variable pump 中文意思是什麼
variable pump
解釋
變量泵-
A volume speed controlling system is selected on the fluid drive system of sugarcane mill, which consists of cam type axial piston variable pump and ram marathon fixed motor. an individual hydraulic system is adopted by the up - axis of the mill
甘蔗壓榨機液壓驅動系統採用斜盤式軸向柱塞變量泵與橫梁傳力內曲線馬拉松式定量液壓馬達組成容積調速閉式系統。 -
Study on the steady analysis model of variable displacement hydraulic pump
變量液壓泵穩態模擬模型 -
Variable double pump for open circuits. widely used for the various hydraulic excavators
本系列產品為變量串聯雙泵，適用於開式迴路。廣泛應用於各種液壓挖掘機。 -
Automatic essence injection for steam baths. dose pump with variable speed
蒸汽浴自動噴灑系統-可調節每注噴灑的速度 -
The papers study the technology of variable speed drive in electric submergible pump
本文主要論述了潛油電泵系統變頻調速的應用技術。 -
From those studies, we may know the variable speed drive in electric submergible pump is feasible and may run reliably
根據以上的研究可知，潛油電泵系統採用變頻調速是可行的，並且能可靠地運行。 -
This papers mainly study the influence of variable speed drive to the electric submergible pump system, for instance, long motor leads effect and common - mode voltage
本文主要是分析了變頻器對潛油電泵系統的影響，特別是長線傳輸問題及共模電壓問題。 -
In this study, the load charateristics of submergible centrifugal pump and the influence of various regulating methods on energy dissipation are analyzed. the loading capacity of the submergible motor in variable speed drive control process is analyzed. the papers simple discribe the basic structure of the variable speed drive system in electric submergible pump > principle of pwm inverter and the basic structure of igbt
在研究中，對潛油離心泵負載性能以及閘閥調節和調速調節對能耗的影響進行了分析；對潛油電動機在變頻調速的負載進行了分析；對潛油電泵變頻調速系統的基本結構、 pwm逆變器原理以及igbt的基本結構進行了簡單介紹。 -
In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production
論文具體分析研究了不同成形工藝過程中金屬流動的特點，並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度（底部高度）與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析，獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線，同時對油泵定子成形過程的影響因素等進行了分析，優化並獲得了合理的溫擠成形工藝及模具參數。最後，利用模擬優化獲得的各項工藝參數進行生產實驗，得到實際生產出的合格油泵定子件，並將模擬結果與生產實驗結果進行比較。 -
Analysis of the economy on the water feeding pump steam turbine under variable working conditions
變工況下給水泵汽輪機經濟性分析研究 -
A. hydraulic pressure adapts constant power variable axial piston pump for energy saving
液壓泵採用恆功率自動變量軸向柱塞泵，以節省能源。 -
In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design
第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析，給出了離心泵葉片型線的參數方程；它是以葉片安裝角為參變數，以引入的速度系數k _ v作為中間因子，將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實，在離心泵葉片型線的設計過程中，它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能力，或者說，離心泵型線的設計是其水力設計的核心。 -
In this paper, the operation principle of electric proportional variable - volume pump is introduced, and the property of proportional electromagnetic valve is discussed also
摘要介紹了電控比例變量泵的基本原理，討論了比例電磁鐵的特性。 -
The adoption of the variable pump is a breakthrough of the water cutting jet which solved the previously problems in suing the home - made products, such as piston pump filling - up, noise, high - consumption of energy, high oil temperature, lowering of piston pump pressure at the beginning of the work which would effect the starting point and the longevity of the high pressure components will be affected by the changes of pressure
採用變量泵是水刀的技術突破，以前用國內柱塞泵，噪音大、不節能、油溫高，柱塞泵在開始工作時壓力會降低，這樣會影響切入點效果，高壓部件會受到壓力的變化而影響高壓部件的使用壽命。 -
It is indicated that, when a two - speed motor is used for driving oil transfer pump, the motor with the characteristic of torque reduction on square rotary speed should be chosen ; the working economy of the variable speed pump is restricted by the characteristic curves of pipeline resistance, and its speed control range is restricted by the pipeline resistance characteristic curve, the pressure head needed by the system and the working characteristic of the pump ; when several pumps work in parallel, the pump with better performance should be changed into speed - variable pump
指出雙速電動機用於輸油泵的調速時，應選用轉矩按轉速平方降低特性的電動機；調速泵的運行經濟性受到管路阻力特性曲線的限制，其調速范圍受到管路阻力特性曲線、系統所需揚程和泵運行特性的限制；在母管制系統中把部分定速泵改為調速泵時，應將性能較高的定速泵改為調速泵。 -
When the switch is closed, the variable pump has no oil supply, the current decline will keep the motor in empty waiting state, thus effectively save energy
當水開關關閉時變量泵不供油，電流下降使電機處在空載待機狀態，這樣就有效達到節能。 -
Dynamic characteristics of a7v225 braking variable pump, accumulators storage and outlet property, braking and auxiliary driving property of hydraulic systenu load ' s simulation of auxiliary driving and so on have been analyzed in the article. hydraulic storage braking and auxiliary soft starting of down belt conveyor have been simulated in laboratory, at the same time, have testified that this energy saving hydraulic system is available
通過實驗，並應用了小波分析去噪等數據處理手段，文中對a7v225剎車變量泵的動態特性、蓄能器的儲能和放能特性、液壓系統的制動和輔助驅動特性及輔助驅動時負載的模擬等，分別進行了分析。 -
Use of variable pump, the oil temperature is not high, and can substantially reduce water wastage
採用變量泵，油溫不高，能在很大程度上減少水資源的浪費。 -
This paper is focused on the mathematical description of hydraulic control system, in which the hydraulic power comes from variable pump, the actuators are two valve - controlled motors, and the load is purely inertial
摘要探討了由變數泵為液壓源、 2個閥控馬達為執行元件以及慣性負載組成的液壓控制系統的數學描述，並給出了其線性化模型。 -
In the light of significant energy losing during the hydraulic excavator working, a dynamic system was made up from the diesel engine, the variable pump, the control valve and the load to cut down the losing energy from a systematic approach based on the control characteristics of the system elements
摘要針對液壓挖掘機在工作過程中存在的大量能量損失，根據泵的控制特性曲線，將發動機、變量泵、控制閥及負載作為一個動態系統來研究其節能問題。
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