Patent ID: 8312730

Claim:
A magnetic refrigeration device comprising: a heat exchanger vessel of a hollow helical structure, an inside of the vessel being filled with magnetic particles having a magnetocaloric effect, the vessel having a curve oblique with respect to a center axis of a helix; a magnetic circuit configured to generate a magnetic field, the circuit including a permanent magnet having a helical structure and a magnet yoke; a driving unit configured to relatively move the heat exchanger vessel and the magnetic circuit so that the magnetic field can be applied to and removed from the magnetic particles; a low temperature side heat exchanging unit independent of the heat exchanger vessel; a high temperature side heat exchanging unit independent of the heat exchanger vessel; a refrigerant flow device; and a refrigerant circuit formed by connecting the heat exchanger vessel, the low temperature side heat exchanging unit, the high temperature side heat exchanging unit, and the refrigerant flow device by a pipe for circulating a refrigerant.