HYDRAULIC ACTIVE SUSPENSION AND VEHICLE HAVING SAME

WIPO Patent Application WO/2023/125961

A1

A hydraulic active suspension (1000), used for a vehicle, and comprising a shock absorber (200), a common channel, an energy accumulator module, and a liquid storage apparatus. The shock absorber (200) comprises a housing (201), a piston (202), and a piston rod (203). The housing (201) is adapted to be connected to a wheel or an axle, the piston (202) is located in the housing (201) and defines an upper chamber (2011) and a lower chamber (2012) of the shock absorber (200), one end of the piston rod (203) is connected to the piston (202), the other end of the piston rod (203) extends outside the housing (201) and is adapted to be connected to a vehicle body. The liquid storage apparatus and the energy accumulator module are both communicated with the lower chamber (2012) by means of the common channel, the liquid storage apparatus is used for adjusting the height of the vehicle, and the energy accumulator module is used for adjusting at least one of the rigidity and damping of the shock absorber (200).

XU HAOLUN (CN)
LIAO YINSHENG (CN)
ZHANG HONGZHOU (CN)
HUANG TAISHUO (CN)
ZHANG LEI (CN)

PCT/CN2022/144046

July 06, 2023

December 30, 2022

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BYD CO LTD (CN)

B60G13/08; B60G11/30; B60G17/015; B60G17/04; F16F9/22

CN217598270U	2022-10-18
CN217598271U	2022-10-18
JP2008247209A	2008-10-16
JP2005088766A	2005-04-07
CN104608574A	2015-05-13
CN1751905A	2006-03-29
JP2006218917A	2006-08-24
FR2849625A1	2004-07-09

ZHIFAN & PARTNERS (CN)

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