The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 2013
Filed:
Aug. 04, 2011
Ikuo Uemura, Saitama, JP;
Hirofumi Ishiwada, Tokyo, JP;
Shouichi Banba, Tokyo, JP;
Aya Uchino, Tokyo, JP;
Tsuneo Ochiai, Tokyo, JP;
Hiroshi Komatsu, Chiba, JP;
Shigeki Nishimura, Saitama, JP;
Shigeru Tukada, Saitama, JP;
Ikuo Uemura, Saitama, JP;
Hirofumi Ishiwada, Tokyo, JP;
Shouichi Banba, Tokyo, JP;
Aya Uchino, Tokyo, JP;
Tsuneo Ochiai, Tokyo, JP;
Hiroshi Komatsu, Chiba, JP;
Shigeki Nishimura, Saitama, JP;
Shigeru Tukada, Saitama, JP;
Tokyo Metropolitan Government, Tokyo, JP;
Tokyo Metropolitan Sewerage Servce Corporation, Tokyo, JP;
Nippon Koei Co., Ltd., Tokyo, JP;
Abstract
A vortex flow type water surface control device for a draining device is provided. The vortex flow type water surface control device may include an inflow pipe, an outflow pipe, an intercepting pipe, and a separating weir that is disposed to block the intercepting pipe and the inflow pipe from the outflow pipe. The vortex flow type water surface control device may also include a control plate that is disposed between an opening of the inflow pipe and an opening of the intercepting pipe. A height of the control plate may be higher than at least a height of the separating weir. The control plate may be apart from the separating weir, and may approximately extend to a center axis of the intercepting pipe.