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2. Joseph Day (inventor) - Wikipedia

   en.wikipedia.org/wiki/Joseph_Day_(inventor)

   Joseph Day (1855 – 1946) is a little-known [1] English engineer who developed the extremely widely used crankcase-compression two-stroke petrol engine, [1] [2] as used for small engines from lawnmowers to mopeds and small motorcycles.

3. Two-stroke engine - Wikipedia

   en.wikipedia.org/wiki/Two-stroke_engine

   The crankcase-scavenged engine, employing the area below the piston as a charging pump, is generally credited to Englishman Joseph Day. [ 3 ] [ 4 ] On 31 December 1879, German inventor Karl Benz produced a two-stroke gas engine, for which he received a patent in 1880 in Germany.

4. Hot-bulb engine - Wikipedia

   en.wikipedia.org/wiki/Hot-bulb_engine

   Hot-bulb engine (two-stroke). 1. Hot bulb. 2. Cylinder. 3. Piston. 4. Crankcase Old Swedish hot-bulb engine in action. The hot-bulb engine, also known as a semi-diesel [1] or Akroyd engine, is a type of internal combustion engine in which fuel ignites by coming in contact with a red-hot metal surface inside a bulb, followed by the introduction of air (oxygen) compressed into the hot-bulb ...

5. Hornsby–Akroyd oil engine - Wikipedia

   en.wikipedia.org/wiki/Hornsby–Akroyd_oil_engine

   1893 Hornsby–Akroyd oil engine at the museum of Lincolnshire life, Lincoln, England 14 hp Hornsby–Akroyd oil engine at the Great Dorset Steam Fair in 2008. The Hornsby–Akroyd oil engine, named after its inventor Herbert Akroyd Stuart and the manufacturer Richard Hornsby & Sons, was the first successful design of an internal combustion engine using heavy oil as a fuel.

6. Dugald Clerk - Wikipedia

   en.wikipedia.org/wiki/Dugald_Clerk

   [2] [3] The crucial simplification of the concept, that made possible small yet powerful two-stroke engines for mass markets, was patented by Joseph Day [3] in 1894. [2] Joseph Day, design of a three-port [9] two-stroke engine; Nash, design of a two-port [9] two-stroke engine; Robson, design of a two-stroke engine with under-piston [9] scavenge

7. Charles Burrell & Sons - Wikipedia

   en.wikipedia.org/wiki/Charles_Burrell_&_Sons

   In 1801 a Joseph Burrell was found to be advertising "Chaff Engines, Drill Rolls and Drill Machines", items of agricultural equipment, from his foundry on Kings Street Thetford. By 1805 Joseph had joined with his two brothers James and William and were advertising Threshing Machines for sale. In 1817 Charles Burrell was born.