Method for designing an oil ring

Details Method for designing an oil ring Method for designing an oil ring

1994-12-02

1997-04-15

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

298883, 2988807, B23P 1500

Patent

active

056197950

ABSTRACT:
An oil ring set has an expander between upper and bottom side rails for a piston of a reciprocal internal combustion engine. The oil ring set has dimensions determined so as to have a thickness satisfying a first relationship between a radial thickness and tension determined from a coefficient for an oil film thickness and a standard parameter representative of a predetermined thickness, a second relationship between a radial thickness and tension determined from a coefficient for an oil ring propensity to follow deformation and its pattern of the cylinder wall and a standard parameter representative of a predetermined amount of oil consumption, and a third relationship between a radial thickness and tension determined based on a coefficient representative of permanence of oil ring springiness against swelling and a standard parameter of the coefficient of springiness permanence.

REFERENCES:
patent: 4173878 (1979-11-01), Nemets et al.
patent: 5016524 (1991-05-01), Kawai et al.
patent: 5433001 (1995-07-01), Tsuchiya et al.

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