| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 161 | Method for producing R-Fe-B based permanent magnet alloy recycled material having removed carbon | US14125715 | 2012-06-29 | US09657367B2 | 2017-05-23 | Katsuyoshi Furusawa; Atsushi Kikugawa |
| An object of the present invention is to provide a method for producing an alloy recycled material by effectively removing carbon from a carbon-containing alloy, which is produced as scrap or sludge of an R—Fe—B based permanent magnet, a used magnet, or the like. The method of the present invention as a means for resolution is characterized in that a carbon-containing R—Fe—B based permanent magnet alloy is subjected to an HDDR treatment to remove carbon. An alloy recycled material produced by the method of the present invention contains a reduced amount of carbon. Therefore, in the case where it is recycled for the production of a magnet, even when an increased amount is subjected to high-frequency heating in a vacuum melting furnace, a non-negligible increase in the amount of carbon contained in the produced magnet can be avoided. | ||||||
| 162 | Method and device for recovering hydrogen pulverized powder of raw-material alloy for rare-earth magnet | US14607016 | 2015-01-27 | US09643253B2 | 2017-05-09 | Shoji Nakayama; Kazuhiro Sonoda; Jyunichi Sanai |
| A method and a device for recovering hydrogen pulverized powder of a raw-material alloy for rare-earth magnets capable of lowering the possibility that hydrogen pulverized powder remains in a recovery chamber; therefore, enhancing magnetic properties by reducing an oxygen content of an obtained rare-earth magnet. A processing container 50 is carried into a recovery chamber 40 from a processing chamber after inert gas is introduced into the recovery chamber 40. The raw-material alloy for rare-earth magnets in the processing container 50 is discharged into the recovery chamber 40 after the pressure in the recovery chamber 40 is reduced Thereafter, inert gas is introduced into the recovery chamber 40, and the raw-material alloy for rare-earth magnets is recovered into the recovery container 50 after a pressure in the recovery chamber 40 is set to a predetermined pressure by inert gas. | ||||||
| 163 | METHOD FOR RECYCLING ELECTRODE MATERIALS OF LITHIUM ION BATTERIES | US15054075 | 2016-02-25 | US20160251740A1 | 2016-09-01 | RUI BI; XIAOPING ZHOU |
| A method for recycling electrode materials of lithium ion batteries, including the following steps: (1) disassembling the waste lithium ion battery to get positive electrode and negative electrode, immersing the positive electrode and/or the negative electrode into ammonia, then washing by deionized water and drying the positive electrode and/or the negative electrode; (2) sintering the dried positive electrode and/or the negative electrode, and using mechanical method to separate electrode powder material from current collector to get positive electrode powder material and/or negative electrode powder material; (3) supplementing lithium to the positive electrode powder material, then processing the positive electrode powder material by milling, spray drying and sintering to obtain regenerated positive electrode material; or processing the negative electrode powder material by milling, spray drying and sintering to obtain regenerated negative electrode material. The method has advantages of energy saving, simple operation, short processing time and less pollution. | ||||||
| 164 | Slurry recycling method, producing method of rare earth sintered magnet and slurry recycling apparatus | US13583967 | 2011-03-28 | US09358614B2 | 2016-06-07 | Mitsuaki Mochizuki |
| The present invention provides a producing method of a rare earth sintered magnet which is suitable as a producing method of a high performance rare earth sintered magnet which can reduce the number of steps for reusing defective molded bodies generated in a wet molding step of the rare earth sintered magnet, and which has a small content amount of oxygen. The invention also provides a slurry recycling method used for the producing method, and a slurry recycling apparatus. Each of the methods includes a crushing step of crushing, in mineral oil and/or synthetic fluid, a molded body in which slurry formed from alloy powder for a rare earth sintered magnet and mineral oil and/or synthetic fluid is wet molded in magnetic field, and recycling the crushed molded body into slurry. | ||||||
| 165 | SLURRY RECYCLING METHOD, PRODUCING METHOD OF RARE EARTH SINTERED MAGNET AND SLURRY RECYCLING APPARATUS | US14817362 | 2015-08-04 | US20160023276A1 | 2016-01-28 | Mitsuaki MOCHIZUKI |
