
Aqua-Lung, which was the first self-contained open-circuit underwater breathing system, has gained international fame and commercial success. This equipment is also known as the twin-hose diving regulator or demand valve. Aqua-Lung's breathing apparatus works in a similar way to a traditional scuba tank. The regulator is connected to a demand valve, which regulates the flow of air in and out of the lungs.
Jacques Cousteau
Jacques Cousteau's aqua lung - A fascinating tale in Scuba Technology! The invention of the original Aqua-Lung occurred during World War II. Cousteau, a French national, developed the underwater breathing apparatus in 1943. His inspiration was Captain Yves Le Prieur's 1925 device. While the Aqua-Lung was initially a limited-functioning device, the Germans requisitioned automobile gas to use on the battlefield. Cousteau, using an existing regulator, developed the Aqua lung and invented the autonomous diving device.

Cousteau discovered underwater archeology after advancing scuba tech. He led the first expedition to use self-contained diving equipment and recovered the Roman wreck Mahdia. He converted an old British minesweeper into a research vessel for oceanographic studies the next year. Unfortunately, he was unable raise the funds to fund the expeditions. He eventually converted his passion for diving into The Silent World which became a popular film.
Aqua-Lung has been the most important innovation in diving. It was invented by Jacques Cousteau (in 1959) and has allowed divers freedom of movement under water. The Aqua-Lung has become a staple for many people, and Cousteau helped develop many other tools for oceanographic exploration. Cousteau invented the first underwater cam in 1959. There's no question that Cousteau's innovations revolutionized the sport of scuba diving.
Emile Gagnan
1945: Emile Gagnan (Jacques Yves Cousteau) and Emile Gaugnan (Emile Gagnan) patent the Aqua-Lung diving regulation. Aire Liquide was a French company that purchased the right to manufacture the regulator. It was later sold to the U.S. Divers Corporation. It was the latest development of the French CG45 regulator and was assembled in Canada. This regulator was extremely successful.
Initially, the Aqua-lung was called Aqua-lung. It was first sold in France in 1946. In 1952, it was imported to the U.S. In 1958, Air Liquide purchased U.S. The company was renamed Aqua Lung America after it acquired U.S. Divers. Air Liquide later acquired the company and made it the largest diving company worldwide. Aqua-lung is now a key component in almost every set of Scuba gear.

The Aqua-Lung was invented by two Frenchmen: Emile Gagnan and Jacques Cousteau. Both men served as spies during World War II for the French Resistance. After the war, Robert Ballard continued to pursue his interest in the sea. Emile Gagnan (a Frenchman who was working with L'Air Liquide) became his companion. They learned high-pressure pneumatic design as engineers. Gagnan's original idea evolved into the Aqua-Lung, a fully-automated compressed air scuba system.