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1. 发明授权

US07247006B2 Method and apparatus for sealing an ultrahigh-pressure fluid system 有权
标题翻译：用于密封超高压流体系统的方法和装置
公开(公告)号：US07247006B2
公开(公告)日：2007-07-24
申请号：US10423661
申请日：2003-04-25
申请人： Jordan J. Hopkins , Adrian Hawes , William L. Old
发明人： Jordan J. Hopkins , Adrian Hawes , William L. Old
IPC分类号： F04B17/00 , F04B19/24 , F04B39/10
CPC分类号： F16J15/04 , F04B53/16 , F04B53/164 , F16J15/164
摘要： An ultrahigh-pressure fluid system, such as an ultrahigh-pressure fluid pump, includes an improved dynamic seal assembly that can withstand pressures above 40,000 psi, and more preferably, pressures up to and beyond 87,000 psi. The dynamic sealing assembly includes a plastic seal having a bore through which the plunger reciprocates, and a bearing positioned adjacent the seal, also having a bore through which the plunger reciprocates. A seal carrier surrounds the circumference of the bearing and is subjected to a compressive force that is sufficiently high to circumferentially collapse the seal carrier in a radial direction against the bearing. This collapse of the seal carrier against the bearing causes an inner surface of the bore through the bearing to achieve substantially uniform contact with an outer surface of the plunger when the assembly is subjected to ultrahigh-pressure, thereby eliminating gaps that occur in prior art systems. By eliminating any gap between the seal carrier and the bearing, and between the bearing and the plunger, the present invention eliminates any pathway through which the seal might otherwise extrude, particularly when subjected to high pressures up to and beyond 40,000 psi, and more particularly, up to and beyond 87,000 psi.
摘要翻译：超高压流体系统，例如超高压流体泵，包括能够承受高于40,000psi的压力的改进的动态密封组件，更优选压力高达和超过87,000psi。动态密封组件包括具有孔的塑料密封件，柱塞往复运动，孔与位于密封件相邻的轴承也具有孔，柱塞往复运动。密封载体围绕轴承的圆周并且受到足够高的压缩力，以使得密封载体沿径向相对于轴承周向地折叠。密封载体相对于轴承的这种塌缩使得当组件经受超高压时，通过轴承的孔的内表面实现与柱塞的外表面的基本上均匀的接触，从而消除现有技术系统中发生的间隙。通过消除密封载体和轴承之间以及轴承和柱塞之间的任何间隙，本发明消除了密封件可能挤出的任何通道，特别是当经受高达40,000psi以上的高压时，更特别地高达87,000 psi以上。

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