Patent · US Active

Self-pumping spring preload system

US12409697B2 · kind B2 · utility

0Cited by
20References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 8, 2023
Grant dateSep 9, 2025
Priority date
Expiry dateMay 8, 2043

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16F9/19
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A spring preload system comprising a cylinder with an outer diameter, a body to house at least the cylinder, a piston shaft, and a main damping piston. The main damping piston is coupled to the piston shaft and configured for operation within the cylinder. The main damping piston is further configured to divide the cylinder into a compression side and a rebound side. The spring preload system further comprises a preload cylinder and a valve that is fluidly disposed between the compression side and the preload cylinder.

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