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Monday, May 10, 2021

Willis Carrier .. inventor of the air conditioner

From the need of society and the company that he worked for, the “Willis Carrier” invention; For air conditioners, he was not only an inventor but an entrepreneur who made an imprint in the life of the whole world.

Willis Carrer was born on November 26, 1876, in the town of “Angola”, New York, USA, to a family consisting of a father and mother. Since childhood, he was passionate about science, then he joined Cornell University, and graduated in 1901 with a BA in Engineering.

When he turned 25, Carrer introduced a thermostat and humidity control system at Sackett-Wilhelms Printing and Publishing in Brooklyn; As his first important invention; Based on temperature and humidity control, air circulation, and ventilation, as well as humidifying air and heating and cooling water; As the company was struggling with printing one color well at the time; Due to the effect of heat and humidity on paper and ink.

The first centrifugal refrigeration machine invented by Willis H. Carrier, the father of air conditioning, is pictured in this 1922 photo in Syracuse, N.Y. (AP Photo/Provided by Carrier Corporation)

Willis Carrier patented the cooling system that he invented, known as the first modern air conditioning system in the world, and then he continued his work in other refrigeration fields, and then he was appointed director of the company’s testing engineering department.

Laws and documents
In 1906 Willis Carrer discovered the “law of constant regression of the dew point”; Knowing that the constant slope of the dew point provides an almost constant relative humidity; Which made it based on the design of the automatic control system; He filed a patent suit for the design on May 17, 1907, but it was not issued until February 3, 1914.

On December 3, 1911, Carrier presented the most important document on the air conditioner at the annual meeting of the American Society of Mechanical Engineers. She related the concepts of relative humidity, absolute humidity, and dew point temperature; This enables the air conditioning systems to be designed to precisely suit the requirements.

The first home air conditioner
By 1928, the company had developed its first home air conditioner, which is called the “weather maker,” but due to its high price, only wealthy families owned it.

The company merged with “Brunswick Cruise” and “York”; To form the Carrier Corporation, Willis Carrier was appointed as its Chairman.

Obstacles and challenges
Willis Carrier faced many financial challenges; As a result of the Wall Street crash in 1929, then the economic depression of 1930, homes and stores reduced the use of air conditioning.

Willis moved his company to New York, and in 1930, he launched his business in Japan and Korea through Toyo Carrier and Samsung Application.

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World War II broke out; This led to the curtailment of the idea of ​​the “polar hut”, which the Carrier Company presented at the World’s Fair in 1939.

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