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    • 2. 发明申请
    • Polycrystalline diamond materials formed from coarse-sized diamond grains
    • 由粗大的金刚石颗粒形​​成的多晶金刚石材料
    • US20060080895A1
    • 2006-04-20
    • US11237625
    • 2005-09-27
    • Daniel BelnapNathan AndersonZhigang FangAnthony GriffoBrian White
    • Daniel BelnapNathan AndersonZhigang FangAnthony GriffoBrian White
    • B21K5/04C09K3/14
    • E21B10/52B01J3/065B01J2203/062C22C26/00
    • PCD materials of this invention comprise diamond crystals that are bonded together with a catalyst/binder material. The PCD material is prepared by combining diamond grains with a catalyst/binder material either as a premixture or by infiltration during sintering. The PCD material comprises 15 percent by volume or less diamond grains sized 20 micrometers or less. The diamond grains are pressurized under elevated temperature conditions to form the desired PCD material. PCD materials of this invention can constitute the exclusive material phase of a PCD construction, or can form one or more material phase in a multi-phase material microstructure, wherein the multiple material phase can be arranged in an ordered/oriented or random fashion. PCD materials of this invention display improved properties of impact and fatigue resistance, and functional toughness, when used in complex wear environments, when compared to conventional PCs materials comprising intentionally added fine-sized diamond grains.
    • 本发明的PCD材料包括与催化剂/粘合剂材料结合在一起的金刚石晶体。 通过将金刚石晶粒与催化剂/粘合剂材料组合作为预混合物或通过在烧结期间的渗透来制备PCD材料。 PCD材料包括15微摩尔或更小的15体积%或更少的金刚石颗粒。 金刚石晶粒在高温条件下被加压以形成所需的PCD材料。 本发明的PCD材料可以构成PCD结构的独特材料相,或者可以在多相材料微观结构中形成一个或多个材料相,其中多个材料相可以以有序/定向或随机的方式布置。 本发明的PCD材料当与常规的包含有意添加的精细尺寸的金刚石颗粒的材料相比时,在复杂的磨损环境中使用时,显示出改善的冲击和抗疲劳性能以及功能性韧性。
    • 3. 发明申请
    • BONDING OF CUTTERS IN DIAMOND DRILL BITS
    • 切割刀在钻石钻头中的连接
    • US20100101868A1
    • 2010-04-29
    • US12582212
    • 2009-10-20
    • Saul N. IzaguirreThomas W. OldhamKumar T. KembaiyanGary R. ChunnAnthony GriffoRobert DentonBrian White
    • Saul N. IzaguirreThomas W. OldhamKumar T. KembaiyanGary R. ChunnAnthony GriffoRobert DentonBrian White
    • E21B10/55E21B10/00E21B10/42
    • E21B10/567B22F7/06B22F7/062B22F2005/001
    • A bit body formed of a mixture of matrix material and superabrasive powder and including pockets lined with superabrasive-free matrix material, and a method for forming the same, are provided. The pockets are shaped to receive cutting elements therein. The superabrasive-free matrix material enhances braze strength when a cutting element is brazed to surfaces of the pocket. The method for forming the drill bit body includes providing a mold and displacements. The displacements are coated with a mixture of superabrasive free matrix-material and an organic binder. The mold is packed with a mixture of matrix material and superabrasive powder and the arrangement heated to form a solid drill bit body. When the solid bit body is removed from the mold, pockets are formed by the displacements in the bit body and are lined with the layer of superabrasive-free matrix material. The superabrasive material may be diamond, polycrystalline cubic boron nitride, SiC or TiB2 in exemplary embodiments.
    • 由基体材料和超级磨料粉末的混合物形成的一个体,并且包括衬有超无磨料基质材料的口袋及其形成方法。 口袋被成形为在其中容纳切割元件。 当将切割元件钎焊到袋的表面时,超无磨料基质材料增强了钎焊强度。 用于形成钻头体的方法包括提供模具和位移。 位移用超磨料自由基质材料和有机粘合剂的混合物涂覆。 模具中填充有基体材料和超级磨料粉末的混合物,并将该装置加热形成固体钻头体。 当固体钻头体从模具中取出时,通过钻头体中的位移形成凹坑,并且衬有超级无磨料基体材料层。 在示例性实施例中,超研磨材料可以是金刚石,多晶立方氮化硼,SiC或TiB 2。
    • 4. 发明授权
    • Bonding of cutters in drill bits
    • 钻头切割机的接合
    • US07625521B2
    • 2009-12-01
    • US10455217
    • 2003-06-05
    • Saul N. IzaguirreThomas W. OldhamKumar T. KembaiyanGary R. ChunnAnthony GriffoRobert DentonBrian White
    • Saul N. IzaguirreThomas W. OldhamKumar T. KembaiyanGary R. ChunnAnthony GriffoRobert DentonBrian White
    • C22C32/00B21K5/02B21K5/10
    • E21B10/567B22F7/06B22F7/062B22F2005/001
    • A bit body formed of a mixture of matrix material and superabrasive powder and including pockets lined with superabrasive-free matrix material, and a method for forming the same, are provided. The pockets are shaped to receive cutting elements therein. The superabrasive-free matrix material enhances braze strength when a cutting element is brazed to surfaces of the pocket. The method for forming the drill bit body includes providing a mold and displacements. The displacements are coated with a mixture of superabrasive free matrix-material and an organic binder. The mold is packed with a mixture of matrix material and superabrasive powder and the arrangement heated to form a solid drill bit body. When the solid bit body is removed from the mold, pockets are formed by the displacements in the bit body and are lined with the layer of superabrasive-free matrix material. The superabrasive material may be diamond, polycrystalline cubic boron nitride, SiC or TiB2 in exemplary embodiments.
