博世Rexroth 比例伺服閥4WS2EM10-4X/30B2ET315K0DM-60

電液伺服閥廣泛地應用于電液位置,速度,加速度,力伺服系統,以及伺服振動發生器中.它具有體積小,結
伺服閥
構緊湊,功率放大系數高,控制精度高,直線性好,死區小,靈敏度高,動態性能好以及響應速度快等優點.
參考書目 劉長年著《液壓伺服系統的分析與設計》，科學出版社，北京，1985。
4類型
[1] 防滯伺服活門
該伺服閥屬于兩級閥，*級為噴嘴檔板式，由控制信號控制其出口壓力，第二級為滑閥式，執行控制級至剎車缸的壓力。當無信號作用時， 由於壓力噴嘴出口油壓力的作用，使伺服閥擋板靠在回油噴嘴上，此時壓力口的油壓作用在滑閥閥芯上，使剎車口同計量油口直接連通，剎車口壓力同飛行員控制的計量油壓相等，當機輪角速度檢測到滑行速度同基準滑行速度有偏差時，力矩馬達接收到偏差電信號，此時力矩馬達驅動檔板向壓力噴嘴偏轉，使作用在閥芯上端油壓下降，在閥芯下端油壓作用下，閥芯上移，關小計量壓力油口，這將導致控制口壓力降低，控制口壓力降低到某一值時，就有對應的制動壓力。[1] 
5空難
1991年3月3日，聯合航空585號班機為波音737-291型客機，從丹佛機場前往科羅拉多泉機場途中，飛機垂直尾翼的方向舵突然不受控制轉向右面，繼而翻滾，之后直墜地面，機上20名乘客和5名機組人員全部遇難。
1994年9月7日，全美航空427號班機為波音737-300型客機，從芝加哥奧黑爾機場前往匹茲堡機場途中，突然不受控制轉向，繼而翻滾，之后直墜地面，機上127名乘客和5名機組人員全部遇難。它的墜機方式與聯合航空585號班機與東風航空517號很相似。其后發現原來波音737客機的方向舵液壓器在溫差很大時（30,000呎的-50度到地面的30度，同時加入高溫液壓液體時）會卡住，并且會導致飛行員給方向盤控制后由反向偏轉的嚴重后果。這種故障不會有磨損過的痕跡，也是NTSB（National Transportation Safety Board）有史以來調查時間zui長的一系列空難事故之一。這是波音737自運行以來發現的zui大的致命設計錯誤（國家地理《空中浩劫》中S04E04中詳述）。
1996年6月9日，東風航空517號班機于準備降落在里奇蒙機場時，飛機突然發生故障，所幸只有一名空中服務員受輕傷。飛機亦成功降落。

博世Rexroth 比例伺服閥4WS2EM10-4X/30B2ET315K0DM-60

4WS2EM10-5X/75B11ET315K31EV
4WS2EM10-90/75B2ET315CAM
R900619398 4WS2EM10-5X/60B11ET315K31DV
R900618307 4WS2EM10-5X/20B11-210K31EV
R900617993 4WS2EM6-2X/20B12ET210K17EV
R900617678 4WS2EM6-2X/5B12ET210K17EV
R900616810 4WSE3EE16-1X/100B8ET315K9EV
R900596308 4WS2EM10A-4X/2B2ET315K8DM
R900595797 4WS2EM10-4X/10B1ET315CAM
R900585797 4WS2EM10-4X/75B3ET315K8DM
R900584270 4WS2EM10-4X/10B3ET315K8AV-7
R900583336 4WS2EM10-4X/20B2ET315K8EM
R900582609 4WS2EM10-4X/30B2ET315K0DM-60
R900576452 4WSE3EE16-1X/300B9ET315K9EM
R900568584 4WS2EM10A-4X/45B3ET315K8EM
R900567828 4WSE3EE16-1X/300B9-315K9EM
R900565557 4WSE2ED16-2X/100B8T315K9EM
R900560820 4WS2EM10-4X/45B2ET315K8EV
R900560353 4WS2EB10-4X/10B2ET70K8AM
R900534062 4WS2EB10-4X/60B2E70K8DM
R900526719 4WS2EM10-4X/45B2ET315K8EM
R900524418 4WS2EM10-4X/2B2ET315K8DM
R900522193 4WS2EM16-2X/150B12T210K8EM
R900520413 4WS2EM10-4X/10B3ET315K8AM
R900513964 4WSE3EE16-1X/200B8-315K9EM
R900510650 4WS2EM10-4X/20B2T315K8DM
R900508857 4WS2EM10-4X/45B2ET315K8BM
R900506180 4WSE3EE16-1X/200B8-315K9EV
R900505743 4WS2EB10-4X/10B2ET140K8AM
