Title:
VENT VALVE
Document Type and Number:
WIPO Patent Application WO/2023/000667
Kind Code:
A1
Abstract:
A vent valve comprises a valve body (10) having an inner chamber (11) extending along a first direction, both ends of the valve body (10) along the first direction having openings in communication with the inner chamber (11), and the inner chamber (11) having a center line extending along the first direction; multiple air valve vanes (20), the multiple air valve vanes (20) being arranged circumferentially around the center line and located in the inner chamber (11), each air valve vane (20) having a rotating shaft (21), and the rotating shaft (21) of each air valve vane (20) being perpendicular to the centerline; a transmission mechanism (30) disposed outside the inner chamber (11) of the valve body (10), a drive apparatus (40) connected to the transmission mechanism (30) being used to drive the transmission mechanism (30) such that the transmission mechanism (30) drives each air valve blade (20) to rotate synchronously about its rotating shaft (21), so that the vent valve switches between a closed state and an open state.
Inventors:
RUAN HONGZHENG (CN)
LU BINGLI (CN)
LU BINGLI (CN)
Application Number:
PCT/CN2022/077664
Publication Date:
January 26, 2023
Filing Date:
February 24, 2022
Export Citation:
Assignee:
E3 GREEN TECH CO LTD (CN)
International Classes:
F16K1/22; F16K31/04; F16K31/44; F16K31/53; F16K37/00
Foreign References:
| CN111350829A | 2020-06-30 | |||
| CN109630695A | 2019-04-16 | |||
| CN107289170A | 2017-10-24 | |||
| US20180224019A1 | 2018-08-09 | |||
| CN215673633U | 2022-01-28 | |||
| CN113404877A | 2021-09-17 | |||
| US20190113248A1 | 2019-04-18 |
Attorney, Agent or Firm:
WATSON & BAND INTELLECTUAL PROPERTY AGENT LTD. (CN)
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