| The present invention provides a producing method of a rare earth sintered magnet which is suitable as a producing method of a high performance rare earth sintered magnet which can reduce the number of steps for reusing defective molded bodies generated in a wet molding step of the rare earth sintered magnet, and which has a small content amount of oxygen. The invention also provides a slurry recycling method used for the producing method, and a slurry recycling apparatus. Each of the methods includes a crushing step of crushing, in mineral oil and/or synthetic fluid, a molded body in which slurry formed from alloy powder for a rare earth sintered magnet and mineral oil and/or synthetic fluid is wet molded in magnetic field, and recycling the crushed molded body into slurry. | ||||||
| 166 | Magnet Recycling | US14751442 | 2015-06-26 | US20150294786A1 | 2015-10-15 | Miha Zakotnik; Peter Afiuny; Scott Dunn; Catalina Oana Tudor |
| Methods, systems, and apparatus, including computer programs encoded on computer storage media, for recycling magnetic material to restore or improve the magnetic performance One of the methods includes fragmenting magnetic material to form a powder, mixing the powder with a) a rare earth material R and b) an elemental additive A to produce a homogeneous powder, wherein the rare earth material comprises at least one of: i) Nd, ii) Pr, and iii) Dy, and the elemental additive A comprises at least one of: i) Co, ii) Cu, and iii) Fe, and sintering and magnetizing the homogenous powder to form a Nd—Fe—B magnetic product. | ||||||
| 167 | Harvesting apparatus for magnet recycling | US14543296 | 2014-11-17 | US09095940B2 | 2015-08-04 | Miha Zakotnik; Peter Afiuny; Scott Dunn; Catalina Oana Tudor |
| Methods, systems, and apparatus, including computer programs encoded on computer storage media, for recycling magnetic material. One of the systems includes a system for harvesting a waste magnet from an end-of-life product, the system comprising a positioning mechanism that defines a recess to receive and locate the end-of-life product relative to the positioning mechanism, the end-of-life product including the waste magnet, a separating station to substantially separate a portion of the end-of-life product containing the waste magnet from the remainder of the end-of-life product when the positioning mechanism moves the respective end-of-life product through the separating station, and a transport station that receives the portion of the end-of-life product containing the waste magnet from the positioning mechanism when the positioning mechanism moves the respective end-of-life product to the transport station. | ||||||
| 168 | Magnet recycling to create Nd—Fe—B magnets with improved or restored magnetic performance | US14448823 | 2014-07-31 | US09067284B2 | 2015-06-30 | Miha Zakotnik; Peter Afiuny; Scott Dunn; Catalina Oana Tudor |
| Recycled Nd—Fe—B sintered magnets. One of the recycled Nd—Fe—B sintered magnets includes a composition of WaRbAc, where waste material W comprises material from a waste Nd—Fe—B sintered magnet, rare earth material R comprises at least one of: Nd or Pr, and elemental additives A comprises at least one of: Nd, Pr, Dy, Co, Cu, or Fe, and indices a, b, and c indicate atomic percentages of the corresponding compositions or elements and the atomic percentages of the rare earth material R and the elemental additives A have values satisfying Nd[0.1-19 at. %*s(Nd), x]Pr[0.1-19 at. %*s(Pr), y]Dy[0.1-19 at. %*s(Dy), z]Co[0 at. %, d]Cu[0 at. %, e]Fe[0 at. %, f] where [m,n] means a range from minimum m and maximum n, s(t) is the atomic percent of element t in starting composition, x=18 at. %-[81,99.9] at. %*(s(Nd)+s(Pr)+s(Dy)), y=18 at. %-[81,99.9] at. %*(s(Nd)+s(Pr)+s(Dy)), z=18 at. %-[81,99.9] at. %*(s(Nd)+s(Pr)+s(Dy)), d=3 at. %-[81,99.9] at. %*s(Co), e=0.3 at. %-[81,99.9] at. %*s(Cu), and f=77 at. %-[81,99.9] at. %*(s(Fe)+s(Co)). | ||||||
| 169 | Harvesting Apparatus for Magnet Recycling | US14543296 | 2014-11-17 | US20150068030A1 | 2015-03-12 | Miha Zakotnik; Peter Afiuny; Scott Dunn; Catalina Oana Tudor |
| Methods, systems, and apparatus, including computer programs encoded on computer storage media, for recycling magnetic material. One of the systems includes a system for harvesting a waste magnet from an end-of-life product, the system comprising a positioning mechanism that defines a recess to receive and locate the end-of-life product relative to the positioning mechanism, the end-of-life product including the waste magnet, a separating station to substantially separate a portion of the end-of-life product containing the waste magnet from the remainder of the end-of-life product when the positioning mechanism moves the respective end-of-life product through the separating station, and a transport station that receives the portion of the end-of-life product containing the waste magnet from the positioning mechanism when the positioning mechanism moves the respective end-of-life product to the transport station. | ||||||
