| 摘要 |
Inlet valve that comprises a pipe (2) and a housing (3) that forms a chamber (4) around this pipe (2), in which an aperture (9) is affixed with blades (10) that are slidingly provided in the housing (3), whereby these blades (10) present a protruding section (13) with edges (14) that lie against one another and whereby the blades (10) are provided with a spindle (16) and there are means (18) to enable the blades (10) to pivot around these spindles (16), during the movement of the spindles (16), between a closed position, whereby the sections (13) are oriented radially to close off the passage in the pipe (2), and an open position whereby the sections (13) are turned away from the pipe (2). |
