Abstract: A cover for water flow inlet for rainwater drainage of roof and buildings is disclosed. The inlet cover comprises an outer formation forming a plurality of ridged fins to avoid the vortex formation of rainwater entrainment and to protect the cover from debris materials and a central plate member. The central plate member has a profiled lower surface. The plate member is of an inverted shape with a plurality of ridged formation or channels on the lower surface to further eliminate formation of air inducing and vortices, therefore promoting high volume laminar flow of water in the inlet pipe of the drainage system.
Type:
Grant
Filed:
May 25, 2015
Date of Patent:
March 30, 2021
Assignee:
TAC-M COMPANY LIMITED
Inventors:
John Antonio Herrero-Smith, Suchin Ratanasiriwilai, Surachai Leelahakiat
Abstract: A cover for water flow inlet for rainwater drainage of roof and buildings is disclosed. The inlet cover comprises an outer formation forming a plurality of ridged fins to avoid the vortex formation of rainwater entrainment and to protect the cover from debris materials and a central plate member. The central plate member has a profiled lower surface. The plate member is of an inverted shape with a plurality of ridged formation or channels on the lower surface to further eliminate formation of air inducing and vortices, therefore promoting high volume laminar flow of water in the inlet pipe of the drainage system.
Type:
Application
Filed:
May 25, 2015
Publication date:
April 26, 2018
Applicant:
TAC-M COMPANY LIMITED
Inventors:
John Antonio HERRERO-SMITH, Suchin RATANASIRIWILAI, Surachal LEELAHAKIAT