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    • 1. 发明授权
    • Ultrahigh-pressure fan jet nozzle
    • 超高压风机喷嘴
    • US6019298A
    • 2000-02-01
    • US41048
    • 1998-03-06
    • Chidambaram RaghavanEdmund Y. TingOlivier L. Tremoulet, Jr.Anton H. Buchberger
    • Chidambaram RaghavanEdmund Y. TingOlivier L. Tremoulet, Jr.Anton H. Buchberger
    • B05B1/04B23P15/16B26F3/00
    • B23P15/16B05B1/04B05B1/042B26F3/004
    • A nozzle for producing an ultrahigh-pressure fluid fan jet is shown and described. In a preferred embodiment, the nozzle has an inner surface defined by a conical bore extending from a first end to a second end, thereby creating an entrance orifice and an exit orifice in the first and second ends, respectively. A wedge-shaped notch extends inward from the second end towards the first end to a sufficient depth such that the shape of the exit orifice is defined by the intersection of the conical bore and the wedge-shaped notch. As pressurized fluid passes through the nozzle and out the exit orifice, the shape of the exit orifice causes the pressurized fluid to exit in the form of a fan jet having a substantially oval cross-section. This fan jet may be swept across a surface to be cleaned thereby selectively removing a layer of material from an underlying surface evenly and completely, without damaging the underlying surface. The fan jet may also be used to cut a fibrous or hard material.
    • 示出并描述了用于生产超高压流体风扇喷嘴的喷嘴。 在优选实施例中,喷嘴具有由从第一端延伸到第二端的锥形孔限定的内表面,从而在第一端和第二端分别形成入口孔和出口孔。 楔形凹口从第二端朝向第一端向内延伸到足够的深度,使得出口孔的形状由锥形孔和楔形凹口的交点限定。 当加压流体通过喷嘴并离开出口孔时,出口孔的形状使得加压流体以具有基本上椭圆形横截面的风扇喷射器的形式离开。 该风扇喷射器可以扫过待清洁的表面,从而均匀且完全地从下面的表面选择性地去除一层材料,而不会损坏下面的表面。 风扇喷嘴还可用于切割纤维或硬质材料。
    • 4. 发明授权
    • Erosion resistant high pressure relief valve
    • 耐腐蚀高压溢流阀
    • US5564469A
    • 1996-10-15
    • US365512
    • 1994-12-28
    • Olivier L. Tremoulet, Jr.Chidambaram RaghavanEdmund Y. TingGlenn Erichsen
    • Olivier L. Tremoulet, Jr.Chidambaram RaghavanEdmund Y. TingGlenn Erichsen
    • F04B49/24F16K17/04F16K15/02
    • F04B49/24F16K17/0466F04B2205/04Y10T137/7929
    • A high pressure relief valve for use in a high pressure fluid pump is shown and described. In a preferred embodiment, a valve seat is provided with a tapered hole and with a conduit, the tapered hole and conduit being in fluid communication with each other and with fluid having a variable pressure. A tapered pin having grooves is held in the tapered hole by a control force, or control pressure acting through a plunger. When the pressure of the fluid is sufficiently high to overcome the control force or pressure, the tapered pin is forced to move sufficiently to create an annular clearance between the tapered pin and the tapered hole, thereby allowing pressurized fluid to flow past the pin to an outlet. An outer surface of the valve seat in a region of the tapered pin is tapered in an opposite direction to that of the tapered hole, thereby weakening the valve seat in that region, such that the tapered hole is able to expand and contract as the pressure of the fluid increases and decreases.
