Rainwater head

US8950123B1 · kind B1 · utility

Assignees

• CHONGQING UNIVERSITY · CN
• SHENZHEN YUEZHONG (GROUP) CO., LTD. · CN

Inventors

• Hongxiang Chai · Chongqing, CN
• Songming Tan · Chongqing, CN
• HONG-TAO WU · Nanhu, CN
• Weijie Wang · Nanhu, CN
• Ganlin Zhang · 安丰镇, CN
• Wei Chen · Chongqing, CN
• Wei Kang · Chongqing, CN
• Zhengsong Wu · Chongqing, CN
• Sai Zhang · Santa Clara, US

Key dates

• Filing date: Oct 16, 2013
• Grant date: Feb 10, 2015
• Expiry date: Oct 16, 2033

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E04D13/0409
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

A rainwater head, including: a dome, a drainage pipe, a siphon, and a ball cock mechanism. The drainage pipe includes a drainage exit and a wall including a water outlet hole. The ball cock mechanism includes a floating ball, a connecting bar, a fulcrum, and a stopper. The drainage pipe is connected to the lower part of the dome. The drainage exit is arranged on the top of the drainage pipe. The drainage exit is adapted to be between 5 and 10 cm higher than the roof. The water outlet hole is arranged on the wall of the drainage pipe at a position having the same height as the roof or is lower than the roof. The siphon is disposed on the upper part of the drainage pipe. The inlet of the siphon faces the roof; and the outlet of the siphon extends inside the drainage pipe.