CROSS HEAD BEARING ARRANGEMENT
PROBLEM TO BE SOLVED: To provide a cross head bearing arrangement of cross head type diesel engine which broadly spreads oil on a bearing surface without damaging a hydrodynamic oil film forming capacity of the bearing surface by making a shallow groove in oscillating direction of a bearing and furt...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a cross head bearing arrangement of cross head type diesel engine which broadly spreads oil on a bearing surface without damaging a hydrodynamic oil film forming capacity of the bearing surface by making a shallow groove in oscillating direction of a bearing and furthermore does not increase a manufacturing cost in the cross head bearing arrangement which is provided with an oil groove of a cross head bearing which is formed by laminating a bearing alloy comprising a white metal and an aluminum alloy on a bearing back plate and which is subjected to a pressure of lateral load. SOLUTION: In the cross head bearing arrangement which is provided with a cross head pin which is subjected to a pressure of reciprocating force of a piston and the cross head bearing which is formed by laminating the bearing alloy on the bearing back plate and which is subjected to a pressure of lateral load through the cross head pin, the cross head bearing is provided with a circumferential groove into which an oil supply hole slotted in axial direction of an engine is formed, a plurality of axial grooves which communicate with the circumferential groove and are formed in direction perpendicular to the circumferential groove and many streaky shallow grooves which are arranged on the bearing alloy between the axial grooves in parallel to the circumferential groove at constant interval and which are sufficiently shallower than the circumferential groove and the axial groove. COPYRIGHT: (C)2009,JPO&INPIT |
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