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61results about How to "Ensure thorough cleaning" patented technology

Crystal-Growing furnace with convectional cooling structure

A crystal-growing furnace with a convectional cooling structure includes a furnace body, a heating room, and at least one heater. The heating room is accommodated in the furnace body, and includes an upper partition, a plurality of side partitions, and a lower partition. The upper partition is provided with an upper opening, and the lower partition with a central opening. Further, the heating room is provided with an upper door, a lower door, an upper driver, and a lower driver. When silicon slurry is to be cooled and solidified, cooling gaseous stream flows into a lower portion of the heating room through the central opening. Then the upper opening is opened by the upper door which is driven by the upper driver, so that heated gaseous stream is discharged from the upper opening and flows downward along furnace inside wall, and flows back to the heating room from the central opening. Therefore, an automatic convectional circulating cooling flow field can be formed, such that the silicon slurry can be cooled quickly with time saved and production efficiency improved. Further, in the process of cooling and crystal growing from the silicon slurry, solidification and crystallization start from bottom to upward of the silicon slurry, such that inner stress and corner fracture may not be occurred to the silicon crystal ingots, and that a desirable quality of the silicon crystal ingots can be obtained.
Owner:GREEN ENERGY TECH

Hydrodynamic bearing unit

ActiveUS20090034888A1High oil resistanceLow outgassing propertyShaftsRecord information storageEngineeringHigh resistance
A housing for a hydrodynamic bearing unit of this type is formed from a resin material having high oil resistance and low outgassing property to ensure the cleanliness of the bearing unit. An ester-based lubricating oil is used as a lubricating oil filled inside the hydrodynamic bearing unit 1, and the housing 7 is formed from an LCP-based resin material.
Owner:NTN CORP +1

Feed-through ultrasonic cleaning system for winding of large-sized superconducting coils

A feed-through ultrasonic cleaning system for winding of a large-sized superconducting coil, including a sealed chamber system, a main ultrasonic cleaning system, a deionized water spraying system, a compressed air blow-drying system, an automatic control system. During the winding of an armored superconducting coil, a superconducting conductor which is fed at a constant speed successively passes through a sealed chamber, an ultrasonic cleaning chamber, a first compressed air blow-drying chamber, a deionized water spray chamber, and a second compressed air blow-drying chamber in the ultrasonic cleaning system. By integrating mechanical dynamic sealing, ultrasonic cleaning and automatic control, the present invention meets a special requirement of removing oil and completely cleaning the conductor during the winding of large-sized superconducting coils.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Pressure feed container, storage method using the pressure feed container, and method for transferring liquid using the pressure feed container

The present invention provides a pressure feed container capable of ensuring the cleanliness of a liquid such as a protective film-forming liquid chemical or a protective film-forming liquid chemical kit for preparing the liquid chemical even after long-term storage, and also capable of suppressing electrostatic charge in the liquid. The present invention provides a pressure feed container configured to store a protective film-forming liquid chemical or a protective film-forming liquid chemical kit that is mixed into the protective film-forming liquid chemical, and to transfer a liquid upon application of pressure to the inside of the container, the protective film-forming liquid chemical being for forming a water-repellent protective film on at least surfaces of recessed portions of an uneven pattern formed on a surface of a wafer containing a silicon element at least at a part of the uneven pattern. The protective film-forming liquid chemical contains a nonaqueous organic solvent, a silylation agent, and an acid or a base; the protective film-forming liquid chemical kit includes a treatment liquid A containing a nonaqueous organic solvent and a silylation agent, and a treatment liquid B containing a nonaqueous organic solvent and an acid or a base; the pressure feed container includes a container body configured to contain a liquid selected from the protective film-forming liquid chemical, the treatment liquid A, and the treatment liquid B, and a liquid flowing nozzle configured such that the liquid flows therethrough to be introduced into the container body and/or to be extracted from the container body; the container body includes a metal can body in which a portion configured to contact the liquid is formed from a resin material; the liquid flowing nozzle is provided with a neutralization mechanism configured to reduce electrostatic potential in the liquid; and a liquid contact portion of the liquid flowing nozzle excluding the neutralization mechanism is formed from a resin material.
Owner:CENT GLASS CO LTD

