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Journal articles on the topic 'Reverse valve'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 February 2022

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1

Luo, Yan Lei, Cong Guo Xu, and Qiu Yan Zhang. "Research on Dynamic Characteristics of Anti-Reverse Valve for Hydraulic Excavator Rotary Motor." Advanced Materials Research 871 (December 2013): 290–95. http://dx.doi.org/10.4028/www.scientific.net/amr.871.290.

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Hydraulic excavator slewing system is an important component of the excavator and its core-component is the rotary motor. When the rotary hydraulic system starts, stops, and reciprocating works, dynamic characteristic of rotary motor anti-reverse valve has a great influence for working condition of the whole system. Through researching working principle of hydraulic system anti-reverse valve, establish dynamic mathematical model of anti-reverse valve, analyze dynamic response of the model, and get the theoretical foundation of the impact of anti-reverse valve middle chamber throttle opening on

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2

Stadnik, Mykola, Serhiy Shargorodskiy, and Volodymyr Rutkevych. "ENSURING CONTINUOUS HYSTERESIS OF SPROAD ACTION VALVE SAFETY VALVES." ENGINEERING, ENERGY, TRANSPORT AIC, no. 4(111) (December 18, 2020): 100–108. http://dx.doi.org/10.37128/2520-6168-2020-4-11.

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In the article principles of construction and design of spring valve units are considered, which allow to obtain a given dynamic quality to ensure constant hysteresis of spool safety valves of direct action. The analysis of efficiency of devices of correction of dynamic quality of spring valve units for ensuring their working capacity at variation of external operating factors by purposeful management of kinematic and force parameters of elastic-damping elements, and also the reasons influencing hysteresis It is noted that one of the reasons for the increase in hysteresis is damage to the rubb

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3

Kırali, Kaan. "Reverse U aortotomy (Kırali incision) for aortic valve replacement." Asian Cardiovascular and Thoracic Annals 24, no. 5 (2015): 467–69. http://dx.doi.org/10.1177/0218492315575847.

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4

Ahn, Hee-Hak, and Chung-Seob Yi. "Flip-Flap Valve-Type Breakaway Coupling through Reverse Engineering." Journal of the Korean Society of Manufacturing Process Engineers 15, no. 4 (2016): 16–22. http://dx.doi.org/10.14775/ksmpe.2016.15.4.016.

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5

Koeshardono, F., R. Rahmaditia, and D. Cahyadi. "CAD modelling of fire safe valve body by reverse engineering." Journal of Physics: Conference Series 1450 (February 2020): 012084. http://dx.doi.org/10.1088/1742-6596/1450/1/012084.

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6

Cowgill, Joshua, Sebastian Jablonski, Edward Teufel, and James Parker. "REVERSE LUTEMBACHER: A RARE LATE COMPLICATION OF TRICUSPID VALVE REPLACEMENT." Journal of the American College of Cardiology 73, no. 9 (2019): 2381. http://dx.doi.org/10.1016/s0735-1097(19)32987-0.

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7

Hutton, Michael D. C., Jeffrey M. Hamdorf, and Pedram Imani. "REVERSE BALL VALVE SYNDROME: RETROGRADE INTUSSUSCEPTION OF A DUODENAL POLYP." ANZ Journal of Surgery 70, no. 7 (2000): 536–37. http://dx.doi.org/10.1046/j.1440-1622.2000.01879.x.

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8

Basra, Sukhdeep, and Molly Szerlip. "Transcatheter Aortic Valve Replacement and MitraClip to Reverse Heart Failure." Interventional Cardiology Clinics 6, no. 3 (2017): 373–86. http://dx.doi.org/10.1016/j.iccl.2017.03.007.

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9

McCann, Gerry P., and Anvesha Singh. "Revisiting Reverse Remodeling After Aortic Valve Replacement for Aortic Stenosis." Journal of the American College of Cardiology 71, no. 8 (2018): 872–74. http://dx.doi.org/10.1016/j.jacc.2017.12.036.

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10

Chervov, Alexander. "CALCULATUION OF DYNAMIC PARAMETERS OF REVERSE CHAMBER OF PNEUMATIC HAMMER WITH MECHANICAL LOCKING OF ELASTIC VALVE." Interexpo GEO-Siberia 2, no. 5 (2019): 98–102. http://dx.doi.org/10.33764/2618-981x-2019-2-5-98-102.

