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A radiator is a device that transfers heat to a medium primarily through thermal radiation.In practice, the term radiator is often applied to any number of devices in which a fluid circulates through exposed pipes (often with fins or other means of increasing surface area), notwithstanding that such devices tend to transfer heat mainly by convection and might logically be called convectors.
U.S. patent D132,182 was issued on April 28, 1942 – Design for air conditioning unit. U.S. patent 2,336,735 was issued on December 14, 1943 – Removable cooling units for compartments. U.S. patent 2,337,164 was issued on December 21, 1943 – Means for automatically stopping and starting gas engines.
It consisted of a new style of heat exchanger in a sheet metal cabinet—a highly efficient, lightweight replacement for the bulky, slow-responding castiron radiator. In 1931, The Trane Company developed its first air conditioning unit, the Trane unit cooler, and in 1938 its first centrifugal refrigeration machine, the Turbovac.
According to local sources, it was the first in the United States to have electric air conditioning using freon. [24] Ridgeleigh Terrace was the home of his son, Eugene, until his death. Eugene's wife, Virginia, lived in the house for many years, restoring and redecorating it. In the late 1990s, the house largely destroyed in a fire, and was ...
The Roman hypocaust is an early example of a type of radiator for building space heating. Franz San Galli, a Prussian-born Russian businessman living in St. Petersburg, is credited with inventing the heating radiator around 1855, [1] [2] having received a radiator patent in 1857, [3] but American Joseph Nason and Scot Rory Gregor developed a primitive radiator in 1841 [4] and received a number ...
Currently used in residential and commercial air-conditioners and heat pumps. R-134a HFC-134a CH 2 FCF 3: 1,1,1,2-Tetrafluoroethane: 3790 1550 Widely used Most used in 2020 for hydronic heat pumps in Europe and the United States in spite of high GWP. [58] Commonly used in automotive air conditioners prior to phase out which began in 2012. R-410A
However, before air conditioning existed, people had to be creative when trying to stay comfortable in sweltering conditions. Here are five different ways people across the United States beat the ...
In addition to manufacturing room air conditioners, Frigidaire also provided the factory air conditioning systems for General Motors (GM) automobiles. From the 1950s through the 1970s, these units developed a reputation for providing powerful air conditioning systems on virtually all GM cars and trucks from the largest Cadillacs to the small ...