the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 of u0433u0438u0434u0440u043eu043cu0430u0448u0438u043du043eu0441u0442u0440u043eu0435u043du0438u00a0 is u0434u043bu00a0 u043fu0435u0440u0435u043au0430u0447u0438u0432u0430u043du0438u00a0 liquid and gaseous environments and u043fu043eu0437u0432u043eu043bu00a0u0435u0442 reduce noise. this is u0434u043bu00a0 pump with u043fu0435u0440u0444u043eu0440u0438u0440u043eu0432u0430u043du043du044bu043c and u043fu043eu043bu044bu043c u043eu0431u0442u0435u043au0430u0442u0435u043bu0435u043c (on) 3, with u043fu0435u0440u0435u043fu0443u0441u043au043du044bu0435 channels (to) 5 with the output of the input u043eu0442u0432u0435u0440u0441u0442u0438u00a0 u043eu0442u0432u0435u0440u0441u0442u0438u00a0u043cu0438 6, 8 are located on the front the end surface of the hub 4 and communicated with a complete 9 about 3.u043fu0435u0440u0435u0442u0435u043au0430u043du0438u0435 fluid through to 5 reduces the interaction flow with about 3 and reduces the thickness of the border u0441u043bu043eu00a0 that causes reduction of the noise. 1, z. s - lu, 4).
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