Apparatus for preparing meals
View Patent ↗An apparatus ( 10 ) for preparing meals, which is suitable in particular for use on board a commercial aircraft, includes a meal preparation unit ( 12 ) and a supply unit ( 14 ). The supply unit ( 12 ) includes a fuel cell system ( 16 ) having a fuel cell ( 18 ) and is equipped to supply the meal preparation unit ( 12 ) with water produced by the fuel cell ( 18 ).
1. Apparatus ( 10 ) for preparing meals, comprising:
a meal preparation unit ( 12 ) which includes:
a plurality of receiving devices ( 45 ) for receiving the meals that are to be prepared in the meal preparation unit ( 12 ),
a selecting mechanism ( 48 ) for selecting a meal that is to be prepared and is received in a receiving device ( 45 ), and
a supplying mechanism ( 42 , 46 , 47 ) which selectively supplies steam to a meal that is to be prepared and has been selected by way of the selecting mechanism ( 48 ), and
a supply unit ( 14 ) which includes:
a fuel cell system ( 16 ) having a fuel cell ( 18 ), the fuel cell ( 18 ) connected to the supplying mechanism ( 42 , 46 , 47 ) of the meal preparation unit ( 12 ) to supply the supplying mechanism ( 42 , 46 , 47 ) with steam produced by the fuel cell ( 18 ),
a steam preparer ( 34 ) for processing steam issuing from the fuel cell ( 18 ), and
a heat management arrangement ( 36 ) adapted to control the operating temperature of the fuel cell ( 18 ) and the operating temperature of the steam preparer ( 34 ), the heat management arrangement ( 36 ) cooling the fuel cell ( 18 ) during operation and heating the steam preparer ( 34 ) using waste heat generated by the fuel cell ( 18 ).
2. Apparatus for preparing meals according to claim 1 , wherein the supply unit ( 14 ) supplies the meal preparation unit ( 12 ) with energy generated by the fuel cell ( 18 ).
3. Apparatus for preparing meals according to claim 1 , wherein the meal preparation unit ( 12 ) comprises a dispensing device ( 50 ) for dispensing the meals prepared in the meal preparation unit ( 12 ).
4. Apparatus for preparing meals according to claim 1 , wherein the meal preparation unit ( 12 ) comprises an energy store ( 52 ) for storing the energy generated by the fuel cell ( 18 ).
5. Apparatus for preparing meals according to claim 1 , wherein the fuel cell ( 18 ) is a polymer electrolyte membrane fuel cell, in particular a high-temperature polymer electrolyte membrane fuel cell.
6. Apparatus for preparing meals according to claim 1 , wherein the fuel cell system ( 16 ) comprises a hydrogen tank ( 26 ) connected to an anode side ( 20 ) of the fuel cell ( 18 ).
7. Apparatus for preparing meals according to claim 1 , wherein the fuel cell system ( 16 ) comprises a device ( 28 ) connected to a cathode side ( 24 ) of the fuel cell ( 18 ) for supplying an oxygen-containing medium to the cathode side ( 24 ) of the fuel cell ( 18 ).
8. Apparatus for preparing meals according to claim 1 , wherein the fuel cell system ( 16 ) comprises a device, connected to an anode side ( 20 ) of the fuel cell ( 18 ) for producing hydrogen from a hydrogen-containing medium.
9. Apparatus for preparing meals according to claim 1 , wherein the supply unit ( 14 ) is a stationary supply unit ( 14 ) configured to be coupled with a plurality of mobile meal preparation units ( 12 ).