| 摘要 |
The hydraulic rotary multiple transmission lead-through for two components incorporates an axially movable stepped bushing (7) in a stepped hole (6) in the first component (4). The end surface of the bushing facing the second component (5) rests against a compensating body (11). Between the bushing, compensating body and second component are axial seals The first axial seal consists of a pair of surfaces with a spherical and hollow-spherical surface. The second axial seal consists of a pair of surfaces with parallel-plane surfaces. A pressure compartment (8,9,10)axially formed in front of each step contains a fluid-duct (1a,2a,3a) of the first component, and a through-duct (13,15,17) in the bushing and attached to a through-duct (14,16,18) in the compensating body connected to a connecting duct (1b,2b,3b)in the second component.
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