Hidde Klaas Schrage
Hidde Klaas Schrage (born February 15, 1883 in Usquert , Eemsmond municipality , † November 24, 1952 in Zurich ) was a Dutch mechanical engineer at AEG in Berlin, Stockholm, Paris and Baden.
He developed the Schrage motor , an alternating current commutator motor , the speed of which could be changed by changing the position of the brushes.
family
His parents were Hendrik Schrage (* 1853 in Nieuwolda ) and Hilje, geb. Westerdijk (* 1857 in Uithuizen ). In March 1924 he married Anna Elisabeth de Haas (* 1890 in Ophemert). In 1927 their son Hendrik Hidde Schrage was born.
Web links
- Description of the Schrage engine (1942, Eidgenössische Technische Hochschule Zürich ; PDF file; 3.55 MB)
Individual evidence
- ^ [1] Practical Variable Speed Drives and Power
- ↑ PDF file at assurantieadviseurs.net in Dutch ( Memento from May 8, 2007 in the Internet Archive )
| personal data | |
|---|---|
| SURNAME | Schrage, Hidde Klaas |
| BRIEF DESCRIPTION | Dutch mechanical engineer |
| DATE OF BIRTH | February 15, 1883 |
| PLACE OF BIRTH | Usquert , Eemsmond Municipality , Netherlands |
| DATE OF DEATH | November 24, 1952 |
| Place of death | Zurich |