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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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Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 17. Отображено 17.
27-09-2018 дата публикации

ROTOR ASSEMBLY AND COMPRESSOR

Номер: WO2018171345A1
Автор: FENG, Zhaohui
Принадлежит:

Disclosed are a rotor assembly and a compressor having the rotor assembly, wherein the rotor assembly comprises: a rotor (100), the rotor (100) comprising a main body (120) and a mounting column (110), the mounting column (11) extending from an axial end face (130) of the main body (120) along the rotational axis (X) of the rotor (100); and a balancing block (200), the balancing block (200) comprising a counterweight part (220) and a mounting part (210) connected to the counterweight part (220), the mounting part (210) being configured to be assembled with the mounting column (110), whereby the balancing block (200) is fixed to the rotor (100), and wherein the balancing block (200) further comprises a protrusion (250) extending towards the main body (120), and the rotor (100) further comprises a recess (150) in the axial end face (130) to accommodate the protrusion (250).

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07-04-2023 дата публикации

Preparation method of low-residual-stress special-shaped aluminum alloy ring forging

Номер: CN115927931A
Принадлежит:

The invention relates to a low-residual-stress special-shaped aluminum alloy ring forging preparation method which comprises the following steps: putting a homogenized aluminum alloy ingot blank into a furnace for heating, taking out the aluminum alloy ingot blank, and carrying out forging cogging, punching and trestle reaming to obtain a ring blank with an approximately rectangular section; the rectangular-section ring blank is subjected to ring forging through a ring rolling machine to be prepared into a special-shaped ring forging piece; and the special-shaped ring forge piece is treated to a required heat treatment state after corresponding stress relief measures are taken. The special-shaped ring forge piece prepared through the technology has the advantages of being high in material utilization rate, complete in streamline, small in machining amount, small in residual stress and the like. The process is suitable for the aluminum alloy special-shaped ring forgings used in the fields ...

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27-07-2016 дата публикации

Do not know wrapping bag of fire fruit

Номер: CN0205396900U
Принадлежит:

... 本实用新型公开了种不知火水果包装袋,包括袋体、位于袋体顶部的收缩环和位于袋体底部的保护圈;所述袋体横截面与收缩环均呈倒卵形;所述袋体是由第编织绳和第二编织绳编织而成,第编织绳和第二编织绳的端均与收缩环连接,另端通过保护圈聚合在起;所述袋体设有收缩绳,所述收缩绳从底部的保护圈伸出,由下而上至收缩环处,绕收缩环内部圈再伸出收缩环。本实用新型结构采用镂空编织,能够在运输和流通中保持不知火的有氧呼吸作用,减少不知火之间的摩擦和碰撞,并能同时减少塑料的使用,节约了资源并保护了环境。 ...

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09-03-2017 дата публикации

OLDHAM RING FOR SCROLL COMPRESSOR

Номер: WO2017036253A1
Принадлежит:

An oldham ring (10) for a scroll compressor (1) comprises: a ring-shaped main body (11) comprising a top surface (14), a bottom surface (15), an inner side surface (16) and an outer side surface (17); and a slide engagement portion disposed on the ring-shaped main body (11), wherein at least one material-removed portion (18) is disposed on the inner side surface (16) and/or the outer side surface (17) of the ring-shaped main body (11). The oldham ring can have a minimized mass while maintaining a sufficient flexural strength, thereby reducing mechanical vibration and noise of the scroll compressor (1).

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29-06-2016 дата публикации

Loquat retainfreshness packaging box

Номер: CN0205345809U
Принадлежит:

... 本实用新型公开了一种枇杷保鲜包装盒,包括盒体、盒盖和包装纸(4),其特征在于,所述盒体包括外盒(1)、置物盒(2)和卡格(3),所述置物盒(2)位于外盒(1)内部,紧挨着外盒(1);所述卡格(3)位于置物盒(2)内部,所述外盒(1)、置物盒(2)和卡格(3)均为顶部开口的正八棱柱形,所述卡格(3)将置物盒(2)内部分成若干个枇杷存放区域,所述盒体还包括从外盒(1)底部两侧延伸出来的提手(5),所述提手(5)为细长条状。本实用新型能够在运输和流通过程中减小枇杷相互之间的碰撞摩擦损伤,减少细菌滋生,保鲜性能好,延长了枇杷的保质保鲜期,使其新鲜果品能销往其他地区。 ...

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29-06-2016 дата публикации

Make things convenient for acidophilus milk packing carton of environmental protection

Номер: CN0205345602U
Принадлежит:

... 本实用新型公开了一种方便环保的酸奶包装盒,该酸奶包装盒整体形状为牙膏盒形状,包括外盒和内盒;所述外盒顶部设置有顶开口和肩开口,所述顶开口和肩开口均为螺旋盖结构,底部设置有V形的底开口;所述内盒为双层结构,外层为蛋卷层,内层为果冻层;在喝完酸奶后可以打开肩开口或者撕开底开口,然后将内盒拿出直接食用;在顶开口处设有一层防止酸奶变质的密封膜。本实用新型可以方便人们的食用,有效的减少了酸奶的浪费,并增加了一定的口味,给酸奶爱好者带来了许多便利以及新鲜感。 ...

