| 摘要 |
The direct-flow valve proposed according to the present invention comprises, on the one hand, a housing 1, one end surface 3 of which is provided with an outlet 5 for the passage of a flowing medium, and on the other hand ducts 9, which are connected by one of their ends 11 to the outlet 5 by openings 10 incorporated in the side walls 7 of the outlet 5, and which by their other ends 12 at the second end surface 4 of the housing 1 are connected to a source of a flowing medium. Each outlet 5 accommodates two spring-loaded shut-off elements 13, intended for opening and closing the openings 10 and between which a restrictor 15 is arranged, which is intended to restrict the moving stroke length of the shut- off elements 13 for opening the shut-off elements 13. The direct-flow valve according to the present invention is characterised in that the restrictor 15 consists of a detachably arranged intermediate wall, which extends along the length of the outlet 5 and is in contact with the bottom end 6 of the outlet 5. The end walls of each outlet 5 are provided with grooves, which contain projections, which are arranged on the ends of each intermediate wall 15. The direct-flow valve designed in this way can be adjusted to work in various operating conditions with regard to the oscillation frequency of the flow of fluid medium flowing through the direct-flow valve, by changing the restrictor 15 for one with the thickness (a) required in order to be able to alter the moving stroke length of the shut-off elements 13 for opening of the shut-off elements 13. <IMAGE>
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