Patents by Inventor Miguel Ruiz De Larramendi

Miguel Ruiz De Larramendi 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).

  • Patent number: 10931183
    Abstract: For an asynchronous machine (1), in particular for use in electric vehicles or hybrid vehicles, comprising a rotor (10) and a stator (20) which surrounds the rotor (10), wherein an external stator yoke (21) with a stator yoke height (h21) is formed on the stator (20) and a large number of radially inwardly projecting stator teeth (22) of the same length are formed on the stator yoke (21), wherein a stator slot (23) is respectively formed between adjacent stator teeth (22), wherein an internal rotor yoke (11) is formed on the rotor (10) and a large number of radially outwardly projecting rotor teeth (12) of the same length are formed by the rotor yoke (11), wherein a rotor slot (13) is respectively formed between adjacent rotor teeth (12), wherein the asynchronous machine is of six-phase design, it is proposed that a total number (N1) of stator slots, which denotes the total number of stator slots (23) formed on the stator (20), is seventy-two.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: February 23, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Andre Brune, Miguel Ruiz De Larramendi
  • Publication number: 20200295638
    Abstract: For an asynchronous machine (1), in particular for use in electric vehicles or hybrid vehicles, comprising a rotor (10) and a stator (20) which surrounds the rotor (10), wherein an external stator yoke (21) with a stator yoke height (h21) is formed on the stator (20) and a large number of radially inwardly projecting stator teeth (22) of the same length are formed on the stator yoke (21), wherein a stator slot (23) is respectively formed between adjacent stator teeth (22), wherein an internal rotor yoke (11) is formed on the rotor (10) and a large number of radially outwardly projecting rotor teeth (12) of the same length are formed by the rotor yoke (11), wherein a rotor slot (13) is respectively formed between adjacent rotor teeth (12), wherein the asynchronous machine is of six-phase design, it is proposed that a total number (N1) of stator slots, which denotes the total number of stator slots (23) formed on the stator (20), is seventy-two.
    Type: Application
    Filed: January 9, 2017
    Publication date: September 17, 2020
    Inventors: Andre Brune, Miguel Ruiz De Larramendi
  • Patent number: 10770956
    Abstract: The invention relates to an electric asynchronous machine (1), in particular an induction machine, comprising: —a cylindrical stator (2) with stator teeth (22) on a stator yoke (21), wherein a ratio between a yoke height (hy1) of the stator yoke (21) in the radial direction and a groove height (hn1) of the stator grooves (23) in the radial direction ranges from 1.75 to 2.5; —a cylindrical rotor (4) with poles (42) on a rotor yoke which are defined by short-circuit windings in a rotor body (41), wherein a ratio between the yoke height of the rotor body (41) in the radial direction and the groove height of the rotor grooves in the radial direction ranges from 2 to 2.75.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: September 8, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Marcus Alexander, Arndt Kelleter, Miguel Ruiz De Larramendi, Patrick Heuser, Mercedes Herranz Gracia
  • Patent number: 9973050
    Abstract: The invention relates to an asynchronous machine (1) as can be used particularly in electric vehicles or hybrid vehicles. The asynchronous machine (1) has a rotor (5) and a stator (3). The asynchronous machine is designed and controlled in such a manner that it has a pole pair number p of p=3. Because of the reduced yoke saturation that can consequently be achieved, the stator yoke (9) can be designed with a lesser height hy1, such that a ratio of the outer rotor diameter D2a to the outer stator diameter D1a can assume values between 0.7 and 0.8. As a result, enlarged rotor teeth (19) and correspondingly enlarged rotor grooves (21) can be formed in the rotor (5), such that electrical losses in the material in the rotor grooves (21) acting as the rotor coil element (23) are smaller in comparison to conventional asynchronous machines.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: May 15, 2018
    Assignee: Robert Bosch GmbH
    Inventors: Patrick Heuser, Miguel Ruiz De Larramendi, Mercedes Herranz Gracia
  • Publication number: 20170331353
    Abstract: The invention relates to an electric asynchronous machine (1), in particular an induction machine, comprising:—a cylindrical stator (2) with stator teeth (22) on a stator yoke (21), wherein a ratio between a yoke height (hy1) of the stator yoke (21) in the radial direction and a groove height (hn1) of the stator grooves (23) in the radial direction ranges from 1.75 to 2.5;—a cylindrical rotor (4) with poles (42) on a rotor yoke which are defined by short-circuit windings in a rotor body (41), wherein a ratio between the yoke height of the rotor body (41) in the radial direction and the groove height of the rotor grooves in the radial direction ranges from 2 to 2.75.
    Type: Application
    Filed: September 11, 2015
    Publication date: November 16, 2017
    Inventors: Marcus Alexander, Arndt Kelleter, Miguel Ruiz De Larramendi, Patrick Heuser, Mercedes Herranz Gracia
  • Patent number: 9369016
    Abstract: A rotor (1) for an electric machine, in particular a permanently excited synchronous machine. At least one recess (20) is formed on the outer wall (12) of the receiving space (6) and forms a non-magnetizable space (29) adjacent to the lengthwise surface (10) of the permanent magnet (7). Due to this non-magnetizable space (29), iron losses in the stator teeth can be reduced in particular during operation of the electric machine in the field weakening range, which may result in a rise in efficacy of up to 3% for the electric machine.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: June 14, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Mercedes Herranz Gracia, Marcus Alexander, Arndt Kelleter, Nils Gebert, Miguel Ruiz De Larramendi, Patrick Heuser, Sebastian Tabarelli
  • Publication number: 20150311759
    Abstract: The invention relates to an asynchronous machine (1) as can be used particularly in electric vehicles or hybrid vehicles. The asynchronous machine (1) has a rotor (5) and a stator (3). The asynchronous machine is designed and controlled in such a manner that it has a pole pair number p of p=3. Because of the reduced yoke saturation that can consequently be achieved, the stator yoke (9) can be designed with a lesser height hy1, such that a ratio of the outer rotor diameter D2a to the outer stator diameter D1a can assume values between 0.7 and 0.8. As a result, enlarged rotor teeth (19) and correspondingly enlarged rotor grooves (21) can be formed in the rotor (5), such that electrical losses in the material in the rotor grooves (21) acting as the rotor coil element (23) are smaller in comparison to conventional asynchronous machines.
    Type: Application
    Filed: October 15, 2013
    Publication date: October 29, 2015
    Applicant: Robert Bosch GmbH
    Inventors: Patrick Heuser, Miguel Ruiz De Larramendi, Mercedes Herranz Gracia
  • Publication number: 20140167552
    Abstract: A rotor (1) for an electric machine, in particular a permanently excited synchronous machine. At least one recess (20) is formed on the outer wall (12) of the receiving space (6) and forms a non-magnetizable space (29) adjacent to the lengthwise surface (10) of the permanent magnet (7). Due to this non-magnetizable space (29), iron losses in the stator teeth can be reduced in particular during operation of the electric machine in the field weakening range, which may result in a rise in efficacy of up to 3% for the electric machine.
    Type: Application
    Filed: December 18, 2013
    Publication date: June 19, 2014
    Inventors: Mercedes Herranz Gracia, Marcus Alexander, Arndt Kelleter, Nils Gebert, Miguel Ruiz De Larramendi, Patrick Heuser, Sebastian Tabarelli