BIDIRECTIONAL POLYPHASE MULTIMODE CONVERTER INCLUDING BOOST AND BUCK-BOOST MODES
Granted: November 21, 2013
Application Number:
20130307491
A charging method using a multiphase line voltage for charging an energy storage system (ESS) using a polyphase motor drive circuit communicated to a polyphase motor, the polyphase motor drive circuit including a plurality M of driver stages, one driver stage for each phase of the polyphase motor with each driver stage coupled across the energy storage system.
SELF-DISCHARGE FOR HIGH VOLTAGE BATTERY PACKS
Granted: November 21, 2013
Application Number:
20130307480
A system and method for providing energy management and maintenance of a high energy battery pack through use self-discharge features and processes. A battery pack is configured with self-discharger enabled-components that selectively discharge energy from the battery pack without the battery pack providing operational power.
SECONDARY SERVICE PORT FOR HIGH VOLTAGE BATTERY PACKS
Granted: November 21, 2013
Application Number:
20130307478
A system and method for providing energy management and maintenance of a high energy battery pack that does not require installation of the battery pack into an operational EV. A secondary service port is provided to enable certain maintenance operations while by-passing battery pack interlocks and protection mechanisms used when the battery pack is installed into an operating environment.
METHOD AND SYSTEM FOR SERVICING HIGH VOLTAGE BATTERY PACKS
Granted: November 21, 2013
Application Number:
20130307476
A system and method for providing energy management and maintenance of a high energy battery pack that does not require installation of the battery pack into an operational EV. A battery service unit has multiple access mechanisms to charge or discharge a high energy battery pack through a primary or secondary high voltage port of the pack, irrespective of whether the battery pack is installed into an operating environment by adding a capability of providing a signature duplicating…
CHARGE RATE OPTIMIZATION
Granted: November 21, 2013
Application Number:
20130307475
A charging system for a battery pack, including a charging station transferring energy to the battery pack at a maximum fast charge rate in a first operational mode and transferring energy to the battery pack at a slower charge rate in a second operational mode; a data collection system acquiring data indicating a state of charge of the battery pack and one or more desired charge optimization parameters; and a station control, responsive to the data and to the desired charge optimization…
WIRE BREAK DETECTION IN REDUNDANT COMMUNICATIONS
Granted: November 7, 2013
Application Number:
20130293251
A system and method for low-cost, fault tolerant, EMI robust data communications, particularly for an EV environment.
HOST INITIATED STATE CONTROL OF REMOTE CLIENT IN COMMUNICATIONS SYSTEM
Granted: November 7, 2013
Application Number:
20130297954
A system and method for low-cost, fault tolerant, EMI robust data communications, particularly for an EV environment. A data communications method, including a) enabling a transmission of a wake signal from a host to a remote client through an isolator disposed at the remote client when the wake signal is asserted from the host at a host-portion of the isolator concurrent with a periodic enablement of a client-portion of the isolator by the remote client; and thereafter b) transmitting…
REDUNDANT MULTISTATE SIGNALING
Granted: November 7, 2013
Application Number:
20130294530
A data communications system having a plurality of communication devices including a host having a first receiver and a second receiver; and one or more clients, each client including a transmitter coupled between a signal node and a transmitter node, the transmitter selectively transmitting a multistate signal from the signal node to the transmitter node; and a single conductor daisy-chain loop redundantly communicating each multistate signal from each the transmitter to both receivers,…
ROBUST COMMUNICATIONS IN ELECTRICALLY NOISY ENVIRONMENTS
Granted: November 7, 2013
Application Number:
20130294529
A system and method for low-cost, fault tolerant, EMI robust data communications, particularly for an EV environment.
HOST COMMUNICATIONS ARCHITECTURE
Granted: November 7, 2013
Application Number:
20130294222
A system and method for low-cost, fault tolerant, EMI robust data communications, particularly for an EV environment.
