Patents by Inventor Cyrille Goldstein
Cyrille Goldstein 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).
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Publication number: 20240067303Abstract: An electric snowmobile, has: a frame; a drive track assembly having a drive track and a sprocket; an electric motor mounted to the frame; and a transmission mounted to the frame, the transmission drivingly engaging the electric motor to the drive track, the transmission having an input drivingly engaged by the electric motor and an output drivingly engaging the sprocket, the transmission having a speed ratio defined as a rotational speed of the input to a rotational speed of the output, and wherein one or more of: a rotor-to-sprocket ratio ranging from 0.65 to 1.30, a rotor-to-transmission ratio ranging from 52 mm to 180 mm, a stator-to-sprocket ratio ranging from 0.20 to 0.58, and a rotor size-to-sprocket ratio ranging from 25 mm to 105 mm.Type: ApplicationFiled: August 26, 2022Publication date: February 29, 2024Inventors: Matthew Schroeder, Cyrille Goldstein, Amin Zabihinejad, Samuel Bruneau, Paul Achard
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Patent number: 11418076Abstract: An electric machine rotor includes a core, a first end plate, a second end plate, and a shaft. The core defines an internal cavity. The first and second end plates each define a central orifice and are respectively secured to opposing axial ends of the core. The shaft is disposed within the cavity and engages the first and second end plates within the central orifices to facilitate synchronized rotation of and torque transfer between the core and shaft.Type: GrantFiled: June 26, 2018Date of Patent: August 16, 2022Assignee: Ford Global Technologies, LLCInventors: Chun Tang, Cyrille Goldstein, Jacob Krizan
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Patent number: 11258316Abstract: A motor for an electric vehicle includes a motor housing for receiving a stator. A plurality of caps each have an outer rim and a washer portion defining a bolt receiving opening. The outer rim of each of the caps is press-fit into the receptacles in the motor housing. The caps are each attached to the stator by one of the bolts. The heads of the bolts clamp the cap to the stator to retain one end of the stator. The outer rim holds the cap in the motor housing while the washer portion flexes axially in response to thermal expansion and contraction of the motor housing. A method is disclosed for assembling the stator into the motor housing.Type: GrantFiled: October 4, 2019Date of Patent: February 22, 2022Assignee: FORD GLOBAL TECHNOLOGIES, LLCInventors: William David Guarino, Michael Coury, Kenneth Gerard Kraft, Peter Alexander Szpara, Siraj Siddiqui, Cyrille Goldstein
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Patent number: 11190066Abstract: The rotor of a permanent magnet motor includes a stack of laminations. Each lamination is located with respect to a shaft using a key with a tangential fillet. Each lamination also includes a set of lightening holes having a shape designed to minimize hoop stresses and thereby increase the maximum permissible operating speed of the motor. Furthermore, the tightening holes are aligned with the key to minimize interactions of the respective stress concentrations.Type: GrantFiled: January 29, 2019Date of Patent: November 30, 2021Assignee: Ford Global Technologies, LLCInventor: Cyrille Goldstein
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Patent number: 11056936Abstract: An electric machine includes an outer housing and a stator secured to the outer housing and configured to induce an electromagnetic field. The electric machine also includes a rotor configured to output rotational movement in response to the electromagnetic field of the stator. The electric machine further includes at least one retention key configured to cooperate with a retention feature of the stator to engage a channel of the outer hosing to generate a circumferential force to resist movement of the stator relative to the housing.Type: GrantFiled: April 15, 2019Date of Patent: July 6, 2021Assignee: Ford Global Technologies, LLCInventors: Joel Hetrick, Jacob Krizan, Cyrille Goldstein
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Patent number: 11028873Abstract: An electrified vehicle assembly includes, among other things, an outer shaft that is rotatable about an axis. The outer shaft rotatably couples a motor of an electrified vehicle to a transmission component of the electrified vehicle. A shaft insert provides a conduit for a fluid and that blocks the fluid from flowing radially between the shaft insert and the outer shaft relative to the axis. The shaft insert includes a polymer-based material, a composite material, or both.Type: GrantFiled: May 29, 2019Date of Patent: June 8, 2021Assignee: Ford Global Technologies, LLCInventors: Cyrille Goldstein, Joel Hetrick, Edward William Haran, Elizabeth Rose Bifano
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Publication number: 20210104921Abstract: A motor for an electric vehicle includes a motor housing for receiving a stator. A plurality of caps each have an outer rim and a washer portion defining a bolt receiving opening. The outer rim of each of the caps is press-fit into the receptacles in the motor housing. The caps are each attached to the stator by one of the bolts. The heads of the bolts clamp the cap to the stator to retain one end of the stator. The outer rim holds the cap in the motor housing while the washer portion flexes axially in response to thermal expansion and contraction of the motor housing. A method is disclosed for assembling the stator into the motor housing.Type: ApplicationFiled: October 4, 2019Publication date: April 8, 2021Inventors: William David GUARINO, Michael COURY, Kenneth Gerard KRAFT, Peter Alexander SZPARA, Siraj SIDDIQUI, Cyrille GOLDSTEIN
