Patent · US Expired

Tube assembly for auxiliary heating and air conditioning system

US6009908A · kind A · utility

15Cited by
17References
5Claims
0Family size

Assignees

Inventors

Key dates

Filing dateOct 30, 1997
Grant dateJan 4, 2000
Priority date
Expiry dateOct 30, 2017

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF28D7/106
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A tube assembly for an auxiliary heating and air conditioning system includes an inner tube extending longitudinally, an outer tube extending longitudinally and disposed over the inner tube, the outer tube including a plurality of ribs for locating the inner tube approximately concentric to the outer tube, at least one connector tube, and at least one connector interconnecting the at least one connector tube and the outer tube to allow fluid flow between the inner tube and the outer tube.

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