Drainage control device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11898336
APP PUB NO 20230183959A1
SERIAL NO

17970589

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A drainage control device includes a main body, an upper cover, a lower cover, a pressure relief cover, a membrane, and a return member. The main body has a water filling trough, a drainage trough, and a water passage trough. A drainage chamber having a drainage port is defined between the upper cover and the drainage trough. A water filling chamber has a water filling port is defined between the lower cover and the water filling trough. The pressure relief cover and the main body hold a periphery of the membrane. A water passage chamber is defined between the membrane and the water passage trough. A back-pressure chamber having a drain port is defined between the membrane and the pressure relief cover. The membrane is configured to open or close a junction of the water passage chamber and the drainage chamber. The membrane is returned by the return member.

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Patent Owner(s)

Patent OwnerAddress
ECO (XIAMEN) TECHNOLOGY INCFIRST FLOOR LIGHT FACTORY BUILDING NO 2 XIAFEI EAST ROAD HAICANG DISTRICT XIAMEN CITY FUJIAN PROVINCE 361022 XIAMEN CITY FUJIAN PROVINCE 361022

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huang, Bingxing Xiamen, CN 7 1
Rao, Shengjin Xiamen, CN 2 0
Zhang, Dongsheng Xiamen, CN 52 238

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