| 摘要 |
A viscous coupling has first planar plates which are held and spaced in a housing of the viscous coupling. Second slotted plates, each received and movably held between two first plates, are also positioned in the housing. The second plates (24) include slots (36) which start from the outer circumferential face (32) of the plate (24) and extend over a limited part of the radial extension of the annular plate (24). The slots (36) are each defined by edges (38, 39) which protrude from a planar face of the plate (24). Via the edges, the second plates come into contact with the adjoining first plates which are fixed so as to be spaced. The sector (40) formed between the circumferential face (32), two adjoining slots (36) and an imaginary circle (41) at the slot end (37) of the slots (36) is provided with an aperture (42) to discharge viscous fluid contained therein.
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