Abstract: A treatment device for subjecting food products to a temperature treatment comprises a housing, at least one conveyor, on which the food products can be conveyed along a helical conveying path, as well as air-circulation throughout the treatment device sufficient for causing conditioned air to circulate through the device, an air-conditioning device, in which device, according to the invention, air-distribution device that will allow for distributing the conditioned air via only part of the inside of the helical conveying path are provided on the inside of the conveying belt, which air-distribution device that will be connected to the air-circulation portion of the treatment device. In the device according to the invention, the conditioned air is blown over the products from a limited open area of the air-distribution device on the inside of the helical conveying path.

Abstract: A treatment device for subjecting food products to a temperature treatment comprises a housing, at least one conveyor means, on which the food products can be conveyed along a helical conveying path, as well as air-circulation means for causing conditioned air to circulate through the device, and air-conditioning means, in which device, according to the invention, air-distribution means for distributing the conditioned air via only part of the inside of the helical conveying path are provided on the inside of the conveying belt, which air-distribution means are connected to the air-circulation means. In the device according to-the invention, the conditioned air is blown over the products from a limited open area of the air-distribution means on the inside of the helical conveying path.

Abstract: A treatment device for subjecting food products to a temperature treatment comprises a housing, at least one conveyor, on which the food products can be conveyed along a helical conveying path, as well as air-circulation throughout the treatment device sufficient causing conditioned air to circulate through the device, and an air-conditioning device, in which device, according to the invention, air-distribution device that will allow for distributing the conditioned air via only part of the inside of the helical conveying path are provided on the inside of the conveying belt, which air-distribution device that will be connected to the air circulation portion of the treatment device. In the device according to the invention, the conditioned air is blown over the products from a limited open area of the air-distribution device on the inside of the helical conveying path.