Compressed air jet pump for feeding fuel to liquid fuel rocket engine, has compressed air container that supplies compressed air into combustion chamber through two compressed air pipes
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gas turbine
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Multi-stage ramjet engine
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Multistage ramjet engine for propulsion of high-speed aircraft
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Ventilator for installation in housing of roller-shutter
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Rotary piston IC engine - uses round disc with piston segment inside closely matched housing
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Wave-powered electrical energy generation plant - uses angled guide surfaces directing waves to propeller turbines driving respective generators
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Vertical take-off aircraft - has front and rear propellers which can be swung through 90 deg. NoAbstract
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Helicopter having a tail rotor which can pivot
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Automatic shifting device for bicycle gear shift mechanisms
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Gas turbine with intake pipes
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Compressed air-driven starter for internal combustion engines with automatic switching over to the compressor
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Engine starter using air pressure to drive turbine - has starter pinion rotated via centrifugal coupling and reduction gear