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In paper short description of construction and functioning of pneumatic hammer with air distribution system based on application of elastic valve in exhaust line of reverse chamber is carried out. Using specified parameters of pneumatic hammer (percussion energy, percussion speed, ration of chamber squares, form of working chamber, compressed air pressure and etc.) mass of striking pin, working path, diameters of working chamber and cylindrical part of reverse chamber, dimensions of circle elastic valve are calculated. Proposed method of calculation considers change of cross-section of reverse

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11

Szilveszter, Bálint, Daniel Oren, Levente Molnár, et al. "Subclinical leaflet thrombosis is associated with impaired reverse remodelling after transcatheter aortic valve implantation." European Heart Journal - Cardiovascular Imaging 21, no. 10 (2019): 1144–51. http://dx.doi.org/10.1093/ehjci/jez256.

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Abstract Aims Cardiac CT is increasingly applied for planning and follow-up of transcatheter aortic valve implantation (TAVI). However, there are no data available on reverse remodelling after TAVI assessed by CT. Therefore, we aimed to evaluate the predictors and the prognostic value of left ventricular (LV) reverse remodelling following TAVI using CT angiography. Methods and results We investigated 117 patients with severe, symptomatic aortic stenosis (AS) who underwent CT scanning before and after TAVI procedure with a mean follow-up time of 2.6 years after TAVI. We found a significant redu

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12

Yao, Yongming, Zhicong Zhou, Huiying Liu, Tianyu Li, and Xiaobin Gao. "Valveless Piezoelectric Pump with Reverse Diversion Channel." Electronics 10, no. 14 (2021): 1712. http://dx.doi.org/10.3390/electronics10141712.

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In order to reduce backflow and improve output performance, a valveless piezoelectric pump with a reverse diversion channel was produced. The channel was designed based on the structure of the Tesla valve, which has no moving parts and can produce a high-pressure drop during reverse flow. Therefore, this special flowing channel can reduce the backflow of a valveless piezoelectric pump, which has the characteristic of one-way conduction. This work first revealed the relationship between the main structural parameters of the Tesla valve and the kinetic energy difference of liquid. Then, by using

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13

Kim, S. D., and H. W. Ahn. "Reverse Analysis on a Direct Dive Servo Valve with Electric Feedback." Journal of The Korean Society for Fluid Power & Construction Equipments 10, no. 4 (2013): 22–28. http://dx.doi.org/10.7839/ksfc.2013.10.4.022.

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14

Zhang, Da, Xiaolong Zhang, and Huibin Li. "Simulation of Dynamic Characteristic of Reverse Pressure Relief Valve with AMESim." IOP Conference Series: Earth and Environmental Science 242 (March 30, 2019): 032040. http://dx.doi.org/10.1088/1755-1315/242/3/032040.

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15

Yue, Ke, Lei Pang, Haoyang You, et al. "Reverse recovery characteristics of high power thyristors in HVDC converter valve." IEEE Transactions on Dielectrics and Electrical Insulation 24, no. 4 (2017): 2132–40. http://dx.doi.org/10.1109/tdei.2017.006258.

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16

Panayotov, P., M. Slavov, D. Panayotova, and N. Nikolova. "Left atrial reverse remodeling following surgical revascularization and mitral valve repair." Heart - Lung (Varna) 17, no. 1-2 (2011): 24. http://dx.doi.org/10.14748/hl.v17i1-2.4320.

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17

Jin, Zhi-jiang, Zhi-xin Gao, Min-rui Chen, and Jin-yuan Qian. "Parametric study on Tesla valve with reverse flow for hydrogen decompression." International Journal of Hydrogen Energy 43, no. 18 (2018): 8888–96. http://dx.doi.org/10.1016/j.ijhydene.2018.03.014.

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18

Kim, Juyong Brian, Yukari Kobayashi, Tatiana Kuznetsova, et al. "Cytokines profile of reverse cardiac remodeling following transcatheter aortic valve replacement." International Journal of Cardiology 270 (November 2018): 83–88. http://dx.doi.org/10.1016/j.ijcard.2018.05.020.

