Grace's Guide To British Industrial History

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Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,711 pages of information and 247,105 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

Charles Edouard Henriod

From Graces Guide
Revision as of 20:32, 6 December 2019 by JohnD (talk | contribs)

Swiss automobile pioneer. He held numerous patents.

See Henriod.

1909 C. E. Henriod took out a US patent for vehicle transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears [1]

1912 Darraq-Henriod rotary valve engine. "In 1912 the firm succumbed to the vogue for abolition of the poppet valve with a near disastrous range of rotary valved cars under Henriod patents."[2]

See Also

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Sources of Information

  1. ↑ [1] Transmission gearing patent
  2. ↑ [2] Douglas Self's website: Rotary-Valve Internal Combustion Engines
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