| 摘要 |
PURPOSE:To prevent the growth of whirling by means of a liquid balancer device in the case when there exists no unbalance in a body of revolution when the body turns at speed not more than primary critical speed, by integrally forming two liquid balancers that the speed of the movement of internal working liquids differs. CONSTITUTION:This liquid blancer device is constituted in such a manner that the balancer portions of up-and-down two layers are formed by a hollow ringed liquid passage 15, to which inside obstacles, such as, a shield plate 19, a convex portion, an orifice, etc. are mounted, a hollow ringed liquid passage 17, which inside is smoothed, and liquids 16, 18 entered into said both passages 15, 17. when a body of revolution turns at speed not more than primary critical speed in the case when there is no unbalance, the upper layer balancer portion functions as a typical liquid balancer portion by said composition while the lower layer blancer portion serves as a balancer portion, which is difficult to reach unbalance with the slow speed of growth that the lower layer balancer portion becomes unbalanced because the liquids are difficult to be fluidized. Thus, whirling is prevented because the lower layer balancer portion functions so as to deny unbalance by means of the upper layer balancer portion. |