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19

Treibel, Thomas A., Rebecca Kozor, Rebecca Schofield, et al. "Reverse Myocardial Remodeling Following Valve Replacement in Patients With Aortic Stenosis." Journal of the American College of Cardiology 71, no. 8 (2018): 860–71. http://dx.doi.org/10.1016/j.jacc.2017.12.035.

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20

Cho, Deok-Kyu, Jong-Won Ha, Byung-Chul Chang, et al. "Factors Determining Early Left Atrial Reverse Remodeling After Mitral Valve Surgery." American Journal of Cardiology 101, no. 3 (2008): 374–77. http://dx.doi.org/10.1016/j.amjcard.2007.09.076.

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21

Chapman, Mimi, and Teruhiko Imamura. "Cardiac reverse remodeling following mitral valve replacement in men and women." Journal of Cardiac Surgery 36, no. 4 (2021): 1583. http://dx.doi.org/10.1111/jocs.15424.

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22

Schmiady, Martin, Dominique Bettex, Michael Hübler, and Martin Schweiger. "Recycling of the Pulmonary Autograft During Reverse Ross Operation: From Pulmonary Valve to Neoaortic Valve and Back." World Journal for Pediatric and Congenital Heart Surgery 10, no. 2 (2019): 242–44. http://dx.doi.org/10.1177/2150135118798584.

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The Ross operation is the operation of choice for children and young adults who require aortic valve replacement. Although the allograft does not require anticoagulation and has a superior hemodynamic profile compared to other valve substitutes, concerns regarding allograft and autograft longevity have risen in the last decade. We present a case illustrating an alternative operative technique for patients with failed Ross procedure in which the autograft is recycled in order to avoid a two-allograft replacement.

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23

Su, Pei Qun, and Zhi Hui Deng. "Analysis of the Opening Characteristic of Hydraulic Control One-Way Valve in Vertical Hydraulic Cylinder Balance Circuits." Applied Mechanics and Materials 318 (May 2013): 15–20. http://dx.doi.org/10.4028/www.scientific.net/amm.318.15.

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Hydraulic control one-way valve as the retaining element of vertical hydraulic cylinder, often is due to improper application to produce large opening pressure, not unlocking, vibration, noise etc.fault. This paper analyses two vertical hydraulic balance circuit, one makes use of the one-way throttle valve and another is not,calculates the necessary condition and opening pressure of hydraulic control one-way valve reverse opening, obtains the opening characteristic of hydraulic control one-way valve in vertical balancing circuit, acquires the relationship of the reverse opening pressure with h

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24

Qu, Li Gang, and Zheng Qi Qin. "Study on Modeling Technique about Complex Valve Body Based on Reverse Engineering." Key Engineering Materials 419-420 (October 2009): 461–64. http://dx.doi.org/10.4028/www.scientific.net/kem.419-420.461.

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The reverse modeling solution and its key technologies about complex part with internal cavity are introduced in this paper, taken the casting valve body for an example. The melt silicon rubber is injected in the valve body to duplicate its internal cavity surface, which is transformed into the external surface of the concretionary silicon rubber entity. The technical hurdle of collecting internal cavity surface data is solved. The key modeling technologies are studied according to data of spot cloud collected by laser-scanning approach, data preprocessing of spot cloud based on synthetic meth

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25

Aroney, N., R. Markham, S. Kyranis, et al. "Three-dimensional Printing in Perioperative Planning of Percutaneous Transeptal Transcatheter Mitral Valve-in-Valve with Reverse-Loop Entry." Heart, Lung and Circulation 27 (2018): S429. http://dx.doi.org/10.1016/j.hlc.2018.06.873.

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26

Kortekaas, Kirsten A., Georgette E. Hoogslag, Rudolf A. de Boer, et al. "Galectin-3 and left ventricular reverse remodelling after surgical mitral valve repair." European Journal of Heart Failure 15, no. 9 (2013): 1011–18. http://dx.doi.org/10.1093/eurjhf/hft056.

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27

Zhao, Jiyun, and Lei Liu. "Multistage throttling characteristics of reverse direction impact of pilot operated check valve." Journal of Vibroengineering 18, no. 3 (2016): 1874–83. http://dx.doi.org/10.21595/jve.2016.16764.

