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1. 发明授权

US5113898A Valve assembly for fluid pressure regulation 失效
标题翻译：用于流体压力调节的阀组件
公开(公告)号：US5113898A
公开(公告)日：1992-05-19
申请号：US532747
申请日：1990-06-04
申请人： Lawrence W. White , Gabriel J. Pietrykowski , Stephen D. Able
发明人： Lawrence W. White , Gabriel J. Pietrykowski , Stephen D. Able
IPC分类号： G05D16/06
CPC分类号： G05D16/0666 , Y10T137/7613 , Y10T137/7826
摘要： A valve assembly for fluid pressure regulation provides freedom from static pressure creep by eliminating distortions and stresses normally introduced to valve parts during assembly of the regulator. A floating valve seat permits normal installation of a valve seat housing in the regulator body with no transfer of stress or distortion to the valve seat. Thus statis pressure creep, normally attributable to micro distortions of the valve seat, is avoided. Options are also provided to install the floating valve seat directly in a regulator body without the valve seat housing.
摘要翻译：用于流体压力调节的阀组件通过消除在调节器组装期间通常引入阀部件的变形和应力而提供无静压蠕变。浮动阀座允许在调节器主体中正常安装阀座壳体，而不会向阀座传递应力或变形。因此，避免了通常归因于阀座的微小变形的状态压力蠕变。还提供了将浮动阀座直接安装在没有阀座壳体的调节器主体中的选项。

2. 发明授权

US5133387A Fluid pulsation dampener having spiral grooved bellows 失效
标题翻译：流体脉动阻尼器具有螺旋槽波纹管
公开(公告)号：US5133387A
公开(公告)日：1992-07-28
申请号：US585407
申请日：1990-09-20
申请人： Gabriel J. Pietrykowski , Lawrence W. White
发明人： Gabriel J. Pietrykowski , Lawrence W. White
IPC分类号： F15B1/10 , F16J3/04 , F16L55/053
CPC分类号： F15B1/103 , F16J3/041 , F16L55/053 , F15B2201/20 , F15B2201/3153 , F15B2201/41
摘要： A bellows is comprised of a unitary body formed of relatively thin annular walls, open at one end and closed at the other. The walls are constructed and arranged as a spiral groove, whereby the bellows can be fabricated from plastic by injection molding in a relatively inexpensive fashion. The bellows can be formed of two layers joined to one another, a backup layer formed of metal or plastic and a protective layer formed of plastic such as PFA and PVDF.
摘要翻译：波纹管由一个相对较薄的环形壁形成的整体构成，一端敞开，另一端封闭。壁被构造和布置为螺旋槽，由此波纹管可以通过以相对便宜的方式注射成型由塑料制成。波纹管可以由彼此连接的两层形成，由金属或塑料形成的支撑层和由诸如PFA和PVDF的塑料形成的保护层。

3. 发明授权

US5129427A Pulsation damper for a pumped liquid system 失效
标题翻译：泵送液体系统的脉动阻尼器
公开(公告)号：US5129427A
公开(公告)日：1992-07-14
申请号：US686696
申请日：1991-04-17
申请人： Lawrence W. White , Gabriel J. Pietrykowski
发明人： Lawrence W. White , Gabriel J. Pietrykowski
IPC分类号： F16L55/04 , F15B1/08 , F16L55/053
CPC分类号： F16L55/053
摘要： A pulsation damper for a pumped liquid system has a housing with two axially identical hollow halves which, when joined at their flanges, form a substantially cylindrical cavity. Each housing half has a port on its longitudinal axis for fluid communication with a liquid chamber and a gas chamber defined by a flexible non-porous member. A pressurizing valve is provided, in a manual embodiment, for manually increasing or decreasing pressure in the gas chamber. An automatic pressure compensator is provided in an automatic embodiment and is so sized and configured as to be insertable and removable from the housing of the pulsation damper through the port on the end of housing. Provision is also made for modularly adding volumes of air to increase the effective gas chamber volume.
摘要翻译：用于泵送液体系统的脉动阻尼器具有壳体，其具有两个轴向相同的中空半部，当在其凸缘处接合时，形成基本上圆柱形的腔体。每个壳体半部在其纵向轴线上具有端口，用于与液体室和由柔性无孔构件限定的气体室流体连通。在手动实施例中，提供了一种加压阀，用于手动地增加或减小气室中的压力。自动压力补偿器设置在自动实施例中，并且被设计成可以通过壳体端部上的端口从脉动阻尼器的壳体插入和移除。还提供了模块化地增加空气量以增加有效气室体积。

4. 发明授权

US5107887A High pressure fluid regulator 失效
标题翻译：高压流体调节器
公开(公告)号：US5107887A
公开(公告)日：1992-04-28
申请号：US620766
申请日：1990-12-03
申请人： Lawrence W. White , Gabriel J. Pietrykowski , John P. Altman
发明人： Lawrence W. White , Gabriel J. Pietrykowski , John P. Altman
IPC分类号： G05D16/00 , G05D16/06
CPC分类号： G05D16/0655 , Y10T137/7826
摘要： A fluid pressure regulator provides features which enable an extended regulator life in high pressure service. Dual flexible diaphragms provide chemical resistance in contact with the working fluid and abrasion and fatigue resistance in contact with a backup plate and piston assembly. The backup plate has a bore which is sufficiently long and close fitting with the piston so that axial alignment is assured and there is minimal tendency for the piston to become cocked within the bore. Provision is also made for preventing fretting corrosion between the piston and the backup plate by coating at least one of the surfaces, if necessary, to assure that dissimilar metals only are in contact in that couple. Seals between the regulator housing body and the diaphragm and between the valve stem and diaphragm may be provided by resilient seal rings or by annular protrusions integrally formed on one or both of the diaphragms.
摘要翻译：流体压力调节器提供了能够在高压服务中延长调节器使用寿命的特征。双柔性隔膜提供与工作流体接触的耐化学性，并与支撑板和活塞组件接触时的耐磨性和抗疲劳性。支撑板具有足够长且与活塞紧密配合的孔，使得轴向对准得到确保，并且活塞在孔内被起动的最小倾向。另外还要防止活塞和支承板之间的磨损腐蚀，如果需要，通过涂覆至少一个表面，以确保不同金属在该对中仅接触。调节器壳体和隔膜之间以及阀杆和隔膜之间的密封可以由弹性密封环或整体地形成在一个或两个隔膜上的环形突起来提供。

5. 外观设计

USD515101S1 Diaphragm pump 失效
公开(公告)号：USD515101S1
公开(公告)日：2006-02-14
申请号：US29205463
申请日：2004-05-14
申请人： Jonathan T. Wiechers , Gabriel J. Pietrykowski
设计人： Jonathan T. Wiechers , Gabriel J. Pietrykowski

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