    • 由基体材料和超级磨料粉末的混合物形成的一个体,并且包括衬有超无磨料基质材料的口袋及其形成方法。 口袋被成形为在其中容纳切割元件。 当将切割元件钎焊到袋的表面时,超无磨料基质材料增强了钎焊强度。 用于形成钻头体的方法包括提供模具和位移。 位移用超磨料自由基质材料和有机粘合剂的混合物涂覆。 模具中填充有基体材料和超级磨料粉末的混合物,并将该装置加热形成固体钻头体。 当固体钻头体从模具中取出时,通过钻头体中的位移形成凹坑,并且衬有超级无磨料基体材料层。 在示例性实施例中,超研磨材料可以是金刚石,多晶立方氮化硼,SiC或TiB 2。
    • 6. 发明授权
    • Policy-driven automatic network fault remediation
    • 策略驱动的自动网络故障修复
    • US09021310B1
    • 2015-04-28
    • US13396372
    • 2012-02-14
    • Karl A. McCabeBrian WhiteBrian J. CallanRobert Kennedy
    • Karl A. McCabeBrian WhiteBrian J. CallanRobert Kennedy
    • H04L12/24
    • H04L41/0659H04L41/0213H04L41/046H04L41/0645H04L41/0654H04L41/0893H04L43/0811H04L43/50
    • A policy-driven automatic network remediation service is described, which resides on the network and is triggered when a network fault is detected. Once triggered, the service automatically connects to network devices in the topological locale of the detected fault and collects diagnostic information from the affected area, running diagnostics which are appropriate to the fault type. The service can validate a set of preconditions prior to taking remedial action. For example, the service can empirically validate that the network topology is actually as expected and that automatic remediation would be safe and would not compromise network availability or redundancy. Diagnostic information can be recorded in a trouble ticket to support post-event auditing. Once the preconditions have been validated, the service can automatically take corrective action based on the type of the fault, such as shutting down an interface on a particular network device.
    • 描述了一种策略驱动的自动网络修复服务,它驻留在网络上,并在检测到网络故障时触发。 一旦触发,服务将自动连接到检测到的故障的拓扑区域中的网络设备,并从受影响的区域收集诊断信息,运行适用于故障类型的诊断。 该服务可以在采取补救措施之前验证一组先决条件。 例如,该服务可以经验地验证网络拓扑实际上是如预期的那样,并且自动修复将是安全的,并且不会损害网络可用性或冗余。 诊断信息可以记录在故障单中以支持事件后审核。 一旦先决条件得到验证,服务就可以根据故障的类型自动采取纠正措施,例如关闭特定网络设备上的接口。
    • 8. 发明申请
    • VIBRATORY ROLLER WITH COMPOSITE EXCITER DRIVE GEAR
    • 复合滚子与复合驱动齿轮
    • US20120201602A1
    • 2012-08-09
    • US13020976
    • 2011-02-04
    • Paul SinaScott KruepkeBrian White
    • Paul SinaScott KruepkeBrian White
    • E01C19/40E01C19/38
    • E01C19/286E02D3/026E02D3/074
    • A vibratory roller is provided with an exciter assembly that need not be lubricated by an oil bath because the exciter gears need not be lubricated. At least an outer ring portion of at least one gear of the exciter assembly is formed from a non-metallic material. In one embodiment, a first gear is a composite gear having an outer toothed ring portion formed from a machined nylon material imbedded with at least one of a heat stabilizer and a lubricant, and a second, mating gear is formed from metal and acts as heat sink for the first gear. In another embodiment, both the first and second gears are composite gears having an outer toothed ring formed from a robust and thermally stable molded polymer. The gears can survive when the roller is operated at least 8 hours at a duty cycle of at least 50% while operating the roller at an ambient temperature of over 38° C. (100° F.) and while the exciter shaft is driven at a velocity of over 2,000 RPM and the exciter housing is subjected to over 31.13 kN (7,000 lbf) of centrifugal forces at a vibrational frequency of over 40 Hz.
    • 振动辊设置有不需要由油浴润滑的励磁机组件,因为励磁机不需要润滑。 励磁机组件的至少一个齿轮的至少外环部分由非金属材料形成。 在一个实施例中,第一齿轮是复合齿轮,其具有由加热的尼龙材料形成的外齿环部分,该加工的尼龙材料嵌入有热稳定剂和润滑剂中的至少一种,并且第二匹配齿轮由金属形成并作为热 下沉为第一档。 在另一个实施例中,第一和第二齿轮都是复合齿轮,其具有由坚固且热稳定的模制聚合物形成的外齿环。 当在超过38℃(100°F)的环境温度下操作辊子时,并且当激励器轴被驱动时,齿轮能够以至少50%的占空比在至少8小时的时间内运行, 超过2000 RPM的速度和励磁机壳体在超过40 Hz的振动频率下经受超过31.13 kN(7,000 lbf)的离心力。