Hydraulic tappet for controlling an internal combustion engine v

Details Hydraulic tappet for controlling an internal combustion engine v Hydraulic tappet for controlling an internal combustion engine v

1985-03-26

1986-09-09

Feinberg, Craig R.

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9058, F01L 124

Patent

active

046102256

ABSTRACT:
There is disclosed a hydraulic tappet comprising a bucket element which slides inside a seat and houses a second bucket element that slides over an annular member integral with the first bucket element in such a manner as to form a first chamber. A deformable annular element is arranged around the second bucket element in such a manner so as to form a second fluid tight chamber connected hydraulically to the first chamber. The chambers are filled with drive fluid and the passage of the fluid from the second chamber to the first chamber is controlled by an on-off member.

REFERENCES:
patent: 4373477 (1983-02-01), Buente et al.

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