Patents by Inventor Ronald Eduard Henri Van Der Heijde

Ronald Eduard Henri Van Der Heijde 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).

  • Belt-and-pulley-type continuously variable transmission
    Patent number: 9371902
    Abstract: Continuously variable transmission with a drive belt (3) and with two pulleys (1, 2) that are each provided with two pulley discs (4, 5) with a running surface (8) for arriving in friction contact with a side face (35) of the drive belt (3), wherein both the running surfaces (8) of the pulleys (1, 2) and the side face (35) of the drive belt (3) are made of steel and wherein during operation of the transmission the friction contact is cooled by lubrication oil. At least one of the running surfaces (8) is provided with a multitude of (micron-scale) dimples (11, 13) and/or of grooves (12, 14, 15) arranged in a specific pattern for taking up lubrication oil.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: June 21, 2016
    Assignee: ROBERT BOSCH GMBH
    Inventor: Ronald Eduard Henri Van Der Heijde
  • BELT-AND-PULLEY-TYPE CONTINUOUSLY VARIABLE TRANSMISSION
    Publication number: 20150080158
    Abstract: Continuously variable transmission with a drive belt (3) and with two pulleys (1, 2) that are each provided with two pulley discs (4, 5) with a running surface (8) for arriving in friction contact with a side face (35) of the drive belt (3), wherein both the running surfaces (8) of the pulleys (1, 2) and the side face (35) of the drive belt (3) are made of steel and wherein during operation of the transmission the friction contact is cooled by lubrication oil. At least one of the running surfaces (8) is provided with a multitude of (micron-scale) dimples (11, 13) and/or of grooves (12, 14, 15) arranged in a specific pattern for taking up lubrication oil.
    Type: Application
    Filed: April 23, 2013
    Publication date: March 19, 2015
    Applicant: ROBERT BOSCH GMBH
    Inventor: Ronald Eduard Henri Van Der Heijde