Patent ID: 11933030
Assignee: RÜSCHO-SCHOTENRÖHR GMBH
Field: Civil engineering (Other fields)
Classification: CPC E  Y | IPC E

Claim 4:
5. The device of claim 2, wherein the water dispersion means is provided with one or more plate type lattice network members each having a plurality of water passage holes and a shaft through-hole at a center,
the screen mesh member is made of a plate-shaped screen mesh having a plurality of water passage holes,
the mounting member comprises:
a cylindrical type body part provided with a plurality of water discharge holes at the bottom part and a shaft through-hole at a center; and
a fixing flange portion provided to protrude outward in a radial direction on an outer periphery of an upper end of the body part,
the housing comprises:
a large-diameter portion having a predetermined diameter; and
a small-diameter portion having a smaller diameter than the large-diameter portion and provided with the water discharge holes in a bottom part,
at a lower inner periphery of the large-diameter portion, a step portion is provided to protrude along a circumferential direction, and
in a center of the bottom part of the small-diameter portion, a fixing hole or fixing groove, in which a lower end part of the fluid control rotation blade member constituting the fluid control means is fixedly mounted, is provided.