R900501001 4WS2EM10-4X/10B2ET315K8BM-52
R900472884 4WS2EM10-4X/30B3ET315K8AM-10
R900472869 4WS2EM10-4X/30B2ET315K8AM
R900472730 4WS2EM10-4X/5B3ET315K8DM
R900470068 4WS2EM10-4X/45B3ET315K8DM
R900448828 4WS2EM10-4X/30B2ET315K0DM-53
R900448827 4WS2EM10-4X/10B2ET315K0DM-53
R900444077 4WS2EM10-4X/30B2ET315K8DV
R900443028 4WS2EM10-4X/10B2ET315K8DV
R900441328 4WS2EM10-4X/60B1ET315K8AM
R901136727 4WSE2EM6-2X/15B9ET210K17EV
R901132770 4WSE2EM10-5X/90B9-315K31DV
R901130249 4WSE2EM10-5X/45B13ET315K31EV
R901129427 4WSE3EE16-1X/0B8-315K9DV-132
R901129426 4WSE3EE32-4X/0B8-315K9DV-131
R901128713 4WSE2ED10-5X/30B8-315K31EV-121
R901128712 4WSE2ED10-5X/75B8-315K31EV-116
R901127976 4WS2EM10-5X/20B11T210K31DV
R901125423 4WSE3EE16-1X/300B8-315K9DV-122
R901122489 4WSE3EE25-2X/400B8-315K9DV-122
R901120159 4WS2EM10-5X/20B11T315K31CV-102
R901119977 4WS2EM10-5X/30B11ET210K31DV
R901119296 4WS2EM10-5X/10B11T210K31CV-102
R901119176 4WS2EM10-5X/60B11ET210K31AV
R901119156 4WS2EM10-5X/75B11XHET210K31EV-100
R901117716 4WSE3EE25-2X/400B8-315K9DV
R901116633 4WS2EM10-5X/5B11XHET315K31EV-100
R901114562 4WSE2ED10-5X/10B9T315K31DV
R901114271 4WS2EM10-5X/45B11T315K8CV-104
R901113388 4WS2EM10-5X/30B11ET315K8DV

R901112369 4WSE3EE16-1X/300B9ET315K9DM-127
R901111502 4WSE3EE25-2X/500B8ET210K9EV-129
R901111253 4WSE3EE25-2X/300B9T210K9EV
R901110839 4WSE3EE16-1X/300B8-315K9DV
R901108852 4WS2EM10-5X/60B11XHE315K31EV
R901108851 4WS2EM10-5X/75B11XHE315K31EV
R901107316 4WSE3EE16-1X/200B8-315K9EV-118
R901105059 4WSE2ED10-5X/30B13ET315K31EV
R901103913 4WSE2EE10-4X/60B8ET315K9EV-73
R901103896 4WSE2ED10-5X/45B13T210K31EV
R901103115 4WSE2EM6-2X/5B8ET210K17EV
R901102082 4WSE3EE25-2X/500B8ET210K9EV
R901101919 4WS2EM10-5X/20B11XHET315K31EV-100
R901101469 4WS2EM10-5X/75B11T315K8CV-104
R901100588 4WSE2ED10-5X/20B9T210K31EV
R901098531 4WSE3EE16-1X/150B9-210K9EV-118
R901098304 4WS2EM10-5X/10B11XHET315K31EV-100
R901098041 4WS2EM10-5X/30B11ET315K31AV
R901097271 4WS2EM10-4X/60B1T315K8EV
R901097114 4WSE3EE32-4X/500B9-315K9DV
R901096801 BETRIEBSANLEITUNG4WS2EM10-5X/XH-102EU
R901096782 BETRIEBSANLEITUNG 4WS2EM10-5X/XH-100EU
R901096781 4WS2EM10-5X/30B11VH1ET315K31DV-114
