Patents by Inventor John Luvaas

John Luvaas 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: 8951001
    Abstract: A machine includes a boom, a stick, a bucket, and a hose arrangement. The stick is pivotally coupled to the boom. The bucket is operatively coupled to the stick and defines a pivotal axis therein. The bucket has a bowl-shaped portion for holding material on a first side and a recessed portion on a second side. The hose arrangement is coupled to the bucket and includes a first and a second manifold, and a first and a second set of hoses. The first manifold is coupled to the bucket and disposed in the recessed portion proximal to the pivotal axis. The second manifold is coupled to the bucket and disposed on the second side of the bucket. The first set of hoses is fluidly connected to the first manifold. The second set of hoses is fluidly connected to the first and second manifolds.
    Type: Grant
    Filed: September 17, 2012
    Date of Patent: February 10, 2015
    Assignee: Caterpillar Global Mining LLC
    Inventors: Christopher Matthew Lau, John Luvaas
  • Publication number: 20140075929
    Abstract: An anti-cavitation system for hydraulic equipment is provided. The anti-cavitation system includes at least one high pressure hydraulic pump, at least one secondary hydraulic pump, and a motor configured to provide power to the secondary hydraulic pump. The anti-cavitation system also includes at least one accumulator fluidly connected to the secondary hydraulic pump, at least one hydraulic manifold, a control module, and at least one anti-cavitation manifold fluidly connected to at least one accumulator, and also fluidly connected to at least one hydraulic manifold.
    Type: Application
    Filed: September 17, 2012
    Publication date: March 20, 2014
    Applicant: Caterpillar Global Mining LLC
    Inventor: John Luvaas
  • Publication number: 20140075928
    Abstract: A hydraulic manifold assembly for hydraulic equipment is provided. The hydraulic manifold assembly includes a hydraulic manifold. The hydraulic manifold includes at least four control valves substantially disposed within the hydraulic manifold, at least three check valves substantially disposed within the hydraulic manifold, at least one control module, at least one control valve fluid line, and at least one check valve line. The hydraulic manifold assembly also includes at least one hydraulic cylinder, a hydraulic tank, and at least one hydraulic pump fluidly connected to the hydraulic manifold, and also fluidly connected to the hydraulic tank.
    Type: Application
    Filed: September 17, 2012
    Publication date: March 20, 2014
    Inventors: John Luvaas, Michael Wheeler
  • Publication number: 20140079521
    Abstract: A machine includes a boom, a stick, a bucket, and a hose arrangement. The stick is pivotally coupled to the boom. The bucket is operatively coupled to the stick and defines a pivotal axis therein. The bucket has a bowl-shaped portion for holding material on a first side and a recessed portion on a second side. The hose arrangement is coupled to the bucket and includes a first and a second manifold, and a first and a second set of hoses. The first manifold is coupled to the bucket and disposed in the recessed portion proximal to the pivotal axis. The second manifold is coupled to the bucket and disposed on the second side of the bucket. The first set of hoses is fluidly connected to the first manifold. The second set of hoses is fluidly connected to the first and second manifolds.
    Type: Application
    Filed: September 17, 2012
    Publication date: March 20, 2014
    Applicant: Caterpillar Global Mining LLC
    Inventors: Christopher Matthew Lau, John Luvaas
  • Patent number: 8362629
    Abstract: Equipment having an energy management system includes an articulated arm, a work implement, an energy management system, and a hydraulic circuit. The articulated arm includes hydraulic actuators designed to maneuver the articulated arm, and the work implement is fastened to the articulated arm. The energy management system is adjustable between a first configuration and a second configuration, and includes a hydraulic rotating machine and an electric rotating machine coupled to the hydraulic rotating machine. When the energy management system is in the first configuration, the hydraulic rotating machine and the electric rotating machine function as an electric motor powering a hydraulic pump. When the energy management system is in the second configuration, the hydraulic rotating machine and the electric rotating machine function as a hydraulic motor powering an electric generator.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: January 29, 2013
    Assignee: Bucyrus International Inc.
    Inventors: Robert Weber, Joseph Helfrich, John Luvaas
  • Publication number: 20110233931
    Abstract: Equipment having an energy management system includes an articulated arm, a work implement, an energy management system, and a hydraulic circuit. The articulated arm includes hydraulic actuators designed to maneuver the articulated arm, and the work implement is fastened to the articulated arm. The energy management system is adjustable between a first configuration and a second configuration, and includes a hydraulic rotating machine and an electric rotating machine coupled to the hydraulic rotating machine. When the energy management system is in the first configuration, the hydraulic rotating machine and the electric rotating machine function as an electric motor powering a hydraulic pump. When the energy management system is in the second configuration, the hydraulic rotating machine and the electric rotating machine function as a hydraulic motor powering an electric generator.
    Type: Application
    Filed: March 23, 2010
    Publication date: September 29, 2011
    Inventors: Robert WEBER, Joseph Helfrich, John Luvaas
  • Publication number: 20070039509
    Abstract: A railway vehicle movable on a railroad track having a frame configured for movement relative to the track is provided. The vehicle includes a bulk storage container disposed on the frame and located generally at the center of gravity of the vehicle.
    Type: Application
    Filed: August 18, 2005
    Publication date: February 22, 2007
    Inventors: William Straub, Donald Noll, John Luvaas
  • Publication number: 20070039510
    Abstract: A railway anchor applicator for applying an anchor to a rail includes a frame configured for movement in a specified direction of travel along a track, and a workhead assembly movably mounted on the frame for movement toward and away from the rail. Also provided is an anchor receiving mechanism configured for movement between a first position receiving an anchor from an anchor input and a second position placing the anchor away from the anchor input. An anchor positioning mechanism moves between a retracted and extended position for positioning the anchor adjacent to the rail at either the field or gage side of the rail. An anchor clipping mechanism engages the anchor onto the rail by applying pressure on the anchor from the side of the rail and compresses the anchor between components of the anchor clipping mechanism so that compressive forces act on the anchor transversely across the rail.
    Type: Application
    Filed: August 18, 2005
    Publication date: February 22, 2007
    Inventors: Robert Claas, John Luvaas, Leary Peterson, Donald Treziak, Donald Noll
  • Publication number: 20070039511
    Abstract: A magazine for a railway anchor applicator having an anchor receiving mechanism for applying an anchor to a rail includes a chute structure. Configured for storing anchors in a sequential arrangement, the chute delivers the anchors to the anchor receiving mechanism.
    Type: Application
    Filed: August 18, 2005
    Publication date: February 22, 2007
    Inventors: Robert Claas, John Luvaas, Donald Treziak