| 170 | METHOD FOR PRODUCING R-FE-B BASED PERMANENT MAGNET ALLOY RECYLCED MATERIAL HAVING REMOVED CARBON | US14125715 | 2012-06-29 | US20140123809A1 | 2014-05-08 | Katsuyoshi Furusawa; Atsushi Kikugawa |
| An object of the present invention is to provide a method for producing an alloy recycled material by effectively removing carbon from a carbon-containing alloy, which is produced as scrap or sludge of an R—Fe—B based permanent magnet, a used magnet, or the like. The method of the present invention as a means for resolution is characterized in that a carbon-containing R—Fe—B based permanent magnet alloy is subjected to an HDDR treatment to remove carbon. An alloy recycled material produced by the method of the present invention contains a reduced amount of carbon. Therefore, in the case where it is recycled for the production of a magnet, even when an increased amount is subjected to high-frequency heating in a vacuum melting furnace, a non-negligible increase in the amount of carbon contained in the produced magnet can be avoided. | ||||||
| 171 | Recycling of tungsten carbides | US13500313 | 2010-10-26 | US08685137B2 | 2014-04-01 | Johan Arvidsson |
| The invention relates to a process for producing an iron-and/or tungsten containing powder or powder agglomerate including the steps of: a) mixing at least a first powder fraction comprising a tungsten carbide containing powder, and at least a second powder fraction comprising an iron oxide powder and/or a tungsten oxide containing powder and optionally an iron powder, the weight of the first fraction being in the range of 50-90% by weight of the mix and the weight of the second fraction being in the range of 10-50% by weight of the mix, b) heating the mix of step a) to a temperature in the range of 400-1300° C., preferably 1000-1200° C. The invention also relates to an iron-and/or tungsten containing powder or powder agglomerate. | ||||||
| 172 | POLLUTION-FREE METHOD FOR RECYCLING IRON-BASED GRINDING WASTE | US13587450 | 2012-08-16 | US20130091987A1 | 2013-04-18 | Shengen ZHANG; Bo LIU; Jianjun TIAN; Dean PAN; Bin LI |
| The invention provides a pollution-free reuse method for iron-based grinding waste, involving the technology of recycling economy, with special reference to the metallurgical industry, iron-based grinding waste green recycling technology. The present invention of the iron grinding waste recycling and reuse methods includes degreasing, heat treatment, sieving, matching, and obtains iron-based alloyed powders, which can be used in SHS lined steel pipe, powder metallurgy structural component, magnetic grinding, thermal spray. More than 95% iron-based alloyed powders can be recycled from wide source of iron-based grinding waste. The invention has the advantage of low cost, no secondary pollution and wide application. | ||||||
| 173 | SLURRY RECYCLING METHOD, PRODUCING METHOD OF RARE EARTH SINTERED MAGNET AND SLURRY RECYCLING APPARATUS | US13583967 | 2011-03-28 | US20130011293A1 | 2013-01-10 | Mitsuaki Mochizuki |
| The present invention provides a producing method of a rare earth sintered magnet which is suitable as a producing method of a high performance rare earth sintered magnet which can reduce the number of steps for reusing defective molded bodies generated in a wet molding step of the rare earth sintered magnet, and which has a small content amount of oxygen. The invention also provides a slurry recycling method used for the producing method, and a slurry recycling apparatus. Each of the methods includes a crushing step of crushing, in mineral oil and/or synthetic fluid, a molded body in which slurry formed from alloy powder for a rare earth sintered magnet and mineral oil and/or synthetic fluid is wet molded in magnetic field, and recycling the crushed molded body into slurry. | ||||||
| 174 | RECYCLING OF TUNGSTEN CARBIDES | US13500313 | 2010-10-26 | US20120251380A1 | 2012-10-04 | Johan Arvidsson |
| The invention relates to a process for producing an iron-and/or tungsten containing powder or powder agglomerate including the steps of: a) mixing at least a first powder fraction comprising a tungsten carbide containing powder, and at least a second powder fraction comprising an iron oxide powder and/or a tungsten oxide containing powder and optionally an iron powder, the weight of the first fraction being in the range of 50-90% by weight of the mix and the weight of the second fraction being in the range of 10-50% by weight of the mix, b) heating the mix of step a) to a temperature in the range of 400-1300° C., preferably 1000-1200° C. The invention also relates to an iron-and/or tungsten containing powder or powder agglomerate. | ||||||
| 175 | SYSTEMS AND METHODS FOR RECYCLING SEMICONDUCTOR MATERIAL REMOVED FROM A RAW SEMICONDUCTOR BOULE | US12524142 | 2008-01-25 | US20100199909A1 | 2010-08-12 | Eberhard Bamberg; Dinesh R. Rakwal; Dean Jorgensen; Ian R. Harvey; Michael L. Free; Alagar K. Balaji |
