US 12,491,131 B2Granted

Sauna heating apparatus and method of heating sauna sweat room

AssigneeSaunum Group AS

InventorsAndrus Vare, Ardi Lippur, Meelis Unt, Rannar Pärn

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Abstract

An apparatus, method and computer program of heating a sauna sweat room for providing a comfortable temperature and environment in the sauna sweat room for a pleasant sauna experience. The apparatus includes a heating unit comprising a heat accumulator and a duct for collecting a hot air and a cool air and enabling the mix of the collected hot and cool air for providing homogenous temperature in the sauna sweat room. The method includes receiving the hot air heated by the heat accumulator in the at least one duct, receiving in the at least one duct the cool air, mixing the received hot air with the received cool air to obtain a mixed air stream, directing at least part of the mixed air stream towards a lower section of the sauna sweat room via the second end of the at least one duct.

Claims25

Dependent claims

An apparatus of heating a sauna sweat room, the apparatus comprising

an electrical heating unit comprising
at least one heating element,
a heat accumulator at least partially surrounding the at least one heating element and exposed to the sauna sweat room,
at least one duct connected to the electrical heating unit, the at least one duct comprising
a first end and a second end, wherein the second end is located lower than the first end,
at least one first air inlet disposed adjacent to and configured to receive at least hot air directly from the heat accumulator, the hot air having a temperature from 50° up to 170° C.,
at least one ventilator unit inside the at least one duct, the at least one ventilator unit is configured to direct at least part of the hot air heated by the heat accumulator from the at least one first air inlet towards the second end,
at least one air outlet located at the second end and configured to release at least part of the received hot air heated by the heat accumulator towards a lower section of the sauna sweat room.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/571,295Filed 16 Jun 2022
Priority: FI 2021572421 Jun 2021
Published: US 2024/0293284 A15 Sep 2024
Granted: 9 Dec 2025
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

A61H 33/063
Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths: heaters specifically designed therefor
A61H 33/067
Cabins therefor: installations for the inside of such cabins, e.g. seats
A61H 33/066
Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths: cabins therefor
A61H 2033/061
Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths: artificial hot-air baths