Category:Birger Ljungström

**Birger Ljungström**
	Swedish engineer, manufacturer and inventor (1872–1948)
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Date of birth	4 June 1872; Uddevalla
Date of death	17 November 1948; Oscar Parish
Place of burial	Norra begravningsplatsen (59°21′37.98″N 18°1′35.26″E, Kvarter 19D, gravnummer 84, 1948);
Country of citizenship	Sweden;
Educated at	Royal Institute of Technology;
Occupation	mechanical engineer; industrial leader; inventor; businessman; engineer;
Member of	Royal Swedish Academy of Engineering Sciences;
Field of work	engineer's degree;
Father	Jonas Patrik Ljungström;
Sibling	Fredrik Ljungström; Oscar Ljungström; Georg Ljungström;
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	Q724386; VIAF ID: 1139163335710403270002; GND ID: 1242065539; KulturNav-ID: 89af0d29-d67d-4331-a154-225590d5aabb
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Birger Ljungström (1872–1948) was a Swedish engineer, inventor and industrialist. Together with his younger brother Fredrik Ljungström (1875-1964), they invented the Ljungström the double steam turbine to drive large three-phase electric generators, and founded the company STAL in Finspång, Sweden. In 1918 they designed steam turbine engines to drive large locomotives that could replace the older design of steam piston engines.