INTEGRATED INDUCTIVE AND CONDUCTIVE ELECTRICAL CHARGING SYSTEM
Granted: October 31, 2013
Application Number:
20130285602
An apparatus and method efficiently integrating inductive and conductive charging systems, including embodiments directed towards enabling user selection of either, or both, of conductive and inductive charging. Conductive charging and inductive charging both have, in certain contexts or when judged by different criteria, advantages over the other. Systems and methods relying on one or the other would not have as wide-spread value to a user with opportunities to access both types of…
PARK LOCK FOR NARROW TRANSMISSION
Granted: October 31, 2013
Application Number:
20130284559
A park lock of a transmission, including a park gear; a park pawl rotating about a pawl shaft, the park pawl having a pawl portion locking the park gear, the park pawl including a cam contact portion; a park rod responsive to an operation of a controller, the park rod having a cam portion pressing the cam contact portion to have park pawl engage the park gear; a park sleeve receiving the cam portion and defining a first contact point providing a reactive force to the cam contact portion…
EMBEDDED OPTICS IN MODULAR ASSEMBLIES
Granted: October 17, 2013
Application Number:
20130270749
An enhanced multiobject potting fixture for exposure to a curing modality that sets an adhesive includes a fixture housing supporting a plurality of objects, the fixture housing having a wall defining a plurality of bonding wells with each the bonding well receiving a first portion of one of the objects, each the bonding well including an aperture in the wall proximate the first portion wherein each bonding well includes a target zone for selective cure of the adhesive to inhibit the…
Battery Pack Pressure Monitoring System for Thermal Event Detection
Granted: October 3, 2013
Application Number:
20130260192
A system for detecting thermal events, e.g., thermal runaway, within a sealed battery pack based on a characterization of monitored pressure variations within the pack is provided. The system includes at least one pressure sensor coupled to the battery pack and to a pressure monitoring system that outputs pressure data representative of the battery pack pressure over time; a system controller that analyzes the pressure data and outputs a control signal when the pressure data fits a…
Method of Operating a Dual Motor Drive and Control System for an Electric Vehicle
Granted: September 19, 2013
Application Number:
20130241445
A method for optimizing the torque applied by each motor of a dual motor drive system of an all-electric vehicle is provided, the torque adjustments taking into account wheel slip as well as other vehicular operating conditions.
LOW TEMPERATURE FAST CHARGE
Granted: September 12, 2013
Application Number:
20130234648
An automated charge preparation method periodically determines critical parameters for the set of relevant operating conditions, determines whether fast charging is possible, applies fast charging when possible, otherwise applies a dynamically scaled charging rate that is optimized based upon current critical parameters (while optionally heating the individual battery cells as long as fast charging is not available) to reduce/eliminate a risk of lithium-plating.
Electrical Interface Interlock System
Granted: September 5, 2013
Application Number:
20130228431
A high voltage (HV) interface housing is provided that includes an assembly of levers within the housing that detect whether or not the HV lines are coupled to the interface housing. If the HV lines are not in place, the lever assembly prevents the interface cover from being fully installed onto the interface housing, thereby preventing the HV interlock loop switch from being closed. As a result, when the HV cables are not in place, the HV interlock loop switch prevents power from being…
Electric Vehicle Battery Lifetime Optimization Operational Mode
Granted: August 29, 2013
Application Number:
20130221928
A method of setting the operational mode of an electric vehicle is provided, where the operational mode is selected from a plurality of operational modes that include at least a Battery Life mode and a Standard mode, wherein the Battery Life mode is configured to select operating and charging parameters that emphasize battery health and battery life over vehicle range and/or vehicle performance. The system includes a thermal management system for maintaining the vehicle's battery pack to…
Electric Vehicle Battery Lifetime Optimization Operational Mode
Granted: August 29, 2013
Application Number:
20130221916
A multi-mode operating system for an electric vehicle is provided, the system including means for a user to select a preferred mode of operation from a plurality of operational modes that include at least a Battery Life mode and a Standard mode, wherein the Battery Life mode is configured to select operating and charging parameters that emphasize battery health and battery life over vehicle range and/or vehicle performance. The system includes a thermal management system for maintaining…
CONTROL FOR AUTOMATED SOLDERING
Granted: August 15, 2013
Application Number:
20130211579
A robotic processing system includes a microprocessor-controlled workpiece processor having a mobile processing element to be positioned independently in three orthogonal dimensions with respect to each of a plurality of target locations on a workpiece, with each particular target location of the plurality of target locations including an element to be processed, the mobile processing element processing the element at each particular target location by first moving to an initial location…