Valve train apparatus

Details Valve train apparatus Valve train apparatus

1974-12-23

1976-03-09

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 32F, 123 32JT, 123 9041, 123 902, F01L 118

Patent

active

039424901

ABSTRACT:
Valve train apparatus for an internal combustion engine having two poppet-type intake valves per cylinder. The valve train include a generally conventional rocker arm actuated either by a pushrod or an overhead camshaft. One end of the rocker arm actuates a first intake valve. A second rocker arm is pivotally mounted at one end to the cylinder head and contacts the first intake valve at its opposite end. An intermediate location on the second rocker arm contacts a second intake valve. The first intake valve engages a flanged element at the end of the valve stem opposite the valve head. The first rocker arm contacts the the top surface of the flanged element while the second rocker arm contacts a bottom surface of the flanged element. This construction permits flexibility in the positioning of the second valve. The second intake valve and its valve train apparatus can be rotated in a plane about the axis of the first intake valve to obtain optimum positioning of the second intake valve.

REFERENCES:
patent: 2700966 (1955-02-01), Hofer
patent: 3884199 (1975-05-01), Irimajiri

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