Abstract: A heat exchanger module including: a first heat exchanger configured to exchange heat with air; a fan unit configured to induce flow of the air through the first heat exchanger; and an air duct configured to guide the flow of the air from the fan unit to the first heat exchanger. The air duct includes a first duct portion, a second duct portion and a third duct portion, with the first duct portion and the second duct portion being connected to the first heat exchanger, and the third duct portion being connected to the fan unit.

Abstract: A device for the separation of waste materials in accordance with their densities is provided and includes a vat which is fillable with a fluid for the separation of detritus by means of floatation and decantation. Conveyer belts are provided for the removal of the supernatant and decanted materials. A vibrating sieve is provided for the pre-separation of debris prior to introduction into the vat. The vibrating sieve extracts large materials and small materials which tend to produce silt in the vat. Means are provided for the removal of the decanted sludge.

Abstract: A device for the separation of waste materials in accordance with their densities is provided and includes a vat which is fillable with a fluid for the separation of detritus by means of floatation and decantation. Conveyer belts are provided for the removal of the supernatant and decanted materials. A vibrating sieve is provided for the pre-separation of debris prior to introduction into the vat. The vibrating sieve extracts large materials and small materials which tend to produce silt in the vat. Means are provided for the removal of the decanted sludge.