Patent · US Expired

Hydraulic suspension system for a vehicle

US7040631B2 · kind B2 · utility

13Cited by
5References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 2001
Grant dateMay 9, 2006
Priority date
Expiry dateMar 16, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60G2204/8306
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A suspension system for a vehicle having at least one pair of forward and one pair of rearward wheels, including: a suspension arm (7–10) for each wheel providing at least partial location of the associated wheel, the suspension arm (7–8) of the forward wheel being pivotally mounted to a vehicle body at a pivot position (11, 15, 12, 16) rearward to an axle line of the forward wheel, the suspension arm (9–10) of the rearward wheel being pivotally mounted to the vehicle body at a pivot position (13, 17; 14, 18) forward to an axle line of the rearward wheel; at least one lever arm (19–22) moving in conjunction with and extending radially from the pivot position (11–18) of each suspension arm (7–10); wherein at each respective side of the vehicle, a ram assembly (23, 24) is located between the lever arms (19–22) of the forward and rearward wheel, the ram assembly (23, 24) including at least a first (25, 27) and second (26, 28) variable volume fluid chamber, each fluid chamber (25–28) being in fluid communication with a fluid chamber (25–28) of an opposing ram assembly (23, 24) provided on the opposing side of the vehicle, such that there is fluid flow between the chambers (25–28) of th…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.