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1. 发明公开

US20240318913A1 HEAT TREATMENT FURNACE AND SLIDING UNIT 审中-公开
公开(公告)号：US20240318913A1
公开(公告)日：2024-09-26
申请号：US18610435
申请日：2024-03-20
申请人： NGK INSULATORS, LTD. , NGK KILNTECH, CORPORATION , NGK ADREC CO., LTD.
发明人： Minoru YAMAGUCHI , Tsuneo KOMIYAMA , Takeshi KOMAKI , Terukazu IWATA , Kazuya NARUMIYA
IPC分类号： F27B9/22 , F27B9/26 , F27B9/30
CPC分类号： F27B9/22 , F27B9/26 , F27B2009/305
摘要： A heat treatment furnace may include: a furnace body including an entrance and an exit; a lower plate member disposed in the furnace body; an upper plate member disposed above the lower plate member, wherein the upper plate member is configured to allow the plurality of objects stacked in an up-down direction to be placed thereon; an intermediate member interposed between the lower plate member and the upper plate member in the up-down direction and attached to the lower plate member; and a pusher configured to push the upper plate member forward from the entrance toward the exit. The upper plate member may move forward above the lower plate member. A sliding resistance between the upper plate member and the intermediate member may be smaller than a sliding resistance between the upper plate member and the lower plate member.

2. 发明授权

US11946696B2 End barrier box and a reflow oven using the end barrier box 有权
公开(公告)号：US11946696B2
公开(公告)日：2024-04-02
申请号：US17256474
申请日：2019-06-25
申请人： Illinois Tool Works Inc.
发明人： Daopeng Wei
IPC分类号： F27B9/30 , B23K1/008 , B23K3/08 , F27D99/00
CPC分类号： F27B9/3011 , B23K1/008 , B23K3/08 , F27D99/0075 , F27D99/0076
摘要： The present application discloses an end barrier box for blocking ambient gases from entering a hearth of a reflow oven, including: a box body, wherein the box body includes a bottom and a top, the bottom has a mounting bottom plate, the top has an opening, the box body further includes a pair of side walls, and the side walls are oppositely disposed; and a plurality of deflectors, wherein each of the plurality of deflectors is mounted between the pair of side walls, each of the plurality of deflectors includes at least three fins, and the at least three fins are mounted on the mounting bottom plate and extend upward from the mounting bottom plate. According to the end barrier box of the present application, the deflector is set to include at least three fins, so that the deflector can be easily disassembled without disassembling the rails, which is convenient for cleaning and maintenance of the end barrier box.

3. 发明公开

US20230407423A1 BIOMASS DIRECT REDUCED IRON 审中-公开
公开(公告)号：US20230407423A1
公开(公告)日：2023-12-21
申请号：US18038139
申请日：2021-11-24
申请人： Technological Resources Pty. Limited
发明人： Michael Buckley
IPC分类号： C21B13/00 , C21B13/10 , C21B13/14 , C21B13/12 , F27D17/00 , F27B9/12 , F27D11/12 , F27B9/30
CPC分类号： C21B13/004 , C21B13/10 , C21B13/146 , C21B13/0046 , C21B13/12 , C21B13/008 , F27D17/004 , F27B9/12 , F27D11/12 , F27B9/3005 , C21B2100/60 , F27B2009/122 , F27D2099/0028
摘要： A method and an apparatus for “recycling” a significant amount of heat within a linear hearth furnace by means of an endless conveyor that transports briquettes through the furnace from an inlet (briquette feed) end to an outlet (DRI discharge) end and then returns to the inlet end and transfers a significant amount of heat from the outlet end to the inlet end of the furnace.

