Heat exchanger
US4856580A · kind A · utility
10Cited by
8References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 30, 1987 |
| Grant date | Aug 15, 1989 |
| Priority date | — |
| Expiry date | Oct 30, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S165/149
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A conveying screw having a tubular helical flight attached only at its opposite end portions to a hollow conveying screw body. Heat exchange medium introduced into the hollow body is transferred along the tubular helical flight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.