Title:
BIDIRECTIONAL AIR RESISTANCE BRAKING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/239132
Kind Code:
A1
Abstract:
A bidirectional air resistance braking apparatus, comprising a base (1), first cylinders (21), second cylinders (22), a first air resistance plate (31) and a second air resistance plate (32), a first air resistance plate tail portion (311) being connected to the base (1), the first air resistance plate (31) also comprising first support rods (51), one end of each first support rod (51) being hingedly connected to a first air resistance plate central portion (312), the other end being connected to a first cylinder (21), a second air resistance plate tail portion (321) being connected to the base (1), the second air resistance plate (32) also comprising second support rods (52), one end of each second support rod (52) being hingedly connected to a second air resistance plate central portion (322), the other end being connected to a second cylinder (22). The bidirectional air resistance braking apparatus is highly efficient and highly stable.
Inventors:
WANG YUNPENG (CN)
MA FEI (CN)
YIN CHONGHONG (CN)
TANG JINSONG (CN)
MA FEI (CN)
YIN CHONGHONG (CN)
TANG JINSONG (CN)
Application Number:
PCT/CN2020/097076
Publication Date:
December 03, 2020
Filing Date:
June 19, 2020
Export Citation:
Assignee:
CRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD (CN)
International Classes:
B61H11/10; B60T1/16
Domestic Patent References:
| WO2013141038A1 | 2013-09-26 |
Foreign References:
| CN109878473A | 2019-06-14 | |||
| CN109050572A | 2018-12-21 | |||
| CN102530016A | 2012-07-04 | |||
| CN103213599A | 2013-07-24 | |||
| JPH07277158A | 1995-10-24 | |||
| CN106882169A | 2017-06-23 |
Other References:
See also references of EP 3984841A4
Attorney, Agent or Firm:
QINGDAO LAWSCI INTELLECTUAL PROPERTY CO., LTD. (CN)
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