Patents by Inventor Ponraj Balasundaram

Ponraj Balasundaram 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).

  • Filter for fuel injection systems
    Patent number: 10267281
    Abstract: A filter for a fuel injection system includes a body that defines a longitudinal axis, a first end face, a second end, an outer surface extending between the first end face and the second end, an inner surface defining an inner chamber closed at the first end face and open at the second end. The body also defines at least one perforated portion formed in the outer surface extending from the outer surface to the inner surface, at least one slot extending axially along the outer surface. The slot is open and is in fluid communication with the first end face and defines an edge along the outer surface. The edge provides fluid communication between the slot and the perforated portion. Additionally, the edge and an inlet channel of the fuel injection system are adapted to define a first filtration zone. The perforated portion defines a second filtration zone.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: April 23, 2019
    Assignee: Caterpillar Inc.
    Inventors: Siddharth Nair, Manjunath Bannur Nagaraja, Ramshankar Muthukumar, Ponraj Balasundaram
  • FILTER FOR FUEL INJECTION SYSTEMS
    Publication number: 20180291853
    Abstract: A filter for a fuel injection system includes a body that defines a longitudinal axis, a first end face, a second end, an outer surface extending between the first end face and the second end, an inner surface defining an inner chamber closed at the first end face and open at the second end. The body also defines at least one perforated portion formed in the outer surface extending from the outer surface to the inner surface, at least one slot extending axially along the outer surface. The slot is open and is in fluid communication with the first end face and defines an edge along the outer surface. The edge provides fluid communication between the slot and the perforated portion. Additionally, the edge and an inlet channel of the fuel injection system are adapted to define a first filtration zone. The perforated portion defines a second filtration zone.
    Type: Application
    Filed: April 10, 2017
    Publication date: October 11, 2018
    Applicant: Caterpillar Inc.
    Inventors: Siddharth Nair, Manjunath Bannur Nagaraja, Ramshankar Muthukumar, Ponraj Balasundaram