A paper shredder motor cooling assembly having a paper shredder motor coupled to a fan shaft, an enclosure surrounding the paper shredder motor and having selected input and selected output vents to control airflow to the paper shredder motor, a fan coupled to the fan shaft, communicating with the selected input vents or the selected output vents; when the paper shredder motor is operating, the rotor shaft turns the fan to generate a differential air pressure between the selected input vents and the selected output vents, removing heat from the motor. A duty cycle of greater than 50% is obtained. The fan can be coupled to the motor by speed increasing gearing, attached to the cutter blade assembly, such that the fan turns faster than the motor. The fan also can be attached to the motor shaft. An input fan and an output fan can be used.

A paper shredder motor cooling assembly having a paper shredder motor coupled to a fan shaft, an enclosure surrounding the paper shredder motor and having selected input and selected output vents to control airflow to the paper shredder motor, a fan coupled to the fan shaft, communicating with the selected input vents or the selected output vents; when the paper shredder motor is operating, the rotor shaft turns the fan to generate a differential air pressure between the selected input vents and the selected output vents, removing heat from the motor. A duty cycle of greater than 50% is obtained. The fan can be coupled to the motor by speed increasing gearing, attached to the cutter blade assembly, such that the fan turns faster than the motor. The fan also can be attached to the motor shaft. An input fan and an output fan can be used.

A locking system in an industrial machine is provided. The locking system includes a lock-ring positioned in a lock-ring recess in a rotational shaft, a spacing plate axially interfacing with the lock-ring, and a compression plate with a threaded opening. The locking system further includes a bolt threadingly engaged with the threaded opening in the compression plate and a spring axially interposed between the spacing plate and the compression plate.

A electronic grinder includes a main body removably attached to a grinding and dispensing chamber. The top of the main body is sealed by an upper cab and the bottom of the chamber is sealed by an openable lower cap. The main chamber includes a motor connected to a magnetically attached removable blade. The blade extends into the chamber when the grinder is assembled. When the lower cap is closed, the blade grinds material placed in the chamber. When the lower cap is opened, the blade functions as a fan to dispense ground material out of the chamber. The grinder also includes a display, an electronic scale, and an accessory cigarette lighter.

A culinary leaf shredder apparatus for cutting leaves such as collard greens includes a receptacle and a housing with a housing cavity. The housing has a feed slot and a dispense slot extending through to the housing cavity. A pair of rotor axles is coupled to within the housing cavity and a pair of rotors is coupled to the rotor axles. A plurality of shredder tangs is coupled to the pair of rotors. The plurality of shredder tangs intertwine beneath the feed slot to shred leaves and pass them through the dispense slot. A drive mechanism is coupled to the pair of rotors. A motor is coupled within the housing cavity and is in operational communication with the drive mechanism. A control panel is coupled to the housing and is in operational communication with the motor and a power source.

A food waste disposer includes a food conveying section, a grind and discharge section and a motor section used for driving the grind and discharge section to execute a grinding process. The motor section includes a universal motor, the universal motor includes a control device for controlling the output of the universal motor, and the control device includes a rectifier bridge circuit module for converting an AC power signal into a DC power signal.

The present invention relates to a shredding device comprising: a machine housing in which a drive compartment and a material-receiving chamber are formed, a movable device for shredding material, which is arranged at least in part in the material-receiving chamber of the machine housing, a drive device which is configured to drive the movable device for shredding material and is arranged at least in part in the drive compartment of the machine housing, and a motor-operated ventilation mechanism which is configured to ventilate the drive compartment and comprises a cleaning device for purifying air provided for ventilating the drive compartment.

The present invention relates to a shredding device comprising: a machine housing in which a drive compartment and a material-receiving chamber are formed, a movable device for shredding material, which is arranged at least in part in the material-receiving chamber of the machine housing, a drive device which is configured to drive the movable device for shredding material and is arranged at least in part in the drive compartment of the machine housing, and a motor-operated ventilation mechanism which is configured to ventilate the drive compartment and comprises a cleaning device for purifying air provided for ventilating the drive compartment.

A package reducing device includes a hopper having lap over rings, first and second main shafts which traverse the hopper, first and second pipe shafts are secured to the main shafts, where the ends of the pipe shafts are positioned interior to the lap over rings. First and second rings extend from the pipe shafts having recessed openings to position a fastener interior to the surface of the rings. Tooth plates having teeth are attached to the rings. A first motor rotates the one pipe shaft at a first rate and a second motor rotates another pipe shaft at a slower rate of rotation. The pipe shafts are rotated in an inboard direction, and the motors include variable frequency drives. The teeth reduce the size of packaging and food transported inside of the packaging during use of the invention.

Methods and systems for reducing an average particle size of blackwater solids is disclosed. A vessel is configured to receive a blackwater stream through a one-way inlet. The one-way inlet is configured to allow the blackwater stream into the vessel and prevent backflow. The blackwater stream contains blackwater solids and water. A device in a bottom portion of the vessel is configured to receive the blackwater and comminute the blackwater solids. A recirculating pump is configured to recirculate the blackwater stream under pressure through the device until the average particle size of the blackwater solids is reduced below a size threshold, resulting in a sized blackwater stream.