20250172448. Liqu (Beijing Const Instruments Technology .)
Liquid Pressure Calibration Apparatus
Abstract: a liquid pressure calibration apparatus is disclosed, wherein a first liquid path () and a second liquid path () with different pressure output ranges are arranged in parallel between a liquid pressure inlet port (a) and a liquid pressure output port (b) of the liquid pressure calibration apparatus, and the pressure output range of the first liquid path () is continuous with the pressure output range of the second liquid path (). a target pressure to be output is compared with a switching pressure, and the first liquid path () or the second liquid path () is selected to supply pressure to the liquid pressure output port (b) based on the comparison result, and the target pressure is output.
Inventor(s): Hongjun Gao, Fengshan Dong, Qing Liu, Xinan Su, Chunying Zhang, Wei Ji, Gang Wang, Xiaoxia Cai, Xiaohui Jiang, Chunhui Wan
CPC Classification: G01L27/005 (MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE (weighing ))
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- Patent Applications
- Beijing Const Instruments Technology Inc.
- CPC G01L27/005
- Hongjun Gao of Beijing CN
- Fengshan Dong of Beijing CN
- Qing Liu of Beijing CN
- Xinan Su of Beijing CN
- Chunying Zhang of Beijing CN
- Wei Ji of Beijing CN
- Gang Wang of Beijing CN
- Xiaoxia Cai of Beijing CN
- Xiaohui Jiang of Beijing CN
- Chunhui Wan of Beijing CN