| 摘要 |
<p>An automatic valve for use in compressors or as a non-return valve in some other context has a valve seat with passages which are controlled by a closing plate (16). The closing plate (16) consists of a closing part (27) with concentric rings (19) which are connected by radial webs (29). The closing part (27) is guided by flexible links (26). In order to increase the cross-section of flow through the valve and to improve the flow conditions, the construction of the links (26), which are clamped at their outer edge, is as follows: leading radially inwards from the fixing point is an outer web (30) which merges, via an arc (31) with a relatively large radius of curvature, into at least one annular portion (32) extending in the circumferential direction which is provided with an outward offset (33) which, for its part, merges, at an inward-directed arc (34), likewise with a large radius of curvature, into an inner web (35) connected to the closing part (27). The radial webs (30, 35, 29) of the links (26) and of the closing rings (19) are offset relative to one another in the circumferential direction. In the opening direction of the valve, there is space for the closing plate (16) to swing out freely without an end stop. <IMAGE></p> |