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29-06-2016 дата публикации

Appearance purifying column on integral type gravity

Номер: CN0205347289U
Принадлежит:

... 本实用新型公开了一种一体式重力上样纯化柱,该重力上样纯化柱从上往下包括储样池、流通管、纯化柱和收集池,在流通管上套有可控制样品液液流速度的可拆卸液滴调节阀。本实用新型利用重力作用将样品液从储样池经过流通管流至纯化柱,最后流向收集池;通过调节位于流通管上的可拆卸滴液调节阀来控制样品液流的速度,使得上样过程自动化、可控制;本装置固定在铁架台上,使用起来稳当简便。 ...

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11-04-2023 дата публикации

High-cost-performance all-weather antenna precision satellite tracking implementation method and system

Номер: CN115954670A
Принадлежит:

The invention discloses a high-cost-performance all-weather antenna precision satellite tracking implementation method and system. The method comprises the following steps: acquiring antenna position data, satellite orbit data and position protection data; calculating a satellite space orbit position in a future time period, and generating antenna guide data after calibrating an antenna pointing error; issuing the antenna guide data to an antenna control unit; and the antenna control unit controls the antenna to point to the satellite according to the antenna guide data. Wherein the antenna guide data is specified format data of an azimuth angle, a pitch angle and a polarization angle required by the antenna to accurately align to a satellite at any time and any geographic position. And the antenna control unit is an executing mechanism for adjusting the azimuth angle and the pitch angle of the antenna. The invention relates to the field of antenna tracking and satellite application, simplifies ...

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13-04-2021 дата публикации

Active heat insulation protective garment for glass production

Номер: CN212938002U

The utility model discloses an active heat insulation protective garment for glass production, which comprises a helmet and a jumpsuit, the helmet comprises an outer shell and a lining, the space between the outer shell and the lining is hollow, air inlets are formed in two sides of the bottom of the helmet, a first magnetic connecting ring is arranged at the air inlets, and a first air outlet is formed in the top of the helmet; a thermal insulation layer is arranged on the outer layer of the jumpsuits, a heat conduction layer is arranged on the inner layer of the jumpsuits, a second air outlet is formed in the position of a collar of the jumpsuits, a second magnetic connecting ring is arranged at the position of the second air outlet and can be attracted to the first magnetic connecting ring, and an air inlet cooling unit is arranged in the center of the back of the jumpsuits. The air inlet cooling unit comprises a box body fixed to the jumpsuits heat insulation layer, an air inlet cooling ...

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04-04-2023 дата публикации

High-efficiency carrier polling scheduling method

Номер: CN115915423A
Принадлежит:

The invention discloses a high-efficiency carrier polling scheduling method. The method comprises the following steps: constructing two polling task memory tables A and B; the method comprises the following steps: acquiring basic information of spectrum analyzer equipment in real time, and constructing an available equipment real-time memory table; polling the polling tasks in the task memory tables A and B according to a polling mechanism; whether available spectrum analyzer equipment exists or not is matched according to the polling task condition; whether a polling instruction needs to be sent or not is judged according to the matching condition, and polling task information, persistent polling task information and spectrum analyzer equipment information in the task memory tables A and B are updated to a database storage system; receiving a query request of the polling result, and analyzing the query request to generate a query condition; sending a retrieval request to the polling result ...

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30-05-2023 дата публикации

Platformization high-orbit satellitization push-to-position protection monitoring method and device

Номер: CN116176868A
Принадлежит:

The invention discloses a platformization high-orbit satellitization push-to-position protection monitoring device which covers real-time anomaly monitoring and automatic anomaly handling of high-orbit satellitization push-to-position protection of various platforms such as DFH-3B, DFH-4 and DFH4E, and can perform multi-satellite push-to-position protection monitoring and anomaly handling operation at the same time. According to the device, by extracting data characteristics of a high-orbit satellite in a chemical push guarantee period and combining various chemical push guarantee monitoring algorithms such as attitude monitoring, propeller temperature monitoring and storage tank pressure monitoring, automatic abnormity monitoring diagnosis is achieved, and a corresponding diagnosis result is obtained; through presetting classified and graded abnormal scene disposal procedures, a matched disposal method is quickly searched and executed, and resource allocation and automatic disposal of ...

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09-06-2023 дата публикации

Low residual stress control method for aluminum lithium alloy die forging

Номер: CN116240473A
Принадлежит:

The invention relates to a low residual stress control method for an aluminum-lithium alloy die forging. The low residual stress control method comprises the following steps: (1) solid solution and quenching; (2) cold pressing; (3) cryogenic and cold-hot circulation; (4) aging; according to the method, the residual stress field of the aluminum-lithium alloy die forging is controlled by adopting a method of combining cold pressing and cryogenic cold and hot circulation, the die forging is firstly subjected to cold compression in a precision die, so that the residual stress level is integrally reduced, and then crystal lattices stretch and contract in the circulation process through cryogenic cold and hot circulation treatment, so that the residual stress field of the aluminum-lithium alloy die forging is controlled. And a stable residual stress state is obtained. The two methods are mutually coordinated and supplemented, and the residual stress of the aluminum-lithium alloy die forging is ...

