Patent · US Active

Fissured substrata water pumping apparatus and method

US9850747B2 · kind B2 · utility

0Cited by

5References

20Claims

0Family size

Assignee

China University of Mining and Technology · CN

Inventors

Zhanguo Ma · Xuzhou, CN
GUOZHEN ZHAO · Xuzhou, CN
Fan Zhang · Lake Barrington, US
Peng Gong · Yichun City, CN
Zhongxi Jiang · Xuzhou, CN
Jianli Yang · Xi'an, CN
Xinli Zhang · Lo Wu, CN
Zhanlin Ma · Xuzhou, CN
Yunjing MA · Xuzhou, CN

Key dates

Filing date	Jan 25, 2016
Grant date	Dec 26, 2017
Priority date	—
Expiry date	Jan 25, 2036

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21F16/00
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

The present invention provides a fissured substrata water pumping apparatus and methods thereof. The fissured substrata water pumping apparatus includes a water pumping pipe inserted into a drilled hole under a roadway floor; one or more unidirectional water-blocking plates configured inside the water pumping pipe; a servo pump; and an annular drainage siphon having a first end connected to an upper end of the water pumping pipe, and a second end connected to an inlet end of the servo pump through a valve.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.