Patent classifications
H01H50/12
SYSTEM, METHOD, AND APPARATUS FOR POWER DISTRIBUTION IN AN ELECTRIC MOBILE APPLICATION USING A COMBINED BREAKER AND RELAY
A mobile application including a motive power circuit including a power storage device and an electrical load electrically coupled through a power bus; a power distribution unit (PDU) electrically interposed between the power storage device and the electrical load, wherein the PDU comprises a breaker/relay positioned on one of a high side and a low side of the power storage device; wherein the breaker/relay comprises: a fixed contact electrically coupled to the power bus; a movable contact selectively electrically coupled to the fixed contact; an armature operationally coupled to the movable contact; a first biasing member biasing the armature into one of the first position or the second position; and a means for adjusting a down force value of the movable contact during run-time operations of the motive power circuit, wherein the down force value biases the moveable contact into electrical coupling with the fixed contact.
SYSTEM, METHOD, AND APPARATUS FOR POWER DISTRIBUTION IN AN ELECTRIC MOBILE APPLICATION USING A COMBINED BREAKER AND RELAY
A mobile application including a motive power circuit including a power storage device and an electrical load; a power distribution unit (PDU) electrically interposed between the power storage device and the electrical load, wherein the PDU includes a breaker/relay positioned on one of a high side and a low side of the power storage device; wherein the breaker/relay includes: a fixed contact electrically coupled to the power bus; a movable contact selectively electrically coupled to the fixed contact; an armature operationally coupled to the movable contact; a first biasing member biasing the armature into one of the first position or the second position; and a means for selecting a down force value of the movable contact, thereby providing for a physical opening response of the breaker/relay in response to a selected current value.
ACTIVE CURRENT INJECTION THROUGH A FUSE FOR AN ELECTRIC MOBILE APPLICATION
A system includes a vehicle including a power distribution unit comprising a current protection circuit disposed in a motive electrical power path with a thermal fuse and a contactor in a series arrangement; a current source circuit electrically coupled to the thermal fuse to determine that a load power throughput is low, and to inject a current across the thermal fuse in response to the load power throughput being low; a voltage determination circuit electrically coupled to the thermal fuse to determine an injected voltage amount and/or a thermal fuse impedance value; where the power distribution unit further includes a plurality of fuses, and where the current source circuit is structured to inject the current across each fuse in a selected sequence; and where the current source circuit injects the current across a first and second fuse of the plurality of fuses at a first shutdown event.
FUSE LIFE MANAGEMENT IN AN ELECTRIC MOBILE APPLICATION
A system includes a vehicle including a motive electrical power path; a power distribution unit having a current protection circuit disposed in the motive electrical power path, the current protection circuit comprising a fuse; a controller, comprising: a fuse status circuit structured to determine a fuse event value; a fuse management circuit structured to provide a fuse event response based on the fuse event value; and a fuse life description circuit structured to determine a fuse life remaining value, wherein the fuse event value comprises a representation that the fuse life remaining value is below a threshold value, and wherein the fuse management circuit is further structured to provide the fuse event response further based on the fuse life remaining value.
INTEGRATED COOLANT CHANNELS FOR COMPONENT COOLING IN ELECTRIC MOBILE APPLICATIONS
An integrated inverter assembly including a main cover and an opposing back cover, a coolant channel separating body interposed between an upper coolant channel and a lower coolant channel. The upper coolant channel may be thermally coupled to a first plurality of electronic components of the integrated inverter assembly. The lower coolant channel may be thermally coupled to a second plurality of electronic components of the integrated inverter assembly. The first plurality of electronic components include at least one gate driver.
SYSTEM, METHOD, AND APPARATUS FOR POWER DISTRIBUTION IN AN ELECTRIC MOBILE APPLICATION DURING RUN TIME USING CONFIGURABLE ELECTRICAL INTERFACE PORTS
A multi-port power converter including a housing including a plurality of ports structured to electrically interface to a plurality of loads, the plurality of loads having distinct electrical characteristics; a plurality of solid-state components configured to provide selected electrical power outputs and to accept selected electrical power inputs; a plurality of solid-state switches configured to provide selected connectivity between the plurality of solid-state components and the plurality of ports; and a controller, the controller including: a component bank configuration circuit structured to interpret a port electrical interface description during a run-time operation of the multi-port power converter, the port electrical interface description comprising a description of at least a portion of the distinct electrical characteristics; and a component bank implementation circuit structured to provide solid switch states in response to the port electrical interface description, and wherein the plurality of solid-state switches are responsive to the solid switch states.
INVERTER WITH INTEGRATED COOLANT PATHS FOR AN ELECTRIC MOBILE APPLICATION
An integrated inverter assembly including a main cover and an opposing back cover, a coolant channel disposed between a coolant channel cover and a coolant channel separating body, and where power electronics of the inverter assembly are thermally coupled to the coolant channel.
SYSTEM, METHOD, AND APPARATUS FOR POWER DISTRIBUTION IN AN ELECTRIC MOBILE APPLICATION USING A COMBINED BREAKER AND RELAY
A system includes a housing; and a breaker/relay device positioned in the housing, wherein the breaker/relay device is configured to interrupt a motive power circuit for an electrical vehicle system, where the housing is disposed on the electrical vehicle system, where the breaker/relay device includes a physical opening response portion responsive to a first current value in the motive power circuit, and a controlled opening response portion responsive to a second current value in the motive power circuit, where the physical opening response portion is structured to be adjustable to at least one adjustment operation.
Electromagnetic relay
An electromagnetic relay includes a casing having a housing space open to an external to the casing through an opening. A base is joined to the casing to close the opening. A coil, a pair of fixed contact elements and a pair of movable contact elements are housed in the housing space. A vent hole set to a dimension making it possible to extinguish flame passing therethrough is formed in a portion where the casing and the base are joined together.
Electromagnetic relay
An electromagnetic relay includes a casing having a housing space open to an external to the casing through an opening. A base is joined to the casing to close the opening. A coil, a pair of fixed contact elements and a pair of movable contact elements are housed in the housing space. A vent hole set to a dimension making it possible to extinguish flame passing therethrough is formed in a portion where the casing and the base are joined together.