Patents by Inventor Simon Jan Broersen

Simon Jan Broersen 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).

  • Actuator having compact gear reduction
    Patent number: 6763918
    Abstract: A screw actuator comprises a housing (1), a nut (A) and a screw (16) one of which is axially fixed with respect to the housing and the other of which is axially displaceable with respect to the housing for moving an actuating head, as well as a motor (2) which comprises a stator (6) connected to the housing, and a rotor (7). The rotor (7) of the motor is supported rotatably on a sleeve (8), said sleeve has an inwardly directed flange (21), which carries an excentric hub (23). The excentric hub (23) rotatably supports a gear wheel (24) through bearing (30), the outer teeth of which gear wheel (24) engage the inwardly directed teeth of the ring gear (25). The ring gear (25) is driving screw (16) which is rotatably supported in the housing (1). The nut (17) of the screw mechanism (4) is slidably, but not rotatably with respect to the housing.
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: July 20, 2004
    Assignee: SKF Engineering & Research Centre B.V.
    Inventors: Hendrikus Jan Kapaan, Jacobus Zwarts, Simon Jan Broersen