Patents by Inventor Martin Hoeller

Martin Hoeller 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).

  • FUEL CELL DEVICE
    Publication number: 20220384836
    Abstract: The invention relates to a fuel cell device (10), comprising at least one fuel cell stack (12) and at least one processing unit (14). According to the invention, a distribution manifold (60) for carrying media is disposed between the at least one fuel cell stack (12) and the at least one processing unit (14).
    Type: Application
    Filed: September 28, 2020
    Publication date: December 1, 2022
    Inventors: Jochen Winkler, Martin Hoeller, Peter Horstmann, Sebastian Obermeyer, Tobias Zimmer, Bertram Schweitzer
  • Roller tappet for a piston pump, piston pump
    Patent number: 10982637
    Abstract: The invention relates to a roller tappet (1) for a piston pump, in particular for a high-pressure fuel pump, for supporting a pump piston (2) which can move in a reciprocating motion on a cam (3) or eccentric of a drive shaft (4), comprising a tappet body (5) with an end-side recess (6) and two radial bores (7) which lie diametrically opposite one another at the recess (6) and receive a pin (8), on which a roller (10) is rotatably mounted directly or indirectly via a bearing bush (9), wherein at least one radially or obliquely running feed bore (12) is configured in the tappet body (5) in order to supply a lubricating medium to a radial bearing gap (11) which is configured between the roller (10) and the pin (8) or between the roller (10) and the bearing bush (9), which feed bore (12) opens into the recess (6) in the region of an axial bearing gap (13) between the roller (10) and the tappet body (5).
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: April 20, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Andreas Dutt, Florian Fritz, Gerhard Meier, Markus Majer, Martin Hoeller
  • ROLLER TAPPET FOR A PISTON PUMP, PISTON PUMP
    Publication number: 20200370524
    Abstract: The invention relates to a roller tappet (1) for a piston pump, in particular for a high-pressure fuel pump, for supporting a pump piston (2) which can move in a reciprocating motion on a cam (3) or eccentric of a drive shaft (4), comprising a tappet body (5) with an end-side recess (6) and two radial bores (7) which lie diametrically opposite one another at the recess (6) and receive a pin (8), on which a roller (10) is rotatably mounted directly or indirectly via a bearing bush (9), wherein at least one radially or obliquely running feed bore (12) is configured in the tappet body (5) in order to supply a lubricating medium to a radial bearing gap (11) which is configured between the roller (10) and the pin (8) or between the roller (10) and the bearing bush (9), which feed bore (12) opens into the recess (6) in the region of an axial bearing gap (13) between the roller (10) and the tappet body (5).
    Type: Application
    Filed: September 7, 2017
    Publication date: November 26, 2020
    Inventors: Andreas Dutt, Florian Fritz, Gerhard Meier, Markus Majer, Martin Hoeller