US3295320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system of marine steam power plant
Assignee: Kawasaki Motors Ltd
•
Filing: 1964-08-14
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Granted: 1967-01-03
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Expires: 1984-08-14
Abstract
No abstract record available.
Inventors
- 👤 Takeda Yasuo
- 👤 Shimizu Masao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:27
CPC Classifications
F; F01; F01K; F01K15/00; F01K15/02; F01K15/04; F01K15/045; F01K13/00; F01K13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A DEVICE FOR CONTROLLING A MARINE STEAM POWER PLANT COMPRISING A TURBINE, DIRECTION CONTROLLING TURBINE MANEUVERING VALVES, FUEL VALVE AND AIR DAMPENING VALVE FOR A BOILER MEANS, MEANS FOR PRIMARILY CONTROLLING THE DEGREE OF OPENING OF SAID VALVES COMPRISING A SINGLE MANEUVERING HANDLE OPERATIVELY CONNECTED TO EACH SAID VALVE, SAID FUEL VALVE BEING OPENED A MINIMUM AMOUNT AND SAID MANEUVERING VALVES BEING FULLY CLOSED WHEN SAID HANDLE IS IN A NEUTRAL POSITION, AND SECONDARY CONTROLLING MEANS FOR CONTROLLING THE DEGREE OF OPENING OF SAID VALVES, COMPRISING MEANS RESPONSIVE TO AN AUTOMATIC BOILER PRESSURE CONTROL MEANS WHICH IS ACTUATED BY A SIGNAL FROM A BOILER PRESSURE RESPONSIVE MEANS TO ELIMINATE AN UNBALANCE BETWEEN THE AMOUNT OF FUEL AND AIR SUPPLIED TO THE BOILER AND THE AMOUNT OF STEAM SUPPLIED TO THE TURBINE.
Claim 2
Independent Claim
131 words
A DEVICE FOR CONTROLLING A MARINE STEAM POWER PLANT COMPRISING A TURBINE, DIRECTION CONTROLLING TURBINE MANEUVERING VALVES, FUEL VALVE AND AIR DAMPENING VALVE FOR A BOILER MEANS, MEANS FOR PRIMARILY CONTROLLING THE DEGREE OF OPENING OF SAID VALVES COMPRISING A SINGLE MANEUVERING HANDLE OPERATIVELY CONNECTED TO EACH SAID VALVE, SAID FUEL VALVE BEING OPENED A MINIMUM AMOUNT AND SAID MANEUVERING VALVES BEING FULLY CLOSED WHEN SAID HANDLE IS IN A NEUTRAL POSITION, AND SECONDARY CONTROLLING MEANS FOR CONTROLLING THE DEGREE OF OPENING OF SAID VALVES, COMPRISING MEANS RESPONSIVE TO AN AUTOMATIC BOILER PRESSURE CONTROL MEANS WHICH IS ACTUATED BY A SIGNAL FROM A BOILER PRESSURE RESPONSIVE MEANS TO ELIMINATE AN UNBALANCE BETWEEN THE AMOUNT OF FUEL AND AIR SUPPLIED TO THE BOILER AND THE AMOUNT OF STEAM SUPPLIED TO THE TURBINE.
References Cited (Backward Citations)
US2580345A
Cited
US2598235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |