Patents Assigned to Air Control Science, Inc.
  • Patent number: 6866071
    Abstract: A Dustless Stacker hood for suppressing dust generated during the stockpiling of materials such as coal. The Dustless Stacker hood receives coal from overhead chute; the received coal falls through Dustless Stacker hood to the top of a stockpile, and the Dustless Stacker hood confines dust inside Dustless Stacker hood. The dust-laden air swirls within the Dustless Stacker hood through a recirculation pipe and back to the overhead chute to enhance an agglomeration process which causes the dust particles stick together and fall to the top of stockpile.
    Type: Grant
    Filed: February 7, 2003
    Date of Patent: March 15, 2005
    Assignee: Air Control Science, Inc.
    Inventor: John S. Fischer
  • Patent number: 6634490
    Abstract: A roller bed that is inserted between idlers in a conveyor belt system. The roller bed includes a base plate that is oriented substantially parallel to said surface of said conveyor belt. A first side plate on a first side of the base plate is oriented at an angle to the surface of the conveyor belt to support a first side of conveyor belt and cause the first side of the conveyor belt to be angled upwards with respect to a plane of the surface. Small diameter rollers, very closely spaced, are affixed to a surface of the first side plate to support the conveyor belt and reduce friction between the side plate and the conveyor belt. A second side plate on a second side of the base plate is oriented at an angle to the surface of the conveyor belt to support a second side of the conveyor belt and cause the second side of the conveyor belt to be angled upwards with respect to the plane of the surface.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: October 21, 2003
    Assignee: Air Control Science, Inc.
    Inventors: John S. Fischer, Edgar Hugh Schwartz
  • Patent number: 6543607
    Abstract: A bed rail assembly apparatus that is inserted between idlers in an existing conveyor system. The bed rail assembly apparatus includes a support rail oriented substantially parallel to and beneath the conveyor belt. A first bed rail assembly on a first side of the support rail and is oriented at an angle to the horizontal surface of the conveyor belt to support a first side of conveyor belt to be inclined upwards. Small diameter, closely spaced rollers, are affixed to the inclined surface of each bed rail assembly to support the inclined side of the conveyor belt and reduce friction between the rollers and the conveyor belt. A second inclined bed rail assembly on a second side of the support rail is inclined upwards to support a second inclined side of the conveyor belt. Small diameter rollers are affixed to the inclined surface of the second bed rail assembly to incline upward a second side of the conveyor belt and to reduce friction between the second inclined bed rail assembly and the conveyor belt.
    Type: Grant
    Filed: November 28, 2001
    Date of Patent: April 8, 2003
    Assignee: Air Control Science, Inc.
    Inventors: John S. Fischer, Edgar Hugh Schwartz
  • Publication number: 20020063042
    Abstract: A roller bed that is inserted between idlers in a conveyor belt system. The roller bed includes a base plate that is oriented substantially parallel to said surface of said conveyor belt. A first side plate on a first side of the base plate is oriented at an angle to the surface of the conveyor belt to support a first side of conveyor belt and cause the first side of the conveyor belt to be angled upwards with respect to a plane of the surface. Small diameter rollers, very closely spaced, are affixed to a surface of the first side plate to support the conveyor belt and reduce friction between the side plate and the conveyor belt. A second side plate on a second side of the base plate is oriented at an angle to the surface of the conveyor belt to support a second side of the conveyor belt and cause the second side of the conveyor belt to be angled upwards with respect to the plane of the surface.
    Type: Application
    Filed: November 29, 2000
    Publication date: May 30, 2002
    Applicant: Air Control Science, Inc.
    Inventors: John S. Fischer, Edgar Hugh Schwartz
  • Patent number: 6176368
    Abstract: A system for providing passive dust control for a transfer of bulk material from a first station to a second station. A dust containment housing encloses a first station and station. A bulk material is transferred from the first station to the second station inside the dust containment housing. A region of low pressure is provided inside the dust containment housing. Air carrying suspended particles of bulk material flow from a region of high air pressure generated by the transfer of bulk material to the region of low air pressure inside the housing. The suspended particles of bulk material either remain suspended in the air inside the housing or settle out of the air into the bulk material inside the housing.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: January 23, 2001
    Assignee: Air Control Science, Inc.
    Inventors: Steven Arthur Bradbury, Garren Ewers Tooker