METHOD FOR RECONDITIONING INTERNAL COMBUSTION ENGINE CYLINDER HEADS MADE FROM HIGH-STRENGTH CAST IRON WITH GLOBULAR GRAPHITE Russian patent published in 1994 - IPC

Abstract RU 2011501 C1

FIELD: mechanical engineering. SUBSTANCE: method involves removing access plugs from cylinder heads, annealing in a furnace at a limited temperature (520 C), shot-blasting internal cavity with a jet of intact cast iron shot 1.5-3.5 mm in size at the rate of not less than 15 m/s through holes, then washing said cavity. EFFECT: higher efficiency.

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RU 2 011 501 C1

Authors

Arazov V.P.

Sal'Nikov M.A.

Dates

1994-04-30—Published

1991-12-23—Filed