| 摘要 |
1,167, 705. Pneumatic single-stroke apparatus. DAIMLER-BENZ A.G. March 8, 1968 [March 11, 1967], No.11469/68. Heading F1P. A vacuum operated double-acting actuator 3 Fig.2 comprise two flexible diaphragms 10, 11 secured at their peripheries to peripheral grooves 8, 9 on opposite sides of an intermediate rigid imperforated support member 4 to form chambers 15, 15a one or other of which is connected through a bore 13 in unions 14, 14a Fig.1 to vacuum whilst the other chamber is connected through its associated union to atmosphere and the diaphragms 10, 11 are mechanically connected together by a bow frame 18 to which is connected the actuator rod 16. A band 19.around support member 4 serves to mount the actuator on a motor vehicle body and the intake manifold of the engine thereof serves on the source of vacuum. |
