Graviner

Graviner is a British engineering company that makes oxygen (life support) and fire extinguishing systems for civil and military aircraft. The name is a portmanteau of gravity and interia.[1]

History

The company began in 1933.

Explosion suppression

In the 1930s, as the Graviner Manufacturing Company in Gosport, it made the Graviner Extinguisher, an explosion-suppression system, which operated to prevent fuel from catching fire in an aircraft crash. The system deployed the compound carbon tetrachloride, commonly known today as Halon.

Fire detection

In the early 1950s it made a product called Graviner Firewire which detected fires onboard aircraft.[2] The company was now based in Buckinghamshire. In July 1966 it won the contract to provide fire detection and suppression systems for Concorde. It also made fire detection systems for marine craft; it makes a well-known oil mist detector. In 1983 it provided the fire detection and suppression systems for the world land speed record car Thrust2.

In 1984 it introduced the world's first microprocessor-controlled engine fire detection system. By the 1980s, half of the world's Boeing 747s carried its technology.

In 1991 it won a contract to provide the fire detection systems for the experimental Lockheed YF-22, which subsequently evolved many years later into the Lockheed Martin F-22 Raptor, entering service with the USAF around 2006.

Nuclear energy

By the early 1960s it had a nuclear energy division.

Ownership

In the 1980s it was owned by Allegheny International. By the 1980s it was part of the same group as a similar company, Deugra, based near Düsseldorf. It was bought, with Deugra, for £24m in 1986 by RHP Group (bearings). By the late 1980s, RHP Group had become Pilgrim House Group.

The company is now part of UTC Aerospace Systems.

See also

References

  1. ↑ https://www.flightglobal.com/pdfarchive/view/1958/1958-1-%20-%200828.html
  2. ↑ Flight International 1954
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