Patents by Inventor Alin R. Olaru

Alin R. Olaru 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).

  • Anti-rotation roller valve lifter
    Patent number: 8826874
    Abstract: A roller lifter for an internal combustion engine includes a cylindrical lifter body having a first end, a second end and a roller rotatably attached to the first end. The first end has a first diameter and the second end has a second diameter greater than the first diameter and a flat surface configured to engage a corresponding flat surface on an adjacent roller lifter and to prevent axial rotation of the roller lifter while in use. The roller lifter may further include a recess extending along a longitudinal axis from the second end toward the first end.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: September 9, 2014
    Assignee: Caterpillar Inc.
    Inventors: Ashwin A. Hattiangadi, Alin R. Olaru, Jonathan R. Chittenden, Philip C. Millward
  • Anti-rotation Roller Valve Lifter
    Publication number: 20120160195
    Abstract: A roller lifter for an internal combustion engine includes a cylindrical lifter body having a first end, a second end and a roller rotatably attached to the first end. The first end has a first diameter and the second end has a second diameter greater than the first diameter and a flat surface configured to engage a corresponding flat surface on an adjacent roller lifter and to prevent axial rotation of the roller lifter while in use. The roller lifter may further include a recess extending along a longitudinal axis from the second end toward the first end.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 28, 2012
    Applicant: Caterpillar Inc.
    Inventors: Ashwin A. Hattiangadi, Alin R. Olaru, Jonathan R. Chittenden, Philip C. Millward