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    • 2. 发明授权
    • Ball bearing piston and liner
    • 滚珠轴承活塞和内衬
    • US5893318A
    • 1999-04-13
    • US626802
    • 1996-04-03
    • Chi ChengAkimi C. Cheng
    • Chi ChengAkimi C. Cheng
    • F16J1/02
    • F16J1/02
    • This invention relates to a piston with skirt being formed by four sets of bearing grooves as the main structure, and a cylinder liner with four ball bearing rolling tracks. The bearing groove is in doughnut shape and has a circular cross-section to hold the ball bearing in circulation during the reciprocating motion of the piston. Two lines of ball bearings on each side of a piston pin are in line contact to the bearing tracks of the cylinder liner and share the piston thrust load. Lubrication of the ball bearings is ensured by oil slots through the piston head under the oil ring groove to the exposed ball bearings in rolling contact and to the top of the bearing groove.
    • 本发明涉及一种具有裙部的活塞,由四组轴承槽作为主结构,以及具有四个滚珠轴承滚动轨道的气缸套。 轴承槽处于环形状并且具有圆形横截面以在活塞的往复运动期间保持滚珠轴承循环。 在活塞销的每一侧上的两排滚珠轴承与气缸套的轴承轨道线接触,并分担活塞推力载荷。 滚珠轴承的润滑通过油槽通过油环槽下方的活塞头与滚动接触的暴露的滚珠轴承和轴承槽的顶部来确保。
    • 3. 发明授权
    • Roller bearing piston
    • 滚子轴承活塞
    • US5615600A
    • 1997-04-01
    • US516236
    • 1995-08-17
    • Chi ChengAkimi C. Cheng
    • Chi ChengAkimi C. Cheng
    • F16J1/02
    • F16J1/02
    • This invention relates to a piston with its skirt being cut to locate four sets of bearing pads and circulating roller bearings. Each pad has been milled to have a doughnut shaped groove with half of a roller cross-section to hold the roller bearing in circulation during the piston reciprocating motion. Two lines of roller bearings on each side of a piston pin are in contact with the cylinder liner and share the piston thrust load. Lubrication of the roller bearings is ensured by oil slots through the piston skirt under the oil ring groove to the top of the grooves of the bearing pads and to the exposed roller bearings in rolling contact.
    • 本发明涉及一种其裙部被切割以定位四组轴承瓦块和循环滚柱轴承的活塞。 每个垫已经被研磨成具有一半的滚子横截面的环形槽,以在活塞往复运动期间保持滚子轴承循环。 活塞销两侧的两排滚子轴承与气缸套接触并共用活塞推力载荷。 滚动轴承的润滑通过油槽通过油环槽下方的活塞裙部到轴承瓦槽的顶部和滚动接触的外露滚柱轴承来确保。