| 摘要 |
The invention solves the problem of improving the preparation state of the mixture with the engine idling, and the regularity of the distribution of the homogeneous mixture in the cylinder. The throttle valve according to the invention comprises two plates (1), which symmetrically half open in the intake line (3) and are provided in the axis of symmetry with a large recess (5) below which a thin-walled bowl, heavily bowed out in the direction of the mixture jet flow, is located, formed by flaps (6), which are fixed on the underside of the plates (1), symmetrically arranged small apertures (10) being provided in the flaps on the perimeter with a diameter approximating to the radius of the bowl at the base, the diameter of which is approximately one third of its length in the bowl material, and the flaps (6) are preferably made of fluoroelastomer. <IMAGE>
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