Patent · US Expired

Piston and cylinder assembly and flow restrictor device therefor

US6397725B1 · kind B1 · utility

1Cited by
5References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 3, 2000
Grant dateJun 4, 2002
Priority date
Expiry dateMay 3, 2020

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF15B15/224
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A piston and cylinder assembly is described having a piston which partially defines a fluid chamber in the cylinder from which fluid is expelled through an outlet port of the cylinder by movement of the piston along the cylinder, the assembly including a flow restrictor providing a first restricted flow path between the chamber and port, and also providing an auxiliary restricted flow path of which a first portion communicates with the chamber and of which a second portion extends between the first portion and the port.

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