Patent · US Expired

Hot air seal

US6918598B2 · kind B2 · utility

3Cited by
20References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 2, 2002
Grant dateJul 19, 2005
Priority date
Expiry dateSep 14, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF28D7/06
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A hot air sealing arrangement for sealing between an inner surface of an exhaust duct conveying hot combustion products and an outer surface of a heat exchanger disposed within the exhaust duct includes an inner receiver attachable to the outer surface of the heat exchanger, an outer receiver attachable to the inner surface of the exhaust duct, and a seal having an outer bead engageable with the outer receiver for rotary movement therein and an inner bead engageable with the inner receiver for sliding movement therein. The seal further includes a connecting sheet between the outer bead and the inner bead.

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