R901096114 4WS2EM10-5X/5B11ET315K31DV
R901095313 4WS2EM10-5X/20B11T315K31EV
R901095275 4WSE3EE32-4X/700B9ET315K9EV
R901091476 4WS2EM6-2X/25B11ET315K17EV
R901091443 4WS2EM10-5X/10B11T315K8AV
R901086626 4WS2EM10-5X/90B11XHET315K31EV
R901083564 4WSE2EM6-2X/15B8ET315K17EV
R901082071 4WSE3EE25-2X/400B8T210K9EV
R901081620 4WS2EE10-4X/20B2T70K8DV
R901079357 4WS2EM10-4X/45B2ET315K8EV-10
R901078195 4WS2EM10-4X/30B1ET315K8DV
R901077583 4WS2EM10-5X/20B11ET210K8DV
R901075694 4WS2EM10-5X/30B11T315K31AV
R901072949 4WSE3EE16-1X/300B8T315K9EV
R901070225 4WS2EM10-5X/20B11T315K8EV
R901068705 4WS2EM6-2X/10B11XNET315K17EV-102
R901068386 4WS2EM10-5X/45B11E210K8AV
R901066652 4WS2EM10-5X/60B11ET315K31CV-114
R901066564 4WS2EM10-5X/30B11XHET315K31EV
R901066412 4WS2EM10-5X/20B11XNT315K31EV-102
R901066145 4WS2EM10-5X/75B11ET315K8DV
R901065784 4WS2EM10-5X/20B11ET315K8DV
R901064933 4WSE3EE16-1X/100B8-210K9EV
R901064745 4WSE2EM10-5X/20B9ET210K31EV
R901063738 4WS2EM10-5X/45B11T315K31CV-102
R901062358 4WSE2EM10-5X/60B9E315K31EV
R901060900 4WSE2EM10-5X/60B9ET210K31EV
R901060892 4WS2EM10-5X/45B11T315K31CV-114
R901060779 4WSE2ED10-5X/20B9T315K31EV
R901060775 4WS2EM10-5X/30B11-210K8AV
R901060253 4WSE3EE16-1X/300B9E210K9EV
R901059697 4WS2EM10-5X/20B11T315K31DV
R901057198 4WSE3EE16-1X/200B8ET315K9EV
R901056159 4WS2EM10-5X/60B11ET210K8DV
R901052959 4WSE2EM10-5X/75B13T315K31EV
R901052147 4WS2EM10-5X/5B11XHET315K31EV
R901051654 4WSE3EE16-1X/150B9T315K9EV
R901051002 4WSE3EE16-1X/200B8-315K9DV-122
R901046075 4WS2EM10-5X/60B11T315K31DV
R901044371 4WSE3EE16-1X/100B8T315K9EV-118
R901042538 4WS2EM10-5X/60B11ET315K31EV-102
R901042537 4WS2EM10-5X/20B11ET315K31EV-102
R901042530 4WS2EM10-5X/10B11ET315K31EV-102
R901040717 4WS2EM10-5X/5B11ET315K8EV
R901039619 4WS2EM10-5X/75B11XHT315K31EV
R901038987 4WS2EM6-2X/10B11XNET315K17EV-100
R901032922 4WS2EM10-5X/75B11XHET315K31DV
R901030853 4WS2EM6-2X/15B11ET210K17EV
R901030788 4WS2EM16-2X/150B12T315K8CV
R901029927 4WS2EM10-5X/75B11XHET315K31EV
R901029926 4WS2EM10-5X/45B11XHET315K31EV
R901029799 4WS2EM10-5X/30B11T315K31CV
R901027809 4WSE2EM10-5X/5B9T315K31EV
