Pistons for internal combustion engines
AssigneeWellworthy Limited
InventorDavid F. Fletcher-Jones
Life of this patent
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Abstract
Pistons are described comprising a crown having an associated piston ring groove belt and which crown is supported by gudgeon pin bosses connected thereto by two generally axially extending planar webs which are orientated transversely to the gudgeon pin axis and also supported by at least one subsidiary support rib associated with each planar web and pin boss and which support rib extends in a generally axial direction between the crown underside and pin boss and generally transversely to the planar web. The piston may be of either articulated or monometal construction.
Claims10
A piston for an internal combustion engine, the piston comprising a crown having an associated piston ring groove belt and which crown is supported by gudgeon pin bosses connected thereto by two generally axially extending planar webs which are orientated transversely to the gudgeon pin axis and also supported by two subsidiary support ribs associated with each planar web and pin boss and which support ribs lie on the radially outer faces of said planar webs and extend in a generally axial direction from the crown underside and generally transversely to said planar webs.
Dependencies are inferred from the claim text.