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Heat Control Devices of the Past
2017 Nov 23
Criada
Eric Wang
⟶ Atualizado 24 nov 2017 ⟶
List of edits
Comentários
Eventos
Rounded blades began to appear
Emerson Electric introduced the silver swan
Philip Diehl patented the ceiling fan
Air Conditioning was invented by Willis Carrier, which decreased the popularity of fans
Fans with more than 2 blades were produced
Oscillating Fans began to appear
Períodos
Fans were made for residential use.
WWII, Fan makers stopped production so resources could be used on the war
Schyular Skaats Wheeler invented the first electric fan. It had two blades, powered by an electric motor
Fans with overlapping blades were invented
During WWI, fans were hard to make due to brass shortages from ammunition production