Cleaning device for electronic technological product accessory

The invention discloses a cleaning device for an electronic technological product accessory. The cleaning device for the electronic technological product accessory comprises a base, a cleaning liquidcavity, a power cavity, a lifting cross beam, rectangular sliding blocks, springs, a rigid stay cord, a cleaning box, mechanical grippers, spray nozzles, support stand columns and a winding wheel. According to the cleaning device for the electronic technological product accessory, through cooperative use of the lifting cross bean, the rectangular sliding blocks, the springs, the rigid stay cords,the cleaning box, the mechanical grippers, the spray nozzles, the support stand columns and the winding wheel, the mechanical grippers can isolate and fix the electronic product accessories and protects the electronic product accessories against collision, it is avoided that the electronic product accessories collide during cleaning and are damaged, and normal use of the electronic products is guaranteed; and due to use of a water pump and the spray nozzles, the electronic product accessories can be comprehensively cleaned, it is guaranteed that the electronic product accessories are thoroughly cleaned, and the problem that the cleaning effect of a cleaning device is poor is solved.
Owner:苏州和必尔斯电子科技有限公司

Water storage type bird feeding device

A water storage type bird feeding device includes: a water storage part, which is in a cylindrical shape for water storage, a food storage part, which is arranged below the water storage part and comprises a cylindrical portion and a disk-like portion, the cylindrical portion and the disk-like portion are in communication to form a communicating cylinder portion, the disk-like portion is used to save food, a column stopper, which is able to move up and down in the communicating cylinder portion; a hook, which is connected to the column stopper for hanging the bird feeding device, wherein the communicating cylinder portion comprises a smallest diameter portion at a central portion thereof in a vertical direction, and the diameter of the column stopper is larger than an inner diameter of the smallest diameter portion.
Owner:LF CENTENNIAL

Fire-fighting unmanned aerial vehicle lens cleaning device capable of preventing smoking based on magnetic force change

The invention provides a fire-fighting unmanned aerial vehicle lens cleaning device capable of preventing smoking based on magnetic force change. The fire-fighting unmanned aerial vehicle lens cleaning device comprises a lens barrel body, wherein a sliding groove is formed in the inner part of the lens barrel body and is positioned on the outer side of a protective lens; a sliding seat is movablyconnected to the inner part of the sliding groove and is positioned above a storage seat; cleaning cotton is arranged between the sliding seat and the storage seat; a heat conducting rod extending into an air cavity is fixedly inserted into the front surface of the lens barrel body; uniformly distributed conducting strips are fixedly arranged on the left side of the sliding groove; and electromagnets corresponding to the conducting strips are fixedly arranged at the bottom of the sliding groove. The closer an unmanned aerial vehicle is to a fire area, the higher the air temperature is, heat istransmitted into the air cavity through the heat conducting rod, the inner pressure of the air cavity is increased to a certain degree and then ejects a valve, the air flow pushes the sliding seat torotate along the sliding groove, power is provided through the conducting strips and the electromagnets, the sliding seat pulls the cleaning cotton to wipe and clean the protective lens, and the problem that the protective lens of a camera on the unmanned aerial vehicle is smoked and blurred is avoided.
Owner:浙江翔龙航空科技有限公司

Washer for Establishing Electrical Continuity

A washer is designed to establish a reliable electrical connection between the washer and a core structure of the main conductor aircraft structure. The washer includes a conductive central main body arranged substantially in a first plane and including an opening adapted to receive a fastener and an outer edge and at least three serrated conductive projections. Each serrated projection includes a first end and a second end. The first end is attached to the conductive central main body and the second end is a free end including at least one conductive tooth. The second end is located in a second plan other than the first plane and is of the type that can deform under pressure. The attachment between the conductive central main body and each serrated conductive projection is of the type that can deform under pressure.
Owner:AIRBUS DEFENCE & SPACE

Crystal-growing furnace with convectional cooling structure

A crystal-growing furnace with a convectional cooling structure includes a furnace body, a heating room, and at least one heater. The heating room is accommodated in the furnace body, and includes an upper partition, a plurality of side partitions, and a lower partition. The upper partition is provided with an upper opening, and the lower partition with a central opening. Further, the heating room is provided with an upper door, a lower door, an upper driver, and a lower driver. When silicon slurry is to be cooled and solidified, cooling gaseous stream flows into a lower portion of the heating room through the central opening. Then the upper opening is opened by the upper door which is driven by the upper driver, so that heated gaseous stream is discharged from the upper opening and flows downward along furnace inside wall, and flows back to the heating room from the central opening. Therefore, an automatic convectional circulating cooling flow field can be formed, such that the silicon slurry can be cooled quickly with time saved and production efficiency improved. Further, in the process of cooling and crystal growing from the silicon slurry, solidification and crystallization start from bottom to upward of the silicon slurry, such that inner stress and corner fracture may not be occurred to the silicon crystal ingots, and that a desirable quality of the silicon crystal ingots can be obtained.
Owner:GREEN ENERGY TECH
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