US Patent 11788791 Heat pump dryer

A heat pump dryer includes a main casing, a compressor, a first heat exchanger having a first portion and a second portion, and a second heat exchanger. The main casing has an air inlet, a first outlet conduit, a second outlet conduit, a first air outlet, and a second air outlet. Air is arranged to enter the main casing through the air inlet, and is arranged to be bifurcated to pass through the first outlet conduit and the second outlet conduit. The air in the first outlet conduit is arranged to sequentially flow through the second heat exchanger and the first portion of the first heat exchanger, whereas the air in the second outlet conduit is arranged to flow through the second portion of the second heat exchanger.