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活塞式压缩机之冷媒气体吸入构造

申请公布号:TW279483

申请号:TW084202045

申请日期:1993.12.08

申请公布日期:1996.06.21

申请人:
丰田自动织机制作所股份有限公司

发明人:犬饲均;北山弘己;伊藤浩一;藤井俊郎

分类号:F04C21/00

主分类号:F04C21/00

代理人:林敏生 台北巿南京东路二段一二五号七楼伟成第一大楼

地址:日本

摘要:本创作乃有关:适用于在被配列于旋转轴周面之复数之汽缸内径内收容活塞,同时与旋转轴之旋转连动,将活塞作往复运动之车辆空调装置用之活塞式压缩机之冷媒气体吸入构造者。本创作之目的乃在:抑制转阀之推拔外周面与收容其之收容室之推拔内周面间之旋转滑动摩擦,以减转压缩机之驱动所需之动力之损失者。本创作之特征乃在:将引导冷媒气体至由活塞15被区划在汽缸内径13内之操动室Ra所用之吸入通路29,形成在转阀27内。在收容前述转阀27之收容室1a之推拔内周面S,亦形成:连通吸入行程中之操动室Ra与前述转阀27之吸入通路29之出口29b之导通路1b。进一步,将前述导通路1b之汽缸内径13侧出口1c之位置,设定在前述活塞15移动至上死点以前,由该活塞15之外周面15a所闭锁之位置。成为被封闭空间之导通路1b内之压力,将被保持在吸入压力与吐出压力之中间压力,而将抗拒此压力,对转阀27赋与弹拨力之弹簧35之弹性力,设定为较弱之状态。(参阅图1)

主权项:图示简单说明:[图1]表示将本创作加以具体化之实施例之活塞压缩机之要部之断面图。[图2]表示两头活塞式压缩机全体之纵断面图。[图3]图2之A-A线断面图。[图4]转阀之斜视图。[图5]表示转阀之旋转角与汽缸内径内操动室之压力之

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