Patents by Inventor Chris Swaby

Chris Swaby 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).

  • Balancer shaft assembly
    Patent number: 6752117
    Abstract: A balancer shaft assembly for an engine comprises a housing mountable on the engine block, and rotatably supporting at least one balancer shaft (16,18; 16′,18′) connectable for rotation with the engine crankshaft. The housing is formed in two parts (12,14; 12′,14′) and defines pillar blocks (30) for journalling the or each balancer shaft (16,18; 16′,18′). A groove (28; 28′) is formed in the split plane of at least one of the two mating parts (12; 12′) of the housing, which groove (28; 28′) when the parts (12,14; 12′,14′) are mated to one another defines an oil gallery by way of which lubricant is supplied to the pillar blocks (30) supporting the or each balancer shaft (16,18; 16′,18′).
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: June 22, 2004
    Assignees: Cummins Engine Company, Ltd., Iveco (UK) Ltd., New Holland UK, Ltd.
    Inventors: John Jerl Purcell, Richard Kettle, Chris Swaby
  • Balancer shaft assembly
    Publication number: 20030106518
    Abstract: A balancer shaft assembly for an engine comprises a housing mountable on the engine block, and rotatably supporting at least one balancer shaft (16,18; 16′,18′) connectable for rotation with the engine crankshaft. The housing is formed in two parts (12,14; 12′,14′) and defines pillar blocks (30) for journalling the or each balancer shaft (16,18; 16′,18′). A groove (28; 28′) is formed in the split plane of at least one of the two mating parts (12; 12′) of the housing, which groove (28; 28′) when the parts (12,14; 12′,14′) are mated to one another defines an oil gallery by way of which lubricant is supplied to the pillar blocks (30) supporting the or each balancer shaft (16,18; 16′,18′).
    Type: Application
    Filed: July 26, 2002
    Publication date: June 12, 2003
    Inventors: John Jerl Purcell, Richard Kettle, Chris Swaby