| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve a water heater and a coffee maker mounted on an aircraft. <P>SOLUTION: The water heater 1 of the aircraft has a water tank 20 which is water supplied from the water tank 10 in the aircraft, and is provided with a solenoid valve 14, and a flow meter 16 in between. The water tank 20 is opened to the atmosphere, and does not compose a pressure vessel. Hot water heated by a rapid heat boiler 40 is fed to a coffee server 100, and sprayed from a hot shower head 170 to a coffee extraction cup 180. The coffee extracted is stored in the coffee server 200. An electrostatic level sensor 260 detects the liquid level of the coffee, cut off the power of the boiler, and stops the supply of hot water. <P>COPYRIGHT: (C)2007,JPO&INPIT |
