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发明名称
无渗漏式内燃机活塞环
摘要
1.发明目的:本设计为解决现有内燃机之活塞环在活塞环槽内造成渗漏(Blow-by)现象及活塞环开口漏气之缺点。2.本发明之特点:内燃机现有活塞环在活塞环槽中上下及内侧均有间隙,故活塞上下运动时,汽缸内之气体经由此间隙而渗漏到活塞下方,而致使机油寿命缩短及污染。本设计是将活塞环以薄金属圆环板压制成有摺边之杯形环(锥形环),杯形环之下端与活塞合铸成一体(如图2-1)。环之摺边供产生张缩作用。摺边为环之数处或全部,再将摺边处研磨至摺线内底处,则摺边上端呈锯齿形而与汽缸全面接触(如图1-3.4)密封。故可消除经活塞环的环槽之渗漏现象,且无环端开口漏气之处,故可获最完全之密封效果。3.本发明的效益:延长机油寿命,减少污染,节省燃料,减少机油消耗量。
申请公布号
TW158638
申请公布日期
1991.05.21
申请号
TW079110793
申请日期
1990.12.22
申请人
陈光东
发明人
陈光东
分类号
F02F5/00
主分类号
F02F5/00
代理机构
代理人
主权项
无渗漏式活塞环请求专利部份为:以薄金属圆环板压成具有摺边4─8处或全部的杯形环(锥形环)形,将其环下端铸入活塞头内部,其上端研磨至摺边内底面处,则摺边处上端成锯齿状,以铝齿状线方式与汽缸壁接触密封为其特征。无摺边处以杯形边(锥面边纤)接触密封。摺边处为供环缘张缩之用。
地址
台北县三重巿中正北路一六三号
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