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Patent Searching and Data


Title:
AUTOMOBILE, AUTOMOBILE SEAT, MASSAGER, AND RAPID PRESSURE RELIEF APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/093264
Kind Code:
A1
Abstract:
The present invention relates to the technical field of fluid control, and provides an automobile, an automobile seat, a massager, and a rapid pressure relief apparatus. The rapid pressure relief apparatus is suitable for rapidly reducing the pressure of an airbag, and comprises a valve body provided with a valve cavity, and a valve core assembly arranged in the valve cavity. The valve body is provided a first opening, a second opening, and a guide accommodating cavity; the first opening is used for being communicated with the airbag to obtain airflow; the second opening is formed at the downstream side of the first opening, and the opening area of the second opening is greater than the opening area of the first opening; and the guide accommodating cavity is arranged between the first opening and the second opening, and communicates the first opening with the second opening. The valve core assembly is provided with a first valve core and a second valve core; the first valve core has a first cross-section for closing the first opening; and the second valve core has a second cross-section for closing the second opening, wherein the area of the second cross-section is greater than the area of the first cross-section, so that a pressure difference is provided, and pressure is rapidly released.

Inventors:
WANG CUILING (CN)
DONG XIAOWU (CN)
HONG FENGDU (CN)
TONG SHAOWEI (CN)
CHEN YUBO (CN)
HUANG KAIXU (CN)
Application Number:
PCT/CN2022/121064
Publication Date:
June 01, 2023
Filing Date:
September 23, 2022
Export Citation:
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Assignee:
WANG CUILING (CN)
International Classes:
F16K17/04; A61H7/00; B60N2/90; F16K17/08
Foreign References:
CN114645959A2022-06-21
CN114587955A2022-06-07
CN217409261U2022-09-13
CN217502706U2022-09-27
KR101578778B12015-12-18
CN102345743A2012-02-08
CN201391656Y2010-01-27
CN109424771A2019-03-05
CN111306344A2020-06-19
CN206368986U2017-08-01
CN207701842U2018-08-07
CN109318770A2019-02-12
Attorney, Agent or Firm:
HANGZHOU JOYGO INTELLECTUAL PROPERTY FIRM (GENERAL PARTNERSHIP) (CN)
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