Title:
MICRO-FLOW THROTTLING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/116290
Kind Code:
A1
Abstract:
A micro-flow throttling device, comprising: a casing (2) used for assembling; a throttling structure (5) mounted inside the casing (2) to form resistance to control a fluid flow, wherein the throttling structure (5) comprises a first axial hole (501) formed inside a fine threaded rod (101), a first radial hole (6) is formed on one side of the first axial hole (501), a fine thread flow channel (11) is mounted on one side of the first radial hole (6), and a second cavity (15) is formed between the fine thread flow channel (11) and a coarse thread flow channel (12); a regulating structure (1) mounted on the casing (2) and used for regulating the flow rate of the fluid; and a butt-joint structure (17) mounted on the inner wall of the casing (2) and used for performing disassembly and assembly limiting on the throttling structure (5).
Inventors:
GUAN LIANG (CN)
SHI WEI (CN)
YANG MING (CN)
HUANG JIAJIE (CN)
YANG FANGFANG (CN)
WANG ZIMO (CN)
ZHANG YICHI (CN)
SHI WEI (CN)
YANG MING (CN)
HUANG JIAJIE (CN)
YANG FANGFANG (CN)
WANG ZIMO (CN)
ZHANG YICHI (CN)
Application Number:
PCT/CN2022/132722
Publication Date:
June 29, 2023
Filing Date:
November 18, 2022
Export Citation:
Assignee:
SHANGHAI INST SPACE PROPULSION (CN)
International Classes:
F16K17/20
Foreign References:
| CN114352782A | 2022-04-15 | |||
| CN103775685A | 2014-05-07 | |||
| US4106525A | 1978-08-15 | |||
| CN103089834A | 2013-05-08 | |||
| CN203035990U | 2013-07-03 |
Attorney, Agent or Firm:
DUAN&DUAN LAW FIRM (CN)
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