Relative combination of a cylinder and a seal ring for internal

Details Relative combination of a cylinder and a seal ring for internal Relative combination of a cylinder and a seal ring for internal

1976-05-11

1978-03-21

Nilson, Robert G.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

92169, 277235R, 277DIG6, F16J 102

Patent

active

040797201

ABSTRACT:
Improved wear characteristics of a seal ring for a piston and a mating cylinder are obtained by using selected materials for the seal ring and cylinder. The cylinder is characterized by having a surface coating of Ni or Ni alloy containing 3% to 8% of SiC having a particle size of from 0.5.mu. to 5.mu., or by having a base member of Al or Al alloy containing 13% to 23% of Si having a particle size of 5.mu. to 8.mu.. The seal ring is characterized by having a Ni or Ni alloy containing 2% to 10% of SiC having a particle size of 0.5.mu. to 5.mu..

REFERENCES:
patent: 3061525 (1962-10-01), Grazen
patent: 3727524 (1971-08-01), Nishiyama
patent: 3731941 (1973-05-01), Mori
patent: 3808955 (1974-05-01), Hamada

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