    • 示出并描述了用于高压流体泵的高压溢流阀。 在优选实施例中,阀座设置有锥形孔和导管,锥形孔和导管彼此流体连通并且具有可变压力的流体。 具有凹槽的锥形销通过控制力或通过柱塞作用的控制压力保持在锥形孔中。 当流体的压力足够高以克服控制力或压力时,锥形销被强制移动以在锥形销和锥形孔之间产生环形间隙,从而允许加压流体流过销钉到 出口。 在锥形销的区域中的阀座的外表面与锥形孔的方向相反的方向是锥形的,从而削弱该区域中的阀座,使得锥形孔能够作为压力膨胀和收缩 的流体增减。
    • 5. 发明授权
    • Ultrahigh pressure poppet valve with low wear
    • 超高压提升阀,低磨损
    • US5226799A
    • 1993-07-13
    • US906826
    • 1992-06-30
    • Chidambaram RaghavanOlivier L. Tremoulet, Jr.Edmund Y. Ting
    • Chidambaram RaghavanOlivier L. Tremoulet, Jr.Edmund Y. Ting
    • F04B53/10F16K15/06
    • F04B53/102F16K15/063Y10T137/0318Y10T137/7929
    • A low wear poppet valve in a high pressure reciprocating pump. Relative movement of the mating surfaces due to compressive distortion is eliminated. There is a valve seat having a flow passage and an upper mating surface, and a poppet element which sealingly abuts this. The flow passage is in communication with a low pressure zone, and the outer surfaces of the seat and element are in communication with a high pressure zone. The poppet element has a recess in its mating surface surrounded by a wall portion, and the low pressure zone is communicated from the flow passage into the interior of the recess. This enables the wall portion of the element to be displaced inwardly and outwardly in concert with the wall portion of the seat by the cyclic pressure differential which is generated between the zones by the operation of the pump. This eliminates relative movement between these parts which would otherwise cause fretting wear of their mating surfaces.
    • 高压往复泵中的低磨损提升阀。 消除了由于压缩变形引起的配合表面的相对移动。 有一个阀座具有一个流动通道和一个上配合表面,以及一个密封地邻接这个的提升阀元件。 流路与低压区连通,座与元件的外表面与高压区连通。 提升件在其配合表面上具有由壁部包围的凹部,低压区从流路连通到凹部的内部。 这使得元件的壁部分可以通过由泵的操作在区域之间产生的循环压力差而与座椅的壁部一起向内和向外移位。 这消除了这些部件之间的相对移动,否则这些部件将会引起其配合表面的微动磨损。
    • 6. 发明授权
    • Apparatus and method for diagnosing the status of specific components in
high-pressure fluid pumps
    • 用于诊断高压流体泵中特定部件状态的装置和方法
    • US6092370A
    • 2000-07-25
    • US931248
    • 1997-09-16
    • Olivier L. Tremoulet, Jr.Chidambaram RaghavanEdmund Y. Ting
    • Olivier L. Tremoulet, Jr.Chidambaram RaghavanEdmund Y. Ting
    • F04B49/06F04B51/00F16D31/00F01B25/26F04B49/00
    • F04B51/00F04B49/065F04B2201/0801
    • A method and apparatus for diagnosing components in high-pressure pumps to indicate when a component of the pump head is malfunctioning and to identify the malfunctioning component. In one embodiment, a high-pressure pump head incorporating a diagnostic system in accordance with the invention has a pressurization chamber and a pressurizing member at least partially received in the pressurization chamber. The pressurizing member moves within the pressurization chamber along an intake action to draw fluid into the pressurization chamber and along a pressurizing action to compress fluid in the pressurization chamber. An inlet fluid control assembly is coupled to the pressurization chamber to allow fluid to enter the pressurization chamber during the intake action, and a pressurized fluid control assembly is coupled between the pressurization chamber and an outlet chamber to selectively allow pressurized fluid into the outlet chamber during the pressurizing action. The pump head may also include a diagnostic system to indicate the operational status of each of the inlet fluid control assembly, the pressurized fluid control assembly and other components of the pump head upstream from the inlet fluid control assembly with respect to a fluid flow through the pump head during the pressurizing action.
    • 一种用于诊断高压泵中的部件的方法和装置,以指示泵头的部件什么时候发生故障并识别故障部件。 在一个实施例中,结合根据本发明的诊断系统的高压泵头具有至少部分地容纳在加压室中的加压室和加压构件。 加压构件沿着进气动作在加压室内移动,以将流体引入加压室,并沿加压动作压缩加压室中的流体。 入口流体控制组件联接到加压室以允许流体在进气动作期间进入加压室,并且加压流体控制组件联接在加压室和出口室之间,以选择性地允许加压流体进入出口室 加压动作。 泵头还可以包括诊断系统,以指示入口流体控制组件,加压流体控制组件和泵头的其他部件在入口流体控制组件上游相对于流过流体流体的流体流动的操作状态 泵头在加压动作期间。