US 11,988,413 B2
Water heater
Thor Frölich Braathen, Eggedal (NO)
Appl. No. 17/995,944
Filed by Thor Frölich Braathen, Eggedal (NO)
PCT Filed Apr. 30, 2020, PCT No. PCT/NO2020/050112
§ 371(c)(1), (2) Date Oct. 11, 2022,
PCT Pub. No. WO2021/221512, PCT Pub. Date Nov. 4, 2021.
Prior Publication US 2023/0184462 A1, Jun. 15, 2023
Int. Cl. F24H 1/18 (2022.01); F24H 9/02 (2006.01)
CPC F24H 9/02 (2013.01) 7 Claims
OG exemplary drawing
 
1. A water heater comprising:
a tank,
an insulation blanket;
an outer shell;
the insulation blanket comprising a preformed foam assembled from at least two pieces of foam and together surrounding the tank; and
the outer shell comprising a lower part surrounding the at least two pieces of foam, wherein the at least two pieces of foam having notches extending along outer corners of the at least two pieces of foam to form channels between the at least two pieces of foam and the lower part of the outer shell, the channels extending from above the tank to a drain outlet from the lower part to conduct any leakage out of the water heater.