| 摘要 |
FIELD: valving. ^ SUBSTANCE: disks (20,30) can rotate with respect to the center of rotation (O). Unmovable disk (20) has two ports for flowing water. Movable disk (30) has at least one port for flowing water. Both ports (21,22) of unmovable disk (20) do not occupy totally all second part of unmovable disk (20) which faces the first part of unmovable disk (20). Both ports (21,22) of unmovable disk (20) are separated by rib (25). Minimum width of rib (25) provide required sealing. ^ EFFECT: reduced cost of producing. ^ 8 cl, 20 dwg |
