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35results about How to "Reduce or avoid access to" patented technology

Clean room

The invention relates to the technical field of clean plants, and discloses a clean room. The clean room includes a pressure regulating equipment assembly, and the pressure regulating equipment assembly is used for regulating air pressure in a double wall sandwich channel of an upper technical interlayer to make the air pressure in the double wall sandwich channel of the upper technical interlayerhigher than air pressure in an adjacent upper technical interlayer with a pollution source and an adjacent upper technical interlayer without the pollution source when the clean room is in normal production; and/or the pressure regulating equipment assembly is used for regulating air pressure in a double wall sandwich channel of a lower technical interlayer to make the air pressure in the doublewall sandwich channel of the lower technical interlayer higher than that in an adjacent lower technical interlayer with the pollution source and an adjacent lower technical interlayer without the pollution source when the clean room is in normal production, or, make the air pressure in the double wall sandwich channel of the lower technical interlayer less than that in the adjacent lower technicalinterlayer with the pollution source and the adjacent lower technical interlayer without the pollution source when the clean room is in normal production. According to the disclosed clean room, pollutants generated by a production area with the pollution source entering a production area without the pollution source can be lowered or avoided to increase the yield of products in the production area without the pollution source.
Owner:S Y TECH ENG & CONSTR CO LTD +1

Barrel assembly and clothes processing equipment

The invention discloses a barrel assembly and clothes processing equipment. The barrel assembly comprises an outer barrel, an inner barrel and a first heating part. A water storage area is arranged on the inner lower portion of the outer barrel; a water inlet is formed in the outer barrel; the first heating part is arranged in the water storage area and used for heating water in the water storage area to generate steam; the inner barrel is rotatably arranged in the outer barrel; a partition cavity is defined between the outer barrel and the inner barrel; a communicating hole for communication between a clothes processing cavity and the partition cavity is formed in the inner barrel; and when the inner barrel is located at any angle position, the water inlet and the communicating hole are staggered. According to the barrel assembly in the embodiment of the invention, a steam washing mode can be achieved without additionally arranging a steam generator, and the relative positions of the communicating hole in the inner barrel and the water inlet in the outer barrel are optimally designed, so that the situation that water enters the inner barrel can be reduced or prevented in the process of supplying the water to the water storage area, the situation that the clothes are wetted can be reduced or prevented in the steam washing mode, the requirement for steam washing is met, and the steam washing performance of the whole machine is improved.
Owner:WUXI LITTLE SWAN ELECTRIC CO LTD

Cleaning device

The present invention provides a cleaning device which comprises a main body part on which a filter for filtering dust air is mounted, and an air inlet pipeline through which the dust air is introduced into the filter; the device also comprises a dust cup which moves close to the air inlet pipeline; and an ejection device, wherein one end of the ejection device is installed on the main body part, the other end of the ejection device abuts against the dust cup, an ash scraping part is installed on the ejection device, and the an ash scraping part abuts against or abuts against the filter; when the ejection device moves, the abutting dust cup is pushed to move, and meanwhile the dust scraping part scrapes the filter. The automatic ash scraping can be achieved while the ejection dust cup moves; in the ejection process of the dust cup, the dust cup is tightly attached to the air inlet pipeline, and an overlapping part exists between the dust cup and the air inlet pipeline, so that dust in a first-stage dust area is reduced or prevented from entering the air inlet pipeline, and dust raising is reduced or avoided; in the ejection process of the dust cup and after ejection, the first-stage dust area between an outer barrel and an inner barrel is always sealed, dust raising is effectively prevented, and the influence on user experience and the dust collection effect is reduced or avoided.
Owner:DREAM INNOVATION TECH (SUZHOU) CO LTD

Environment-friendly steel lattice plate manhole cover

The invention provides an environment-friendly steel lattice plate manhole cover. The environment-friendly steel lattice plate manhole cover comprises a steel lattice plate and a filtering assembly, the filtering assembly comprises a filter screen and a filter screen framework, the filter screen is installed in the filter screen framework, the filter screen framework is provided with at least twoinstallation columns distributed circumferentially, the steel lattice plate comprises a frame body, and further comprises flat steel and cross rods which are arranged in the frame body in warp and weft arrangement, the outer edge of the bottom side of the frame body uniformly extends downwards in the circumferential direction to form step grooves capable of being used for accommodating the filterscreen framework, step holes are formed in the inner bottom walls of the step grooves, elastic ring bodies are arranged in the thick ends of the step holes, one ends of the elastic ring bodies are fixedly connected with the step positions of the step holes, the step holes correspond to the installation columns one to one, the installation columns penetrate from the thick ends of the step holes through the elastic ring bodies to extend into the thin ends of the step holes, and the elastic ring bodies are in interference connection with the installation columns. According to the environment-friendly steel lattice plate manhole cover, the filter screen framework and the frame body can be fixed, the structure is simple, and installation is convenient, garbage entering to a drainage ditch can be reduced or avoided, and thus the degree of water pollution is decreased.
Owner:TIANCHANG FEILONG BRAND STEEL GRID

Rotating shaft dynamic sealing structure and method for replacing sealing ring of rotating shaft dynamic seal