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Patent number: 10821821Abstract: A vehicle transaxle includes a housing, an electric machine stator, a plurality of mounting plates, and a first set of fasteners. The housing has internal walls that define a cavity and an access opening to the cavity. The electric machine stator is disposed within the cavity between a first of the internal walls and the opening. The plurality of mounting plates secures a first longitudinal end of the stator to the housing proximate the opening. Each fastener of the first set of fasteners extends through one of the mounting plates, through the stator, and engages the first of the internal walls to secure a second longitudinal end of the stator to the first of the internal walls.Type: GrantFiled: April 29, 2019Date of Patent: November 3, 2020Assignee: Ford Global Technologies, LLCInventors: Siraj Siddiqui, Cyrille Goldstein, Michael Coury, William David Guarino
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Publication number: 20200338977Abstract: A vehicle transaxle includes a housing, an electric machine stator, a plurality of mounting plates, and a first set of fasteners. The housing has internal walls that define a cavity and an access opening to the cavity. The electric machine stator is disposed within the cavity between a first of the internal walls and the opening. The plurality of mounting plates secures a first longitudinal end of the stator to the housing proximate the opening. Each fastener of the first set of fasteners extends through one of the mounting plates, through the stator, and engages the first of the internal walls to secure a second longitudinal end of the stator to the first of the internal walls.Type: ApplicationFiled: April 29, 2019Publication date: October 29, 2020Inventors: Siraj Siddiqui, Cyrille Goldstein, Michael Coury, William David Guarino
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Publication number: 20200343785Abstract: A vehicle transmission includes a housing, an electric machine, a bracket, and a plurality of fasteners. The housing has internal rear and internal side walls that define a cavity. The electric machine stator and the bracket are disposed within the cavity. The bracket has a metallic inner ring and an elastomer outer ring. The elastomer outer ring engages the internal side wall. The electric machine stator is disposed between the bracket and the internal rear wall. The plurality of fasteners extends through the metallic inner ring, through the stator, and engages the rear internal wall to secure the stator to the housing.Type: ApplicationFiled: April 29, 2019Publication date: October 29, 2020Inventors: Siraj Siddiqui, Cyrille Goldstein, William David Guarino, Michael Coury
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Publication number: 20200328637Abstract: An electric machine includes an outer housing and a stator secured to the outer housing and configured to induce an electromagnetic field. The electric machine also includes a rotor configured to output rotational movement in response to the electromagnetic field of the stator. The electric machine further includes at least one retention key configured to cooperate with a retention feature of the stator to engage a channel of the outer hosing to generate a circumferential force to resist movement of the stator relative to the housing.Type: ApplicationFiled: April 15, 2019Publication date: October 15, 2020Inventors: Joel HETRICK, Jacob KRIZAN, Cyrille GOLDSTEIN
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Publication number: 20200328651Abstract: A vehicle transmission includes a housing, an electric machine stator, a support plate, and a plurality of fasteners. The housing has an internal rear wall and a side wall that define a cavity. The electric machine stator is disposed within the cavity. The support plate is disposed within the cavity. The support plate engages the internal side wall such that a press-fit engagement is formed between the support plate and the internal side wall. The electric machine is disposed between the support plate and the internal rear wall. The plurality of fasteners extends through the support plate, through the stator, and engages the rear internal wall to secure the stator to the housing.Type: ApplicationFiled: April 11, 2019Publication date: October 15, 2020Inventors: Siraj SIDDIQUI, Cyrille GOLDSTEIN, William David GUARINO, Michael COURY
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Patent number: 10804766Abstract: A vehicle transmission includes a housing, an electric machine stator, a support plate, and a plurality of fasteners. The housing has an internal rear wall and a side wall that define a cavity. The electric machine stator is disposed within the cavity. The support plate is disposed within the cavity. The support plate engages the internal side wall such that a press-fit engagement is formed between the support plate and the internal side wall. The electric machine is disposed between the support plate and the internal rear wall. The plurality of fasteners extends through the support plate, through the stator, and engages the rear internal wall to secure the stator to the housing.Type: GrantFiled: April 11, 2019Date of Patent: October 13, 2020Assignee: Ford Global Technologies, LLCInventors: Siraj Siddiqui, Cyrille Goldstein, William David Guarino, Michael Coury
