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J. Korean Ceram. Soc. > Volume 42(11); 2005 > Article
Journal of the Korean Ceramic Society 2005;42(11): 758.
doi: https://doi.org/10.4191/kcers.2005.42.11.758
압전식 비례제어밸브
윤소남, 김찬용, 함영복, 윤석진1, 이경우2
한국기계연구원 정보장비연구센터
1한국과학기술연구원 박막재료연구센터
2경원훼라이트공업(주) 부설연구소
Proportional Flow Control Valve with PZT Actuator
So-Nam Yun, Chan-Yong Kim, Young-Bog Ham, Seok-Jin Yoon1, Kyung-Woo Lee2
IT Machinery Research Center, Korea Institute of Machinery and Materials(KIMM)
1Thinfilm Materials Research Center, Korea Institute of Science and Technology(KIST)
2Research Institute, Kyungwon Ferrite Ind. Co. Ltd.
ABSTRACT
Gas valve for domestic use is used for flow control of LPG (Liquefied Petroleum Gas) or LNG (Liquefied Natural Gas) of which pressure is about $200;mmH_{2}O(fallingdotseq0.0196;[bar])$. Currently, two kinds of valves such as rotary type and button type are widely used in many applications. But, these valves have some problems that they are not controllable and reliable. Piezo actuation combined with modem microelectronics provides a reliable, quiet, low energy, infinitely adjustable gas valve. In this paper, gas valve using piezo actuator which are bimorph and a circle type was studied. Also, Prototype for gas valve was manufactured and characteristics of the prototype gas valve were analyzed.
Key words: PZT actuator, Gas valve, Bimorph actuator, Proportional control
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