Self-adjusting hydraulic valve tappet

Details Self-adjusting hydraulic valve tappet Self-adjusting hydraulic valve tappet

1987-08-11

1988-11-08

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9056, F01L 124

Patent

active

047827998

ABSTRACT:
A self-adjusting hydraulic valve tappet arranged in a guide bore of a cylinder head of an internal combustion engine and being contacted at one end face of the valve tappet by a cam and bearing with a second end face against the end of a valve stem, the tappet comprising a cup-shaped housing comprised of a hollow cylindrical wall closed at one end by an end member against the outside of which the cam abuts and a cylindrical guide sleeve concentric with the cylindrical wall and surrounded by an external oil reservoir and in which the play compensating element is guided for longitudinal movement and abuts at its end against the valve stem characterized in that the valve tappet is comprised of three main structural elements of

REFERENCES:
patent: 4392462 (1983-07-01), Lesher
patent: 4579094 (1986-04-01), Doppling et al.
patent: 4632075 (1986-12-01), Camosso et al.
patent: 4635593 (1987-01-01), Kodama
patent: 4648360 (1987-03-01), Schaeffler
patent: 4686947 (1987-08-01), Speil
patent: 4688525 (1987-08-01), Nakamura
patent: 4688526 (1987-08-01), Buente et al.

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