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    Abrasive fluid jet system
    1.
    发明授权
    Abrasive fluid jet system 失效

    公开(公告)号：US5643058A

    公开(公告)日：1997-07-01

    申请号：US513381

    申请日：1995-08-11

    申请人： Glenn A. Erichsen ,  John C. Massenburg ,  Chip Burnham ,  Thomas Harry O'Connor ,  Rhonda R. Smith ,  Katherine Zaring ,  Robert P. Many

    发明人： Glenn A. Erichsen ,  John C. Massenburg ,  Chip Burnham ,  Thomas Harry O'Connor ,  Rhonda R. Smith ,  Katherine Zaring ,  Robert P. Many

    IPC分类号： B24C5/02 ,  B24C1/04 ,  B24C7/00 ,  B24B7/00 ,  B24B9/00

    CPC分类号： B24C7/0053 ,  B24C1/045 ,  B24C7/0069

    摘要： An improved system for generating an abrasive fluid jet is shown and described. In a preferred embodiment, abrasive is fed from a bulk hopper into an air isolator having a baffle that limits the flow of air and abrasive through the air isolator, thereby venting air from the abrasive. An on/off device having a rod coupled to a stopper is provided within the air isolator, the rod being selectively raised and lowered in a vertical direction. A discharge orifice is provided in a bottom surface of the air isolator, the stopper covering the discharge orifice when the rod is in a lowered position, thereby preventing the discharge of abrasive from the air isolator.A metering disk is provided adjacent the discharge orifice, an orifice in the metering disk being aligned with the discharge orifice, such that abrasive exiting the air isolator flows through the metering disk. A vented adapter is coupled to the air isolator, which helps to control the flow of abrasive through the system and serves to eject any abrasive or fluid that may back up into the system due to a clog, thereby preventing fluid from backing up into the air isolator. Abrasive is then fed from the vented adapter through a feedline into a mixing chamber of a cutting head, the abrasive being entrained by a high-pressure fluid jet, such that the abrasive and high-pressure fluid jet mix and are ejected through a mixing tube coupled to the cutting head as an abrasive fluid jet.The high-pressure fluid jet is generated by forcing a volume of high-pressure fluid through an orifice that is set in a tapered mount, the tapered mount being seated in the cutting head and having shallowly tapered walls, such that the mount does not swage itself into the cutting head. The mixing tube is provided with a reference member on an outer surface of the mixing tube, thereby positioning the mixing tube in a simple and efficient manner.The cutting head is further provided with a second inlet port that may be coupled to any selected attachment, for example, an assembly for monitoring the performance of the system or a piercing attachment.

    Apparatus and methods for recovering abrasive from an abrasive-laden fluid for use with abrasive jet cutting systems
    3.
    发明授权
    Apparatus and methods for recovering abrasive from an abrasive-laden fluid for use with abrasive jet cutting systems 有权
    用于从研磨剂的流体中回收磨料以用于磨料射流切割系统的装置和方法

    公开(公告)号：US06361416B1

    公开(公告)日：2002-03-26

    申请号：US09383044

    申请日：1999-08-25

    申请人： Jordan J. Hopkins ,  Jonathan M. Stewart ,  Felice M. Sciulli ,  Katherine Zaring ,  Daniel Chin ,  John Massenburg ,  Daniel Devine

    发明人： Jordan J. Hopkins ,  Jonathan M. Stewart ,  Felice M. Sciulli ,  Katherine Zaring ,  Daniel Chin ,  John Massenburg ,  Daniel Devine

    IPC分类号： B24C900

    CPC分类号： B26F3/008 ,  B24C1/045 ,  B24C9/003 ,  B24C9/006 ,  Y02P70/179

    摘要： This invention relates to methods and apparatus for recovering abrasive for use with abrasive jet cutting systems. In one embodiment, an apparatus in accordance with the invention includes an abrasive-laden fluid handling device coupled to a catcher tank of an abrasive jet cutting system, a pre-classifier fluidly coupled to the abrasive-laden fluid handling device, a hydro-classifier fluidly coupled to the pre-classifier, a fine-particle separation tank fluidly coupled to a clarified-fluid flow outlet of the hydro-classifier, a wet abrasive receptacle positioned to receive a wet recovered abrasive discharged from the hydro-classifier, a de-watering device engageable with the wet recovered abrasive in wet abrasive receptacle, and a dryer unit. The abrasive-laden fluid handling device may include an abrasive-laden fluid conduit having a first end in fluid communication with the catcher tank and an abrasive-laden fluid outlet. Alternately, the abrasive-laden fluid handling device may include a fluid drive system. In another embodiment, a de-watering device includes a housing having a wet abrasive intake and a de-watered abrasive, and an eductor port situated along an abrasive travel path extending between the wet abrasive intake and the de-watered abrasive outlet, an eductor inlet coupled to the eductor port and coupleable to a source of eduction air, and a transport device. In a further embodiment, an apparatus includes an airflow control valve fluidly coupled to the eductor port and positionable in a first position to draw an entrained airflow from within the housing through the eductor port, and a second position to backflow the eduction air through the eductor port into the housing.

    摘要翻译： 本发明涉及用于回收用于磨料射流切割系统的磨料的方法和设备。 在一个实施例中，根据本发明的装置包括耦合到磨料喷射切割系统的捕集罐的磨料载流体处理装置，流体耦合到磨料载流体处理装置的预分级器，加氢分级器 流体耦合到预分类器，流体耦合到加氢分选机的澄清流体流出口的细颗粒分离罐，设置成接收从加氢分级器排出的湿回收磨料的湿磨料容器， 可在湿磨机容器中与湿回收的磨料接合的浇水装置和干燥器单元。 含磨料的流体处理装置可以包括具有磨料的流体导管，其具有与捕集罐和磨料填充的流体出口流体连通的第一端。 或者，含磨料的流体处理装置可以包括流体驱动系统。 在另一个实施例中，脱水装置包括具有湿磨料入口和脱水磨料的壳体，以及沿着在湿磨料入口和脱水磨料出口之间延伸的研磨行进路径设置的喷射器端口，喷射器 入口连接到喷射器端口并且可耦合到排出的空气源，以及输送装置。 在另一实施例中，一种装置包括流体耦合到喷射器端口的气流控制阀，并且可定位在第一位置，以便通过喷射器端口从壳体内抽出夹带的气流，以及第二位置，以使排出的空气通过喷射器 港口进入住房。