首页>
外国专利>
The liquid level detection device being the liquid level detection device which detects the liquid level
The liquid level detection device being the liquid level detection device which detects the liquid level
展开▼
机译:液位检测装置是检测液位的液位检测装置
展开▼
页面导航
摘要
著录项
相似文献
摘要
PROBLEM TO BE SOLVED: To provide a liquid level detecting device can accurately detect a liquid level of viscous liquid, using a simple constitution.;SOLUTION: The liquid level detecting device, detecting a liquid level of a carrier liquid (fluid) housed in a carrier tank (vessel) CY, includes a compressor (injecting means) 38 blowing a gas to a liquid level of carrier liquid, from above at an predetermined incident angle and a piezo-electric element (pressure detecting means) 39 detecting a pressure change due to gas flow generating by air (gas) reflected at the liquid level of the carrier liquid. A controller (determining means) 41 is also provided that determines such that the liquid level of the carrier liquid is at a predetermined position, when the voltage output value of the piezo-electric element 39 is not smaller than the threshold.;COPYRIGHT: (C)2010,JPO&INPIT
展开▼