Title:
SELF-SEALING BUTTERFLY VALVE HAVING ARC-SHAPED DISC
Document Type and Number:
WIPO Patent Application WO/2022/110572
Kind Code:
A1
Abstract:
A self-sealing butterfly valve having an arc-shaped disc, comprising a butterfly valve body (1). A base plate assembly (2) is provided at the bottom end of the butterfly valve body (1); a self-sealing assembly (3) is provided at the middle end of the interior of the butterfly valve body (1); the side wall of the butterfly valve body (1) is provided with a rotating assembly (4) at the side edge of the self-sealing assembly (3).
Inventors:
ZHANG ZHENGXIN (CN)
DING LIJUAN (CN)
ZHANG JIANGANG (CN)
DING LIJUAN (CN)
ZHANG JIANGANG (CN)
Application Number:
PCT/CN2021/080902
Publication Date:
June 02, 2022
Filing Date:
March 16, 2021
Export Citation:
Assignee:
YANTAI INNOVATION AUTO PARTS CO LTD (CN)
International Classes:
F16K1/22; F16K1/226; F16K1/46; F16K41/02
Foreign References:
| CN2075733U | 1991-04-24 | |||
| CN106764008A | 2017-05-31 | |||
| CN206257290U | 2017-06-16 | |||
| US4241895A | 1980-12-30 | |||
| CN201836410U | 2011-05-18 |
Attorney, Agent or Firm:
BEIJING YUANZHONG INTELLECTUAL PROPERTY AGENT LTD. (CN)
Download PDF:
Previous Patent: VACUUM CLEANER
Next Patent: RIGID UPPER ARM MODEL-BASED METHOD FOR POSITIONING FUNCTIONAL ROTATION CENTER OF SHOULDER
Next Patent: RIGID UPPER ARM MODEL-BASED METHOD FOR POSITIONING FUNCTIONAL ROTATION CENTER OF SHOULDER