVE, A SLIDER ADJUSTABLY IN THE CYLINDER, A SECOND SPRING CONNECTING THE SPOOL AND SLIDER; FIRST MEANS TRANSMITTING A FIRST PRESSURE REPRESENTATIVE OF THE SPEED OF ONE TURBINE, SECOND MEANS TRANSMITTING A SECOND PRESSURE REPRESENTATIVE OF TE SPEED OF THE OTHER TURBINE, MEANS IN THE BODY COMMUNICATING THE FIRST PRESSURE TO ONE END OF THE SLEEVE SO AS TO BIAS IT IS OPPOSITION TO THE FIRST SPRING, MEANS IN THE BODY AND ABUTMENT COMMUNICATING THE SECOND PRESSURE TO ONE END OF THE SPOOL SO AS TO BIAS THE SPOOL IN OPPOSITION TO THE SECOND SPRING, THE PRESSURE BIASES ON THE SLEEVE AND SPOOL BEING IN OPPOSITE DIRECTIONS; AND VALVE PORT MEANS DEFINED BY THE SLEEVE AND SPOOL CONNECTED IN SERIES WITH THE SAID ENGINE FUEL REGULATING MEANS.
Claim 2
Dependent Claim
204 words
IN A FUEL CONTROLLING SYSTEM FOR A GAS TURBINE ENGINE INCLUDING INDEPENDENTLY ROTATABLE TURBINES AND ENGINE FUEL REGULATING MEANS; ENGING GOVERNING MEANS RESPONSIVE TO THE SPEED OF BOTH TURBINES AND EFFECTIVE TO LIMIT ENGINE FUEL UPON OVERSPEED OF EITHER TURBINE COMPRISING, IN COMBINATION, A BODY DEFINING A CYLINDER, A SLEEVE RECIPROCABLY MOUNTED IN THE CYLINDER, A SPRING ABUTMENT ADJUSTABLE IN THE CYLINDER, A FIRST SPRING CONNECTING THE ABUTMENT AND SLEEVE, A VALVE SPOOL RECIPROCABLY MOUNTED IN THE SLEEVE, A SLIDER ADJUSTABLY IN THE CYLINDER, A SECOND SPRING CONNECTING THE SPOOL AND SLIDER; FIRST MEANS TRANSMITTING A FIRST PRESSURE REPRESENTATIVE OF THE SPEED OF ONE TURBINE, SECOND MEANS TRANSMITTING A SECOND PRESSURE REPRESENTATIVE OF TE SPEED OF THE OTHER TURBINE, MEANS IN THE BODY COMMUNICATING THE FIRST PRESSURE TO ONE END OF THE SLEEVE SO AS TO BIAS IT IS OPPOSITION TO THE FIRST SPRING, MEANS IN THE BODY AND ABUTMENT COMMUNICATING THE SECOND PRESSURE TO ONE END OF THE SPOOL SO AS TO BIAS THE SPOOL IN OPPOSITION TO THE SECOND SPRING, THE PRESSURE BIASES ON THE SLEEVE AND SPOOL BEING IN OPPOSITE DIRECTIONS; AND VALVE PORT MEANS DEFINED BY THE SLEEVE AND SPOOL CONNECTED IN SERIES WITH THE SAID ENGINE FUEL REGULATING MEANS.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |