Gas from entering the spiral cavity suction tank by compression and exhaust through the exhaust orifice discharge cavity.
气体由吸气腔进入螺槽内，经压缩后通过排气孔口和排气腔排出。
2
Gas (working fluid) from entering the spiral cavity suction tank by compression and exhaust through the exhaust orifice discharge cavity.
气体(工质)由吸气腔进入螺槽内，经压缩后通过排气孔口和排气腔排出。
3
This paper introduces a new method for measuring the compression pressures of tank engine in the way of measuring instantaneous speed of crankshaft without disassembly.