Title:
BRAKE INTEGRATED VALVE BLOCK AND DOUBLE-CIRCUIT WET BRAKING SYSTEM APPLYING SAME
Document Type and Number:
WIPO Patent Application WO/2021/244375
Kind Code:
A1
Abstract:
A brake integrated valve block (5) and a double-circuit wet braking system applying the valve block (5). The system comprises a first brake circuit and a second brake circuit; a three-position four-way solenoid valve (14) is comprised in the first brake circuit and the second brake circuit; the three-position four-way solenoid valve (14) is provided between a double-circuit hydraulic brake valve (11) and a first one-way valve (15) and a second one-way valve (16); one group of oil ports of the three-position four-way solenoid valve are respectively connected to a first oil outlet of the double-circuit hydraulic brake valve (11) and a first oil inlet of the first one-way valve (15), and the other group of oil ports are respectively connected to a second oil outlet of the double-circuit hydraulic brake valve (11) and a first oil inlet of the second one-way valve (16); the system further comprises an emergency brake circuit led out by an emergency energy accumulator (6), a two-position two-way proportional valve (21), the first one-way valve (15), the second one-way valve (16), the three-position four-way solenoid valve (14), and the double-circuit hydraulic brake valve (11).
Inventors:
BI SHENG (CN)
WU MENG (CN)
LIU MIN (CN)
XUE ZHENJIAN (CN)
WU MENG (CN)
LIU MIN (CN)
XUE ZHENJIAN (CN)
Application Number:
PCT/CN2021/096136
Publication Date:
December 09, 2021
Filing Date:
May 26, 2021
Export Citation:
Assignee:
AHUI HELI CO LTD (CN)
International Classes:
B60T13/68; B60T13/14; B60T15/36
Foreign References:
| CN111634277A | 2020-09-08 | |||
| CN110588617A | 2019-12-20 | |||
| CN202764956U | 2013-03-06 | |||
| CN110905889A | 2020-03-24 | |||
| EP2143608A1 | 2010-01-13 |
Attorney, Agent or Firm:
HEFEI TIANMING PATENT OFFICE (GENERAL PARTNERSHIP) (CN)
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