Patents by Inventor Muhammad Malik

Muhammad Malik 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).

  • Electromechanically actuated solenoid exhaust gas recirculation valve
    Patent number: 6422223
    Abstract: An exhaust gas recirculation valve (10) for an engine including a valve housing (14), a motor housing (12), and a sensor housing (16). The motor housing (12) has an armature (30) disposed therein that is movable to cause a valve (10) to move in relation to a valve seat (120). The outer periphery of the armature (30) is in contact with an armature bearing (66). The armature bearing (66) has an upper portion (68) in communication with a flux return (46) and a lower portion (70) in communication with a pole piece (56). One of either the flux return (46) or the pole piece (56) is located so as to reduce an air gap (200) therebetween.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: July 23, 2002
    Assignee: BorgWarner, Inc.
    Inventors: Robert Meilinger, Cathleen Grace Rutsey, Muhammad Malik
  • Electromechanically actuated solenoid exhaust gas recirculation valve
    Publication number: 20010023688
    Abstract: An exhaust gas recirculation valve (10) for an engine including a valve housing (14), a motor housing (12), and a sensor housing (16). The motor housing (12) has an armature (30) disposed therein that is moveable to cause a valve (10) to move in relation to a valve seat (120). The outer periphery of the armature (30) is in contact with an armature bearing (66). The armature bearing (66) has an upper portion (68) in communication with a flux return (46) and a lower portion (70) in communication with a pole piece (56). One of either the flux return (46) or the pole piece (56) is located so as to reduce an air gap (200) therebetween.
    Type: Application
    Filed: February 15, 2001
    Publication date: September 27, 2001
    Inventors: Robert Meilinger, Cathleen Grace Rutsey, Muhammad Malik