-
1 Bilgram, Hugo
SUBJECT AREA: Mechanical, pneumatic and hydraulic engineering[br]b. 13 January 1847 Memmingen, Bavaria, Germanyd. 27 August 1932 Moylan, Pennsylvania, USA[br]German (naturalized American) mechanical engineer, inventor of bevel-gear generator and economist.[br]Hugo Bilgram studied mechanical engineering at the Augsburg Maschinenbau Schule and graduated in 1865. He worked as a machinist and draughtsman for several firms in Germany before going to the United States in 1869.In America he first worked for L.B.Flanders Company and Southwark Foundry \& Machine Company in Philadelphia, designing instruments and machines. In the 1870s he also assisted in an evening class in drawing at The Franklin Institute. He devised the Bilgram Valve Diagram for analysing the action of steam engine slide valves and he developed a method of drawing accurate outlines of gear teeth. This led him to design a machine for cutting the teeth of gear wheels, particularly bevel wheels, which he patented in 1884. He was in charge of the American branch of Brehmer Brothers Company from 1879 and in 1884 became the sole owner of the company, which was later incorporated as the Bilgram Machine Works. He was responsible for several other inventions and developments in gear manufacture.Bilgram was a member of the Franklin Institute, the American Academy of Political and Social Science, the Philadelphia Technische Verein and the Philadelphia Engineer's Club, and was elected a member of the American Society of Mechanical Engineers in 1885. He was also an amateur botanist, keenly interested in microscopic work.[br]Principal Honours and DistinctionsFranklin Institute Elliott Cresson Gold Medal. City of Philadelphia John Scott Medal.BibliographyHugo Bilgram was granted several patents and was the author of: 1877, Slide Valve Gears.1889, Involuntary Idleness.1914, The Cause of Business Depression.1928, The Remedy for Overproduction and Unemployment.Further ReadingRobert S.Woodbury, 1958, History of the Gear-cutting Machine, Cambridge, Mass, (describes Bilgram's bevel-gear generating machine).RTS -
2 Mechanical, pneumatic and hydraulic engineering
See also: INDEX BY SUBJECT AREA[br]Clement, JosephDu ShiDu YuGongshu PanLi BingMa JunMurdock, WilliamSomerset, EdwardBiographical history of technology > Mechanical, pneumatic and hydraulic engineering
См. также в других словарях:
Memminger Brauerei — GmbH Rechtsform GmbH Gründung 1886 Sitz … Deutsch Wikipedia
Friedrich Wührer — was an Austrian German pianist. He was born June 29, 1900 in Vienna, Austria and died December 27, 1975 in Mannheim, Germany. Life Wührer studied piano with Franz Schmidt, conducting with Ferdinand Löwe, and music theory with Joseph Marx. Early… … Wikipedia
LEVY, LOUIS EDWARD — (1846–1919), U.S. chemist, inventor, communal leader, and newspaper editor. Levy, who was born in Pilsen, Bohemia, was brought to the U.S. at the age of eight. In 1875 he invented the photochemical engraving process known as Levytype, permitting… … Encyclopedia of Judaism
