Abstract: A stand-alone motor unit for use with a piece of power equipment includes a housing, an electric motor, a first fan driven by the electric motor and configured to induce an airflow through the electric motor, a power take-off shaft receiving torque from the motor, and control electronics positioned within the housing and electrically connected to the electric motor. The motor unit also includes a battery pack, and a battery receptacle coupled to the housing and engageable with the battery pack to transfer current between the battery pack and the electric motor. The motor unit further includes an auxiliary cooling system located within the housing. The auxiliary cooling system includes a heat sink coupled to the control electronics, and a second fan configured to direct an airflow across the heat sink separate from the airflow induced through the electric motor by the first fan.

Abstract: Battery configuration for gas engine replacement device. One embodiment provides a gas engine replacement device (10) including a housing (14) and a first battery pack (50) and a second battery pack (50) connected to the housing (14). The gas engine replacement device (10) also includes a motor (36) within the housing (14) and a power switching network (310) coupled to the motor (36), the first battery pack (50), and the second battery pack (50) and configured to drive the motor (36). The gas engine replacement device (10) further includes an electronic processor (302) coupled to the power switching network (310) and configured to sequentially discharge the first battery pack (50) and the second battery pack (50) to the power switching network (310) to drive the motor (36).

Abstract: A stand-alone motor unit may include a housing. A stand-alone motor unit may include an electric motor. A stand-alone motor unit may include a battery pack to provide power to the motor. A stand-alone motor unit may include a battery receptacle arranged on the housing and configured to receive the battery pack. A stand-alone motor unit may include a throttle disposed on the housing, the throttle in communication with the electric motor and operable to adjust a parameter of the motor. A stand-alone motor unit may include a mode selector disposed on the housing, the mode selector movable between a first position, in which the motor operates in a first mode, and a second position, in which the motor operates in a second mode that is different than the first mode.

Abstract: A wireless hoist system including a first hoist device having a first motor and a first wireless transceiver and a second hoist device having a second motor and a second wireless transceiver. The wireless hoist system includes a controller in wireless communication with the first wireless transceiver and the second wireless. The controller is configured to receive a user input and determine a first operation parameter and a second operation parameter based on the user input. The controller is also configured to provide, wirelessly, a first control signal indicative of the first operation parameter to the first hoist device and provide, wirelessly, a second control signal indicative of the second operation parameter to the second hoist device. The first hoist device operates based on the first control signal and the second hoist device operates based on the second control signal.

Abstract: A wireless hoist system including a first hoist device having a first motor and a first wireless transceiver and a second hoist device having a second motor and a second wireless transceiver. The wireless hoist system includes a controller in wireless communication with the first wireless transceiver and the second wireless. The controller is configured to receive a user input and determine a first operation parameter and a second operation parameter based on the user input. The controller is also configured to provide, wirelessly, a first control signal indicative of the first operation parameter to the first hoist device and provide, wirelessly, a second control signal indicative of the second operation parameter to the second hoist device. The first hoist device operates based on the first control signal and the second hoist device operates based on the second control signal.

Abstract: A stand-alone motor unit for use with a piece of power equipment includes a housing, an electric motor, a battery pack to provide power to the motor, a battery receptacle arranged on the housing and configured to receive the battery pack, and a control panel arranged on either the housing or the piece of power equipment. The control panel is operable to control operation of the electric motor.

Abstract: A motor unit includes a housing, an electric motor arranged in the housing, a battery pack, a first plurality of holes defining a first hole pattern, a first power take-off shaft, a gearbox with a first gear train, and an external gearbox with a second gear train configured to receive torque from the first power take-off shaft. The external gearbox includes a second plurality of holes defining a second hole pattern, a second power take-off shaft receiving torque from the second gear train, and a third plurality of holes defining a third hole pattern that is identical to a fourth hole pattern on the piece of power equipment. When the external gearbox is coupled to the side of the housing and the piece of power equipment, the second power take-off shaft receives torque from the motor via the first gear train, first power take-off shaft, and second gear train.

Abstract: A compactor includes a plate and an electric motor coupled to the plate and configured to impart vibration thereto. The electric motor including a stator and a rotor defining a rotational axis and having a center of mass that is not intersected by the rotational axis.

Abstract: A compactor includes a plate and an electric motor coupled to the plate. The electric motor includes a first shaft configured to rotate about a first rotational axis. The compactor further includes an eccentric mass coupled to a second shaft and configured to rotate about a second rotational axis in response to receiving torque from the electric motor. The first rotational axis is parallel to the second rotational axis. The compactor further includes a battery configured to provide power to the electric motor. The compactor further includes a gear configured to receive torque from the electric motor. The gear transmits the torque to the second shaft to rotate the eccentric mass.

Abstract: Bi-directional motor (36) for gas engine replacement device (10). One embodiment provides a gas engine replacement device (10) including a housing (14), a battery receptacle (54), a motor (36), a power take-off shaft (38) receiving torque from the motor (36), a power switching network (310) configured to selectively provide power to the motor (36), and an electronic processor (302) coupled to the power switching network (310). The electronic processor (302) is configured to rotate the motor (36) in a first direction and receive an input to switch a rotation direction of the motor (36). The electronic processor is also configured to control the power switching network (310) to stop the motor (36) and rotate the motor (36) in a second direction after controlling the power switching network (310) to stop the motor (36).

