Friedrich Sass
Personal details
Born(1883-01-06)6 January 1883
Koldenbüttel, Schleswig, German empire
Died26 February 1968(1968-02-26) (aged 85)
West-Berlin, Berlin, West Germany
NationalityGerman
Education
  • Gymnasium Schleswig
  • TU München
  • TU Berlin
Known for
  • Marine Diesel engines with direct (air-blast-less) injection
  • Geschichte des deutschen Verbrennungsmotorenbaus von 1860 bis 1918
AwardsGoldene Ehrennadel der Schiffbautechnischen Gesellschaft
Scientific career
Fields

Friedrich Sass (6 January 1883 – 26 February 1968) was a German engineer, university professor and historian.

Life and career

Friedrich Sass was born in Koldenbüttel and attended the Gymnasium (grammar school) in Schleswig. He studied mechanical engineering at the Technical University of Munich, and marine engineering at the Technical University of Berlin. After graduating from TU Berlin, Sass worked as a steam turbine designer at AEG from 1908. During World War I, Sass became the head of AEG's Diesel engine department, where he designed the double-acting piston two-stroke Diesel engine with air-blast-less, direct fuel injection; initially, it was intended for submarine use.[1] In the 1920s, Sass continued his work on direct fuel injection systems; he was the first engineer to study the relation between the diameter of a fuel spray at the point of injection, and its cylinder intrusion.[2] In 1940, Sass stopped working for AEG.[3]

From 1927, Sass had been an untenured professor at TU Berlin, where he gave a lecture on direct-injected Diesel engines. In 1946, he became a tenured professor for Diesel engine design; on 31 March 1953, he was given emeritus status. From 1935 until 1952, Sass was a member of Germanischer Lloyd's board of directors.[1]

On 2 April 1935, Sass obtained a patent on "Regulation means for internal combustion engines with injection without air and variable speed" US 1996710  that he had filed on 28 August 1929; [4] it has four claims.[5]

In 1949, Friedrich Sass founded the scientific journal “Konstruktion”, of which he had been the editor until 1963.[6] In 1962, Springer published Sass's work “Geschichte des deutschen Verbrennungsmotorenbaus von 1860 bis 1918”, which is considered the most important scientific work on the history of the internal combustion engine.[7]

Works

  • Friedrich Sass, Charles Bouche: Dubbel: Taschenbuch für den Maschinenbau 11th edition, Springer, Berlin 1953, ISBN 978-3-662-41642-6
  • Friedrich Sass, Charles Bouche: Dubbel: Taschenbuch für den Maschinenbau 12th edition, Springer, Berlin 1963, ISBN 978-3-662-38089-5
  • Friedrich Sass: Bau und Betrieb von Dieselmaschinen: Ein Lehrbuch für Studierende. Erster Band: Grundlagen und Maschinenelemente, 2nd edition, Springer, Berlin/Heidelberg 1948, ISBN 978-3-662-00419-7
  • Friedrich Sass: Bau und Betrieb von Dieselmaschinen Ein Lehrbuch für Studierende: Zweiter Band: Die Maschinen und Ihr Betrieb, 2nd edition, Springer, Berlin/Heidelberg 1957, ISBN 978-3-662-01637-4
  • Friedrich Sass: Geschichte des deutschen Verbrennungsmotorenbaus von 1860 bis 1918, Springer, Berlin/Heidelberg 1962, ISBN 978-3-662-11843-6

References

  1. 1 2 Schiffbautechnische Gesellschaft (ed.): Jahrbuch der Schiffbautechnischen Gesellschaft, Volume 62, Springer, Berlin/Heidelberg 1968, p. 395
  2. ↑ Hans Christian Graf von Seherr-Thoß (auth.): Die Technik des MAN Nutzfahrzeugbaus. In: MAN Nutzfahrzeuge AG (ed.): Leistung und Weg: Zur Geschichte des MAN Nutzfahrzeugbaus. Springer, Berlin/Heidelberg 1991. ISBN 978-3-642-93490-2. p. 471
  3. ↑ Hans Christian Graf von Seherr-Thoß (auth.): Die Technik des MAN Nutzfahrzeugbaus. In: MAN Nutzfahrzeuge AG (ed.): Leistung und Weg: Zur Geschichte des MAN Nutzfahrzeugbaus. Springer, Berlin/Heidelberg 1991. ISBN 978-3-642-93490-2. p. 443
  4. ↑ Regulation means for internal combustion engines with injection without air and variable speed – US Patent 1996710
  5. ↑ Official Gazette of the United States Patent Office, Volume 453, 1935, p. 185
  6. ↑ Heinz Götze: Springer-Verlag: History of a Scientific Publishing House: Part 2: 1945 - 1992. Rebuilding - Opening Frontiers - Securing the Future. Translated by Mary Schäfer, Springer, Berlin/Heidelberg/New York 2008, ISBN 9783540928881, p. 37
  7. ↑ Reinhard Seiffert: Die Ära Gottlieb Daimlers: Neue Perspektiven zur Frühgeschichte des Automobils und seiner Technik, Springer, Wiesbaden 2010, ISBN 9783531918891, p. 72: „Es handelt sich hier nicht um eine private Meinungsäußerung, sondern um das wichtigste, mit dem Anspruch wissenschaftlicher Autoriät verfasste und herausgegebene Werk zur Geschichte der Verbrennungsmotoren.“
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