4. 发明授权

US11701696B2 Method and system for the open-loop and/or closed-loop control of a heating of a cast or rolled metal product 有权
公开(公告)号：US11701696B2
公开(公告)日：2023-07-18
申请号：US17691557
申请日：2022-03-10
申请人： SMS GROUP GMBH
发明人： Thomas Heimann , Heinz-Juergen Oudehinken , Christoph Hassel
IPC分类号： C21D11/00 , B21B37/74 , B22D11/12 , B22D27/04 , B22D11/22 , G01K7/42 , F27B9/40 , B21B1/22 , C21D1/26 , F27B9/30
CPC分类号： B21B37/74 , B21B1/22 , B22D11/1213 , B22D11/22 , B22D27/04 , C21D1/26 , C21D11/00 , F27B9/40 , G01K7/427 , B21B2001/225 , B21B2261/21 , F27B9/30 , G01K2213/00
摘要： A method for open-loop and/or closed-loop control of a heating of a cast or rolled metal product, includes the steps of determining the total enthalpy of the metal product from a sum of the free molar enthalpies (Gibbs energy) of all phases and/or phase fractions currently present in the metal product; determining a temperature distribution within the metal product by means of a dynamic temperature calculation model using the total enthalpy determined; and open-loop and/or closed-loop controlling of the heating of the metal product as a function of at least one output variable of the temperature calculation model.

5. 发明授权

US11679444B2 Cooling system for a reflow furnace 有权
公开(公告)号：US11679444B2
公开(公告)日：2023-06-20
申请号：US17271461
申请日：2019-08-27
申请人： Illinois Tool Works Inc.
发明人： Shenghu Yan , Peng Shu , Dong Zhang
IPC分类号： B23K1/008 , B23K3/08 , F27B9/30 , F27B9/40 , F27B9/12 , H05K3/34
CPC分类号： B23K3/085 , B23K1/008 , F27B9/3005 , F27B9/3077 , F27B9/40 , F27B2009/126 , H05K3/3494
摘要： Disclosed in the present application is a cooling system for a reflow furnace, the reflow furnace comprising a heating zone, and the cooling system being used to regulate a temperature of the heating zone, the cooling system comprising: at least one gas inlet and at least one gas discharge port, the at least one gas inlet and the at least one gas discharge port being disposed on the heating zone; a blowing apparatus; at least one gas intake pipeline, an inlet of the at least one gas intake pipeline being connected to the blowing apparatus, an outlet of the at least one gas intake pipeline being connected to the at least one gas inlet, the at least one gas intake pipeline being able to controllably establish fluid communication between the blowing apparatus and the at least one gas inlet; and at least one gas discharge pipeline, an inlet of the at least one gas discharge pipeline being connected to the at least one gas discharge port, an outlet of the at least one gas discharge pipeline being connected to the outside, and the at least one gas discharge pipeline being able to controllably establish fluid communication between the at least one gas discharge port and the outside. The cooling system of the present application can shorten the time taken for the reflow furnace to change from a higher heating temperature to a lower heating temperature.

6. 发明授权

US11292040B2 Method and system for the open-loop and/or closed-loop control of a heating of a cast or rolled metal product 有权
公开(公告)号：US11292040B2
公开(公告)日：2022-04-05
申请号：US15774629
申请日：2016-11-04
申请人： SMS Group GmbH
发明人： Thomas Heimann , Heinz-Juergen Oudehinken , Christoph Hassell
IPC分类号： B21B37/74 , B22D11/12 , B22D27/04 , B22D11/22 , G01K7/42 , F27B9/40 , B21B1/22 , C21D1/26 , C21D11/00 , F27B9/30
摘要： The invention relates to a method for the open-loop and/or closed-loop control of a heating of a cast or rolled metal product, comprising the following steps: —determining the total enthalpy of the metal product from a total of the free molar enthalpies (Gibbs free energy) of all phases and/or phase fractions currently present in the metal product; —determining a temperature distribution within the metal product by means of a dynamic temperature calculation model by using the determined total enthalpy; and —open-loop and/or closed-loop controlling of the heating of the metal product according to at least one initial variable of the temperature calculation model.