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28

Lazarides, Miltos K., Spyros N. Vasdekis, Dimitrios Arwanitis, and John Dayantas. "The use of vein valve cutter in reverse brachiocephalic arteriovenous fistula creation." Journal of Vascular Surgery 14, no. 1 (1991): 121–22. http://dx.doi.org/10.1016/0741-5214(91)90164-p.

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29

Toya, Teppei, Satsuki Fukushima, Yusuke Shimahara, Shingo Kasahara, Junjiro Kobayashi, and Tomoyuki Fujita. "Reverse left ventricular remodelling after aortic valve replacement for severe aortic insufficiency." Interactive CardioVascular and Thoracic Surgery 32, no. 6 (2021): 846–54. http://dx.doi.org/10.1093/icvts/ivab020.

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Abstract OBJECTIVES The goal of this study was to investigate the long-term outcome of aortic valve replacement (AVR) for severe aortic insufficiency with a focus on pre- and postoperative left ventricular (LV) function to explore predictive factors that influence the recovery of LV function and clinical outcome. METHODS A total of 478 patients who underwent AVR for pure severe aortic insufficiency were grouped according to the preoperative echocardiographical LV ejection fraction (EF): low (LO) EF &lt;35% (n = 43), moderate EF 35–50% (n = 150) or normal EF &gt;50% (n = 285). RESULTS A

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30

Hurley, M. R., and M. D. Lavender. "Disturbed Sampling Using Reverse Circulation." Geological Society, London, Engineering Geology Special Publications 2, no. 1 (1986): 283–87. http://dx.doi.org/10.1144/gsl.1986.002.01.51.

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AbstractThe exploration of unconsolidated and semi-consolidated strata is generally undertaken using shell and auger and continuous flight augering techniques. These methods have serious limitations, especially when accurate sampling is required below the water table.To improve the reliability of samples British Industrial Sand Ltd. have developed a drill bit for use with reverse circulation drilling. When used in combination with a non-return valve this method allows continuous drilling and sampling both above and below the water table.Comparisons with other drilling techniques show that the

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31

Gamboa, Adrian R., Christopher J. Morris, and Fred K. Forster. "Improvements in Fixed-Valve Micropump Performance Through Shape Optimization of Valves." Journal of Fluids Engineering 127, no. 2 (2004): 339–46. http://dx.doi.org/10.1115/1.1891151.

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The fixed-geometry valve micropump is a seemingly simple device in which the interaction between mechanical, electrical, and fluidic components produces a maximum output near resonance. This type of pump offers advantages such as scalability, durability, and ease of fabrication in a variety of materials. Our past work focused on the development of a linear dynamic model for pump design based on maximizing resonance, while little has been done to improve valve shape. Here we present a method for optimizing valve shape using two-dimensional computational fluid dynamics in conjunction with an opt

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32

Dokoupil, Pavel, Daniel Himr, and Vladimír Habán. "Experimental analysis of static and dynamic properties of the check valves." EPJ Web of Conferences 213 (2019): 02013. http://dx.doi.org/10.1051/epjconf/201921302013.

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The check valves play an important role in safety and reliability of many technologies using liquid or gas flow. Check valves are elements of the hydraulic system enabling the one-way flow without a significant pressure loss and preventing the reverse flow. The ideal check valve should have an acceptable pressure loss and, when closed, there should be no undesirable dynamic phenomena like water hammer or slam. The static properties describe energy losses of the check valve, and the producers provide them as a standard. The static properties can be defined either in an experimental way or using

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33

Andrews, R. Jeffrey, Graeme A. Mein, and Murray R. Brown. "Improved milking characteristics of teatcups fitted with non-return valves." Journal of Dairy Research 55, no. 4 (1988): 505–11. http://dx.doi.org/10.1017/s0022029900033276.

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SummaryThe milking characteristics of conventional clusters were compared with individual teatcups or clusters fitted with valves in the short milk tubes without external air admission to the liners. Individual teatcups fitted with non-return valves had peak milk flow rates 13% higher than conventional teatcups. A daily cross-over experiment involving 36 cows compared clusters fitted with non-return valves to conventional clusters. Valved clusters milked 18% faster, showed significantly better teatcup stability and 3% higher machine milk yields, but 48% higher strip yields were recorded. Clust

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34

Mikuš-Kuracinová, Kristína, Pavel Babál, and Eliška Kubíková. "Left Ventricle Outflow Obstruction by Reverse-Oriented Tricuspid Semilunar Valve-Like Endocardial Duplicatures." Case Reports in Cardiology 2018 (2018): 1–4. http://dx.doi.org/10.1155/2018/2403806.