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06-07-2016 дата публикации

Scalable portable bubble face box

Номер: CN0205366355U
Принадлежит:

... 本实用新型公开了一种可伸缩便携式泡面盒,包括盒体(2)和盒盖(1),所述盒体(2)顶部有开口,其余面均是实体壁,所述盒盖(1)置于盒体(2)顶部开口处,所述盒体(2)的侧壁下部设置一圈固定环(4),所述固定环(4)的直径大于面饼的直径,以将面饼限位在此固定环(4)中;所述盒体(2)的侧壁除固定面饼的部分外,其余为可伸缩式结构(3),所述可伸缩式结构(3)为螺纹状或环状,当进行携带或运输时盒体(2)为压缩状态,当进行冲泡食用时盒体(2)可拉伸展开。本实用新型可防止冲泡时面饼浮到水面而造成受热不均匀,影响面的口感;同时具备占用空间小,携带或运输方便,节省仓储和运输成本等优点。 ...

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15-08-2023 дата публикации

Rural logistics intelligent distribution system based on unmanned aerial vehicle

Номер: CN116596428A
Принадлежит:

The invention relates to the technical field of image filtering, in particular to a rural logistics intelligent distribution system based on an unmanned aerial vehicle. According to the system, an image block is constructed for each pixel point in a smoothed live-action gray-scale image, and a uniformity sequence is obtained according to gray-scale value change degrees of the image blocks; obtaining the similarity between the image blocks according to the gray level fluctuation difference between the image blocks, further obtaining a similarity set of each image block in combination with a uniformity sequence, obtaining a cluster set through the coincidence degree of the similarity sets, and obtaining a final cluster according to the serial number and size of the cluster; and finally, obtaining a noise estimation value according to the gray level fluctuation degree of the image blocks in the final cluster to obtain a noise suppression factor, optimizing Wiener filtering to obtain a clear ...

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27-07-2016 дата публикации

Ball room litchi protection retainfreshness packaging box

Номер: CN0205396997U
Принадлежит:

... 本实用新型公开了种球室荔枝保护保鲜包装盒,包括外包装盒和内包装盒,所述内包装盒置于外包装盒内部,所述内包装盒由可扣合的上半球室板和下半球室板组成,所述上半球室板上均匀分布多个凸起,所述下半球室板上设置与上半球室板的凸起相对应的凹槽,所述凸起与凹槽扣合后组成相应的球室;所述上、下两个半球室板内部均为中空结构,在两个半球室板的端分别设有注水口,所述注水口由筛子封口。本实用新型能够使得荔枝直保持在较低的温度和充足的水分环境下,大大延长了荔枝的保鲜期,同时在荔枝长途运输过程中,能够起到很好的保鲜、密封、降温、抑菌等作用;该包装盒具备实用性强且成本低廉等优点。 ...

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23-06-2023 дата публикации

Telemetering regrouping system based on satellite data characteristics

Номер: CN116318321A
Принадлежит:

The invention relates to a telemetering regrouping system based on satellite data characteristics, which is characterized in that telemetering data streams are received through an antenna link and a measurement and control baseband, obtained satellite telemetering original codes are decoded frame by frame to obtain baseband time, frame counting data and satellite engineering value data, and meanwhile, three-level labels of groups, group satellites and telemetering codes are set; satellite codes are added to different groups, a plurality of telemetering codes are selected for each satellite, and multiple groups are set in this way. The system judges telemetering points in a satellite engineering value one by one, data of the telemetering points are re-grouped into groups according to set label content, telemetering of each group is continuously increased, and finally a plurality of new telemetering data streams are formed and sent to telemetering applications of different channels for use ...

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29-06-2016 дата публикации

Instant coffee wrapping bag

Номер: CN0205345825U
Принадлежит:

... 本实用新型公开了一种速溶咖啡包装袋,包括外包装袋和内包装装置,所述外包装袋是现今较为普遍的长条形咖啡包装袋,内包装装置为具有较好刚度、无毒无味、耐热性好且具有良好的化学稳定性的PP空心管;所述PP空心管下端设有下开口,PP空心管下部侧壁上设置有数个开孔;在内包装袋的下开口处与开孔处贴有具有过滤性且对人体无害的滤纸。本实用新型的内包装装置可以代替勺子等用具对咖啡进行搅拌,加速了咖啡的溶解,咖啡从下开口和开孔通过滤纸渗透到杯中可以充分的溶解并且溶解均匀,同时可通过撕掉不同部位的滤纸来控制咖啡的溶解速度,方便了饮用者的使用,带来了诸多便利。 ...

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