Heat pump device with a lamella tube heat exchanger as evaporator

摘要

The device has a lamellar tubular heat exchangers designed as an evaporator (100). The evaporator includes coolant guiding tubes (310-314), where a ratio of middle distances (C1-C4) of the tubes to an outer diameter (D) of the tubes is larger than 3.5. The tubes are made of stainless steel or copper. The tubes are provided with lamellae (320) made of aluminum and are displacebly arranged with respect to each other. The tubes include inner ribs arranged adjacent to each other at an angle between 10-40 degrees. A compressor, a condenser and an expansion valve are provided in the device.