Abstract: A stand-alone motor unit includes a housing and an electric motor. The electric motor includes a stator, a rotor rotatable relative to the stator and having an output shaft, a housing in which the stator and rotor are arranged, and an adapter plate coupled to the housing. The adapter plate includes a first plurality of holes defining a first hole pattern. The output shaft of the rotor protrudes from the adapter plate. The motor unit further includes a battery pack for providing power to the motor, a power take-off shaft protruding from the housing, and a gearbox including a second plurality of holes defining a second hole pattern that is identical to the first hole pattern, such that when the first hole pattern is aligned with the second hole pattern, the gearbox is configured to be coupled to the adapter plate.

Abstract: A compactor including a plate, an electric motor coupled to the plate and including a motor shaft configured to rotate about a rotational axis, and an exciter coupled to the plate and configured to vibrate the plate in response to receiving torque from the electric motor. The exciter includes an exciter shaft and an eccentric mass attached thereto. The compactor additionally includes a battery configured to provide power to the electric motor, and a gear train to transfer torque from the motor shaft to the exciter shaft. The gear train permits the exciter to be driven at a rotational speed that is faster or slower than a rotational speed of the electric motor.

Abstract: Bi-directional motor (36) for gas engine replacement device (10). One embodiment provides a gas engine replacement device (10) including a housing (14), a battery receptacle (54), a motor (36), a power take-off shaft (38) receiving torque from the motor (36), a power switching network (310) configured to selectively provide power to the motor (36), and an electronic processor (302) coupled to the power switching network (310). The electronic processor (302) is configured to rotate the motor (36) in a first direction and receive an input to switch a rotation direction of the motor (36). The electronic processor is also configured to control the power switching network (310) to stop the motor (36) and rotate the motor (36) in a second direction after controlling the power switching network (310) to stop the motor (36).

Abstract: A compactor includes a plate, an electric motor coupled to the plate, an exciter coupled to the plate and configured to vibrate the plate in response to receiving torque from the electric motor, a means for transferring torque from the electric motor to the exciter, a battery configured to provide power to the electric motor, and a vibration isolator coupling the battery to the plate.

Abstract: A wireless hoist system including a first hoist device having a first motor and a first wireless transceiver and a second hoist device having a second motor and a second wireless transceiver. The wireless hoist system includes a controller in wireless communication with the first wireless transceiver and the second wireless. The controller is configured to receive a user input and determine a first operation parameter and a second operation parameter based on the user input. The controller is also configured to provide, wirelessly, a first control signal indicative of the first operation parameter to the first hoist device and provide, wirelessly, a second control signal indicative of the second operation parameter to the second hoist device. The first hoist device operates based on the first control signal and the second hoist device operates based on the second control signal.

Abstract: A wireless hoist system including a first hoist device having a first motor and a first wireless transceiver and a second hoist device having a second motor and a second wireless transceiver. The wireless hoist system includes a controller in wireless communication with the first wireless transceiver and the second wireless. The controller is configured to receive a user input and determine a first operation parameter and a second operation parameter based on the user input. The controller is also configured to provide, wirelessly, a first control signal indicative of the first operation parameter to the first hoist device and provide, wirelessly, a second control signal indicative of the second operation parameter to the second hoist device. The first hoist device operates based on the first control signal and the second hoist device operates based on the second control signal.

Abstract: A method of assembling a stand-alone motor unit and a piece of power equipment includes moving the motor unit in a first direction onto the piece of power equipment, such that a protrusion of the piece of power equipment is received in a slot of the motor unit. The method further comprises moving the motor unit along the piece of power equipment in a second direction that is perpendicular to the first direction, such that the protrusion moves within the slot from a first position to a second position, in which the protrusion is inhibited from moving in a direction opposite the first direction. The method further comprises coupling a power take-off shaft of the motor unit to a rotational input of the piece of power equipment, such that torque from the motor unit can be transferred to the rotational input to operate the piece of power equipment.

Abstract: A compactor including a plate, an electric motor coupled to the plate and including a motor shaft configured to rotate about a rotational axis, and an exciter coupled to the plate and configured to vibrate the plate in response to receiving torque from the electric motor. The exciter includes an exciter shaft and an eccentric mass attached thereto. The compactor additionally includes a battery configured to provide power to the electric motor, and a gear train to transfer torque from the motor shaft to the exciter shaft. The gear train permits the exciter to be driven at a rotational speed that is faster or slower than a rotational speed of the electric motor.

Abstract: A stand-alone motor unit for use with a piece of power equipment includes a housing, a flange coupled to the housing on a first side thereof and a slot in the flange. The slot is configured to receive a protrusion of the piece of power equipment. An electric motor is located within the housing. A power take-off shaft receives torque from the motor and protrudes from a second side of the housing adjacent the first side. A battery pack provides power to the motor.

Abstract: A stand-alone motor unit includes a housing and an electric motor. The electric motor includes a stator, a rotor rotatable relative to the stator and having an output shaft, a housing in which the stator and rotor are arranged, and an adapter plate coupled to the housing. The adapter plate includes a first plurality of holes defining a first hole pattern. The output shaft of the rotor protrudes from the adapter plate. The motor unit further includes a battery pack for providing power to the motor, a power take-off shaft protruding from the housing, and a gearbox including a second plurality of holes defining a second hole pattern that is identical to the first hole pattern, such that when the first hole pattern is aligned with the second hole pattern, the gearbox is configured to be coupled to the adapter plate.