Exhaust air dryer having a fan

摘要

An exhaust air dryer having a housing that encloses an inner space, wherein the following structures are arranged in the inner space: a drying chamber for items to be dried; a supply air duct between a first supply air inlet and the drying chamber to supply air; a heater to heat the supply air in the supply air duct; a fan to guide heated supply air through the drying chamber; and an exhaust air duct arranged between the drying chamber and an exhaust air outlet on the housing to exhaust air. The fan is a dual-flow fan having a first flow path and a second flow path, wherein the first flow path is arranged in the exhaust air duct and the second flow path is arranged in the supply air duct.

主权项

1. An exhaust air dryer, comprising:
a housing enclosing an inner space; a drying chamber for items to be dried, the drying chamber arranged in the inner space; a supply air duct arranged in the inner space between a first supply air inlet and the drying chamber to provide supply air; a heater to heat the supply air in the supply air duct, the heater arranged in the inner space; a fan to guide heated supply air through the drying chamber, the fan arranged in the inner space; an exhaust air duct arranged in the inner space between the drying chamber and an exhaust air outlet on the housing to exhaust air; a second supply air inlet arranged in the supply air duct and into which a second flow of air is drawn in; and a flow regulator arranged in the inner space and which regulates air flow through the supply air duct such that the second flow of air is opened when a first flow of air from the first supply air inlet is closed; wherein the fan is a dual-flow fan having a first flow path and a second flow path; and wherein the first flow path is arranged in the exhaust air duct and the second flow path is arranged in the supply air duct.