Patents by Inventor Sten Mortensen

Sten Mortensen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8100690
    Abstract: Described is a method as well as a cooler (1) for cooling hot particulate material which has been the subject of heat treatment in an industrial furnace, such as a rotary kiln (3) for manufacturing cement clinker, by which method the hot material from the kiln (3) is directed to an inlet grate (21) in the cooler (1), in which cooling air from an underlying compartment (24) is led via a number of channels (28) through gaps (20) in the inlet grate for cooling the hot material and where compressed air from a separate system (25) via a number of ducts (26) can be intermittently injected into the material on the inlet grate (21). The channels (28) for cooling air are blanked off in connection with the injection of compressed air.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: January 24, 2012
    Assignee: Flsmidth A/S
    Inventors: Sten Mortensen, Mogens Juhl Föns
  • Publication number: 20080283226
    Abstract: Described is method as well as a cooler (1) for cooling hot particulate material which has been the subject of heat treatment in an industrial furnace, such as a rotary kiln (3) for manufacturing cement clinker, by which method the hot material from the kiln (3) is directed to an inlet grate (21) in the cooler (1), in which cooling air from an underlying compartment (24) is led via a number of channels (28) through gaps (20) in the inlet grate for cooling the hot material and where compressed air from a separate system (25) via a number of ducts (26) can be intermittently injected into the material on the inlet grate (21). The channels (28) for cooling air are blanked off in connection with the injection of compressed air.
    Type: Application
    Filed: June 10, 2005
    Publication date: November 20, 2008
    Inventors: Sten Mortensen, Mogens Juhl Fons
  • Patent number: 4492040
    Abstract: A fluid bed dryer comprises a pre-dryer of the back mixed type and a post-dryer of the plug flow-type. In the pre-dryer the main part of heat is transferred to the product being dried by means of heating panels arranged above the bed plate. A control bed is interposed between the pre-dryer and the post-dryer and includes one or more temperature sensors for sensing the temperature of the product in the control bed. Heat supply to the heating panels is controlled in response to the temperature sensed by the sensor or sensors in order to maintain the product temperature in the pre-dryer at the dew point and so as to ensure that the drying process proceeds within the region of constant drying rate, and that the product contains little or substantially no unbound moisture despite possible changes in product fed to the pre-dryer.
    Type: Grant
    Filed: November 18, 1981
    Date of Patent: January 8, 1985
    Assignee: A/S Niro Atomizer
    Inventors: Uffe L. Jensen, Sten Mortensen
  • Patent number: 4440866
    Abstract: A process for producing high strength sintered bauxite spheres usable as fracture propping agents in oil or gas wells are produced by continuous spray-granulation of an aqueous binder-containing aluminous ore suspension to form granules which are subsequently sintered. Suitable starting materials include ores of high aluminum silicate content.
    Type: Grant
    Filed: October 28, 1982
    Date of Patent: April 3, 1984
    Assignee: A/S Niro Atomizer
    Inventors: Eugene P. Lunghofer, Sten Mortensen, Aubrey P. Ward