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- W3011733907 abstract "A hydraulic-electric-motor-pump (HEMP) assembly highly integrated in a servo-mechanism to gimbal high thrust kerosene-liquid-oxygen rocket engine was introduced. It consists of a hydraulic motor, an electric motor, a pump, a clutch, and a speed sensor, all compactly mounted on the servomechanism, driven by high pressure kerosene from the engine in flight and by a ground electric power before flight. The hydraulic motor and the electric motor can be switched automatically and instantaneously. The monolithic structural design and complete self-contained hydraulics are inherited too. As critical to reliable operation, monitoring, and maintenancc, the clutch, the speed sensor, and the short flexible hoses were detailed. The HEMP has been verified by numerous ground tests and flight tests. Operational data was given, showing that their working robustness. The technical schemes have benefits of simple outside interfaces, convenient maintainability, safety and reliability." @default.
- W3011733907 created "2020-03-23" @default.
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- W3011733907 date "2019-04-01" @default.
- W3011733907 modified "2023-09-27" @default.
- W3011733907 title "A Highly Integrated Hydraulic-Electric-Motors-Pump Assembly for Launch Vehicles" @default.
- W3011733907 cites W3012463492 @default.
- W3011733907 doi "https://doi.org/10.1109/fpm45753.2019.9035836" @default.
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