Vibration dampener for internal combustion engines

Details Vibration dampener for internal combustion engines Vibration dampener for internal combustion engines

1998-08-26

2000-04-04

Wolfe, Willis R.

Internal-combustion engines

Vibration compensating device

1231974, 384430, F02B 7506

Patent

active

060448180

ABSTRACT:
A vibration absorbing member is disposed within an annular recess on the side of the connecting rod/bearing cap assembly or alternatively/additionally disposed between the crankshaft main bearing and crank shaft main bearing journal. A vibration absorbing member is preferably comprised of two pieces to fit in a recessed portion of the connecting rod and a recessed portion of the bearing cap to facilitate easy installation. The vibration absorbing member absorbs vibrations between the connecting rod/bearing cap assembly and the crank shaft. Similarly, the vibration absorbing member absorbs vibration between the crank shaft and the engine block when disposed between the crankshaft and the crankshaft main bearing. In conventional single or multiple in-line cylinder engines the vibration absorbing member is disposed on both sides of the connecting rod and bearing cap assembly. In V-type engines with two adjacent connecting rods, one of the connecting rods has a single vibration absorbing member disposed on the side contacting the crankshaft. The other connecting rod has a vibration absorbing member disposed on both sides of the connecting rod and bearing cap assembly. Thus, vibrations are isolated between the two adjacent connecting rods as well as between the connecting rods and the crank shaft. The vibration absorbing material is preferably made of an oil resistant elastomeric rubber material.

REFERENCES:
patent: 538722 (1895-05-01), Biedermann
patent: 1367478 (1921-02-01), Hapgood
patent: 2064086 (1936-12-01), Short et al.
patent: 3188152 (1965-06-01), Miller
patent: 3390925 (1968-07-01), Fangman
patent: 4114961 (1978-09-01), Pithie
patent: 4461585 (1984-07-01), Mahrus et al.
patent: 4617884 (1986-10-01), Allen
patent: 4926810 (1990-05-01), Diehl et al.
patent: 5517957 (1996-05-01), Wagner et al.

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