When and where was Oliver Evans born?
Oliver Evans was born on the 13th of September 1755 in Newport, Delaware. He grew up as the fifth child among twelve siblings on a farm near Red Clay Creek.
Questions about Oliver Evans
Short answers, pulled from the story.
What did Oliver Evans invent to automate grain processing mills?
Oliver Evans invented bucket elevators and a device called the hopper boy to create the first fully automated industrial process in history. His mechanical rake cooled and dried flour while moving it toward central chutes without manual handling by 1790.
How did Oliver Evans contribute to the development of steam engines and automobiles?
Oliver Evans built the Oruktor Amphibolos which served as the first automobile in the United States and the world's first motorized amphibious craft. He drove this vessel through Philadelphia streets in 1805 before launching it into the Schuylkill River with a high-pressure steam engine.
What theoretical framework for refrigeration did Oliver Evans develop?
Oliver Evans described drawing a vacuum on water to reduce its boiling point and identified all major components of vapor-compression refrigeration including an expander cooling coil compressor and condenser. Although he never built a working model his concepts were later used by Jacob Perkins who received patents in 1834 and 1835.
Why did Oliver Evans face legal battles and reputation damage during his lifetime?
Oliver Evans engaged in aggressive royalty collection efforts after Congress extended his expired flour-mill patent for another fourteen years in January 1808. These actions led to lawsuits such as his 1809 suit against Samuel Robinson and left him isolated from former peers despite winning jury verdicts.
When and how did Oliver Evans die and what happened to his legacy?
Oliver Evans died on the 15th of April 1819 in New York following a month-long illness involving inflammation of the lungs. He was buried at Zion Episcopal Church near Manhattan before his remains were moved multiple times until finally resting in an unmarked common grave at Trinity Cemetery in 1890.