Infrared sauna
US7142779B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Mar 3, 2004 |
| Grant date | Nov 28, 2006 |
| Priority date | — |
| Expiry date | Mar 3, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2201/10
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A portable compact sauna wherein a user's body is warmed to sweating primarily by direct absorption of infrared radiation. Broad infrared radiation emitters or sources are placed around the inside of a narrow cabinet so as to be in close proximity to various parts of a seated user. Fins spaced apart less than finger-width on the emitters protect the user from contact with elevated temperatures in the emitters. The emitters, which lend themselves to easy cleaning, are heated by electric infrared heaters having a unique design which eliminates extremely-low-frequency (ELF) electromagnetic field (EMF) normally generated by AC energized electrical heater elements, to provide low extremely-low frequency EMF saunas able to utilize conventional-commercial electrical-energy sources. The emitters protect the heaters. Power wires for the heaters are arranged for low ELF EMF emission, too.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.