Bschichteter Kolbenring und Herstellungsverfahren hierfür
摘要
A coated piston ring and method of manufacture for internal combustion engines and compressors. The piston ring having a outer peripheral surface that is coated with a thin substantially final finish spray wear resistant coating for contacting the cylinder wall. The material coating is deposited by high velocity oxygen fuel spray apparatus and a sharp bottom edge is lapped thereon for contacting the cylinder wall of the apparatus. The method of manufacturing comprising rotating a plurality of piston rings about a central axis while the high velocity oxygen fuel gun sprays molten coating material thereon. The molten coating material forming a mechanical interlock with the ring blank to produce a substantially final finish spray coating on the periphery of the piston rings.
申请公布号
DE19720627(A1)
申请公布日期
1997.11.20
申请号
DE1997120627
申请日期
1997.05.16
申请人
CUMMINS ENGINE CO., INC., COLUMBUS, IND., US
发明人
RASTEGAR, FREIDOON, CHARLESTON, S.C., US;WINTER, JOHN S., SUMMERVILLE, S.C., US;RICHARDSON, DANA E., CHARLESTON, S.C., US