柱塞泵: plunger pump | ram pump | Piston Pumps
多柱塞泵: multi plunger pump | multiple-plunger pump
隔膜柱塞泵: diaphragm plungerpump
液压气压传动：Fluid power drives
液压传动：Hydraulic power drive
气压传动；pneumatic power drive
静液压传动、容积式液压传动：Hydrostatic power drive
动液压传动：Hydrodynamic power drive
容积泵：Positive-displacement pump
叶片泵：Impeller-type pump
容积式液压马达：Hydraulic actuator
叶片式液压马达：Impeller-type Hydraulic motor
液压管路：Hydraulic line , line
吸入管路：I ntake line
排出管路、压力管路：pressure line
回流管路：Return line
排（疏）液管路：Drain line
泵：Pump
（泵的）流量、排量：Pump capacity
液压马达：Hydraulic motor
定（恒）量泵：Constant-displacement pump
恒速液压马达：Constant-speed hydraulic motor
变量泵：Variable-displacement pump
变速液压马达：Variable-speed hydraulick
泵-马达：Pump-motor
压缩机：Air compressor
气压马达：Pneumatic motor
真空泵：Vacuum pump
风机：Fan
齿轮泵：Gear pump
齿轮式液压马达：Gear-type hydraulic motor
转子泵、回转式泵：Rotary abutment pump
转子式液压马达、回转式液压马达：Rotary abutment motor 螺杆泵：Screw pump
螺杆式液压马达：Screw motor
滑片泵：Vane pump
滑片式液压马达：V ane motor
轴向活塞泵：Axial-piston pump
轴向活塞式液压马达：Axial-piston motor
气压缸：pneumatic cylinder
活塞：Piston
活塞杆：Piston rod
单（向）作用缸、单动缸：Single-acting cylinder
双（向）作用缸、双动缸：Double-acting cylinder
活塞腔、活塞侧：head end of cylinder
活塞杆腔、活塞杆侧：Rod end of cylinder
柱塞缸：Plunger cylinder
伸缩缸、套筒式缸：Telescoping cylinder
隔膜作动缸：Diaphragm actuator
摆动式液压机、摆动式液压马达、摆动油缸：Limited rotary Hydraulic motor
滑片式摆动液压机、滑片式摆动液压马达、滑片式摆动油缸：Vane-type limited rotary motor 活塞式摆动液压机、活塞式摆动液压马达、活塞式摆动油缸：Piston-type limited rotary motor 液压变换器、换压器：Hydraulic transformer
液压控制阀：Hydraulic control valve
滑阀：Spool valve Slide valve
液压开关、旋塞（阀）：Rotary valve
阀门、阀：Seat valve
压力（控制）阀：Pressure control valve
定差减压阀：Relief valve
安全阀：Safety valve
减压阀：Pressure reducing valve
单向阀：Check valve
节流阀：Throttle
节流：throttling
工作孔：oriffice
分配阀：distribution valve
液压分配阀、配液阀：Hydraulic distribution valve
气压分配阀、配气阀：pneumatic distribution valve
（液压）蓄压器：Hydraulic accumulator
重锤蓄压器：Weighted hydraulic accumulator
弹簧蓄压器：Spring-loaded hydraulic accumulator
管路、管道：pipeline
管子：Pipe
接管零件、管件：Pipe fitting
管节：Pipe coupling
弯头：Elbow
三通管：Tee
四通管：cross
管堵（塞）、外丝堵、螺塞：Male pipe plug
堵盖：Bonnet
鞍形接头、交叉接头：Cross-over(saddle)
内接头、螺纹接头：Shoulder nipple
接管螺母、接头螺母：Collar nut
旋入接头：Threaded bushing
中间接头：Union joint
接管：Union nipple
软管：Hose
轴向柱塞泵: axial plunger pump
一、阀类
Solenoid valve 电磁阀
Check valve 单向阀
Cartridge valve 插装阀
Sandwich plate valve 叠加阀
Pilot valve 先导阀
Pilot operated check valve 液控单向阀
Sub-plate mount 板式安装
Manifold block 集成块
Pressure relief valve 压力溢流阀
Flow valve 流量阀
Throttle valve 节流阀
Double throttle check valve 双单向节流阀Rotary knob 旋钮
Rectifier plate 节流板
Servo valve 伺服阀
Proportional valve 比例阀
Position feedback 位置反馈
Progressive flow 渐增流量
De-energizing of solenoid 电磁铁释放二、介质类Phosphate ester (HFD-R) 磷酸甘油酯
Water-glycol (HFC) 水-乙二醇
Emulsion 乳化液
Inhibitor缓蚀剂
Synthetic lubricating oil 合成油
三、液压安装工程
Contamination 污染
Grout 灌浆
Failure 失效
Jog 点动
Creep爬行
Abrasion 摩擦
Retract（活塞杆）伸出
Extension （活塞杆）缩回
Malfunction 误动作
Pickling 酸洗
Flushing 冲洗
Dipping process 槽式酸洗
Re-circulation 循环
Passivity 钝化
Nitric acid 柠檬酸
Argon 氩气
Butt welding 对接焊
Socket welding 套管焊
Inert gas welding 惰性气体焊
四、管接头
Bite type fittings 卡套式管接头
Tube to tube fittings 接管接头
union 直通接管接头
union elbow 直角管接头
union tee 三通管接头
union cross 四通管接头
Mal stud fittings 端直通管接头
Bulkhead fittings 长直通管接头
Weld fittings 焊接式管接头
Female connector fittings 接头螺母
Reducers extenders 变径管接头
Banjo fittings 铰接式管接头
Adjustable fittings/swivel nut 旋转接头五、伺服阀及伺服系统性能参数Dynamic response 动态频响
DDV-direct drive valve 直动式伺服阀
NFPA-National Fluid Power Association 美国流体控制学会
Phase lag 相位滞后
Nozzle flapper valve 喷嘴挡板阀
Servo-jet pilot valve 射流管阀
Dither 颤振电流
Coil impedance 线圈阻抗
Flow saturation 流量饱和
Linearity 线形度
Symmetry 对称性
Hysterics 滞环
Threshold 灵敏度
Lap 滞后
Pressure gain 压力增益
Null 零位
Null bias 零偏
Null shift 零飘
Frequency response 频率响应
Slope 曲线斜坡。