According to the present invention, provided is a shaft grounding apparatus for an electric motor, the shaft grounding apparatus comprising: a brush unit comprising a discharging brush made of a conductive material, and a brush holder fixing the discharging brush; and a housing accommodating the brush holder, wherein the brush holder comprises: a first holder member in which a brush stopper recess is formed; and a second holder member on which a brush stopper protrusion inserted into the brush stopper recess is formed, and the discharging brush extends to pass between the brush stopper recess and the brush stopper protrusion and is provided with a tip extension extending from the brush holder so that the tip thereof is exposed to the outside of the housing.
H02K 11/40 - Structural association with grounding devices
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 11/026 - Suppressors associated with brushes, brush holders or their supports
H01R 13/652 - Protective earth or shield arrangements on coupling devices with earth pin, blade or socket
According to an aspect of the present invention, a shaft grounding device for an electric motor is provided, the device comprising: discharge brushes made of an electrically conductive material; a plurality of brush holders arranged circumferentially with respect to a central axis to fix the discharge brushes; a ring-shaped holder support member arranged with respect to the central axis; and a ring-shaped support body arranged with respect to the central axis to be coupled to the holder support member, wherein the holder support member has formed therein a plurality of holder mounting recesses in which the plurality of brush holders are respectively mounted, the discharge brushes have protrusions that protrude radially inward with respect to the holder support member and are exposed to the outside, and the discharge brushes have a band shape, and band surfaces of the protrusions are arranged perpendicular to the central axis.
H02K 11/40 - Structural association with grounding devices
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H01R 13/652 - Protective earth or shield arrangements on coupling devices with earth pin, blade or socket
Provided, according to the present invention, is a heat exchanger including: a pipe structure having an inlet and an outlet formed therein and providing a flow path which is extended between the inlet and the outlet and through which a refrigerant flows; and a heat dissipation structure coupled to the pipe structure to exchange heat between the refrigerant and an external fluid, wherein the heat dissipation structure is made of a composite material comprising a resin material and a carbon material.
F28F 1/24 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
B21D 53/08 - Making other particular articles heat exchangers, e.g. radiators, condensers of both metal tubes and sheet metal
Disclosed is a tray for an ice maker. The tray for an ice maker of the present invention is characterized by comprising: a tray body which is molded from a conductive composite material including a conductive material and a base resin, wherein the conductive material forms an electrical network and generates heat through electrical resistance, thus enabling separation of ice; and power terminals which receive external power and supply power to the tray body, wherein a plurality of ice-making compartments are provided in at least two rows in the tray body, and the plurality of power terminals are configured so that positive and negative polarities are alternately changed from one end surface to the other end surface on the basis of the left and right direction of the tray body. According to the present invention, the base resin and the conductive material (carbon members) are well mixed so that carbon members are efficiently dispersed within the base resin, thereby making it possible to maximize heat dissipation performance of the tray body and improve injection properties.
F25C 5/08 - Apparatus for disintegrating, removing or harvesting ice without the use of saws by heating bodies in contact with the ice
H05B 3/14 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
B29C 43/18 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
5.
PLANAR HEATING ELEMENT, AND CLOTHING MANAGEMENT APPARATUS, HOT/COLD WATER PURIFIER AND FLOOR HEATING PANEL FOR BUILDING, COMPRISING THE SAME
A planar heating element according to the present invention is configured such that a pair of wires are inserted into a matrix formed by forming a base resin and a conductive material, so that heat is generated by means of electrical resistance that is generated inside the matrix when power is applied, wherein the planar heating element has a simple structure and is easy to manufacture and can achieve a sufficient heating effect regardless of thermal conductivity. In addition, the planar heating element is divided into a heating part and a non-heating part, and the heating part and the non-heating part are integrally manufactured through a double injection molding method. Thus, the present invention has advantages in that various shapes of planar heating elements can be manufactured and that manufacturing costs and manufacturing time can be reduced due to the manufacturing process being simple.
H05B 3/44 - Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
H05B 3/18 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being embedded in an insulating material
Provided, according to the present invention, is a heat exchanger comprising: a pipe structure having an inlet and an outlet formed therein and providing a flow path which extends between the inlet and the outlet and through which a refrigerant flows; and a heat dissipation structure coupled to the pipe structure to exchange heat between the refrigerant and an external fluid, wherein the heat dissipation structure is made of a composite material comprising a resin material and a carbon material.
F28F 1/30 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
F28F 21/02 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of carbon, e.g. graphite
F28F 21/06 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
F28F 1/28 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being integral with the element the element being built-up from finned sections
F28D 1/047 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
F28F 17/00 - Removing ice or water from heat-exchange apparatus
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
7.
POWDER MATERIAL SYNTHESIZING APPARATUS AND METHOD USING SERIAL MULTI-STAGE PLASMA
The present invention provides a powder material synthesizing apparatus comprising: a first plasma generating module for forming a first plasma reaction space; a second plasma generating module for forming a second plasma reaction space located downstream of the first plasma reaction space; and a plasma powder synthesizer having a third plasma generating module for forming a third plasma reaction space located downstream of the second plasma reaction space. In the first plasma reaction space, a plurality of heterogeneous basic materials are synthesized by plasma to produce a first powder synthetic product in powder form. In the second plasma reaction space, the first powder synthetic product and a first additional material are synthesized by plasma to produce a second powder synthetic product in powder form. In the third plasma reaction space, the second powder synthetic product and a second additional material are synthesized by plasma to produce a third powder synthetic product in powder form.
