Soren Hjorth
From Graces Guide
Søren Hjorth (13 October 1801-28 August 1870) was a Danish railway pioneer and inventor.
1849 Hjorth patented various types of electro-magnetic machine (English patent 26 April 1849), which were described and illustrated in The Practical Mechanic's Journal [1]. One resembled a two-cylinder vertical oscillating engine (see illustration). Magnets or electromagnets corresponded to pistons and cylinders. The machine had a flyball governor which regulated the supply of current. The commutator was worked by an eccentric, like a slide valve.
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Sources of Information
- ↑ The Practical Mechanic's Journal, pp.59-60, pp.88-9