1920
Frederik Ljungström of AB Ljungström Ǻngturbin (ALǺ) in Stockholm, Sweden invents and patents the Ljungström® Air Preheater
1922
The first commercial ‘land’ boiler installation of a Ljungström® Air Preheater by ALǺ is installed in a chocolate factory in Stockholm, Sweden
1923
ALǺ’s first installation in USA was manufactured in Wellsville for installation at the International Paper Company of Niagara Falls, New York, USA
1923
The first element profile sheet pair using undulated sheets was introduced – the Ljungström® NU (Notched Undulated)
1927
Gadelius becomes a licensee of ALǺ and starts manufacturing air preheaters in Kobe, Japan
1933
The USA great depression lead ALǺ to sell Air Preheater Corporation (APC) to the Superheater Company of America
1934
Kraftanlagen Aktiengesellschaft in Heidelberg, Germany becomes a licensee of ALǺ
1941
The start of World War II changed normal business. Air Preheater Corporation (APC) in the USA supported the fabrication of boiler casings for Liberty ships, cargo vessels, aircraft carriers and destroyers – for a total of 1,500 steam generating units for the U.S. Maritime Commission
1943
Air Preheater Corporation (APC) was presented the U.S. Maritime “M” award in recognition of outstanding achievement in the Commission’s shipbuilding program during WWII
1948
Air Preheater Corporation (APC) and The Superheater Company merged with Combustion Engineering Company, Inc. (CE)
1957
The Ljungström® NF6 and Ljungström® NF3.5 profiles were introduced
1957
Howden becomes a licensee of Air Preheater Company for V and H Ljungström® technology which was to last through to late 1990s
1959
The Ljungström® DU (Double Undulated) and Ljungström® CU (Corrugated Undulated) profiles were introduced
1962
Air Preheater Corporation introduced the Ljungström® 2.78DU element, now more commonly known as DU3f and HS7
1962
Air Preheater Corporation uses the first enamel coated heating element used on an Ljungström® Air Preheaters
1965
On February 24th APC changed its name to Air Preheater Company Inc.
1965
První Brněnská Strojírna (PBS) in Czech Republic becomes a licensee
1965
A total of 10,000 Ljungström® Air Preheaters are now delivered around the world
1967
Stein Industrie in France becomes a licensee of SRM
1969
Air Preheater Company introduced the first Tri-sector Ljungstrom® Air Preheater
1974
Air Preheater Company introduced the first Modular rotor design
1976
Air Preheater Company installs the World’s 1st Ljungström® FGD GGH for a sintering furnace of Nippon Kokan, Japan
1977
Air Preheater Equipamentos Ltd was established in Brazil
1979
Air Preheater Company installs 1st commercial Ljungstrom® GGH for a Utility Power Plant to Chugoku EPCo in Shimonoseki, Japan
1980
Air Preheater Company sign a 15-year license with China Machine Building International Corporation (CMIC) and China National Electrical Equipment Corporation (CNEEC)
1981
The Harbin, Dong Fang, and Shanghai boiler companies start to use the Ljungström® Air Preheater design on domestic boiler installations
1982
1st German Ljungström® FGD GGH went into operation in Wilhelmshavan Power Plant
1982
The Ljungström FNC® heating element were introduced
1985
1st high dust Ljungström® SCR GGH in the world is installed by Kraftanlagen in Germany
1988
Asea Brown Boveri Ltd. (ABB) acquires the power business of Gadelius K.K.
1990
ABB acquires Air Preheater Company and Combustion Engineering, Inc. and ABB Air Preheater Inc. was formed
1992
The power business of Gadelius K.K. renamed to ABB Gadelius K.K.
1994
ABB Air Preheater Inc. granted its 1st Ljungström® air preheater patent in China
1994
The Ljungström® APH becomes the 44th International Historical Mechanical Engineering Landmark by the American Society of Mechanical Engineers (ASME)
1995
ABB acquire the air preheater business of Kraftanlagen Abgastechnik GmbH, in Bammental, Germany
1997
ABB Air Preheater Inc. acquire all intellectual property rights and assets to the Ljungström® Air Preheater technology from SRM in Sweden
1997
The Ljungström DNF® and Ljungström DUN™ advanced heating element profiles were introduced
1997
Environmental retrofits of SCR systems begin in USA
1998
Harbin Boiler Company Ltd sign a new 10-year license
2000
ALSTOM acquire sole ownership of the ABB Power business
2004
Delivery begins of 26 Ljungström® APHs on 13 boilers at the 5,200MW Shoaiba Power Plant in Saudi Arabia
2009
The oldest known operating Ljungström® Air Preheater is retired after 83 years of operation at the Fitchburg Paper Company in Massachusetts, USA
2011
Over 15,000 Ljungström® APH & Ljungström® GGH have been installed worldwide, including those by licensees, establishing a 300% larger installed base than any other supplier
2011
ALSTOM establishes an air preheater office in Delhi, India and a new manufacturing facility in Shahabad, India
2012
ALSTOM installs 4 of the world’s largest size 36 tail-end Ljungström® SCR GGH at the 1135MW Oak Creek power plant in USA
2014
LJUNGSTRÖM®, as a division of ARVOS Group, separates from ALSTOM
2016
Ljungström® DN8™ Heating Element were introduced
2017
Ljungström® TF4™ Heating Element were introduced
2017
LJUNGSTRÖM® opens a new office in Poland
2018
LJUNGSTRÖM® expands into new advanced manufacturing factories in Chennai, India and Nantong, China and opens new offices in Australia