R901027808 4WSE2EM10-5X/45B9T315K31EV
R901024442 4WS2EM10A-4X/20B3T315K8DV
R901024002 4WSE2ED10-5X/90B13T315K31EV
R901020281 4WS2EM10-5X/45B11T315K8EV
R901020256 4WS2EM10-5X/60B11ET315K8DV
R901018760 4WSE2EM10-5X/20B9T315K31EV
R901017598 4WS2EM10-4X/30B2ET315K8EM
R901016900 4WS2EM10-5X/60B0T315K31CV-112
R901015625 4WSE2ED10-5X/20B9-315K31EV
R901011692 4WS2EM10-5X/20B11XHET315K31EV
R901011569 4WS2EM10-5X/45B11ET315K8DV
R901009654 4WS2EM6-2X/5B11XNET315K17EV-102
R901009199 4WS2EM10-5X/45B11ET210K31EV-116
R901008831 4WS2ED10-5X/75B11-315K31EV-117
R901007772 4WS2EM6-2X/20B11XNET315K17EV-100
R901007771 4WS2EM10-5X/60B11XNT315K31CV-114
R901007770 4WS2EM10-5X/75B11XNT315K31CV-114
R901007768 4WS2EM6-2X/20B11XNET315K17EV-102
R901007754 4WSE2ED10-5X/45B13T315K9EV
R901007741 4WSE2ED10-5X/30B13T315K9EV
R901006867 4WS2EM10-5X/45B11ET210K8AV
R901006460 4WSE3EE16-1X/100B8-315K9EV-120
R901006219 4WSE2ED10-5X/5B9ET315K31EV
R901006218 4WSE2EM10-5X/5B9ET315K31EV
R901006216 4WSE2EM10-5X/10B9ET315K31EV
R901006100 4WS2EM10-4X/45B2ET315K8DM-59
R901004739 4WSE3EE25-2X/500B8-315K9EM
R901004485 4WS2EM6-2X/0B12ET315K17EV-113
R901003060 4WS2EM10-5X/45B11T315K31EV
R901003007 4WS2EM10-5X/20B11ET315K31AV
R901002262 4WSE3EE16-1X/150B8-315K9DV
R901000334 4WSE3EE16-1X/150B8-315K9EV
R901000155 4WS2EM6-2X/5B11ET315K17DV
R900979140 4WS2EM16-2X/200B12ET210K8EV
R900978878 4WSE2EM10-5X/45B9ET315K31BV
R900978618 4WS2EM16-2X/100B12ET210K8EV
R900978355 4WS2EM10-5X/45B11ET210K31EV
R900978124 4WSE2EE10-4X/30B9T70K9DV
R900978031 4WSE3EE16-1X/150B9ET210K9EV
R900977928 4WSE3EE16-1X/200B9ET210K9EV
R900977832 4WS2EM6-2X/20B11ET315K17EV-102
R900977335 4WS2EM10-5X/60B11ET210K31EV
R900977287 4WS2EM10-4X/75B2ET315K8DV
R900977215 4WS2EB10-4X/5B2ET40K8AV
R900976945 4WS2EM10-5X/90B11ET210K31EV
R900976837 4WS2EM10-5X/75B11T315K8DV
R900975809 4WS2EM10-5X/45B11ET315K8EV
R900975684 4WSE3EE25-2X/400B9ET315K9EV
R900975019 4WSE3EE25-2X/300B9ET315K9EM
R900974996 4WSE2ED10-5X/60B13ET315K31EV
R900974304 4WS2EM6-2X/5B11ET210K17EV
R900974056 4WSE2EM10-4X/60B9ET315K13DV
R900974026 4WSE2EM10-5X/45B9-315K31EV
R900973514 4WS2EM10-4X/75B2ET315K8DV-24
