Patents by Inventor Frederic Hehn

Frederic Hehn 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: 10844779
    Abstract: An e-charger includes an outer housing and a rotor supported for rotation within the outer housing. A motor assembly is housed within the outer housing and includes an electric motor and a motor case. The electric motor is encased within the motor case. The electric motor is configured to drivingly rotate the rotor within the outer housing. Furthermore, the e-charger includes a cooling system configured to receive a coolant. The cooling system includes a manifold passage defined in the outer housing. The cooling system includes a first motor cooling circuit and a second motor cooling circuit that are cooperatively defined by the outer housing and the motor case. The first motor cooling circuit and the second motor cooling circuit are fluidly connected to the manifold passage. The manifold passage is configured to distribute a flow of the coolant between the first motor cooling circuit and the second motor cooling circuit.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: November 24, 2020
    Assignee: GARRETT TRANSPORTATION I INC
    Inventors: Frederic Hehn, Damien Guepin, Shankar Pandurangasa Solanki, Emeric Genin, Valerie Bribant
  • Publication number: 20200080470
    Abstract: An e-charger includes an outer housing and a rotor supported for rotation within the outer housing. A motor assembly is housed within the outer housing and includes an electric motor and a motor case. The electric motor is encased within the motor case. The electric motor is configured to drivingly rotate the rotor within the outer housing. Furthermore, the e-charger includes a cooling system configured to receive a coolant. The cooling system includes a manifold passage defined in the outer housing. The cooling system includes a first motor cooling circuit and a second motor cooling circuit that are cooperatively defined by the outer housing and the motor case. The first motor cooling circuit and the second motor cooling circuit are fluidly connected to the manifold passage. The manifold passage is configured to distribute a flow of the coolant between the first motor cooling circuit and the second motor cooling circuit.
    Type: Application
    Filed: September 11, 2018
    Publication date: March 12, 2020
    Applicant: Garrett Transportation I Inc.
    Inventors: Frederic Hehn, Damien Guepin, Shankar Pandurangasa Solanki, Emeric Genin, Valerie Bribant
  • Patent number: 9963998
    Abstract: A method can include providing a turbocharger housing that includes a bore; providing a spacer; providing a shaft and wheel assembly with a first rolling element bearing assembly seated on a first portion of a shaft of the shaft and wheel assembly; providing a second rolling element bearing assembly; interference-fitting the spacer into the bore; inserting a free end of the shaft into the bore and through the spacer; and inserting the second rolling element bearing assembly into the bore and seating the second rolling element bearing assembly on a second portion of the shaft such that the spacer is disposed intermediate the first portion of the shaft and the second portion of the shaft.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: May 8, 2018
    Assignee: Honeywell International Inc.
    Inventors: Damien Marsal, Raphaël Hettinger, Raphaël Boileau, Frederic Hehn
  • Publication number: 20150297343
    Abstract: An intraocular lens has an optical axis, a central zone and a peripheral zone which are substantially symmetrical with respect to the optical axis and which extend substantially perpendicular thereto, the central zone extending to a first distance, and the peripheral zone extending from the first distance to the end of the intraocular lens, wherein the central zone has a nominal optical power, and the peripheral zone has a radius of curvature which varies continuously and monotonously as a function of the distance to the optical axis, so that a target asphericity value is obtained at a second distance relative to the optical axis, the first distance and the second distance being calculated from a photopic pupil diameter and a mesopic pupil diameter, respectively, of a patient.
    Type: Application
    Filed: January 22, 2013
    Publication date: October 22, 2015
    Inventor: Frederic HEHN
  • Publication number: 20140369865
    Abstract: A method can include providing a turbocharger housing that includes a bore; providing a spacer; providing a shaft and wheel assembly with a first rolling element bearing assembly seated on a first portion of a shaft of the shaft and wheel assembly; providing a second rolling element bearing assembly; interference-fitting the spacer into the bore; inserting a free end of the shaft into the bore and through the spacer; and inserting the second rolling element bearing assembly into the bore and seating the second rolling element bearing assembly on a second portion of the shaft such that the spacer is disposed intermediate the first portion of the shaft and the second portion of the shaft. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.
    Type: Application
    Filed: June 18, 2013
    Publication date: December 18, 2014
    Inventors: Damien Marsal, Raphaël Hettinger, Raphaël Boileau, Frederic Hehn
  • Publication number: 20140222351
    Abstract: A method and device for assisting treatment of the cornea, the device including a memory (4), an interface (8) capable of receiving and supplying data, a processing unit (6) for calculating and supplying to the interface (8) an ophthalmological value for use in the treatment of the cornea, a scheduler (10) which configured, upon receipt of initial central keratometric index (KC) data and initial asphericity value (QI) data at the interface (8), to store those data in the memory (4), to call the processing unit (6) with the initial central keratometric index (KC) and initial asphericity value (QI) data as well as with target asphericity value (QV) data in order to calculate a peripheral keratometric index (KP), to store the corresponding data in the memory (4) and to supply them to the interface (8).
    Type: Application
    Filed: September 18, 2012
    Publication date: August 7, 2014
    Inventor: Frédéric Hehn