| 摘要 |
<p>1,180,720. Fluid-flow indicators. SULZER BROS. Ltd. Oct.9, 1968 [Oct.23, 1967], No.47890/68. Heading G1R. In a liquid flow indicating device a float member 7 indicates the fluid-flow passing through the indicator by the position of member 7 in one or other of a number of stepped duct portions D 1 , D 2 of constant cross-section. The member 7 may be a ball or a cylindrical member or of some other suitable shape located in ducts of circular or non- circular cross-section. Grooves 9 are provided in the ends of connectors 3 which hold a transparent block 1, containing a number of ducts D 1 , D 2 , in position in a U-shaped metallic member 2.</p> |
