Title:
BALLAST VALVE STRUCTURE FOR USE IN AEROSTAT
Document Type and Number:
WIPO Patent Application WO/2022/062488
Kind Code:
A1
Abstract:
A ballast valve structure for use in an aerostat, comprising a ballast valve core. The ballast valve core comprises: a valve core framework, the valve core framework comprising two metal plates (4) arranged opposite to each other, and two magnetic elements (1) arranged opposite to each other; a sand discharging pipe, the sand discharging pipe being provided in the valve core framework in a penetrating mode; and a coil (3), the coil (3) being provided in the valve core framework. The valve core framework and the sand discharging pipe constitute a magnetic circuit. The electromagnetic principle is used for a whole valve, and the valve is a normally-closed valve. When the valve is closed, the magnetic elements (1) are used at an outlet to attract iron sand, and the outlet of the valve is in an open state.
Inventors:
LI YINGSI (CN)
ZHANG DONGHUI (CN)
CHEN CHEN (CN)
FU QIANG (CN)
ZHANG DONGHUI (CN)
CHEN CHEN (CN)
FU QIANG (CN)
Application Number:
PCT/CN2021/100500
Publication Date:
March 31, 2022
Filing Date:
June 17, 2021
Export Citation:
Assignee:
AEROSPACE INFORMATION RESEARCH INSTITUTE CHINESE ACADEMY OF SCIENCES (CN)
International Classes:
F16K31/06; B64B1/22
Foreign References:
| CN112197048A | 2021-01-08 | |||
| CN112918657A | 2021-06-08 | |||
| CN102004504A | 2011-04-06 | |||
| CN2193230Y | 1995-03-29 | |||
| CN104386235A | 2015-03-04 | |||
| CN105775096A | 2016-07-20 | |||
| US20150106138A1 | 2015-04-16 |
Attorney, Agent or Firm:
CN-KNOWHOW INTELLECTUAL PROPERTY AGENT LIMITED (CN)
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