Mechanical valve tappet

Details Mechanical valve tappet Mechanical valve tappet

1993-12-01

1994-11-22

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9055, 123 9048, F01L 114

Patent

active

053658973

ABSTRACT:
The novel mechanical valve tappet of the invention arranged in a guide bore of a cylinder head of an internal combustion engine is comprised of a cup-shaped housing with a hollow cylindrical wall (1) closed at one end by a bottom (2) which is contacted exteriorly by a control cam while a first flat end face of an adjusting element (7) bears against an inner surface of the bottom (2), a second flat end face of the adjusting element (7) which is parallel to the said first flat end face is in contact with an end of a valve stem of an engine valve, and the adjusting element (7) has a cylindrical peripheral surface and is retained by force engagement in a bore (6) of a hub (3) fixed to the said inner surface of the bottom (2), characterized in that an element (9, 11, 15, 16, 20, 21, 22, 26) which is resiliently biased with respect to the adjusting element (7) and the hub (3) is arranged between the hub (3) and the adjusting element (7).

REFERENCES:
patent: 4373477 (1983-02-01), Buente et al.
patent: 4624225 (1986-11-01), Kowal
patent: 4648360 (1987-03-01), Schaeffler
patent: 4694790 (1987-09-01), Kowal
patent: 4709668 (1987-12-01), Klug et al.
patent: 4745889 (1988-05-01), Speil
patent: 4951619 (1990-08-01), Schaeffler
patent: 5029560 (1991-07-01), Watanabe
patent: 5159907 (1992-11-01), Budde

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