| Methods of recycling excess semiconductor material removed from an unshaped semiconductor boule are disclosed. Excess semiconductor material is cut from an semiconductor unshaped boule thereby generating a shaped semiconductor boule. The excess semiconductor material is removed in the form of large pieces that can easily be cleaned and retrieved for reuse. | ||||||
| 176 | Antioxidation coating for steel and antioxidation method using the same | US12062246 | 2008-04-03 | US07494692B2 | 2009-02-24 | Shufeng Ye; Lianqi Wei; Yusheng Xie; Yunfa Chen; Jianping Qiu; Dejun Zou; Ze Zhang; Yingkun Zou |
| The present disclosure relates to an antioxidation coating for steel. In one example, the coating is produced by mixing magnesian mineral, layered silicate, metallurgical solid waste, aluminum powder, organic thickener and inorganic binder including the components of Al2O3, SiO2, MgO, CaO, Fe2O3 or the like with water, and the final coating density is adjusted to 1,100˜1,500 kg/m3 by adding water. | ||||||
| 177 | Aluminum recovering dry system and process | US11625766 | 2007-01-22 | US07441716B2 | 2008-10-28 | Emile Arseneault; Andre Simard |
| A closed circuit, dry processing system for processing aluminum containing products and producing reusable particles of aluminum, and a process thereof. The aluminum containing products are crushed into chips which are then separated into iron-based and ironless chips. The ironless chips are further crushed into chip fragments which are controllably supplied into a granulation chamber where the chip fragments are granulated into spheroidal particles of aluminum and other particles of organic and carbonic materials. A controlled upward airflow produced in the granulation chamber draws those of the particles exceeding a desired granulation degree out of the granulation chamber. The particles are classified as a function of their sizes and then separated as a function of their weight so that the spheroidal particles of aluminum forming the reusable particles of aluminum and residues formed by the other particles are released separately. | ||||||
| 178 | Method for producing metal foam bodies | US10542325 | 2003-12-22 | US07396380B2 | 2008-07-08 | Richard Kretz; Karin Renger; Gottfried Rettenbacher; Anton Hinterberger |
| The invention relates to a method for producing a metal foam body, according to which a molten material containing gas is prepared and said molten material is left to solidify, thus forming a metal foam body. The aim of the invention is to produce high-quality metal foam bodies with a desired shape, without requiring complex equipment and whilst reducing the safety risk for the operating personnel. To achieve this, the material used is fused under atmospheric pressure and gas is simultaneously and/or subsequently introduced into the molten metal. The latter is then poured into a mold and is left to solidify, whereby the ambient pressure is reduced at least temporarily. | ||||||
| 179 | Device for a layerwise manufacturing of a three-dimensional object | US11986496 | 2007-11-21 | US20080131546A1 | 2008-06-05 | Hans Perret; Peter Keller |
| A device (1) for manufacturing a three-dimensional object by a layerwise solidification of a building material at positions in the respective layers corresponding to the object is provided. The device comprises a machine frame (2, 3, 4, 5) and a building space (10) located in said machine frame, wherein in the building space (10) there are arranged: an application device (27) that applies layers of the building material onto a support device (26) and a previously solidified layer, respectively, by means of an application element (61); a dosage device (28, 29) that supplies building material from a building material accommodation region (23, 24) to the application device (27) for an application; and a heating device (31) for heating the applied layers of the building material. The building material accommodation region (23, 24) is limited by a wall that has a double-wall structure, so that a hollow space (34, 35) is formed therein. | ||||||
| 180 | Method for Producing Fibers from Waste | US11556682 | 2006-11-03 | US20080106004A1 | 2008-05-08 | Yao-Chung Hu |
| A method for producing fibers from waste includes heating waste into molten fluid having a temperature allowing rolling, rolling the molten fluid, and drawing the molten fluid after rolling by a centrifugal force and cooling the molten fluid to form solid fibers. The molten fluid is rolled to destroying tension and spreads out to increase free surface area. The molten fluid after rolling is drawn in a centrifugal direction and cooled with air cooling to form solid fibers. | ||||||
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