Gm Global Technolgoy Operations, Inc.

Erik B Golm

Yhu-Tin Lin

Venkateshwar R Aitharaju

Prakash Mohan Peranandam

Andrew Clay Bobel

Anil Kumar Sachdev

Alireza Fatemi

Xiaosong Huang

Shengbing Jiang

Louis G Hector, Jr

Meng Jiang

Jiyu Zhang

Derek F Lahr

Anthony M Coppola

Bhavesh Shah

Md Mhafuzul Islam

Manuel Forero Rueda

Prakash Mohan Peranadam

Alan G Holmes

Farzad Samie

Muhammad Hussain Alvi

Bradley Allen Newcomb

Jianfeng Wang

Hongliang Wang

Kevin B Rober

Selina X Zhao

Michael B Viola

Teresa J Rinker

Ming Liu

Mohamed A Layouni

Raghunathan K

Seongchan Pack

Charles E Jensen

Xiaofeng Yang

Ronald O Grover, Jr

Chih-chang Chen

Terrence Wathen

Shaomao Xu

Tito R Huffman

Zachary S Mendla

Gustavo Cibrian Salazar

Terebara A Hughes

Charles W McClure

Princess Len Carlos

Mohamed Darsot

Charles W Toohy

Bradley Army Kabert

Nagendrakumar Palanisamy

A method of making a battery current collector foil includes heat treating a foil sheet and mechanically roughening the heat treated foil sheet to create a surface roughness of between 2-4 μm. The heat treating and mechanical roughening of the foil sheet provides improved coating adhesion. One of an anode and cathode coating is then applied to the roughened, heat treated, foil sheet.

Current collector patterning for enhanced adhesion

The present disclosure provides a structural assembly including a frame and a plurality of panels. The frame includes a wall partially defining an interior region. The plurality of panels are disposed at least partially in the interior region and coupled to the frame. The plurality of panels includes a first panel and a second panel coupled to the first panel. The first panel includes a first side, a second side opposite the first side, a first surface, and a second surface opposite the first surface. The first surface and the second surface cooperate to define a first corrugation extending in a first direction between the first side and the second side. The second panel includes a third surface defining a plurality of depressions and a fourth surface opposite the third surface defining a plurality of protrusions. The plurality of protrusions are complementary to the plurality of depressions.

Structural assembly with patterned panels

The present disclosure includes a rotor core assembly for an electric motor. The rotor core assembly includes a plurality of laminations secured together. A center bore is defined by the plurality of laminations. A longitudinal axis of the rotor core assembly extends along an axial center of the center bore. A carbon fiber sleeve surrounds the plurality of laminations. Magnet slots are defined by the plurality of laminations. The magnet slots extend parallel to the longitudinal axis. Magnets are seated in the magnet slots. Reinforcing bores are defined by, and extend across, the plurality of laminations. Reinforcing members are seated in the reinforcing bores.

Stabilized core assembly for carbon fiber sleeved electric motor rotor

An energy absorbing system includes a structural member and a composite energy absorber including a first member arranged within the structural member. The first member has a first repeating geometric pattern extending in a first direction along a first length, a first width in a second direction transverse to the first direction, and a first height in a third direction transverse to the first and second directions. The first member is made of a composite material including first reinforcing fibers and a first polymer matrix.

Composite energy absorber for electric vehicles

A child seat latching assembly for a vehicle is provided. The assembly comprises a child seat comprising a base portion having a base bar, a back portion having a back bar, and a first magnet generating a first magnetic field. The assembly further comprises a vehicle seat comprising a receiving portion having a base latch unit including a base connector comprising a base lock to secure the base bar in the base connector. The vehicle seat comprising a support portion having a back latch unit including a back connector comprising a back lock to secure the back bar in the back connector. The vehicle seat comprising a second magnet generating a second magnetic field in operation with the first magnetic unit. The first and second magnetic fields arranged to align the portable child seat with the vehicle seat when the first and second magnets are within a predetermined distance.

Child seat latching system for a vehicle

Method of controlling and smart indication of a child seat latch assembly for a vehicle is provided. The method comprises identifying a vehicle seat in the vehicle when a request for child seat latch assembly activation is received. The vehicle seat is arranged to receive a child seat for securement in the vehicle. The method comprises automatic or manual activating the child seat latch assembly and aligning the child seat with the vehicle seat. The method comprises sensing the base bar relative to the base connector and sensing the back bar relative to the back connector. The method comprises locking the base bar in the base connector and locking the back bar in the back connector. The method further comprises monitoring the portable child seat relative to the stationary vehicle seat to maintain an aligned position, a locked base position, communication of the secureness status and a locked back position.

System and method of controlling a child seat latching assembly for a vehicle

A method for fabricating a composite panel includes providing a preform including a peripheral edge portion and a central portion. The central portion has a first thickness, the peripheral edge portion has a second thickness that is greater than the first thickness, and a first step is arranged between the central portion and the peripheral edge portion. The method includes providing a tool including a binder defining a second step, an upper punch, and a lower tool; arranging the preform between the binder and the upper punch and the lower tool; shaping the preform using the tool; and injection molding the preform in the tool to create the composite panel.

