Patents by Inventor William L. Schell

William L. Schell 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).

  • Torsional damper for a fluid pump
    Patent number: 8197230
    Abstract: A damper assembly including an input member, an output member, and a transfer assembly is disclosed. The input member is configured to receive a torsional input. The output member is configured to provide a torsional output. The transfer assembly is coupled between the input member and the output member and includes a ring, a first guide, a second guide, a first spring, and a second spring. The ring defines a first linear slide path that has a first end and a second end, and a second linear slide path that has a third end and a fourth end. The first guide is slideable within the first linear slide path and coupled to the input member. The second guide is slideable within the second linear slide path and coupled to the input member. The first spring is positioned between the first guide and the second end of the first linear slide path. The second spring is positioned between the second guide and the fourth end of the second linear slide path.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: June 12, 2012
    Assignee: Caterpillar Inc.
    Inventors: William L. Schell, Thomas A. Brosowske, Paul F. Olsen, Thomas L. Atwell
  • Thermostat assembly having integral cylinder head and thermostat housing
    Patent number: 8074611
    Abstract: A thermostat assembly for a combustion engine having at least one cylinder is disclosed. The assembly has a cylinder head configured to cap off the at least one cylinder, the cylinder head having a recess fluidly connected to a coolant passage of the combustion engine. The assembly also has a thermostat located completely within the recess.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: December 13, 2011
    Assignee: Caterpillar Inc.
    Inventors: William L. Schell, Paul F. Olsen, Michael P. Harmon, Geary W. Smith, Jr.
  • Torsional damper for a fluid pump
    Publication number: 20090160113
    Abstract: A damper assembly including an input member, an output member, and a transfer assembly is disclosed. The input member is configured to receive a torsional input. The output member is configured to provide a torsional output. The transfer assembly is coupled between the input member and the output member and includes a ring, a first guide, a second guide, a first spring, and a second spring. The ring defines a first linear slide path that has a first end and a second end, and a second linear slide path that has a third end and a fourth end. The first guide is slideable within the first linear slide path and coupled to the input member. The second guide is slideable within the second linear slide path and coupled to the input member. The first spring is positioned between the first guide and the second end of the first linear slide path. The second spring is positioned between the second guide and the fourth end of the second linear slide path.
    Type: Application
    Filed: December 3, 2008
    Publication date: June 25, 2009
    Inventors: William L. Schell, Thomas A. Brosowske, Paul F. Olsen, Thomas L. Atwell
  • Thermostat assembly having integral Cylinder head and thermostat housing
    Publication number: 20090084331
    Abstract: A thermostat assembly for a combustion engine having at least one cylinder is disclosed. The assembly has a cylinder head configured to cap off the at least one cylinder, the cylinder head having a recess fluidly connected to a coolant passage of the combustion engine. The assembly also has a thermostat located completely within the recess.
    Type: Application
    Filed: September 26, 2008
    Publication date: April 2, 2009
    Inventors: William L. Schell, Paul F. Olsen, Michael P. Harmon, Geary W. Smith, JR.
  • Engine cover
    Patent number: D584318
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: January 6, 2009
    Assignee: Caterpillar Inc.
    Inventors: Paul F. Olsen, William L. Schell, Eric J. Charles, Christine C. McKay