Abstract: One example provides a chassis for an electric snowmobile including a battery pack. The battery pack includes a battery pack housing defining an enclosure for housing a number of battery modules for powering an electric motor of the electric snowmobile, the battery pack housing having a length extending in a longitudinal direction of the snowmobile, the battery pack housing including a bottom surface. A pair of opposing side panels extends downwardly from and along at least a portion of the length of the battery pack housing, the opposing panels and at least portions of the bottom surface of the battery pack housing together forming a rear structure extending in the longitudinal direction of the electric snowmobile.

Abstract: One example provides a seat assembly for a personal watercraft including a rigid seat support. The rigid seat support includes a base element to be rigidly connected to a deck of the personal watercraft, and a cantilever element rigidly connected to the base element and to extend unsupported above the deck in an aft direction when the base element is connected to the deck.

Abstract: One example provides a thermal management system for an electric vehicle including a pump to pump a thermal transfer fluid through a number of circulation loops, an electric heater to heat the thermal transfer fluid, a heat exchanger to expel heat from the thermal transfer fluid, a number of valves, and a number of fluid pathways fluidically interconnecting the pump, heater, heat exchanger and valves. The valves being controllable to a number of different positions to form the number of circulation loops, the number of circulation loops including a battery heating circulation loop extending through the heater for heating a battery pack of the vehicle, a secondary components cooling circulation loop extending through the heat exchanger to cool secondary components of the vehicle, including a motor and a motor controller, and a battery cooling circulation loop extending through the heat exchanger to cool the battery pack.

Abstract: Drive units for electric vehicles are provided. One example provides a drive unit for an electric vehicle including a housing having a first compartment and a second compartment separated from one another by a shared wall, an electrical inverter disposed within the first compartment and having a set of electrical output terminals, and an electric motor disposed within the second compartment and having electrical input terminals electrically coupled to the output terminals via one or more openings extending through the shared wall.

Abstract: One example provides a control console for a personal watercraft, the console including a console housing. The console housing includes a lower shroud to couple to a handlebar of a steering assembly of the personal watercraft, and an upper shroud to couple to the lower shroud, the console housing to be disposed between opposing grip ends of the handlebar. A display device is mounted to the console housing and being externally visible, the display device to display information, including operational information of the personal watercraft.

Abstract: Drive units for electric vehicles are provided. One example provides a power inverter of an electric drive unit. The power inverter comprises a housing with a compartment at least partially formed by a first wall and an opposing second wall. The power inverter also comprises a plurality of electrical switches to convert direct current (DC) power into alternating current (AC) power, the plurality of electrical switches coupled to the first wall within the compartment. The power inverter further comprises a power controller to control the plurality of electrical switches, the power controller coupled to the plurality of electrical switches. The power inverter also comprises a motor controller to control the power controller, the motor controller disposed between the power controller and the second wall.

Abstract: Drive units for electric vehicles are provided. One example provides a drive unit for an electric vehicle that comprises a drive unit housing defining a form factor having a volume of less than 27,000 cm3, an electric motor comprising a rotor, a stator and a rotor shaft and an electric inverter in electrical communication with the electric motor. Both the electric motor and the electric inverter are housed within the drive unit housing and the drive unit provides a continuous power density of greater than 5 kW/kg.

Abstract: In one aspect, responsive to determining that an electric vehicle is connected to an external power source, an operator interface of the electric vehicle is enabled to command a headlight of the electric vehicle into an off condition. Responsive to determining that the electric vehicle is disconnected from the external power source and that the electric motor of the electric vehicle is powered, the headlight of the electric vehicle is maintained in an on condition, and the operator interface from commanding the headlight into the off condition is disabled. In another aspect, an electric vehicle headlight may be rendered non-deactivatable when an accelerator of the electric vehicle is enabled, and the headlight may be rendered deactivatable when an accelerator of the electric vehicle is disabled.

Abstract: An electric vehicle including a vehicle controller to control operation of the electric vehicle when the electric vehicle is in an on state and enter a powered-off state when the electric vehicle is in an off state, and an activation controller to store a programmable wake time. The activation controller to switch the vehicle controller to a powered-on state from the powered-off state to wake the electric vehicle from the off state to the on state at the wake time.

Abstract: In one aspect, responsive to determining that an electric vehicle is connected to an external power source, an operator interface of the electric vehicle is enabled to command a headlight of the electric vehicle into an off condition. Responsive to determining that the electric vehicle is disconnected from the external power source and that the electric motor of the electric vehicle is powered, the headlight of the electric vehicle is maintained in an on condition, and the operator interface from commanding the headlight into the off condition is disabled. In another aspect, an electric vehicle headlight may be rendered non-deactivatable when an accelerator of the electric vehicle is enabled, and the headlight may be rendered deactivatable when an accelerator of the electric vehicle is disabled.

Abstract: An electric vehicle including a battery including a plurality of battery cells and a plurality of thermal control panels interleaved with the plurality of battery cells to form a battery stack, each thermal control panel including walls defining at least one fluid channel. At least one retention element applies a retention pressure to the battery stack to compress the plurality of battery cells and plurality of thermal control panels of the battery stack, the walls of the thermal panels being under compression by a stack pressure including at least the retention pressure. A pump circulates a thermal transfer fluid through the at least one fluid channel of each thermal panel, the pump to create a fluid pressure within the at least one fluid channel of each thermal panel that is greater than or equal to the stack pressure.

