| 摘要 |
PURPOSE: A hydraulic bush for a propeller shaft is provided to fully damp impacts in both static situation and dynamic situation for being applicable in a propeller shaft and to omit an orifice for connecting a liquid chamber for considerably reducing manufacturing cost. CONSTITUTION: A hydraulic bush(30) for a propeller shaft comprises a inner pipe(31), a rubber(32), a middle ring(33), and an outer pipe. The inner pipe is coupled to the propeller shaft by penetration. The rubber is integrated along the outer surface of the inner pipe. The middle ring is inserted in the outer surface of the rubber and includes multiple liquid chambers which are opened toward the radius direction and connected with each other through fluid paths. The outer pipe is integrated at the outer surfaces of the rubber and the middling for sealing the liquid chambers.
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