POWER UNIT WITH HOLLOW MEMBERS OF STRUCTURE Russian patent published in 1999 - IPC

FIELD: automotive industry; power tools; stationary and other plants with piston internal combustion engines. SUBSTANCE: it is known that operation of some piston internal combustion engines can be considerably improved by making intake and exhaust lines of definite length. Lengths of chosen (adjusted pipelines) are considerable, and that it why pipelines of optimum length cannot be laid often in engine compartment of power plant and used. According to proposed to proposed invention, adjusted pipelines falling beyond limits of engine compartment can be arranged on power plant as follows: part of pipelines difficult to replace in engine compartment is placed in hollow members of power plant, such as hollow frame, bumper, vehicle fenders, handle of power saw. EFFECT: improved operation. 18 cl, 2 dwg