SEMI-ACTIVE ANTI-HUNTING DAMPER, DAMPING SYSTEM AND VEHICLE

Title:

SEMI-ACTIVE ANTI-HUNTING DAMPER, DAMPING SYSTEM AND VEHICLE

Document Type and Number:

WIPO Patent Application WO/2020/253443

Kind Code:

A1

Abstract:

Disclosed are a semi-active anti-hunting damper (100), a damping system and a vehicle. When a piston (2) of the semi-active anti-hunting damper (100) moves in a reciprocating manner inside a hydraulic cylinder (1), the interior of the hydraulic cylinder (1) is divided into two cylinder bodies (PA, PB). The semi-active anti-hunting damper (100) comprises at least two parallel branches (B1, B2), two ends of each of the branches (B1, B2) are respectively in communication with the two cylinder bodies (PA, PB), each of the branches (B1, B2) is respectively provided with an adjustable electromagnetic valve (PV), and the adjustable electromagnetic valve (PV) is used for adjusting a damping coefficient of the semi-active anti-hunting damper (100) when the semi-active anti-hunting damper (100) is in a semi-active mode.

Inventors:

WANG XU (CN)
KONG HAIPENG (CN)
CAO HONGYONG (CN)
ZHOU PINGYU (CN)
SONG XIAOWEN (CN)

Application Number:

PCT/CN2020/090836

Publication Date:

December 24, 2020

Filing Date:

May 18, 2020

Export Citation:

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Assignee:

CRRC QINGDAO SIFANG CO LTD (CN)

International Classes:

F16F9/504; B61F5/24; F16F9/512

Domestic Patent References:

WO2018177976A1	2018-10-04
WO2018177976A1	2018-10-04

Foreign References:

CN110360263A	2019-10-22
CN102537176A	2012-07-04
CN101194108A	2008-06-04
CN1699781A	2005-11-23
JP2000264034A	2000-09-26

Other References: