Rotary fin machine
US5350012A · kind A · utility
3Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1992 |
| Grant date | Sep 27, 1994 |
| Priority date | — |
| Expiry date | Aug 21, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D13/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A serpentine louvered heat exchange element comprising a folded metallic strip having a length and width wherein the length is over ten times the width prior to being folded. The strip has back and forth folds with legs having substantially equal lengths defined therebetween. A plurality of the legs are provided with louvres having openings which allow the passage of fluid. Each of the folds have a fold apex with an observable preformed fold arc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.