Multipoint coal and rock mass stress real-time monitoring device and method
US10082433B2 · kind B2 · utility
2Cited by
2References
1Claims
0Family size
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Key dates
| Filing date | Jul 31, 2015 |
| Grant date | Sep 25, 2018 |
| Priority date | — |
| Expiry date | Aug 26, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21F17/18
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A multipoint coal and rock mass stress real-time monitoring device is provided. The device is composed of a plurality of capsule pressure sensors (1), connection rods (2), three-way valves (3), a multichannel monitor (4), a multichannel control valve (5), first high-pressure oil pipes (6), second high-pressure oil pipes (7), third high-pressure oil pipes (8), a four high-pressure oil pipe (9), a high-pressure oil pump (10) and monitoring substations (11). A multipoint coal and rock mass stress real-time monitoring method is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.