Tesla Motors Patent Applications

METHOD AND SYSTEM FOR DETERMINING CONCENTRATION OF ELECTROLYTE COMPONENTS FOR LITHIUM-ION CELLS

Granted: June 6, 2019
Application Number: 20190173122
A computer-implemented method for determining a concentration of a component of an electrolyte in a lithium-ion or for a lithium-ion cell is provided. The method includes providing, to a spectrometer, instructions to capture a spectrum of a sample solution of the electrolyte and generate a signal. The method includes analyzing the signal to determine one or more spectral features of the spectrum. The method includes preparing a database of spectra corresponding to solutions having…

NOVEL BATTERY SYSTEMS BASED ON TWO-ADDITIVE ELECTROLYTE SYSTEMS

Granted: January 31, 2019
Application Number: 20190036171
Improved battery systems have been developed for lithium-ion based batteries. The improved battery systems consist of two-additive mixtures in an electrolyte solvent that is a carbonate solvent, an organic solvent, a non-aqueous solvent, and/or methyl acetate. The positive electrode of the improved battery systems may be formed from lithium nickel manganese cobalt compounds, and the negative electrode of the improved battery system may be formed from natural or artificial graphite.

ENERGY STORAGE SYSTEM

Granted: July 26, 2018
Application Number: 20180212222
An energy storage system includes a module housing and multiple battery cells positioned inside the module housing. Each of the battery cells has a first end and a second end. Further, each of the battery cells has a positive terminal and a negative terminal. The energy storage system includes a first interconnect and a second interconnect positioned over the battery cells. Multiple first cell connectors connect the positive terminals of the battery cells to the first interconnect.…

INFOTAINMENT SYSTEM WITH AIR-VENT CONTROL

Granted: June 14, 2018
Application Number: 20180162199
An air vent assembly includes a cover member having an inlet for allowing a flow of air to enter the cover member. The cover member also has a vent extending from the inlet for allowing a flow of air to exit the cover member. The vent includes a first vent portion, and a second vent portion located adjacent to the first vent portion. The first vent portion has a first set of flow guiding vanes disposed therein. The second vent portion has a second set of flow guiding vanes disposed…

OBSCURING, COLOR MATCHING, AND CAMOUFLAGING SOLAR PANELS

Granted: May 3, 2018
Application Number: 20180122973
A solar panel includes a backsheet layer, a bottom encapsulant layer adjacent the backsheet layer, a plurality of photovoltaic cells adjacent the bottom encapsulant layer, a top encapsulant layer adjacent the plurality of photovoltaic cells having a plurality of louvers constructed therein to block side view of the plurality of photovoltaic cells, and a top layer adjacent the top encapsulant layer.

INVERTER

Granted: April 26, 2018
Application Number: 20180114740
A transistor package comprising: a substrate; a first transistor in thermal contact with the substrate, wherein the transistor comprises a gate; the substrate sintered to a heat sink through a sintered layer; an encapsulant that at least partially encapsulates the first transistor; and a Kelvin connection to the transistor gate.

DEPOSITION OF METAL DIES FOR PART FABRICATION

Granted: February 1, 2018
Application Number: 20180029132
A method for synthesizing parts using a die comprising: providing a three-dimensional model; converting the three-dimensional model into G-code; executing the G-code to deposit a metal die; determining whether one or more dimensions of the metal die are within predetermined tolerance levels; based on the determination, milling the die if the one or more dimensions are not within predetermined tolerance levels or depositing additional metal if the one or more dimensions are not within…

CONTROL SYSTEM FOR AN ALL-WHEEL DRIVE ELECTRIC VEHICLE

Granted: September 7, 2017
Application Number: 20170253143
Electric vehicles and, more particularly, a control system for an all-wheel drive electric vehicle.

Battery Pack Base Plate Heat Exchanger

Granted: July 27, 2017
Application Number: 20170214008
A heat exchanger integrated into an electric vehicle's battery pack enclosure is provided, where the heat exchanger conduits are mechanically and thermally coupled to the inside surface of the enclosure base plate and where the battery pack enclosure is mounted such that ambient air flows over the outside surface of the enclosure base plate during vehicle motion. A thermal management system is coupled to, and controls operation of, the integrated battery pack heat exchanger such that in…

HEAT-RECOVERING TEMPERATURE-GRADIENT BASED OVEN SYSTEM

Granted: June 29, 2017
Application Number: 20170184345
A heat-recovering oven system based on temperature gradient comprises: multiple chambers arranged in a sequence, the chambers configured for operating at various temperatures according to a temperature gradient arrangement that spans the sequence; a conveyor configured for transporting product through the multiple chambers in the sequence for heat treatment according to the temperature gradient arrangement; and multiple temperature-segregated heat exchanger systems, each heat exchanger…