Preform with variable fiber density, forming and molding tool and method for forming of composite materials

A containment system for a rechargeable energy storage device (RESS) is described includes an enclosure having a first compartment adjoining a second compartment. The first compartment is arranged to house a plurality of power electronics devices, and the second compartment is arranged to house a plurality of battery cells. The second compartment includes a tub that defines a bottom portion, and a floor plate. The tub includes opposed end walls and opposed sidewalls. A top plate is arranged overtop of the first compartment and the second compartment. A first one of the end walls and the top plate define a first slot between the first compartment and the second compartment. A first removable panel is arranged to enclose the first compartment. The plurality of battery cells connect to the plurality of power electronics devices via a high-voltage DC power bus that is arranged to pass through the first slot.

Containment system for a multi-cell rechargeable energy storage device

A power control system for an electric vehicle includes a power inverter comprising a switch module including a plurality of power switches, a controller board, and a gate driver board in communication with the controller board and configured to drive gates of the plurality of switches. A first housing is made of polymer composite, encloses the power inverter, defines a first cooling cavity in thermal communication with a first surface of the switch module, and encapsulates a portion of at least one of the switch module, the controller board and the gate driver board.

Enhanced integration of power inverters using polymer composite encapsulation

A process for local traffic approximation through analysis of cloud data is provided. The process includes, within a computerized traffic flow estimation controller of a host vehicle, operating programming to monitor a planned navigational route of the host vehicle, identify along the planned navigational route a road section including cross-traffic, monitor cloud data related to a mobile cellular device, analyze the cloud data to identify traffic posing a hazardous condition to the host vehicle within the road section, and generate a vehicle alert to a driver of the host vehicle based upon the identified traffic.

Process and system for local traffic approximation through analysis of cloud data

A structural assembly includes a frame and a plurality of panels. The frame includes a wall that at least partially defines an interior region. The plurality of panels is disposed at least partially in the interior region and is coupled to the frame. The plurality of panels includes a first panel and a second panel. The first panel includes a first surface and a second surface opposite the first surface. The first surface defines a first plurality of depressions and the second surface defines a first plurality of protrusions complementary to the first plurality of depressions. The second panel includes a third surface and a fourth surface opposite the third surface. The third surface defines a second plurality of depressions. The fourth surface defines a second plurality of protrusions complementary to the first plurality of depressions. The first panel is coupled to the second panel.

An energy-dissipating cover for covering a component sensitive to mechanical impulse includes a sheet of selected ferrous or aluminum alloy, the sheet having a top surface, a bottom surface, an outer perimeter, an overall area within the outer perimeter and a nominal thickness of no more than 2.5 mm. The sheet is configured for connection with one or more external structures at a plurality of connection points within the outer perimeter, wherein the overall area comprises a plurality of supported areas and at least one unsupported area. Embossments are formed within the at least one unsupported area and extend outward from the bottom surface. The embossments are shaped, sized and arranged so as to limit orthogonal deflection of the sheet from a mechanical impulse directed normal to the bottom surface of the sheet at the plurality of embossments.

Energy-dissipating cover and methods for making the cover

An injection molded composite component includes a groove extending from a first surface of the composite component and a tubing material placed within the groove and formed integrally with the composite component such that the tubing material forms an integrated conduit on the first surface of the composite component.

Composite component with integrated conduit

A reinforced composite assembly includes a first sheet made of carbon fiber and having a first perimeter, a second sheet made of a non-carbon fiber material and having a second perimeter, wherein the second sheet is disposed atop the first sheet within the first perimeter, and a metallic plate having a third perimeter, wherein the metallic plate is disposed atop the second sheet within the second perimeter. The metallic plate has a plurality of holes formed therein about a perimeter of the metallic plate and defining a plurality of respective bridge portions between each of the holes and an adjacent outer edge of the metallic plate, and/or a plurality of extensions extending outward from a main portion of the metallic plate. A first arrangement of thread stitching secures each of the bridge portions and extensions to the second sheet or to the first and second sheets.

Reinforced composite assemblies and methods of manufacturing the same

A method and fixture for welding a battery foil-tab assembly is disclosed. The fixture includes a first clamp member having a first clamping surface defining an opening extending into the first clamp member and a second clamp member having a protrusion surrounding a weld slot. The opening of the first clamp member is configured to receive a portion of the protrusion with the battery foil-tab assembly disposed therebetween. The second clamp member is moveable toward the first clamp member to align the weld slot of the second clamp member with the opening of the first clamp member, thereby causing the protrusion to cooperate with the opening of the first clamp to deflect a portion of the battery foil-tab assembly out of a plane parallel with the battery foil-tab assembly. A laser beam is directed at the out of plane portion to laser weld the battery foil-tab assembly.

Method and clamping fixture for laser welding battery foils to a battery tab

Growing community of inventors

Warren, MI, United States of America

Erik B Golm