Heat recirculating dryer
US5036602A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 26, 1990 |
| Grant date | Aug 6, 1991 |
| Priority date | — |
| Expiry date | Feb 26, 2010 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06F58/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A dryer for extracting moisture from goods and recirculating at least a portion of the air withdrawn from a tumbler cylinder located within the dryer. The dryer includes an air distribution system for supplying heated air to the tumbler cylinder, withdrawing air from the cylinder, and recirculating at least a portion of the air withdrawn from the cylinder. The air distribution system includes a burner tube and a heating passageway disposed about a portion of the burner tube, the passageway being connected for directing recirculated air about the burner tube to heat the recirculated air. The air circulating system also includes an air flow tube concentric with a portion of the burner tube for directing ambient air about the burner tube for cooling the burner tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.