pressure controlled valve 中文意思是什麼
pressure controlled valve
解釋
壓力調節閥；壓力控制閥-
Controlled closing of the valve, opens the mainline check valve, gradually increasing line pressure
閥門受到控制的關閉操作，開啟主管線止回閥，逐漸增加管線壓力。 -
Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted
在負荷較小時，壓縮機採用低速運轉，吸氣壓力升高，這對系統降低能耗是有利的；變頻控制時，蒸發器製冷劑流量的變化並非線性；系統中採用電子膨脹閥進行過熱度控制，被控對象具有參數時變的特性，相應地宜採用變結構的控制器。 -
The first section is about the way and principle of the h ( k ) f operation valve ; the second section is about controlled way of the air gate. the third section is about the controlled and transmission of the pressure signals in train pip, auxiliary pressure air tank and bake tank ; the fourth section is about the auto test way and principle of the three thoroughfare valve leakage
第一部分是h （ k ） 、 f操作閥的控制方法和原理；第二部分是風門的控制方法與原理；第三部分是列車管、副風缸、制動風缸壓力信號的採集與傳輸控制；第四部分是三通閥漏泄自動檢測方法與原理。 -
Because the operation in water hydraulic valves is controlled by flow fluid and the pressure drop results from energy loss of flow fluid past valve channel, the flow state of fluid in valves becomes the most important factor for the operational property of valves
由於水壓閥是通過控制流體流動來操作系統的，閥的壓降也來自於流體流經閥道時的能量損失，因此閥內的流體流動狀態就成為決定閥操作性能最為重要的因素。 -
In order to overcome the disadvantages of servo valves and the spool valves, the fast hydraulic system controlled by the fast on - off valve is researched which uses the on - off valves as the pilot valves. they are used to control the opening and closing of the logic valves, thus they can control the pressure and the flow. so they can control the movement direction and the velocity of the piston
為了克服伺服閥和滑閥的不足，本文所研究的基於快速開關閥的快速液壓系統採用快速開關閥作先導閥，控制邏輯閥的開啟和關閉，從而控制液流的通斷和壓力的高低、流量的大小，以實現對活塞運動方向、速度的控制。 -
The research indicated that, if the secondary combustion chamber was looked on as a controlled object, with the adjusting valve as a input, the pressure and the temperature of a selected point on the inside wall of the combustion chamber as outputs, then such controlled system would be a strongly non - linear, time varying system with number of random disturbances, which resulted in huge difficulty to build an analyzed mathematics model for the spray burning of the liquid fuel, so that classic control methods were all invalid
研究表明，若將rbcc發動機的二次燃燒室視為一個控制對象，同時以燃燒室內壁面取定點處的壓強、溫度和調節閥的開度為輸入輸出變量，則該系統將是輸入?輸出特性非線性很強、隨機干擾嚴重的復雜時變系統。這導致建立燃油噴霧燃燒具體模型的很大困難，從而宣告了經典控制方案的失效。 -
A on - identify model of proportional valve pressure controlled system was established though analyzing the configuration of dbetr type proportional pressure relief valve firstly, and then using classical step response method to identify system parameter, a practicable system simple model was deduced at last
摘要從dbetr型比例壓力溢流閥結構出發，先建立比例閥控制壓力系統的待辨識模型，再採用經典的階躍響應法辨識系統參數，得到工程上適用的系統簡化模型。 -
The pressure of scraper is controlled by the air pressure adjusting valve
配套氣壓調節閥，控制刮印刀的壓力。 -
Introduce the research and application of constant - pressure hydraulic power both in china and abroad and put forward and analyzes several constant - pressure hydraulic power controlling methods and pick out constant - pressure hydraulic power controlled by the proportional relief valve that fits the measuring system mostly
依據國內外恆壓油源系統的研究及應用現狀，提出了幾種油源恆壓控制方案，分析各種方案的優缺點並選出適合測量系統的比例溢流閥控恆壓油源方案。 -
The experimental system is build up in this dissertation, by which we proceed the experimental research aiming at two structure schemes which are electro - hydraulic load simulator controlled by single pressure servo valve control and loading platform controlled by pressure and flow servo valves separately
本文建立了減搖鰭電液負載模擬臺的實驗系統，並分別在單個壓力伺服閥控制加載系統、壓力伺服閥和流量伺服閥雙閥控制加載實驗系統進行了實驗研究。 -
Pressure controlled valve
壓力控制閥 -
This valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves
該閥採用二級減壓變化原理，降低開關閥時水壓對閥體等配件的沖擊，提高電磁閥的可靠性和工作壽命，縮短了閥在最高介質壓力下開啟時間，使其在脈沖式電控閥門中具有無可倫比的節能優勢。 -
Fcd. 3 138d : 4ds outer - thread copper pipe union at both ends of the inlet and the outlet this valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves
該閥採用二級減壓變化原理，降低開關閥時水壓對閥體等配件的沖擊，提高電磁閥的可靠性和工作壽命，縮短了閥在最高介質壓力下開啟時間，使其在脈沖式電控閥門中具有無可倫比的節能優勢。 -
Fcd. 3 138g : 4ds outer - thread copper pipe union at both ends of the inlet and the outlet this valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves, combining to increase filtered to regulate the discharge function with machine type
該閥採用二級減壓變化原理，降低開關閥時水壓對閥體等配件的沖擊，提高電磁閥的可靠性和工作壽命，縮短了閥在最高介質壓力下開啟時間，使其在脈沖式電控閥門中具有無可倫比的節能優勢，並在接線上採用密封插件，並增加了過濾器和機械式調節流量功能。 -
The pressure can now be controlled by the new linkam vc94 motorized valve. simply type a chamber pressure and observe the new stable vacuum in less than a minute
壓力可以由新研製的vc94自動閥控制。簡單的輸入腔室壓力，一分鐘之內可以看到新的穩定的真空。 -
By employing intelligent control, the pressure pump and electro - hydraulic valve are controlled by the host computer, therefore the influence on metering accuracy, which caused by human factors is eliminated and the metering error is reduced. scientificalness and automation of the metering management system is implemented by using local area network
主機對加壓泵和電液閥進行智能控制，消除了人為因素對計量精度的影響，減小了計量誤差，利用局域網技術實現計量管理的科學化、自動化、網路化。 -
This equipment is for general assembly of clutch pressure plate assembly and calibration of diaphragm finger ; the whole machine is driven by compressed air and air cylinder is controlled by electromagnetic valve by finishing multiple functions ; this equipment divides into two basic types for light - duty and heavy - duty, it also can be made into light & heavy duty equipment according to user ' s request
本設備用於汽車離合器壓盤總成的總裝和膜片分離指的校正；設備動力用壓縮空氣，執行元件用電磁閥控制氣缸以完成多項功能；本設備分輕型及重型兩種基本型號，也可按照用戶要求，將輕型與重型做成雙工位設備。 -
This paper analyses the type, function and characteristics of usual proportional control valves and raises a new modificative version in the light of their drawback. that is, basing on the principle of flow amplification and electrical feedback and throughout calculation and analysis on flow closed loop control and pressure flow combination., determination of the minimum controlled pressure difference as well as flow controlling range and structure of main valve and research of the dynamic and static characteristic, the paper puts forward control principle of " flow - load pressure change - displacement revision " and pressure / flow double closed loop, and further expounds that using a proportional controller and a electric mechanical transducer can separately serve the control function of pressure or flow as well as flow pressure combination
本論文分析了目前常用比例閥的類型、功能、特性，並針對其不足提出新的改進方案，即：以流量放大，電反饋兩個原理為基礎，通過對流量閉環控制及壓力流量復合的計算分析、確定上最小控制壓差及流量控制范圍，確定主閥結構、功能特性研究等，提出了「流量? ?負載壓力變化? ?位移修正」的控制原理和壓力流量雙閉環控制原理，並進一步論述了利用一個比例控制器和一個「電?機械轉換器」就可完成獨立的壓力或流量控制功能以及流量壓力復合控制功能。 -
To measure the concerned parameter at production line, a highly automatic steady - state test bench based on the old version is presented in this paper, on which the valve lift and test pressure are all computer - controlled
本文在原氣道試驗臺基礎上，設計了一套自動化程度較高的氣道穩態試驗臺，可以對氣門升程和試驗壓力進行自動調節，適用於生產線上使用。 -
The system has others virtues, such as wide fuel adaptability, little fluctuation of pressure, good seal performance, etc. the injector of direct injection is assembled from electronic controlled valve and diesel injector, and it is used in the experiment
研究了多種燃料供應方式下的燃料供應系統，其中缸內噴射系統創造性地採用液壓增壓方式，其具備燃料適應性廣、噴射壓力可調（ 2 12mpa ） 、壓力波動小、密封性好等優點。
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