B01J 19/08 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor
B01J 19/12 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing electromagnetic waves
C01B 33/18 - Preparation of finely divided silica neither in sol nor in gel formAfter-treatment thereof
C01B 32/05 - Preparation or purification of carbon not covered by groups , , ,
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
The present invention provides a system for manufacturing a wet-laid recycled nonwoven fabric. The system comprises: a first dispersing device for applying a physical impact to waste nonwoven fabric pieces in water to disperse the waste nonwoven fabric pieces; a second dispersing device for dispersing, by using a stirrer, the waste nonwoven pieces in a first waste nonwoven mixed solution discharged from the first dispersing device; a web manufacturing device for manufacturing a nonwoven web by introducing a mixed raw material solution into water through a sieve placed above the water, and then draining the water inside, the mixed raw material solution being formed by adding a fixing agent to a second waste nonwoven mixed solution discharged from the second dispersing device; a drainage unit for discharging water from the web manufacturing device; and a water recycling unit for recycling wastewater discharged from the web manufacturing device by the drainage unit, wherein the water recycling unit supplies water to at least one of the first dispersing device, the second dispersing device, and the web manufacturing device by processing the wastewater.
D01G 11/00 - Disintegrating fibre-containing articles to obtain fibres for re-use
D01G 13/00 - Mixing, e.g. blending, fibresMixing non-fibrous materials with fibres
D04H 1/58 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
An aspect of the present invention provides a heating module for an induction range, the heating module comprising: a coil base made of a material including resin; and a composite material coil which is integrated with the coil base while being elongated and acts as an electric wire, wherein: the composite material coil is a composite material in which resin is mixed with an electrically conductive material; and the resin of the coil base and the resin of the composite material coil are homogeneous or heterogeneous.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
10.
PLANAR HEATING ELEMENT, AND CLOTHING MANAGEMENT APPARATUS, HOT/COLD WATER PURIFIER AND FLOOR HEATING PANEL FOR BUILDING, COMPRISING SAME
A planar heating element according to the present invention is configured such that a pair of wires are inserted into a matrix formed by molding a base resin and a conductive material, so that heat is generated by means of electrical resistance that is generated inside the matrix when power is applied. Thus, the planar heating element has a simple structure and is easy to manufacture and can achieve a sufficient heating effect regardless of thermal conductivity. In addition, the planar heating element is divided into a heating part and a non-heating part, and the heating part and the non-heating part are integrally manufactured through a double injection molding method. Thus, the present invention has advantages in that various shapes of planar heating elements can be manufactured and that manufacturing costs and manufacturing time can be reduced due to the manufacturing process being simple.
H05B 3/20 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
H05B 3/12 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
H05B 3/44 - Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
11.
Apparatus and method for recycling nonwoven fabric
The present invention provides a nonwoven fabric recycling apparatus and a nonwoven fabric recycling method using same, the apparatus including: a mixing tank in which pulverized waste nonwoven fabric bodies and a filler are dispersed in water and mixed with each other to form a waste nonwoven fabric mixture; a fixing agent addition part for supplying a fixing agent for aggregating the pulverized waste nonwoven fabric bodies and the filler to the nonwoven fabric mixture to form a recycling raw material; and a filter tank in which the recycling raw material supplied thereto is received so that a recycling sheet is formed.
The present invention relates to a method for manufacturing a composite material product. According to the present invention, provided is a method for manufacturing a composite material product, the method comprising: a material mixing step of dispersing and mixing reinforcing fibers, resin, and additives with water to obtain a composite material raw slurry; a raw material introduction step of supplying the composite material raw slurry onto a filter, with which a filter bath is equipped and which allows water to pass therethrough; a draining step of draining water from the filter bath, into which the composite material raw slurry is introduced, to obtain a drained raw slurry remaining on the filter; a vacuum dehydration step of forming a vacuum in a space under the filter to obtain a composite material base sheet having reduced moisture from the drained raw slurry; a compression dehydration step of compressing the composite material base sheet to obtain a compressed sheet having reduced moisture; a blanking step of blanking a composite material board having the compressed sheet to obtain an intermediate product; and a final processing step of heating the intermediate product to obtain a final product.
The present invention provides a nonwoven fabric recycling apparatus and a nonwoven fabric recycling method using same, the apparatus comprising: a mixing tank in which pulverized waste nonwoven fabric bodies and a filler are dispersed in water and mixed with each other to form a waste nonwoven fabric mixture; a fixing agent addition part for supplying a fixing agent for agglomerating the pulverized waste nonwoven fabric bodies and the filler to the nonwoven fabric mixture to form a recycling raw material; and a filter tank in which the recycling raw material supplied thereto is received so that a recycling sheet is formed, wherein the filter tank includes : a filter tank body for providing an inner space; and a filter net horizontally installed in the inner space so as to divide the inner space into the upper space and the lower space and allowing water in the recycling raw material to pass therethrough downward, and the recycling raw material is supplied to the upper space.
Provided according to the present invention is a BLDC motor comprising: a stator including a stator core and a stator winding coil; and a rotor including a body part and a plurality of magnets coupled to the body part and rotating with respect to the stator, wherein the stator core comprises: a yoke part; and a plurality of stator coil winding parts protruding from the yoke part and having the stator winding coil wound thereon, and is made of a composite material of a conductive nanomaterial-based polymer compound.
H02K 11/21 - Devices for sensing speed or position, or actuated thereby
H02K 9/02 - Arrangements for cooling or ventilating by ambient air flowing through the machine
H02K 3/02 - Windings characterised by the conductor material
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
H02K 3/16 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots for auxiliary purposes, e.g. damping or commutating
H02K 3/48 - Fastening of windings on the stator or rotor structure in slots
patents
