LEVER-GEAR MECHANISM OF A GAS MEAN-PRESSURE INDICATOR

The reading of this indicator is the gas mean pressure in an engine cylinder during a complete cycle of the engine. The housing 1 of the instrument is connected to the space in which the pressure is to be measured by connection 2. The housing contains cylinder 3 with plunger 4. The pressure of the gas moves plunger 4 downward, compressing spring 5. Through a four-bar linkwork, motion of plunger 4 …