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1. 发明授权

US3848620A Fluid pressure modulator and system 失效
标题翻译：流体压力调节器和系统
公开(公告)号：US3848620A
公开(公告)日：1974-11-19
申请号：US36020373
申请日：1973-05-14
申请人： CLARK EQUIPMENT CO
发明人： FISHER J , ZELLER B
IPC分类号： G05D16/10 , F15B11/02 , F16D48/02 , F16D48/04 , F16K31/12
CPC分类号： F15B11/022 , F15B2211/30525 , F15B2211/31588 , F15B2211/324 , F15B2211/35 , F15B2211/50509 , F15B2211/513 , F15B2211/5153 , F15B2211/528 , F15B2211/55 , F15B2211/56 , F15B2211/625 , F15B2211/71 , F15B2211/7107 , F15B2211/7121 , F15B2211/7135 , F15B2211/775 , F15B2211/8606 , F16D25/14 , F16D48/02 , F16D48/04 , F16D2048/0203 , F16D2048/0209 , Y10T137/2607
摘要： A pressure modulator which upon the application of pressurized fluid achieves a gradual increase to line pressure instead of an abrupt increase. When pressure is applied initially a spool moves and uncovers vent which because of its discharge or bleeding off of fluid produces a low pressure. At the same time, fluid flows through a restricted passageway to an accumulator, and as the pressure builds up in the accumulator it moves the spool back toward its initial position, causing a gradual increase in the pressure. The pressure modulator has characteristics which are particularly advantageous for use in a system for operating a fluid pressure actuated clutch.
摘要翻译：压力调节器在施加加压流体时实现逐渐增加到管路压力而不是突然增加。当最初施加压力时，阀芯移动并露出排气口，由于其排放或流体流出会产生低压。同时，流体通过限制通道流到蓄能器，并且当压力积聚在蓄能器中时，其将线轴移回其初始位置，导致压力逐渐增加。压力调节器具有特别有利于用于操作流体压力致动离合器的系统。

2. 发明授权

US3710637A Transmission 失效
标题翻译：传输
公开(公告)号：US3710637A
公开(公告)日：1973-01-16
申请号：US3710637D
申请日：1971-09-30
申请人： CLARK EQUIPMENT CO
发明人： FISHER J , ZELLER B
IPC分类号： F16H3/08 , F16H3/093
CPC分类号： F16H3/093 , F16H2003/0936 , Y10T74/19233
摘要： A multispeed reversible transmission has a pair of countershafts that are interconnected for counter rotation and a plurality of gear trains for selectively connecting the countershafts to drive the output shaft at various speed ratios. A pair of input clutches are separately engageable to drive the countershafts in either of the two counter rotative directions and a splitter clutch is provided to drive these shafts in one counter direction at a speed ratio lower than that at which they are driven when the input clutches are engaged.
摘要翻译：多速可逆变速器具有一对中间轴，其互连用于反向旋转，以及多个齿轮系，用于选择性地连接副轴以以各种速度比驱动输出轴。一对输入离合器可独立地接合以驱动两个反向旋转方向中的任一个的中间轴，并且设置分级离合器以在输入离合器的驱动下以比其驱动的速度低的速度比在一个反方向上驱动这些轴订婚了。

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