REPAIR METHOD OF BLOCK OF INTERNAL COMBUSTION ENGINE CYLINDERS Russian patent published in 2015 - IPC B23P6/02 

FIELD: engines and pumps.

SUBSTANCE: invention relates to repair of framework structures of units containing components with cracks, namely to repair of a block of internal combustion engine (ICE) cylinders. According to the proposed method, the block under repair is arranged horizontally with a patch downwards; a tube is installed in holes made in crack apexes, through which epoxy composition is delivered under air pressure to closed space formed with the above patch and an external wall of the block, and a drain tube for air removal, which is crimped at appearance of the epoxy composition on its end; the above composition is exposed under pressure for sealing of the crack and the whole weld; then, the tube for supply of the epoxy composition is crimped, and a composition curing unit is dried; after that, the above tubes are sawn down at the base flush with the wall of the block being repaired.

EFFECT: invention allows increasing service life of a block of ICE cylinders after repair, improving its operating reliability, reducing labour costs and repair time of the cylinder block, as well as allows restoring blocks of ICE cylinders of automobiles, agricultural, construction and road machines.

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