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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 2. Отображено 2.
14-04-2022 дата публикации

PROCESS FOR MANUFACTURING WATER PUMP IMPELLER

Номер: WO2022073329A1
Автор: YU, Bin, ZHU, Weiren
Принадлежит:

A process for manufacturing a water pump impeller, in which a device for manufacturing a water pump impeller is used. The device for manufacturing a water pump impeller comprises a U-shaped plate, a cylindrical table, a vibration mechanism, a sand scraping mechanism, and a sand sweeping mechanism; the opening position of the U-shaped plate faces downwards; the cylindrical table is mounted on the upper end surface of the U-shaped plate; a circular recess is provided in the center of the upper end surface of the cylindrical table; the vibration mechanism is provided in the circular recess; the sand scraping mechanism is provided in the center of the vibration mechanism; the sand sweeping mechanism is provided between the vibration mechanism and the circular recess of the cylindrical table. Sand shakeout treatment is performed on blades of a plurality of impellers by means of cooperation of the sand scraping mechanism and the vibration mechanism, thereby improving the sand shakeout treatment ...

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Номер записи: 1
30-05-2023 дата публикации

Ultrahigh-temperature backpressure adjusting device with wide adjusting range

Номер: CN116181498A
Автор: SHAO WEIWEI, GE ZHENGHAO, YU BIN, ZHU TAO, TIAN YONG, GUO WEI, LIU YU, MA DEJUN, XU XIANG
Принадлежит:

The invention discloses an ultra-high-temperature backpressure adjusting device with a wide adjusting range. The ultra-high-temperature backpressure adjusting device with the wide adjusting range comprises a base, a first-stage sleeve and a second-stage sleeve. The base, the first-stage sleeve and the second-stage sleeve are the same in center line, and a first-stage sleeve body, a second-stage sleeve body, the base, a second-stage annular cone and a first-stage center cone are sequentially arranged from outside to inside. The first-stage sleeve and the second-stage sleeve can move leftwards/rightwards relative to the base in the axis direction. The axial-flow type structure scheme is adopted, the direction of high-temperature air flow is not changed, interference to a flow field is reduced, the high-temperature air outlet flow field is evenly distributed, unbalanced force is avoided to the maximum extent, in addition, a two-stage adjusting mode is adopted, and the adjusting range is effectively ...

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Номер записи: 2