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Patent number: 10797560Abstract: A vehicle transmission includes a housing, an electric machine, a bracket, and a plurality of fasteners. The housing has internal rear and internal side walls that define a cavity. The electric machine stator and the bracket are disposed within the cavity. The bracket has a metallic inner ring and an elastomer outer ring. The elastomer outer ring engages the internal side wall. The electric machine stator is disposed between the bracket and the internal rear wall. The plurality of fasteners extends through the metallic inner ring, through the stator, and engages the rear internal wall to secure the stator to the housing.Type: GrantFiled: April 29, 2019Date of Patent: October 6, 2020Assignee: Ford Global Technologies, LLCInventors: Siraj Siddiqui, Cyrille Goldstein, William David Guarino, Michael Coury
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Publication number: 20200244117Abstract: The rotor of a permanent magnet motor includes a stack of laminations. Each lamination is located with respect to a shaft using a key with a tangential fillet. Each lamination also includes a set of lightening holes having a shape designed to minimize hoop stresses and thereby increase the maximum permissible operating speed of the motor. Furthermore, the tightening holes are aligned with the key to minimize interactions of the respective stress concentrations.Type: ApplicationFiled: January 29, 2019Publication date: July 30, 2020Inventor: Cyrille Goldstein
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Patent number: 10630134Abstract: An electric machine is provided. The electric machine may include a shaft and a rotor. The shaft may define a rotational axis and a coolant passage that is transverse to the axis. The rotor may be assembled to the shaft and define an outer periphery, an inner periphery, and a medial section extending therebetween. The medial section may define a coolant channel that defines an inner edge and a plurality of elongated fins extending therefrom. The plurality of elongated fins may be configured to transfer heat from the outer periphery to coolant flowing from the coolant passage through the coolant aperture.Type: GrantFiled: February 20, 2018Date of Patent: April 21, 2020Assignee: Ford Global Technologies, LLCInventor: Cyrille Goldstein
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Patent number: 10594191Abstract: An electric machine is provided. The electric machine may include a rotor disposed on a shaft and an endplate. The endplate may define a coolant capture ring. The coolant capture ring may have tapered side walls that extend from an outer portion of the endplate toward the shaft at a periphery thereof. The coolant capture ring may be configured to deflect coolant captured by the coolant capture ring and expelled by the shaft due to centrifugal forces associated with the rotation of the shaft.Type: GrantFiled: March 27, 2017Date of Patent: March 17, 2020Assignee: Ford Global Technologies, LLCInventors: Cyrille Goldstein, Joel Hetrick
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Publication number: 20190393747Abstract: An electric machine rotor includes a core, a first end plate, a second end plate, and a shaft. The core defines an internal cavity. The first and second end plates each define a central orifice and are respectively secured to opposing axial ends of the core. The shaft is disposed within the cavity and engages the first and second end plates within the central orifices to facilitate synchronized rotation of and torque transfer between the core and shaft.Type: ApplicationFiled: June 26, 2018Publication date: December 26, 2019Inventors: Chun TANG, Cyrille GOLDSTEIN, Jacob KRIZAN
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Publication number: 20190277332Abstract: An electrified vehicle assembly includes, among other things, an outer shaft that is rotatable about an axis. The outer shaft rotatably couples a motor of an electrified vehicle to a transmission component of the electrified vehicle. A shaft insert provides a conduit for a fluid and that blocks the fluid from flowing radially between the shaft insert and the outer shaft relative to the axis. The shaft insert includes a polymer-based material, a composite material, or both.Type: ApplicationFiled: May 29, 2019Publication date: September 12, 2019Inventors: Cyrille Goldstein, Joel Hetrick, Edward William Haran, Elizabeth Rose Bifano
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Publication number: 20190260259Abstract: An electric machine is provided. The electric machine may include a shaft and a rotor. The shaft may define a rotational axis and a coolant passage that is transverse to the axis. The rotor may be assembled to the shaft and define an outer periphery, an inner periphery, and a medial section extending therebetween. The medial section may define a coolant channel that defines an inner edge and a plurality of elongated fins extending therefrom. The plurality of elongated fins may be configured to transfer heat from the outer periphery to coolant flowing from the coolant passage through the coolant aperture.Type: ApplicationFiled: February 20, 2018Publication date: August 22, 2019Inventor: Cyrille GOLDSTEIN