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    • 23. 发明公开
    • 켤레 쌍의 상호 맞물림 로터
    • 螺旋桨转子对应
    • KR1020000047895A
    • 2000-07-25
    • KR1019990054726
    • 1999-12-03
    • 캐리어 코포레이션
    • 쿠마르,케샤바비.부시,제임스더블유.
    • F01C1/08
    • F04C18/084Y10T74/19953
    • PURPOSE: A conjugate pair of screw rotors is provided to reduce leakage area at a contour of the screw rotor and reduce noise/vibration of a compressor while changing the clearance distribution among adjacent sites utilizing a nonlinear distribution. CONSTITUTION: A conjugate pair of screw rotors(14, 16) comprising a plurality of lobes having helical crests(P, U, M) and grooves(R, O, K) formed therebetween, the rotors(14, 16) arranged to be suitable for rotating with respect to a parallel axis in an operational space of a screw rotor machine(10), the rotors each has a tip circle, a pitch circle, and a root circle, one of the pair is a female rotor(14) of which main portion of each lobe is positioned inside of the pitch circle, the other of the pair is a male rotor(16) of which main portion of each lobe is positioned inside the pitch circle, the helical crest of one of rotors for forming a continuous sealing line between rotors being formed along the groove of the other rotor, the rotors(14, 16) being screwed with each other via a contact band positioned at least adjacent to the pitch circle, the rotors being rotated at a regular pitch circle speed, the rotors having a running clearance formed therebetween, the running clearance being extended from a position at least adjacent to the pitch circle of one of the pair to a position more adjacent to the tip circle, the running clearance being extended from a position at least adjacent to the pitch circle of the other of the pair to a position more adjacent to the root circle.
    • 目的:提供一对螺旋转子的共轭对,以减少螺杆转子轮廓的泄漏面积,并减少压缩机的噪音/振动,同时利用非线性分布改变相邻位置之间的间隙分布。 构成:包括在其间形成有多个具有螺旋形顶峰(P,U,M)和凹槽(R,O,K)的凸角的螺旋转子(14,16)的共轭对,所述转子(14,16)被布置为 适于在螺杆转子机械(10)的操作空间中相对于平行轴线旋转,所述转子各自具有尖端圆形,节圆形和根圆形,所述一对中的一个为阴转子(14) 每个叶片的主要部分位于节圆的内侧,另一个是一个阳转子(16),每个叶片的主要部分位于节圆内部,其中一个转子的螺旋形顶部形成 沿着另一转子的槽形成转子之间的连续密封线,所述转子(14,16)经由至少邻近所述节圆定位的接触带彼此螺纹连接,所述转子以规则节圆 速度,转子之间形成有行驶间隙,行驶间隙 从至少邻近一对的节圆的位置延伸到与尖端圆相邻的位置,运行间隙从至少相邻于该对中的另一个的节圆的位置延伸到 位置更靠近根圆。