Flow force compensating spool valve and hydraulic valve, pneumatic valve, three-way control valve, and four-way control valve using the same

• 1. 流量控制阀以及流量控制阀用的滑阀位置检测装置 [P] . 中国专利： CN104019276B . 2016.11.02
• 2. 流量控制阀以及流量控制阀用的滑阀位置检测装置 [P] . 中国专利： CN104019276A . 2014-09-03
• 3. FLOW FORCE COMPENSATING SPOOL VALVE AND HYDRAULIC VALVE, PNEUMATIC VALVE, THREE-WAY CONTROL VALVE, FOUR-WAY CONTROL VALVE USING IT [P] . 韩国专利： KR100496650B1 . 2005-06-22

  机译： 流量补偿阀，液压阀，气动阀，三通控制阀，四通控制阀

• 4. 3 4 FLOW FORCE COMPENSATING SPOOL VALVE AND HYDRAULIC VALVE PNEUMATIC VALVE THREE-WAY CONTROL VALVE FOUR-WAY CONTROL VALVE USING IT [P] . 韩国专利： KR20040001313A . 2004-01-07

  机译： 3 4流量补偿蝶阀和液压阀气动阀三通控制阀四通控制阀使用它

• 5. Four-way pneumatic control valve - has valve spool movable in housing having two air chambers, exhaust chamber and cylindrical chambers in wall to select flow path [P] . 法国专利： FR2491184A1 . 1982-04-02

  机译： 四通气动控制阀-阀芯可在壳体内移动，壁上有两个气室，排气室和圆柱室以选择流路

• 1. A comprehensive review of cavitation in valves:mechanical heart valves and control valves [J] . Jin-yuan Qian, Zhi-xin Gao, Cong-wei Hou, 生物设计与制作(英文) . 2019,第002期
• 2. Lumped Parameter Mass Flow Rate and Pressure Control Characteristics Model for High-Speed Pneumatic PWM on/off Valve [J] . XIANG Zhong, HU Xu-dong, LIU Hao, 东华大学学报（英文版） . 2014,第003期
• 3. Valve spool and valve sleeve annular gap value simulation analysis and optimization in hydraulic rotary self servo valve [C] . Xiaolei Liu, Lin Jiang, Qi Hu, International Conference on Manufacturing Science and Engineering . 2015
• 4. Testing the Pressure Transient Flow-Force for Spool-Type Two-Way Valves. [D] . Zhang, Shusen. 2011
• 5. ‘Off pump’ self-expanding injectable tissue valves (IPVR) versus ‘on pump’ conventional tissue valves (PVR) for replacement of the pulmonary valve: trial protocol for a randomised controlled trial (InVITe trial) [O] . Rachael Heys, Gianni Angelini, Massimo Caputo, 2019
• 6. Poster Session 3The imaging examination and quality assessmentP626Value of mitral and tricuspid annular displacement to assess the interventricular systolic relationship in severe aortic valve stenosis : a Pilot studyP627Follow-up echocardiography in asymptomatic valve disease: assessing the potential economic impact of the European and American guidelines in a dedicated valve clinic, compared to standard care.P628The tricuspid valve: identification of optimal view for assessing for prolapseP629Right atrial volume by two-dimensional echocardiography in healthy subjectsP630Disturbance of inter and intra atrial conduction assessed by tissue doppler imaging in patients with medicaly controlled hypertension and prehypertension.P631Liver stiffness by shear wave elastography, new noninvasive and quantitative tool for acute variation estimation of central venous pressure in real-time?P632Weak atrial kick contribution is associated with a risk for heart failure decompensationP633Usefulness of wave intensity analysis in predicting the response to cardiac resynchronization therapyP634Early subclinical left ventricular systolic and diastolic dysfunction in gestational hypertension and preeclampsiaP635Clinical comparison of three different echocardiographic methods for left ventricular ejection fraction and LV end diastolic volume measurementP636Assessment of right ventricular-arterial coupling parameters by 3D echocardiography in patients with pulmonary hypertension receiving specific vasodilator therapyP637Prediction of right ventricular failure after left ventricular assist device implant: assessing usefulness of standard and strain echocardiographyP638Kinematic analysis of diastolic function using the novel freely available software Echo E-waves - feasibility and reproducibilityP639Evaluation of coronary flow velocity by Doppler echocardiography in the treatment of hypertension with the ARB: correlation to the histological cardiac fibrosisP640The clinical significance of limited apical ischaemia and the prognostic value of stress echocardiography - A contemporary study from a high volume centerP641Effects of intermediate stenosis of left anterior descending coronary artery on survival in patients with chronic total occlusion of right coronary arteryP642Left ventricular remodeling after a first myocardial infarction in patients with preserved ejection fraction at dischargeP643Left atrial size and acute coronary syndromes. Let is make simple.P644Influence of STEMI reperfusion strategy on systolic and diastolic functionP645Aortic valve resistance risk-stratifies low-gradient severe aortic stenosisP646Does permanent pacemaker implantation complicate the prognosis of patients after transcatheter aortic valve implantation?P647Influence of metabolic syndrome and diabetes on progression of calcific aortic valve stenosis - The COFRASA - GENERAC StudyP648Low referral for aortic valve replacement accounts for worse long-term outcome in low versus high gradient severe aortic stenosis with preserved ejection fractionP649The impact of right ventricular function from aortic valve replacement: A randomised study comparing minimally invasive aortic valve surgery and conventional open heart surgery [O] . T. Ota, DNS Senaratne, NK. Preston, 2016
• 7. PRESSURE MODEL OF A FOUR-WAY SPOOL VALVE FOR SIMULATING ELECTRO HYDRAULIC CONTROL SYSTEMS [R] . Vernon D. Gebben 1976

• 1. A comprehensive review of cavitation in valves: mechanical heart valves and control valves [J] . Jin-yuan Qian ,Zhi-xin Gao ,Cong-wei Hou . 生物设计与制造 . 2019,第002期
• 2. Investigation into the Independent Metering Control Performance of a Twin Spools Valve with Switching Technology-controlled Pilot Stage [J] . Qi Zhong ,Huiming Bao ,Yanbiao Li . 中国机械工程学报:英文版 . 2021,第5期
• 3. STUDY ON FLUID THICKNESS BETWEEN POPPET AND VALVE GUIDE IN CONTROL VALVE OF INJECTOR [J] . Zhang Jianming ,Zhang Weigang ,Wang Yawei . 中国机械工程学报 . 2004,第004期
• 4. 大流量快动控制阀先导阀的设计与仿真 [C] . 乔桂玲 ,张文明 ,周平 . 2012年LMS中国用户大会 . 2012
• 5. 化工专用控制阀关键技术研究与高性能系列控制阀研制 [A] . 张玮 . 2011