| 摘要 |
<p>1480803 Valves HOERBIGER VENTILWERKE AG 17 Oct 1974 [25 Oct 1973] 45062/74 Heading F2V In a pneumatic pressure amplifier for converting variations of an inlet pressure proportionally into amplified variations of an outlet pressure, a valve 6 is movable by a diaphragm 7 in accordance with the inlet pressure, a restriction 14 is provided in the inlet passage and a vent 15 is provided downstream of the valve 6. The spring force acting on diaphragm 7 is adjustable via knob 11.</p> |
