| 摘要 |
1,207,011. Measuring fluid-flow. ROSEMOUNT ENG. CO. June 6, 1968 [July 6, 1967], No.26978/68. Heading G1R. In a static pressure sensing device, such as for use on a Pitot tube used in aircraft a plurality of apertures 20 are provided in the wall 10, forming the static air pressure chamber 15 having a tube 12 leading to a remote pressure indicator, and are arranged at an angle relative to a line normal to an imaginary line, over the aperture, forming a continuation of the wall surface. The apertures may be arranged on axes diametrically opposite to one another, Fig.4 (not shown), or an axes arranged at equal angles on each side of a vertical plane, Fig.2. |
