| 摘要 |
The invention concerns an electromagnetic check valve comprising a plate (3) arranged to co-operate with an electromagnet core (1). Said plate comprises a plurality of protrusions, for example elastic teeth (7) projecting on said core side. Said blade can be made of elastomer, overmoulded with a sealing joint and a friction ring for a return spring. The invention is useful for reducing operating noise, in particular in motor vehicles.
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