Title:
HYDRAULIC RETARDER
Document Type and Number:
WIPO Patent Application WO/2023/185010
Kind Code:
A1
Abstract:
A hydraulic retarder, comprising a rotor member (20), an input shaft (30), and a stator member (10) having a first chamber (a) and a first channel (b). The first chamber (a) is provided around the first channel (b), and the first chamber (a) and the first channel (b) match the rotor member (20) so as to form a working chamber (A) between the stator member (10) and the rotor member (20). The input shaft (30) passes through the rotor member (20) and the stator member (10), and a second chamber (e) and a second channel (d) are formed between the input shaft (30) and the stator member (10), wherein the second chamber (e) is used for accommodating an oil seal (40), and the end of the first channel (b) away from the rotor member (20) is communicated with the first chamber (a), and the end thereof close to the rotor member (20) is communicated with the second chamber (e) by means of the second channel (d). When the hydraulic retarder works, a working medium in the working chamber can be ejected, due to the effect of a centripetal force, to the rotor member at a high speed from one side of the stator member under the guidance of the first channel, thereby reducing pressure borne by the oil seal and ensuring the sealing performance of the oil seal.
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| WO/2012/034697 | MAGNETORHEOLOGICAL TRANSMISSION DEVICE |
| WO/2020/253471 | RECIPROCATING SEALING-RING-FREE PISTON HYDRAULIC BRAKING DEVICE |
| WO/1998/000649 | MAGNETORHEOLOGICAL FLUID BRAKE |
Inventors:
LI TIANWEI (CN)
WANG TIANBIN (CN)
ZENG TAN (CN)
LU SUO (CN)
LI PEIZHI (CN)
XIANG FUCHONG (CN)
WANG TIANBIN (CN)
ZENG TAN (CN)
LU SUO (CN)
LI PEIZHI (CN)
XIANG FUCHONG (CN)
Application Number:
PCT/CN2022/132943
Publication Date:
October 05, 2023
Filing Date:
November 18, 2022
Export Citation:
Assignee:
LITIAN TRARD TECH CO LTD GUIYANG (CN)
International Classes:
F16D57/00; F16D57/02
Foreign References:
| CN114704564A | 2022-07-05 | |||
| CN105673733A | 2016-06-15 | |||
| CN103363119A | 2013-10-23 | |||
| CN113958629A | 2022-01-21 | |||
| CN103967972A | 2014-08-06 | |||
| JPH08285088A | 1996-11-01 | |||
| DE102005009456A1 | 2006-09-07 | |||
| US20210190155A1 | 2021-06-24 |
Attorney, Agent or Firm:
DHC IP ATTORNEYS (CN)
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