The invention discloses a rotating shaft dynamic sealing structure. The rotating shaft dynamic sealing structure includes a shell and a rotating shaft; a shaft hole is arranged on the shell; the rotating shaft passes through the shaft hole; the rotating shaft outside the shell is sleeved with a stuffing box; the stuffing box contains a bottom plate and a cylinder connected to one side of the bottom plate; the middle of the bottom plate is provided with a first circular hole, and the diameter of the first circular hole is larger than the diameter of the rotating shaft; a plurality of first fixing holes are arranged on the edge of the bottom plate; the stuffing box is connected to the shell by bolts; the cylinder is sequentially provided with an air blowing ring, at least two sealing rings and a stuffing box gland from the inside to the outside; the side wall of the air blowing ring is provided with an air blowing hole; the air blowing hole is connected to compressed air; and the inner diameter of the air blowing ring is larger than the diameter of the rotating shaft. The invention also discloses a method for replacing the sealing ring of the rotating shaft dynamic seal. The technical scheme reduces or avoids particle powders entering the sealing ring, and prolongs the service life of the sealing ring; and the structure of semi-stuffing boxes and semi-sealing rings simplifies thesteps of replacing the sealing ring, so that maintenance workload and maintenance time are saved.
Owner:陕西宏达实业有限公司

Internet-of-Things instrument paster SIM card performance detection apparatus and method therefor

The invention relates to a device for detecting the performance of a chip SIM card for an Internet of Things instrument, which belongs to the technical field of detection devices, and solves the problem of shutdown and rework of the production process caused by the abnormality of the existing chip SIM card. The technical solution for solving the problem mainly includes working platform, main control board and communication module, the main control board is connected with test pins, the workbench includes a first installation part and a second installation part, the patch SIM card to be tested is installed on the workbench through the first installation part, and the test The needle is installed on the workbench through the second installation part, and the state of the current patch SIM card is judged by the communication state of the communication module and the mobile network; the advantage of the present invention is that the state of the patch SIM card can be obtained before production, It can reduce or prevent abnormal patch SIM cards from entering production, and avoid the rework phenomenon of subsequent patch SIM cards. In addition, the present invention also provides a method for testing the performance of a patch SIM card for an Internet of Things instrument, including the above-mentioned device .
Owner:GOLDCARD HIGH TECH

Manufacturing method of split-gate flash memory

The invention discloses a method for manufacturing a split-gate flash memory, comprising: forming field oxygen in a semiconductor substrate and isolating a plurality of active regions, each active region comprising a plurality of active regions in a stripe structure and parallel to each other Rows, the rows of active regions corresponding to the source regions are connected to form a whole line in the column direction and form active region columns; select gates are formed, and each select gate is in a strip-shaped column structure and parallel to each other; floating gates are formed, and the floating gates are formed in On the row of the active region on the first side of the corresponding selection gate; forming an erasing gate, each erasing gate covers the top surface of the first side of the selection gate and extends to the top of the floating gate; Covering the vertical sides of the region column with a dielectric layer; forming a photoresist pattern to open the active region column, part of the erasing gate near the first side, and each floating gate outside the first side; performing source injection. The invention can protect the floating gate during the source injection, prevent the source injection from affecting channel penetration, thereby improving the performance of the device.
Owner:SHANGHAI HUALI MICROELECTRONICS CORP

Tub assembly and laundry treatment equipment

The invention discloses a bucket body assembly and clothes processing equipment. The bucket body assembly includes: an outer bucket, an inner cylinder and a first heating element. The inner lower part of the outer barrel has a water storage area, and a water inlet is formed on the outer barrel. The first heating element is arranged in the water storage area for heating the water in the water storage area to generate steam. The inner barrel is rotatably arranged in the outer barrel A spacer cavity is defined between the inner and outer barrels and the inner cylinder, and a communication hole connecting the clothes processing chamber and the spacer cavity is formed on the inner cylinder; wherein, when the inner cylinder is at any angle position, the water inlet and the communication hole are all staggered. According to the barrel assembly of the embodiment of the present invention, the steam washing mode can be realized without an additional steam generator, and by optimizing the relative position of the communication hole on the inner barrel and the water inlet on the outer barrel, in the water supply and storage area During the water supply process, water can be reduced or prevented from entering the inner cylinder, thereby reducing or avoiding wet clothes in the steam washing mode, which is conducive to meeting the requirements of steam washing and improving the steam washing performance of the whole machine.
Owner:WUXI LITTLE SWAN ELECTRIC CO LTD

Clothes treatment equipment

The invention relates to clothes treatment equipment. The clothes treatment equipment comprises a box body, an outer barrel, a drying device, a fluff filtering and collecting device and a condensing device; the drying device communicates with the outer barrel to convey hot air used for drying clothes; the fluff filtering and collecting device communicates with the outer barrel so as to filter and collect fluff in the damp and hot gas discharged by the outer barrel; the fluff filtering and collecting device is arranged in the box body and is at least partially detachable so as to clean the fluff; and the condensing device communicates with the fluff filtering and collecting device and the drying device separately, and the condensing device is used for cooling wet and hot gas and conveying the cooled gas to the drying device. The fluff filtering and collecting device in the clothes treatment equipment can filter and collect fluff in damp and hot gas discharged by the outer barrel, and the fluff entering the condensing device and the drying device along with the gas is reduced or avoided; and at least part of the fluff filtering and collecting device is detachable, so that a user can conveniently clean the fluff; and gas discharged from the fluff filtering and collecting device can enter the drying device to be reused, so that resources are saved.
Owner:WUXI LITTLE SWAN ELECTRIC CO LTD
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