Auguste Denayrouze
French engineer and sailor (1837-1883) · France · On the map · Scientists · Died at 46
August Denayrouze was a French engineer and inventor. He was the inventor of a demand valve for control of breathing air supply, and one of the inventors of a diving suit, along with Benoît Rouquayrol.
Auguste Denayrouze is read about 6 times a day, in 6 languages.
A typical day, 30 days to 11 July 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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Media & music
![A Rouquayrol-Denayrouze diving apparatus, in which air is pumped from the surface into a barrel-shaped reservoir, and then passes through the pressure-regulator built into the helmet.[2]](https://upload.wikimedia.org/wikipedia/commons/thumb/0/09/Dykeri%2C_fig_6%2C_Nordisk_familjebok.png/500px-Dykeri%2C_fig_6%2C_Nordisk_familjebok.png)
Awards
About this person
Country
France
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1837 to 1883 · aged 46
