| 摘要 |
<p>Straightway or multi-directional control valve of water construction The subject matter of this invention is a straightway or multi-directional control valve of wafer construction consisting of at least two stationary external cover plates between which are located one or several distance pieces for creating a receptacle chamber foramoving control plate, the thickness of which is less than the clear distance between the cover plates, whereby said distance pieces and the control plate are plane-parallel and each of the same thickness,and whereby a lamination is located between the distance pieces and the cover plates for forming a defined gap between the control plate and the cover plates. Fig. 2</p> |
