| 摘要 |
<p>1,240,364. Feeding slurry. KURITAWATER INDUSTRIES Ltd. 14 May, 1969 [30 May, 1968], No. 24570/69. Heading B8S. [Also in Division F2] A valve for slurries comprises a closure member 3 on a spindle 4, continually rotatable by a motor 8 and pulley 6 and located within a sleeve 11 movable axially by a motor 17 via a worm 16 and wheel 15, acting through a screw-thread 14 to vary the aperture between the closure member and a seat 2. The gear-wheel 15 can be connected to the motor 8 by a clutch to enable it both to rotate the member 3 and adjust the opening. The sleeve 11 can be moved manually, or by a rack and pinion, in which case an indicator can be attached to the rack.</p> |
