Patent · US Expired

Concentric foil structure for regenerators

US6745822B1 · kind B1 · utility

4Cited by
12References
12Claims
0Family size

Inventor

Key dates

Filing dateMay 22, 1998
Grant dateJun 8, 2004
Priority date
Expiry dateAug 18, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49909
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A regenerator 24 formed of concentric layers of regenerator foil 61 assembled with unbonded joints 68 and 70 inside a generally cylindrical space 74 and method of inserting and installing foil 60 using foil rolling apparatus 16 and foil installation apparatus 22 employing an inflatable bladder 94 to press foil 60 against the wall of generally cylindrical space 74.

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