Patent · US Expired

Suspension unit for active suspension system

US4962946A · kind A · utility

3Cited by
9References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 7, 1989
Grant dateOct 16, 1990
Priority date
Expiry dateApr 7, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60G2400/60
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A vehicle with an active suspension system has a road wheel suspension unit comprising a double-acting hydraulic actuator extending between a fitting connected to the vehicle body or chassis and a pivoted road wheel suspsension arm, a coiled compression spring in parallel with and surrounding the actuator, a load cell for signalling actuator loading, and a resilient isolator ring in series between the load cell and the fitting, or the actuator and the load cell.

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