公开(公告)号：US5960698A

公开(公告)日：1999-10-05

申请号：US31826

申请日：1998-02-27

申请人： Jun Kajinami ,  Isao Okamoto ,  Kazunari Imasato

发明人： Jun Kajinami ,  Isao Okamoto ,  Kazunari Imasato

IPC分类号： F15B15/14 ,  F02B71/04 ,  F15B11/12 ,  F15B15/16 ,  F16H61/28 ,  F01B7/20

CPC分类号： F15B11/123 ,  F02B71/045

摘要： A small diameter cylinder 1a and a large diameter cylinder 1b connected to it are formed in a housing, and a stepped piston 8 comprising a large diameter part 8b and small diameter part 8a is inserted in these cylinders. A first pressure chamber 14a is formed on the small diameter cylinder side and a third pressure chamber 14c is formed on the large diameter cylinder side by the stepped piston 8, and an annular second pressure chamber 14b is formed on the outer circumference of the small diameter part of the stepped piston 8. An intermediate cylinder 10 is formed inside the stepped piston 8, and houses a piston 5 free to slide inside it which forms a fourth pressure chamber 14d. The fourth pressure chamber 14d is permanently connected to the third pressure chamber 14c. A rod 4 connected to the piston 5 passes through the stepped piston 8 in an axial direction. An end stopper 11 limiting the magnum stroke L1 of the piston 5 is provided, and sets the maximum stroke L2 of the stepped piston 8. By controlling the fluid pressure from the first pressure chamber 14a to the fourth pressure chamber 14d, the stroke of the rod 4 mentioned above can be stopped in the four positions 0, L1, L2, and L1+L2.

摘要翻译： 在壳体中形成有小直径圆筒1a和与其连接的大直径圆柱体1b，并且将包括大直径部分8b和小直径部分8a的阶梯式活塞8插入到这些圆筒中。 第一压力室14a形成在小直径气缸侧，第三压力室14c由阶梯式活塞8形成在大直径气缸侧，并且在小直径的外周上形成环状的第二压力室14b 在阶梯式活塞8的内部形成有中间圆筒10，并容纳活塞5，活塞5在其内部自由滑动，形成第四压力室14d。 第四压力室14d永久地连接到第三压力室14c。 连接到活塞5的杆4在轴向方向上穿过阶梯式活塞8。 设置限制活塞5的大小冲程L1的止挡件11，并设定阶梯式活塞8的最大行程L2。通过控制从第一压力室14a到第四压力室14d的流体压力， 上述的棒4可以停止在四个位置0，L1，L2和L1 + L2中。

公开(公告)号：US5852952A

公开(公告)日：1998-12-29

申请号：US798948

申请日：1997-02-11

申请人： Isao Okamoto ,  Jun Kajinami ,  Kazunari Imasato

发明人： Isao Okamoto ,  Jun Kajinami ,  Kazunari Imasato

IPC分类号： F16H61/30 ,  F16H9/14 ,  F16J15/32

CPC分类号： F16H61/30 ,  F16H2061/301 ,  Y10T74/20024

摘要： A transmission operating apparatus includes a booster for increasing the transmission operating force, and a buffer device for suppressing rapid shift-changes caused by a change in the load due to the damper action of a hydraulic damper mechanism. A by-pass is incorporated into the buffer to permit working fluid to flow into damper chamber by-passing an orifice when necessary. A sealing member having a sealing portion is interposed in the by-pass to seal the by-pass under normal conditions but is resiliently deformed releasing the seal when the working fluid flows into the damper chamber.

摘要翻译： 变速器操作装置包括用于增加变速器操作力的增压器，以及缓冲装置，用于抑制由于液压阻尼器机构的阻尼作用引起的负载变化引起的快速换档。 旁路被并入到缓冲器中，以允许工作流体在必要时绕过阻尼器室旁通孔口。 具有密封部分的密封构件被插入旁路以在正常条件下旁路密封，但是当工作流体流入阻尼室时弹性变形释放密封。