7. 发明授权

US11053611B2 Oxidation furnace 有权
公开(公告)号：US11053611B2
公开(公告)日：2021-07-06
申请号：US16327896
申请日：2017-08-28
申请人： EISENMANN SE
发明人： Lars Meinecke
IPC分类号： D01F9/32 , F27B9/28 , D02J13/00 , F27B9/30 , F27D17/00
摘要： An oxidation furnace for the oxidative treatment of fibers, in particular for producing carbon fibers, the furnace having a housing with an inner space which is gas-tight apart from areas for the passage of the fibers. A process chamber is located in the inner space of the housing. Guide rollers guide the fibers arranged adjacently as a fiber carpet in a serpentine manner through the process chamber, the fiber carpet spanning respective planes between opposite guide rollers, a partial area of the inner space being defined both above and below said planes. The process chamber extends between a primary blowing device arranged on a blowing end of the housing and a primary suction device, where a primary gas is blown into a partial area by the primary blowing device in such a way that the process gas flows through the process area in a process flow direction. A secondary gas can be blown into the partial area by a secondary blowing device, on the side of the primary blowing device located at a distance from the process chamber, using a flow sealing device.

8. 发明授权

US10845121B2 Method and plant for the thermal treatment of friction elements, in particular brake pads 有权
公开(公告)号：US10845121B2
公开(公告)日：2020-11-24
申请号：US15579681
申请日：2016-06-06
申请人： ITT ITALIA S.r.l.
发明人： Sergio Ferrero , Pierluigi Regis , Francesco Laureri
IPC分类号： F27B9/24 , F26B15/18 , F27D5/00 , F27B9/36 , C21D9/00 , F16D69/00 , F16D65/092 , F27B9/30
CPC分类号： F27B9/243 , C21D9/0056 , C21D9/0068 , F16D69/00 , F26B15/18 , F27B9/36 , F27D5/0006 , F27D5/0031 , F16D65/092 , F16D2250/00 , F27B2009/3088
摘要： A method and plant for the thermal treatment of friction elements including a convective heating step which is performed within a convective tunnel oven. The friction elements are arranged laid, in an orderly manner, upon a plurality of trays each tray having a perforated resting plate upon which the friction elements are laid in a position next to one another only, but not overlapped. The trays are piled on top of each other whilst being kept distanced from one another in a stacking direction by an amount that is greater than the thickness of the friction elements. Groups of piled up trays containing the friction elements are arranged side by side on belt conveyor means that pass through the tunnel oven in order to transport the friction elements therethrough.

9. 发明授权

US10718568B2 Sample heating device 有权
公开(公告)号：US10718568B2
公开(公告)日：2020-07-21
申请号：US15868335
申请日：2018-01-11
申请人： SHIMADZU CORPORATION
发明人： Akioki Nakamori
IPC分类号： F27D5/00 , F27B9/22 , F27B9/30 , F27D3/06
摘要： A sample heating device includes: a rail-shaped disposal rail extending in one direction in a horizontal plane so that sample boats after heating are arranged and placed in a straight line; a disposal tray that houses the sample boat pushed-out from one end of the disposal rail; a sample boat conveying portion that places the sample boat after the heating at a predetermined placing position on the disposal rail; and a sample boat push-out portion that is positioned closer to the other end side of the disposal rail than the placing position when the sample boat is placed on the disposal rail and that is displaced toward the one end side of the disposal rail after the sample boat is placed at the placing position to slide the sample boats on the disposal rail toward the one end side.

10. 发明授权

US10641552B2 Heat-recovering temperature-gradient based oven system 有权
公开(公告)号：US10641552B2
公开(公告)日：2020-05-05
申请号：US15382451
申请日：2016-12-16
申请人： Tesla Motors, Inc.
发明人： Christopher Gandhi Van Dyke , Turner Boris Caldwell
IPC分类号： F27B9/30 , F27D17/00
CPC分类号： F27B9/3044 , F27B9/3005 , F27D17/004 , F27B2009/305 , F27D2017/007 , Y02P10/265 , Y02P20/124
摘要： A heat-recovering oven system based on temperature gradient comprises: multiple chambers arranged in a sequence, the chambers configured for operating at various temperatures according to a temperature gradient arrangement that spans the sequence; a conveyor configured for transporting product through the multiple chambers in the sequence for heat treatment according to the temperature gradient arrangement; and multiple temperature-segregated heat exchanger systems, each heat exchanger system including a heat exchanger, a conduit to at least one of the chambers based on its temperature in the temperature gradient arrangement, and a return conduit from the at least one chamber to the heat exchanger.

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