公开(公告)号：US06779778B2

公开(公告)日：2004-08-24

申请号：US10280522

申请日：2002-10-25

申请人： Tetsuya Kuwabara

发明人： Tetsuya Kuwabara

IPC分类号： F16L3723

CPC分类号： F16L37/46 ,  F16L37/23

摘要： A pipe coupling comprises a socket including a valve body, socket body having holes, lock balls stored in the holes for pressing the lock balls radially inward at an advanced position and for releasing the lock balls at a retracted position, and a plug having an engaging groove and being adapted to open the fluid passage when the plug is engaged with the socket. The holes in the socket include first and second holes individually extending in the axial direction, the first holes extending closer to the distal end side than the second holes. The valve body is returned to a position in which the fluid passage is closed, when the lock balls are located on the extreme distal end side of the first holes.

摘要翻译： 管接头包括一个插座，它包括一个阀体，一个具有孔的插座本体，存放在孔中的锁定球，用于在前进位置径向向内挤压锁定球，并在锁定位置释放锁定球， 并且当插头与插座接合时适于打开流体通道。 插座中的孔包括分别沿轴向延伸的第一和第二孔，第一孔比第二孔更靠近远端侧。 当锁球位于第一孔的最远端侧时，阀体返回到流体通道关闭的位置。

公开(公告)号：US06739577B2

公开(公告)日：2004-05-25

申请号：US10305663

申请日：2002-11-26

申请人： Gary Clancy ,  Robert Haake

发明人： Gary Clancy ,  Robert Haake

IPC分类号： F16L3723

CPC分类号： F16L37/23 ,  F16L37/40 ,  F16L2201/60 ,  Y10S285/914

摘要： A fluid coupling system is provided including a fluid coupling having a cooperative key coding system and latching mechanism, a valve biasing mechanism with corrosion resistance, and other advantageous features. The key coding system permits interconnection of only matched coupling members while preventing the inadvertent interconnection of mismatched coupling members notwithstanding the presence of many coupling, both matched and mismatched. The coupling includes first and second coupling members that are releasably slideably, axially interfitted with their passageways in fluid communication. The key coding system includes key coding elements on the coupling members that are axially movable into matched interengagement when the coupling members are matched but are precluded from moving into matched interengagement when they are mismatched, all without rotation of the couplings or the key coding elements irrespective of the relative rotational positions of the couplings members or coding elements. The latching mechanism is movable axially and radially of the coupling members between latching and unlatching positions, again without relative rotation of the latching mechanism and coupling members. The key coding system allows the latching mechanism to move into latching position when the key coding elements match but precludes such movement when there is a mismatch. Although the key coding system and the latching mechanism do not require rotation to function, they allow relative rotation of the coupling members. Furthermore, the coupling incorporates a valve biasing mechanism that does not use a metallic spring or other corrodible parts in contact with the corrosive chemicals.