Cup-shaped valve tappet

Details Cup-shaped valve tappet Cup-shaped valve tappet

1998-06-04

1999-02-16

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9051, F01L 124

Patent

active

058709851

ABSTRACT:
A cup-shaped valve tappet (1) for activating a gas exchange valve is provided. The tappet includes a hollow cylinder (2) and a base (3). In the interior of the cup-shaped valve tappet (1), a funnel (6) is situated which has a guide casing (9) for accommodation of a play compensation element (10). The guide casing (9) is overlapped by an internal shell (21) provided with an axial channel (23). In order to prevent an emptying of the annular oil storage space (18) surrounding the guide casing (9) or the inner shell (21), a diverting element (19) is provided which consists of a disk-like section (20) and an outer shell which extends from the disk-like section (20). This outer shell (22) forms a hollow space (25) with the hollow cylinder (2) which is connected to a bore hole (17) and from out of which an overflow opening (26) leads into the annular oil storage space (18).

REFERENCES:
patent: 4876997 (1989-10-01), Zorn et al.
patent: 4951619 (1990-08-01), Schaeffler
patent: 5379730 (1995-01-01), Schaeffler

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