ENGINE-COMPRESSOR Russian patent published in 1998 - IPC

FIELD: production of compressed air. SUBSTANCE: one or several cylinders of in-line four-stroke engine are converted for operation in compressor mode. Pistons 3 joined by connecting rods 4 with crankshaft 5, head 2 of cylinders with distribution shaft 6 driven from crankshaft of step-down gearing with transmission ratio 2:1 are housed in cylinder block 1. Valve 12 is installed in inlet duct of each cylinder converted to operation under compressor mode and two cams placed in opposition on distribution shaft 6 to control it are intended for increase of productivity and efficiency of engine-compressor. EFFECT: increased productivity and efficiency of engine-compressor. 3 dwg