Welding helmet configuration providing real-time fume exposure warning capability
US9750295B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2016 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Sep 30, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/12
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Welding helmets, systems, and kits providing real-time fume exposure monitoring and warning capability during an arc welding process. A welding helmet configured to protect the head of a user during a welding process is configured with an intelligent warning apparatus and an air-sampling pick-up and output port. The air-sampling pickup and output port connects to a proximal end of an air sampling tube for sampling breathable air within the welding helmet, and a distal end of the air-sampling tube connects to an air-sampling in-take port of an external aerosol monitoring device. The intelligent warning apparatus communicates with the aerosol monitoring device to receive air sample output data from the aerosol monitoring device, and to process the air sample output data to generate warning data and/or warning signals based on preset exposure level set points and/or exposure warning operating modes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.