Coil spring damper for valve assemblies of internal combustion e

Details Coil spring damper for valve assemblies of internal combustion e Coil spring damper for valve assemblies of internal combustion e

1982-07-15

1984-10-30

Koczo, Michael

Internal-combustion engines

Poppet valve operating mechanism

Spring

123188SC, F01L 100

Patent

active

044794614

ABSTRACT:
A vibration damper for a coil spring 16 includes a cylindrical shaped sleeve 18 which receives the coil spring 16 such that the outer portions 38 of the coils 36 slidably abut the inside surface of wall 20 of the sleeve 18 to provide frictional damping of the coil spring as it axially compresses and elongates.

REFERENCES:
patent: 1191658 (1968-07-01), Brown
patent: 1331826 (1920-02-01), Shepherd
patent: 1928678 (1933-10-01), Sjolander

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