Patents by Inventor Roberto Merelli

Roberto Merelli 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).

  • CHAIN TENSIONER
    Publication number: 20170067545
    Abstract: A number of variations may include a product including a tensioner for a vehicle engine chain comprising a piston housing body portion having a piston bore formed therein for slideably receiving a piston connected to a chain guide shoe, and a camshaft bearing support or a combustion engine cylinder block or an engine cylinder head, extending from the body portion.
    Type: Application
    Filed: February 21, 2014
    Publication date: March 9, 2017
    Applicant: BorgWarner Inc.
    Inventors: Enrico ZECCARA, Roberto MERELLI
  • Hydraulic chain tensioner with a piston having a plurality of sliding elements
    Patent number: 6244982
    Abstract: A hydraulic tensioning device for a power transmission system having a belt or a chain includes a cylinder and piston assembly of which a movable element, generally the piston, acts on the belt or chain so as to ensure that it is tensioned and thus ensures taking up of any slack in the chain or belt. The piston includes a plurality of piston elements slidable along a central axis of the cylinder.
    Type: Grant
    Filed: May 18, 1999
    Date of Patent: June 12, 2001
    Assignee: MorseTEC Europe S.p.A.
    Inventor: Roberto Merelli
  • Double strand roller chain with phased or offset pins
    Patent number: 6190278
    Abstract: A power transmission roller chain includes pin links having pins spaced by one pitch and connected to each other by plates, and bushing links or “blocks” having bushings spaced apart from each other and rigidly connected to each other by plates. Two successive pin links are connected to each other by a bushing link having the bushings rotatably mounted on the pins. At least one pin link includes a central plate provided with pins alternately protruding from opposite faces of the plate offset from each other by a fraction of a pitch.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: February 20, 2001
    Assignee: MorseTEC Europe S.P.A.
    Inventors: Roberto Merelli, Germinal Flavio Capucci, Augusto Luigi Fanzani