Valve Assembly
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United States of America Patent
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N/A
Issued Date -
Oct 18, 2007
app pub date -
Apr 13, 2007
filing date -
Apr 14, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
There is provided a valve assembly including: a valve attached to a cylinder head in a movable manner along its axial line direction so as to selectively fluidly connect or close between a combustion chamber and a gas line; a plate-like holding member provided at the valve in a relatively immovable manner along the axial line direction; and a coil spring externally inserted around the valve in a state where its proximal end is directly or indirectly engaged to an external surface of the cylinder head, the coil spring being configured so that its distal end has a diameter smaller than that of the proximal end, wherein the holding member has an engaging surface facing one side along the axial line direction to hold the distal end of the coil spring.
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