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A 57-year-old female had a history of hypertension disease, and one year before her death, her ECG showed signs of left ventricle hypertrophy. She died with signs of heart failure with pulmonary edema development. At autopsy, there was left ventricle hypertrophy (wall thickness: 21 mm). In the left ventricle outflow channel, 15 mm below the aortic valve on the muscular wall, there were three white 1–1.5 mm thick membranous semilunar valve-like structures with the sizes of 9, 7, and 5 mm, with concavities opened into the left ventricle, reducing the outflow area by 21.5%. These structures were

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35

Matsuura, Kaoru, Kenji Mogi, Manabu Sakurai, Tomonori Kawamura, and Yoshiharu Takahara. "Predictor Analysis of Mid-Term Left Atrial Reverse Remodeling after Mitral Valve Surgery*." World Journal of Cardiovascular Surgery 03, no. 02 (2013): 52–57. http://dx.doi.org/10.4236/wjcs.2013.32009.

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36

Kirali, Kaan, Deniz Goksedef, and Cevat Yakut. "Reverse "U"Aortotomy for Aortic Valve Replacement After Previous Coronary Artery Bypass Grafting." Journal of Cardiac Surgery 20, no. 3 (2005): 269–70. http://dx.doi.org/10.1111/j.1540-8191.2005.200452.x.

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37

Luzi, Carlos Daniel, Osvaldo Miguel Martínez, and Guillermo Fernando Barreto. "Autothermal reverse-flow reactors: Design and comparison of valve-operated and rotary systems." Chemical Engineering Science 148 (July 2016): 170–81. http://dx.doi.org/10.1016/j.ces.2016.03.033.

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38

Sirait, Rummi Santi Rama, and Muchlis Aulia. "Rancang Bangun Sistem Proteksi Kebocoran Pada Prototipe Mesin Reverse Osmosis Berbasis Mikrokontroler." Techno.Com 20, no. 2 (2021): 280–89. http://dx.doi.org/10.33633/tc.v20i2.4373.

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Penggunaan mesin reverse osmosis untuk memenuhi kebutuhan air layak minum dalam industri food and beverages adalah satu kesatuan yang tidak dapat dipisahkan. Salah satu permasalahan yang sering terjadi adalah kebocoran pada mesin tersebut. Pada penelitian ini dirancang sebuah alat rancang bangun sistem proteksi kebocoran prototipe mesin reverse osmosis berbasis mikrokontroler untuk mengurangi kerugian yang diakibatkan dari kebocoran. Proteksi kebocoran pada sistem menggunakan solenoid valve yang berfungsi mengatur buka atau tutup valve air. Sistem mendapat masukan dari sensor tekanan dan debit

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39

Ma, Xiu Hua. "Research on the Best Autofrettage Pressure of Ultra-High Pressure Valve Body." Key Engineering Materials 667 (October 2015): 524–29. http://dx.doi.org/10.4028/www.scientific.net/kem.667.524.

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This paper takes the ultra-high pressure (103.5MPa) valve body as the research object and adopts the finite element method to perform simulation analysis on the three bearing conditions involved with the valve body, i.e., autofrettage pressure, discharge and working pressure. The simulation shows identical results with the theoretical calculation. The relationship between the maximum equivalent stress and autofrettage pressure during the operation of the valve is obtained from the simulation results; therefore the best autofrettage pressure is determined. When determining the maximum value of

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40

Bauernschmitt, Robert, Philip Gabriel, Roman Gottardi, and Ralf Sodian. "Valve-in-valve transcatheter aortic valve replacement in a young patient with a suspected COVID-19 infection: a surgical dilemma in the era of the COVID-19 pandemic." European Journal of Cardio-Thoracic Surgery 58, no. 1 (2020): 188–89. http://dx.doi.org/10.1093/ejcts/ezaa193.

