FIELD: engines and pumps.
SUBSTANCE: invention relates to internal combustion engines, particularly, to crank rod-free piston engines. Crank rod-free piston engine includes housing with inline and/or opposite arranged cylinders, pistons with rods and reciprocal motion into rotating motion conversion mechanism in form of toggle mounted flywheel, coupling link connected with toggle by means of slide block, pistons rods associated with coupling links, wherein engine is equipped with additional group of pistons with crank, connected with first set of pistons by means of toggle mounted toothed gearing, wherein reciprocal motion into rotating motion conversion mechanisms toggles are mounted symmetrically, pistons groups gudgeons using slide blocks contact with coupling links is made at equal distance from slides.
EFFECT: technical result is providing uniform load on coupling link, prevention of vibration and increased wear.
1 cl, 3 dwg
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