R900972861 4WSE2EM6-2X/5B8ET315K17EV
R900972857 4WSE2ED10-5X/60B13-315K31EV
R900972795 4WS2EB10-4X/10B1-70K8AV
R900972567 4WSE2ED16-2X/150B9T315K9EV
R900971769 4WSE3EE16-1X/200B9ET315K9EV
R900971159 4WS2EM6-2X/2B12ET315K17EV
R900971033 4WS2EM10-4X/45B2T315K8DM
R900970565 4WSE2EM6-2X/5B9ET210K17EV
R900970346 4WS2EM6-2X/5B12ET315K17EV
R900970191 4WS2EM6-2X/15B12ET315K17EV
R900970190 4WS2EM6-2X/20B12ET315K17EV
R900969969 4WS2EB10-4X/45B2ET210K8AV
R900969967 4WS2EB10-4X/60B2-140K8BV
R900969730 4WS2EM6-2X/15B12ET210K17EV
R900968835 4WSE2EM6-2X/20B9ET210K17EV
R900968833 4WS2EM6-2X/10B12ET315K17EV
R900968455 4WSE2EM10-5X/75B9T315K31EV
R900968259 4WS2EM10-5X/60B11ET315K31AV
R900967982 4WSE2EM6-2X/10B9ET210K17EV
R900967673 4WSE3EE16-1X/300B9-210K9EV
R900967562 4WS2EB10-4X/10B2ET40K8AV
R900967548 4WS2EM10-4X/45B3T315K8CV
R900967114 4WSE2EM6-2X/2B9ET210K17EV
R900966680 4WSE2ED10-5X/75B13ET210K31EV
R900966344 4WS2EM10-4X/45B3T315K8CV-94
R900966097 4WS2EM16-2X/150B12T315K8EV
R900966039 4WS2EM10-4X/20B2T315K8EV
R900965878 4WSE2ED10-5X/20B13T315K31EV
R900965624 4WS2EE10-4X/45B2T210K8DV
R900965141 4WS2EM10-4X/75B2T315K8DV
R900964991 4WS2EM10-4X/5B2ET315K8DV
R900964903 4WS2EM10-4X/75B3T315K8CV
R900964149 4WS2EB10-4X/60B2ET70K8DM
R900963923 4WSE2EE10A-4X/45B9T140K9DV
R900963834 4WSE3EE25-2X/400B8-210K9EV
R900963795 4WSE2EE10-4X/60B9ET315K9DV
R900963739 4WSE2ED10-5X/45B13-210K31EV
R900963401 4WS2EM10-4X/20B3T315K8DV-24
R900962103 4WSE2EE10-4X/10B9ET315K9EV
R900962068 4WSE2EE10-4X/10B8T315K9DV
R900961862 4WS2EM10-4X/10B2ET315K8BV-52
R900961403 4WS2EM10-4X/5B2ET315K8BV-52
R900961254 4WS2EM10-4X/5B3T315K8DV-24
R900961252 4WS2EM10-4X/10B3T315K8DV-24
R900960971 4WS2EM10-4X/30B2T315K8EV
R900960652 4WS2EM16-2X/150B12T315K8CV-104
R900960651 4WS2EM10-4X/75B3T315K8CV-24
R900960575 4WS2EM16-2X/200B12ET315K8EV
R900960539 4WS2EB10-4X/45B2ET40K8AV
R900960536 4WSE3EE25-2X/500B8-315K9EV
R900960302 4WS2EM10-4X/20B4ET315K8EV
R900960229 4WS2EM10-4X/10B3T315K8DV
R900960157 4WSE2ED16-2X/100B9T315K9EV
R900959626 4WSE3EE16-1X/100B8T315K9EV
R900958815 4WS2EM10-4X/30B1ET315K8BV

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