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    • 2. 发明申请
    • Quick lift zero flutter oil service pump valve
    • 快速零抽油服务泵阀
    • US20090142199A1
    • 2009-06-04
    • US11947661
    • 2007-11-29
    • Ivan Blanco
    • Ivan Blanco
    • F04B53/10E21B34/16F16K15/06F04B39/10
    • F04B53/10E21B34/16E21B43/12F04B39/10Y10T137/7932
    • A suction valve for a positive displacement pump. Two springs are used to actuate a valve plug. A first spring has an uncompressed length greater than a distance between a spring retainer and the valve plug, providing a preload force closing the valve. A second spring has an uncompressed length less than the distance between the retainer and the plug, providing closing force to the plug only after a preselected valve lift. The first spring is relatively light and permits rapid opening of the valve to avoid cavitation. The second spring increases the effective spring constant when the valve is open to prevent flutter and to assist in closing of the valve upon commencement of a discharge pump stroke.
    • 用于容积式泵的吸入阀。 两个弹簧用于致动阀塞。 第一弹簧具有大于弹簧保持器和阀塞之间的距离的未压缩长度,从而提供关闭阀的预紧力。 第二弹簧具有小于保持器和插头之间的距离的未压缩长度,仅在预选的气门升程之后才向插头提供闭合力。 第一个弹簧比较轻,允许阀的快速打开以避免气蚀。 当阀打开时,第二弹簧增加有效弹簧常数,以防止颤动并且在排放泵冲程开始时协助关闭阀。
    • 4. 发明授权
    • Differential pitch hammerless connection with hydraulic driving mechanism
    • 液压驱动机构的差速无锤连接
    • US07963572B2
    • 2011-06-21
    • US11560775
    • 2006-11-16
    • Brad BullLeonard CaseTodd DeanIvan Blanco
    • Brad BullLeonard CaseTodd DeanIvan Blanco
    • F16L25/00
    • F16L15/009F16L15/08F16L19/0225Y10T137/4857
    • A threaded connection assembly comprises a nut, a multiplier connected to the nut via a first threaded interface having a first number of threads per inch and a well servicing pipe coupling connected to the multiplier via a second threaded interface having a second number of threads per inch. A method of forming a threaded connection for a well servicing application comprises forming a pipe coupling between two well servicing pipe sections and threading a connector to the pipe coupling to form a threaded connection without impact loading the connector. Another method for forming a threaded connection comprises disposing a first pipe section partially within a nut, threading a multiplier into the nut, threading the multiplier onto a second pipe section, and leveraging the multiplier against the nut, or vice versa.
    • 螺纹连接组件包括螺母,乘法器通过第一螺纹接口连接到螺母,第一螺纹接口具有每英寸第一数量的螺纹,以及通过第二螺纹接口连接到乘法器的井服务管接头,第二螺纹接口具有每英寸第二数量的螺纹 。 形成用于井服务应用的螺纹连接的方法包括在两个井服务管段之间形成管连接件,并将连接器螺纹连接到管接头以形成螺纹连接,而不会冲击加载连接器。 用于形成螺纹连接的另一种方法包括将第一管段部分地设置在螺母内,将乘法器螺纹连接到螺母中,将乘数螺纹连接到第二管段上,并将乘法器与螺母相反,或反之亦然。
    • 6. 发明申请
    • DIFFERENTIAL PITCH HAMMERLESS CONNECTION WITH HYDRAULIC DRIVING MECHANISM
    • 液压驱动机构的差速器无缝连接
    • US20080116688A1
    • 2008-05-22
    • US11560775
    • 2006-11-16
    • Brad BullLeonard CaseTodd DeanIvan Blanco
    • Brad BullLeonard CaseTodd DeanIvan Blanco
    • F16L25/04F17D1/00
    • F16L15/009F16L15/08F16L19/0225Y10T137/4857
    • A threaded connection assembly comprises a nut, a multiplier connected to the nut via a first threaded interface having a first number of threads per inch and a well servicing pipe coupling connected to the multiplier via a second threaded interface having a second number of threads per inch. A method of forming a threaded connection for a well servicing application comprises forming a pipe coupling between two well servicing pipe sections and threading a connector to the pipe coupling to form a threaded connection without impact loading the connector. Another method for forming a threaded connection comprises disposing a first pipe section partially within a nut, threading a multiplier into the nut, threading the multiplier onto a second pipe section, and leveraging the multiplier against the nut, or vice versa.
    • 螺纹连接组件包括螺母,乘法器通过第一螺纹接口连接到螺母,第一螺纹接口具有每英寸第一数量的螺纹,以及通过第二螺纹接口连接到乘法器的井服务管接头,第二螺纹接口具有每英寸第二数量的螺纹 。 形成用于井服务应用的螺纹连接的方法包括在两个井服务管段之间形成管连接件,并将连接器螺纹连接到管接头以形成螺纹连接,而不会冲击加载连接器。 用于形成螺纹连接的另一种方法包括将第一管段部分地设置在螺母内,将乘法器螺纹连接到螺母中,将乘数螺纹连接到第二管段上,并将乘法器与螺母相反,或反之亦然。