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    • 3. 发明申请
    • Scroll Compressor
    • 涡旋压缩机
    • US20080038133A1
    • 2008-02-14
    • US10560037
    • 2004-06-09
    • Kiyoshi SawaiNoboru IidaYoshiyuki FutagamiAkira HiwataTeruyuki Akazawa
    • Kiyoshi SawaiNoboru IidaYoshiyuki FutagamiAkira HiwataTeruyuki Akazawa
    • F04C18/02
    • F04C23/008F04C18/0215F04C27/005F04C29/023
    • A back pressure chamber 12 provided on a back surface of an orbiting scroll 5 is divided into an inner region 12a and an outer region 12b by an annular seal 11. A diameter d of the annular seal 11 is set 0.5 times or more of a diameter D of an orbiting mirror plate 5a. With this, plus thrust force can be applied to the orbiting scroll 5 irrespective of magnitude of a discharge pressure Pd applied to the inner region 12a. Therefore, it is possible to push the orbiting scroll 5 against the fixed scroll 4 only by back pressure of discharge pressure. A set pressure Pm of the outer region 12b is reduced to a value close to a suction pressure Ps, a pressure adjusting mechanism 20 is swiftly opened after a scroll compressor is started. With this, lubricant oil is supplied from the outer region 12b to the suction space 9 without a time lag.
    • 设置在绕动涡旋件5的后表面上的背压室12通过环形密封件11分成内部区域12a和外部区域12b。环形密封件11的直径d设定为0.5度以上 旋转镜板5a的直径D。 由此,无论施加到内部区域12a的排出压力Pd的大小如何,都可以向绕动涡旋件5施加加力推力。 因此,只有通过排出压力的反压力才能将绕动涡旋件5推靠在固定涡盘4上。 外部区域12b的设定压力Pm减小到接近吸入压力Ps的值,在涡旋式压缩机启动后,压力调节机构20迅速地打开。 由此,润滑油从外部区域12b被供给到吸入空间9而没有时间滞后。
    • 10. 发明授权
    • Scroll compressor
    • 涡旋压缩机
    • US07244114B2
    • 2007-07-17
    • US10542614
    • 2004-10-14
    • Akira HiwataKiyoshi SawaiTakashi MorimotoYoshiyuki FutagamiTsutomu Tsujimoto
    • Akira HiwataKiyoshi SawaiTakashi MorimotoYoshiyuki FutagamiTsutomu Tsujimoto
    • F03C2/00F04C18/00
    • F04C29/028F04C18/0215F04C18/0246F04C23/008F04C29/045
    • In a scroll compressor, an outer wall curve of a scroll lap of a fixed scroll and an inner wall curve of a scroll lap of an orbiting scroll are formed of involute curves whose basic circle radius is defined as “a”, an inner wall curve of the scroll lap of the fixed scroll and an outer wall curve of the scroll lap of the orbiting scroll are formed of involute curves whose basic circle radius is defined as “b”, and a value of a/b which is a ratio of the basic circle radius a and the basic circle radius b is set to a value exceeding 1.0 and less than 1.5. With this structure, a compression chamber formed on the side of the inner wall of the scroll lap of the orbiting scroll is compressed faster than a compression chamber formed on the side of the outer wall of the scroll lap of the orbiting scroll, and leakage loss during compression process can be reduced.
    • 在涡旋式压缩机中,涡旋盘的涡卷的外壁曲线和旋转涡卷的涡卷的内壁曲线由基本圆半径定义为“a”的渐开线曲线,内壁曲线 固定涡卷的涡卷和涡卷的涡卷的外壁曲线由基本圆半径定义为“b”的渐开线曲线形成,并且a / b的值为 基圆半径a和基圆半径b设定为超过1.0且小于1.5的值。 利用这种结构,形成在绕动涡卷的涡卷的内壁侧的压缩室比形成在绕动涡盘的涡卷的外壁侧的压缩室更快地被压缩,并且泄漏损失 在压缩过程中可以减少。