Historydraft LogoHistorydraft Logo HistorydraftbetaHistorydraft Logo Historydraftbeta

  • Angola, New York, U.S.
    Sunday Nov 26, 1876

    Birth

    Angola, New York, U.S.
    Sunday Nov 26, 1876

    Willis Carrier was born on November 26, 1876, in Angola, New York.




  • Ithaca, New York, U.S.
    1901

    Graduated

    Ithaca, New York, U.S.
    1901

    He studied at Cornell University, graduating in 1901 with a BSE (Bachelor of Engineering) degree.




  • Buffalo, New York, U.S.
    Thursday Jul 17, 1902

    First modern air conditioning system

    Buffalo, New York, U.S.
    Thursday Jul 17, 1902

    In Buffalo, New York, on July 17, 1902, in response to an air quality problem experienced at the Sackett-Wilhelms Lithographing & Publishing Company of Brooklyn, Willis Carrier submitted drawings for what became recognized as the world's first modern air conditioning system.




  • U.S.
    Tuesday Jan 02, 1906

    Apparatus for Treating Air

    U.S.
    Tuesday Jan 02, 1906

    On January 2, 1906, Carrier was granted U.S. Patent 808,897 for an Apparatus for Treating Air, the world's first spray-type air conditioning equipment. It was designed to humidify or dehumidify air, heating water for the first function and cooling it for the second.




  • U.S.
    Friday May 17, 1907

    Law of constant dew-point depression

    U.S.
    Friday May 17, 1907

    In 1906 Carrier discovered that "constant dew-point depression provided practically constant relative humidity," which later became known among air conditioning engineers as the "law of constant dew-point depression". On this discovery he based the design of an automatic control system, for which he filed a patent claim on May 17, 1907. U.S. Patent 1,085,971 was issued on February 3, 1914.




  • U.S.
    Sunday Dec 03, 1911

    Rational Psychrometric Formulae

    U.S.
    Sunday Dec 03, 1911

    On December 3, 1911, Carrier presented what is perhaps the most significant document ever prepared on air conditioning – Rational Psychrometric Formulae – at the annual meeting of the American Society of Mechanical Engineers. It became known as the "Magna Carta of Psychrometrics".




  • New York, U.S.
    Saturday Jun 26, 1915

    Carrier Engineering Corporation

    New York, U.S.
    Saturday Jun 26, 1915

    With the onset of World War I in late 1914, the Buffalo Forge Company, where Carrier had been employed for 12 years, decided to confine its activities entirely to manufacturing. The result was that seven young engineers pooled together their life savings of $32,600 to form the Carrier Engineering Corporation in New York on June 26, 1915.


  • New York, U.S.
    Saturday Oct 07, 1950

    Death

    New York, U.S.
    Saturday Oct 07, 1950

    Willis Carrier died in 7 October 1950.


<