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Abstract We report on a case of a 57-year-old male patient, who underwent full root replacement in 2005 and now presented with high grade aortic insufficiency. On admission, the patient underwent a computed tomography scan which demonstrated interstitial infiltration in the left lung, highly suspicious for a COVID-19 infection that could not be confirmed by reverse transcription polymerase chain reaction (RT-PCR) testing. As there usually is a delay between infection and positive RT-PCR test results, the initial decision was to perform additional testing. However, the patient deteriorated quic

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41

Fairbairn, Timothy A., Christopher D. Steadman, Adam N. Mather, et al. "Assessment of valve haemodynamics, reverse ventricular remodelling and myocardial fibrosis following transcatheter aortic valve implantation compared to surgical aortic valve replacement: a cardiovascular magnetic resonance study." Heart 99, no. 16 (2013): 1185–91. http://dx.doi.org/10.1136/heartjnl-2013-303927.

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42

Liu, Rongsheng, Yingjie Gao, Yulin Yang, and Yanlong Liu. "Human Simulated Intelligent Control with Double-Direction Dead-Zone Compensation for Joint Motion Control of a Large-Sized Boom System." Journal of Control Science and Engineering 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/349186.

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Joint motion control of a 52-meter-long five-boom system driven by proportional hydraulic system is developed. It has been considered difficult due to strong nonlinearities and parametric uncertainties, the effect of which increases with the size of booms. A human simulated intelligent control scheme is developed to improve control performance by modifying control mode and control parameters. In addition, considering the negative effects caused by frequent and redundant reverse actions of the proportional valve, a double-direction compensation scheme is proposed to deal with the dead-zone nonl

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43

Regeer, Madelien V., Michel I. M. Versteegh, Nina Ajmone Marsan, et al. "Left ventricular reverse remodeling after aortic valve surgery for acute versus chronic aortic regurgitation." Echocardiography 33, no. 10 (2016): 1458–64. http://dx.doi.org/10.1111/echo.13295.

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44

Ito, Hisato. "Global left ventricular afterload matters in left ventricular reverse remodeling after aortic valve replacement." General Thoracic and Cardiovascular Surgery 69, no. 1 (2020): 178. http://dx.doi.org/10.1007/s11748-020-01357-8.

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45

Gavina, Cristina, Inês Falcão-Pires, João Rodrigues, et al. "Load independent impairment of reverse remodeling after valve replacement in hypertensive aortic stenosis patients." International Journal of Cardiology 170, no. 3 (2014): 324–30. http://dx.doi.org/10.1016/j.ijcard.2013.11.006.

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46

Scandura, Salvatore, Gian Paolo Ussia, Piera Capranzano, et al. "Left Cardiac Chambers Reverse Remodeling after Percutaneous Mitral Valve Repair with the MitraClip System." Journal of the American Society of Echocardiography 25, no. 10 (2012): 1099–105. http://dx.doi.org/10.1016/j.echo.2012.07.015.

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47

Izumi, Chisato, Takeshi Kitai, Teruyoshi Kume, et al. "Effect of Left Ventricular Reverse Remodeling on Long-term Outcomes After Aortic Valve Replacement." American Journal of Cardiology 124, no. 1 (2019): 105–12. http://dx.doi.org/10.1016/j.amjcard.2019.04.010.

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48

Tirén, J., L. Tenerz, and B. Hök. "A batch-fabricated non-reverse valve with cantilever beam manufactured by micromachining of silicon." Sensors and Actuators 18, no. 3-4 (1989): 389–96. http://dx.doi.org/10.1016/0250-6874(89)87044-1.

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49

Kusumanegara, Jayarasti, Muhammad Nuralim Mallapasi, Peter Kabo, Umar Usman, Deni Syamsuddin, and Muhammad Faruk. "Left atrial reverse remodeling improves sinus restoration following mitral valve replacement: A case report." International Journal of Surgery Case Reports 86 (September 2021): 106305. http://dx.doi.org/10.1016/j.ijscr.2021.106305.

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50

Rafique, Asim, Tarun Chakravarty, Niraj Doctor, Hasan Jilaihawi, and Raj Makkar. "TCT-896 Prognostic Value and Predictors Value of Reverse Ventricular Remodeling in Patients with Severe Aortic Stenosis Undergoing Transcatheter Aortic Valve Replacement." Journal of the American College of Cardiology 60, no. 17 (2012): B260—B261. http://dx.doi.org/10.1016/j.jacc.2012.08.942.

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