Patent ID: 8581155
Filing Date: 2013-11-12
Classification: F24H

Abstract:
1. A water heating apparatus for use with a wash basin on an aircraft, the apparatus comprising: a tube made of good heat conductive material, said tube comprising a plurality of coils with each coil engaging or being close to an adjacent coil; an electric heater extending along a substantial length of said tube in good heat conductive relation with the tube, said heater being positioned exterior to said tube such that deposits do not form on said heater, said heater comprising coils with each heater coil being adjacent a pair of adjacent tube coils but not encircling an axis of said tube; and said substantial length of said tube defining a volume of less than that required to contain approximately 14 ounces of water such that a user on the aircraft can obtain a supply of heated water having a volume of less than approximately 14 ounces before the water heater begins heating a new supply of heated water.