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    • 23. 发明授权
    • Scroll type fluid machine having a thin plate for each scroll
    • 滚动式流体机械,每个滚动体都有一个薄板
    • US5727934A
    • 1998-03-17
    • US723922
    • 1996-10-01
    • Masumi SekitaMakoto TakeuchiYasuharu MaruiwaTetsuo ShigeokaTetsuzo UkaiMikihiko Ishii
    • Masumi SekitaMakoto TakeuchiYasuharu MaruiwaTetsuo ShigeokaTetsuzo UkaiMikihiko Ishii
    • F04C18/02F01C1/04F01C19/00
    • F04C18/0253F04C2240/801
    • A scroll fluid machine has a stationary scroll having a first end plate and a first spiral wrap projecting from one side of the first end plate. The first spiral wrap has a tip end. A swivel scroll has a second end plate and a second spiral wrap that projects from the one side of the second end plate. The second spiral wrap has a second end tip, and the first and second spiral wraps are engaged with each other. A first thin steel plate is provided on one side of the end plate between the first end plate and the second tip end. A first thin steel plate has a surface side that faces the second tip end. Further, a second thin steel plate is on one side of the second end plate between the second end plate and the first tip end. The second thin steel plate has a surface side that faces the first tip end. Both of the first and second thin steel plates are provided with conformable layers on the surfaces facing the tip ends. The conformable layers comprise a material that is softer than the first and second tip ends so that during operation a gap between the center portion of the tip ends and the opposite scroll end plate does not become too large. A leakage passage is provided in at least one of the thin plates so as to interconnect a central compression chamber formed by the spiral wraps and the outer circumferential chambers.
    • 涡旋流体机具有固定涡旋盘,其具有从第一端板的一侧突出的第一端板和第一螺旋形涡卷。 第一个螺旋包装有一个尖端。 旋转涡旋件具有从第二端板的一侧突出的第二端板和第二螺旋形涡卷。 第二螺旋卷绕件具有第二端部末端,并且第一和第二螺旋形卷绕件彼此接合。 在第一端板和第二顶端之间的端板的一侧上设置有第一薄钢板。 第一薄钢板具有面向第二顶端的表面侧。 此外,第二薄钢板位于第二端板的位于第二端板与第一顶端之间的一侧。 第二薄钢板具有面向第一末端的表面侧。 第一和第二薄钢板都在面向顶端的表面上设置有适形层。 适形层包括比第一和第二末端更柔软的材料,使得在操作期间,尖端的中心部分和相对的涡卷端板之间的间隙不会变得太大。 在至少一个薄板上设置泄漏通道,以使由螺旋形涡卷形成的中心压缩室与外周室相互连接。