Patent · US Expired

Porous restrictor for gas bearing

US6901845B2 · kind B2 · utility

19Cited by
5References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 18, 2002
Grant dateJun 7, 2005
Priority date
Expiry dateNov 17, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C32/0622
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A gas restrictor particularly usrful for applicatio in gas bearing as used, for example, in free-piston Striling cycle machinery. Porous strip material together with a backing plate and orifice (bleed hole) is used to provide the restriction to the flow of gas into an annular gap between a piston and a cylinder.

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