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1. 发明申请

US20120060953A1 AIR CONDITIONING SYSTEM SERVICE VALVE AND METHOD 审中-公开
标题翻译：空调系统维修阀和方法
公开(公告)号：US20120060953A1
公开(公告)日：2012-03-15
申请号：US13228770
申请日：2011-09-09
申请人： Thomas C. Trent , Roger Palmer , Steven H. Schnelle , Vishvesh Page , Srinivasu Jalluri , Chidanand Begur , Jayasimha Chalasani
发明人： Thomas C. Trent , Roger Palmer , Steven H. Schnelle , Vishvesh Page , Srinivasu Jalluri , Chidanand Begur , Jayasimha Chalasani
IPC分类号： F15D1/00 , B23P19/00
CPC分类号： F25B45/00 , F25B2345/006
摘要： An air conditioning service valve includes a valve body with a pair of tubes extending from the valve body. The tubes have respective first ends, proximal to the valve body, that extend away from the valve body at nonzero angles to one another, such as substantially perpendicular. One of the tubes has a bend, such that second ends of the tubes, distal to the valve body, are substantially parallel to one another. The air conditioning service valve may be mounted to a bracket without use of fasteners, for example with the valve body engaging edges, tangs, and/or tabs of the bracket. The valve body also has a stem port and a charge port, with the stem port parallel to the second ends of the tubes. The arrangement of the tubes allows use of a smaller valve body, while also reducing pressure drop relative to prior Z-flow valves.
摘要翻译：空调维修阀包括具有从阀体延伸的一对管的阀体。这些管具有彼此靠近阀体的相应的第一端，其以非零的角度彼此延伸离开阀体，例如基本垂直。其中一个管具有弯曲，使得管的远离阀体的管的第二端基本上彼此平行。空调维修阀可以不使用紧固件而安装到支架上，例如阀体接合支架的边缘，柄脚和/或突出部。阀体还具有阀杆端口和充气口，阀杆端口平行于管的第二端。管的布置允许使用较小的阀体，同时还减少相对于现有Z流量阀的压降。

2. 发明授权

US5209317A Electro-hydraulic vehicular power steering system with closed center valving 失效
标题翻译：具有闭合中心阀门的电动液压车辆动力转向系统
公开(公告)号：US5209317A
公开(公告)日：1993-05-11
申请号：US781654
申请日：1990-08-17
申请人： Steven H. Schnelle
发明人： Steven H. Schnelle
IPC分类号： B62D5/083
CPC分类号： B62D5/083
摘要： An electro-hydraulic power steering system for motor vehicles using closed center valving. Utilizing closed center valving (40) in association with the steering gear (50) allows the pump (12) to build hydraulic pressure in the accumulator (20) against the closed center valve area (47) in the valving for the steering gear, thus always maintaining a relatively high pressure, regardless of the position of the steering wheel shaft 3 and the input shaft (43). The input shaft was modified from that of the prior art, particularly with respect to the size and relative positioning of the exterior grooves (140) for the return ports (46), which exterior grooves selectively mate with like, longitudinally extended grooves (144) in the conventional control sleeve (42).
摘要翻译：一种使用闭式中心阀的机动车用电动助力转向系统。利用与转向齿轮（50）相关联的闭合中心阀门（40），允许泵（12）抵靠在用于舵机的阀门中的闭合中心阀区域（47）上的蓄能器（20）中的液压压力，因此始终保持相对高的压力，而不管方向盘轴3和输入轴（43）的位置如何。输入轴与现有技术相比，特别是关于用于返回端口（46）的外部凹槽（140）的尺寸和相对定位的改进，该外部凹槽选择性地与相似的纵向延伸的凹槽（144）配合，在传统的控制套筒（42）中。

3. 发明授权

US4611374A Method for manufacturing a check valve contained within a tube 失效
标题翻译：用于制造包含在管内的止回阀的方法
公开(公告)号：US4611374A
公开(公告)日：1986-09-16
申请号：US747623
申请日：1985-06-24
申请人： Steven H. Schnelle , Richard D. Wood , Charles E. Weicht
发明人： Steven H. Schnelle , Richard D. Wood , Charles E. Weicht
IPC分类号： B23P11/00 , B23P15/00 , F16K15/04 , B21D53/00 , B21D39/00 , B21D41/00
CPC分类号： F16K15/04 , B23P11/005 , B23P15/001 , Y10S29/105 , Y10T137/7856 , Y10T137/7873 , Y10T137/791 , Y10T29/49423 , Y10T29/49853 , Y10T29/49861 , Y10T29/49917 , Y10T29/49925 , Y10T29/53996
摘要： A check valve integral with the tube and the method of manufacturing a check valve are disclosed. The ball or poppet of the check valve is maintained in position via a magnetic mandrel while the tube is crimped at both sides of the poppet. The tube is inwardly crimped to prevent the poppet from being displaced in either direction and simultaneously to allow flow to bypass the poppet in the desired flow direction. Thereafter the poppet is physically displaced against one of the crimped indentations to coin a seat such that the poppet and the seat coact to prevent flow of fluid in the undesired direction. In this manner, a check valve is formed integrally with a tube without requiring any additional components.
摘要翻译：公开了一种与管一体的止回阀和制造止回阀的方法。止回阀的球或提升阀通过磁心轴保持在适当的位置，同时将管子压接在提升阀的两侧。管内向压接以防止提升阀在任一方向上移位，同时允许流动沿期望的流动方向绕过提升阀。此后，提升阀被物理地移动到其中一个卷曲的凹口上以硬化座位，使得提升阀和座椅共同作用以防止流体沿不想要的方向流动。以这种方式，止回阀与管整体形成，而不需要任何附加部件。

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