Heat exchanger, in particular cooling apparatus
US5538074A · kind A · utility
Inventor
Key dates
| Filing date | May 5, 1994 |
| Grant date | Jul 23, 1996 |
| Priority date | — |
| Expiry date | May 5, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7882
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In the case of a heat exchanger, in particular a cooling apparatus, having a housing and at least one ventilator for blowing the air which flows through the heat exchanger out through an outlet opening in the housing, there is arranged on the outside of the outlet opening (4) of the housing (1), in order to avoid energy losses upon defrosting and to save energy costs, a flexible flat piece (6, 15) which permits air to emerge unimpeded into the surrounding space when the ventilator is operating but which collapses when the ventilator is shut off and thereby covers the outlet opening of the housing so that, upon the defrosting, no moist and warm defrosting air can emerge through the outlet opening of the housing into the surrounding space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.