| 摘要 |
<p>1,022,795. Fluid flowmeters. GROVE VALVE & REGULATOR CO. Sept. 1,1964 [Sept. 5, 1963], No. 35756/64. Heading G1R. In a fluid system flow interruption device in which a sphere 36 fed to a tube 38 through a hinged door 40 enters a pocket 34 in a ball 30 which ball 30 is then rotated to the position shown to enable the sphere 36 to enter the fluid flow and to record the rate of flow between a pair of detectors 48, 49 before the sphere 36 is deflected by a grid into the upwardly facing pocket 34 of the rotated ball 30 an annular resilient wiping member 70 is provided in wiping engagement with the surface of the ball 30 and around the fluid conduit opening.</p> |
