Hydraulic tappet with automatic taking up of the clearance for e

Details Hydraulic tappet with automatic taking up of the clearance for e Hydraulic tappet with automatic taking up of the clearance for e

1982-08-10

1984-08-07

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9053, 123 9056, F01L 124

Patent

active

044637136

ABSTRACT:
Hydraulic tappet comprising a first and a second body shaped as a socket defining between them a chamber suited to be filled with a fluid coming from a source through an appropriate duct formed in the said socket bodies; along the said duct is arranged a ball for intercepting the fluid under pressure located in a corresponding conical seat formed in the bottom wall of the second socket and forming the outlet of the duct into the said chamber; in the bottom wall is formed an annular groove housing an elastic ring which partially occludes the said conical seat so as to allow a free movement of the ball inside the seat but not the exit of the ball from the seat.

REFERENCES:
patent: Re21802 (1941-05-01), Russell
patent: 2432762 (1947-12-01), Hoern
patent: 4279226 (1981-07-01), Lampredi et al.

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