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发明名称
强制性密封油环
摘要
本发明涉及活塞环,尤其是内燃机和气压机中活塞上安装的油环,是一种活塞环中的一道强制性密封油环。该油环能消除环口和环轴向跳动引起的泄漏和窜油,环外圆面与缸套接触面积小,可减少摩擦力,能节省燃油和润滑油,延长活塞环的使用寿命。其特征是,由基环、刮片组合成,基环内圆周表面设有弹簧胀圈,形成一道强制性密封油环。
申请公布号
CN1102210C
申请公布日期
2003.02.26
申请号
CN97109886.7
申请日期
1997.05.23
申请人
宇秀明
发明人
宇秀明
分类号
F16J9/20;F16J9/06
主分类号
F16J9/20
代理机构
代理人
主权项
1、一种强制性密封油环,包括一个设有开口的基环[3],基环[3]内圆周表面里设有弹簧胀圈[4],基环[3]的外圆周表面上部具有径向向外凸出的环形凸檐[6],其特征在于:基环[3]上表面内圆周处设有轴向向上凸出的环形凸台[2],在凸台[2]的外圆周表面外侧设有1片或2片刮片[1],所述刮片[1]的各个开口和基环[3]的开口都相互错开,在基环[3]上设有若干个泄油孔[5]。
地址
057550河北省肥乡县张达乡北杜齐村
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