FUNCTIONAL REDUNDANCY OF COMMUNICATIONS AND DATA TRANSMISSION IN ENERGY STORAGE SYSTEM

Granted: June 22, 2017
Application Number: 20170177048
An energy storage system includes: a host; energy storage modules; a plurality of nodes, each implemented at a corresponding one of the energy storage modules and configured to monitor and control that energy storage module; a communications and data transmission medium forming a loop from a first portion of the host and sequentially through the nodes to a second portion of the host; and in each of the nodes, first and second devices configured to perform at least partially redundant…

MULTI-PORT VALVE WITH MULTIPLE OPERATION MODES

Granted: June 1, 2017
Application Number: 20170152957
A multi-port, multi-mode valve includes: a valve housing; multiple ports on the valve housing, a spacing between first and second ports being smaller than a spacing between third and fourth ports; and a stemshell positioned at least partly inside the valve housing, the stemshell having at least two channels configured for selectively coupling one or more of the ports to a selected at least other one of the ports.

INTEGRATED VEHICLE-END STRUCTURE

Granted: May 25, 2017
Application Number: 20170144717
A method for constructing an integrated end structure for a vehicle includes placing a center module for an integrated end structure for a vehicle in a fixture separate from the vehicle, attaching a side bracket to the center module in the fixture to form an assembly, the side bracket configured for holding a light unit of the vehicle, mounting the assembly onto at least a bracket in the vehicle that provides adjustability of the assembly in at least a z-direction, and, after mounting…

DUAL-HINGE CLOSURE WITH LATCHING IN HORIZONTAL DIRECTION

Granted: May 11, 2017
Application Number: 20170130495
A closure system for a vehicle comprises: a dual-hinge closure comprising a first portion hinged to the vehicle by a first hinge, and a second portion hinged to the first portion by a second hinge; a frame that at least in part surrounds an opening in the vehicle; an adjustable bump stop subassembly mounted to the first portion, wherein the adjustable bump stop subassembly rests on the frame when the first portion is in a closed position; and a latch system comprising a latch configured…

SEMICONDUCTOR DEVICE WITH STACKED TERMINALS

Granted: May 11, 2017
Application Number: 20170133316
A semiconductor device includes: a housing; a substrate inside the housing; first and second semiconductor circuits on the substrate; and first and second planar terminals electrically connected to the first and second semiconductor circuits, respectively, the first and second planar terminals stacked on top of each other, wherein each of the first and second planar terminals extends away from the housing.

Hazard Mitigation Through Gas Flow Communication Between Battery Packs

Granted: May 4, 2017
Application Number: 20170125760
A system and method for mitigating the effects of a thermal event within a non-metal-air battery pack is provided in which the hot gas and material generated during the event is directed into the metal-air cells of a metal-air battery pack. The metal-air cells provide a large thermal mass for absorbing at least a portion of the thermal energy generated during the event before it is released to the ambient environment. As a result, the risks to vehicle passengers, bystanders, first…

CHARGING STATION PROVIDING THERMAL CONDITIONING OF ELECTRIC VEHICLE DURING CHARGING SESSION

Granted: April 6, 2017
Application Number: 20170096073
A vehicle includes an energy storage configured to store electric energy for at least propulsion of the vehicle, an energy storage thermal system configured to provide thermal conditioning of the energy storage, and a coupling configured to receive thermal conditioning of the energy storage from a thermal system external to the vehicle. The coupling provides thermal conditioning of the energy storage while charging when available from the thermal system external to the vehicle. The…

SCALABLE AND FLEXIBLE CELL-BASED ENERGY STORAGE SYSTEM

Granted: March 30, 2017
Application Number: 20170093156
An energy storage system includes: a grid tie unit comprising at least one DC/AC converter; and multiple pods connected to the grid tie unit, each pod including: a number of cells; and a power electronics unit, wherein the cells are floating relative to the system and are galvanically isolated therefrom. The multiple pods may be organized into packs, with a pack including a thermal management system.

ENERGY STORAGE SYSTEM WITH DUAL-ACTIVE-BRIDGE CONVERTER

Granted: March 30, 2017
Application Number: 20170093157
An energy storage device includes: a number of cells; and a dual-active-bridge converter connected to the cells, wherein the cells are floating relative to the system and are galvanically isolated therefrom. The energy storage device can be included in an energy storage system that includes: a grid tie unit comprising at least one DC/AC converter; and multiple pods connected to the grid tie unit, each pod including: a number of cells; and a power electronics unit, wherein the cells are…

METHODOLOGY FOR CHARGING BATTERIES SAFELY

Granted: March 16, 2017
Application Number: 20170074918
An apparatus and method for identifying a presence of a short circuit in a battery pack. A fault-detection apparatus for a charging system that rapidly charges a collection of interconnected lithium ion battery cells, the safety system includes a data-acquisition system for receiving a set of data parameters from the collection while the charging system is actively charging the collection; a monitoring system evaluating the set of data parameters to identify a set of anomalous…