Sinusoidal pressure generation chamber with filter characteristics
A filter characteristic, pressure chamber technology, applied in the measurement of fluid pressure, measuring devices, instruments, etc., can solve problems such as large distortion, affecting measurement and calibration accuracy, and deformation of the pressure wave shape of sinusoidal pressure chambers, to improve the degree of distortion and dynamic and static. Amplitude ratio, improving measurement characteristics and calibration range, and eliminating the effects of higher harmonics
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[0023] The sinusoidal pressure generating cavity with filtering characteristics according to the present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0024] like figure 1 As shown, the sinusoidal pressure generating cavity with filtering characteristics of the present invention is mainly composed of main and auxiliary structure sinusoidal pressure cavity 1, mechanical filter 6, sealing head 4, cavity support 2 and other components.
[0025] like Figures 2 to 4 As shown, the main and auxiliary structure sinusoidal pressure chamber 1 is hollow inside, one side is the auxiliary sinusoidal pressure chamber 11, and the other side is the main sinusoidal pressure chamber 12; There are mechanical filters 6. The top and bottom of the auxiliary sinusoidal pressure chamber 11 are respectively slotted to form a sensor installation position 9 and a sensor installation position 2 10 . The top and bottom of the main sin...
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