Abstract: In one aspect, an electric vehicle comprises a plurality of battery modules, each of the battery modules having a respective coolant inlet, a coolant source, and a coolant inlet manifold configured to supply coolant from the coolant source to each of the plurality of coolant inlets in parallel. The manifold includes a coolant supply conduit, a plurality of branch conduits branching from the coolant supply conduit, and a plurality of flow restrictors. Each of the branch conduits is fluidically coupled to the coolant inlet of an associated respective one of the battery modules. Each of the flow restrictors restricts coolant flow to a respective subset of the branch conduits. In another aspect, the manifold includes a primary conduit, a plurality of secondary conduits branching from the primary conduit, and for each of the secondary conduits, a plurality of tertiary conduits branching from the secondary conduit.

Abstract: One example provides an electric watercraft including a jet propulsion system to form a water jet to provide thrust to propel the watercraft, an electric motor to drive the jet propulsion system, a battery system to power the motor, an accelerator which can be actuated over an accelerator actuation range to control the motor to adjust an amount of thrust provided by the water jet, and a steering mechanism operable over a steering range to steer the watercraft. A controller receives information indicative of a speed of the watercraft and enables an otherwise disabled off-throttle steering functionality when the speed exceeds a predetermined speed threshold.

Abstract: Drive units for electric vehicles are provided. One example provides a drive unit for an electric vehicle including a first housing section forming a first compartment to house an electrical inverter and a second housing section forming a second compartment to house an electric motor. The drive unit housing further includes an inlet port to receive a fluid and a shared wall separating the first compartment and the second compartment. The shared wall defines fluid pathways in fluid communication with the inlet port to circulate the fluid to cool the electrical inverter. The drive unit also includes an outlet port in fluid communication with the fluid pathways to discharge the fluid.

Abstract: Drive units for electric vehicles are provided. One example provides a drive unit for an electric vehicle including a first housing section forming a first compartment to house an electrical inverter and a second housing section forming a second compartment to house an electric motor. The drive unit housing further includes an inlet port to receive a fluid and a shared wall separating the first compartment and the second compartment. The shared wall defines fluid pathways in fluid communication with the inlet port to circulate the fluid to cool the electrical inverter. The drive unit also includes an outlet port in fluid communication with the fluid pathways to discharge the fluid.

Abstract: A brake control system for a vehicle includes a brake actuator operable over a range from an initial position that includes contiguous portions of displacement that are a first portion of displacement, a second portion of displacement and a third portion of displacement, a controller and an actuation sensor operatively coupled to the brake actuator. The actuation sensor sends a signal to the controller to activate a regenerative braking system using an electric motor of the vehicle if the actuation sensor detects the brake actuator is in the first portion of displacement. The regenerative braking system is activated and the friction braking system is activated when the brake actuator is in the second portion of displacement. The regenerative braking system is deactivated and the friction braking system is activated when the brake actuator is in the third portion of displacement.

Abstract: One example provides a thermal management system for an electric vehicle including a pump to pump a thermal transfer fluid through a number of circulation loops, an electric heater to heat the thermal transfer fluid, a heat exchanger to expel heat from the thermal transfer fluid, a number of valves, and a number of fluid pathways fluidically interconnecting the pump, heater, heat exchanger and valves. The valves being controllable to a number of different positions to form the number of circulation loops, the number of circulation loops including a battery heating circulation loop extending through the heater for heating a battery pack of the vehicle, a secondary components cooling circulation loop extending through the heat exchanger to cool secondary components of the vehicle, including a motor and a motor controller, and a battery cooling circulation loop extending through the heat exchanger to cool the battery pack.

Abstract: One example provides a protective cover for an electric vehicle. The protective cover includes a main body to selectively fit over a body portion of the electric vehicle, including over a charging port of the electric vehicle, and includes an opening extending through the main body, the opening located so as to be proximate to the charging port when the protective cover is installed on the electric vehicle, the opening to receive and enable a charging gun to be disposed at least partially within the protective cover and be inserted into the charging port to thereby enable charging of the electric vehicle without removal of the protective cover.

Abstract: An electric vehicle including an electric motor and a battery system to provide electrical power to the electric motor. A first input device, when actuated, provides a first input representing a command to propel the electric vehicle. A second input device, when actuated, provides a second input for initiating a boost operating mode. A controller is operative to control a permitted rate of change of a selected operating parameter of the electric motor. The controller, in a normal operating mode, operates the electric motor according to a first rate of change for the selected operating parameter in response to the first input, and in a boost operating mode, operates the electric motor according to a second rate of change, greater than the first, for the selected operating parameter for a limited period of time in response to the first input.

Abstract: A battery cooling panel and battery module are disclosed. In one example, the battery cooling panel includes a first outer panel defined as a first cooling fin with a first major surface configured to contact a battery cell. A second outer panel is secured to the first outer panel at an outer edge. A panel insert is positioned between the first outer panel and the second outer panel, the panel insert having a major surface with coolant flow channels. The battery module includes one or more battery cells in contact with the battery cooling panel, and is suitable for use as part of an electric vehicle system.