Patent application number | Description | Published |
20100156058 | SKATE - A skate having a skate boot with a non-lasted boot shell, the shell having a first non-lasted three-dimensional sub-shell and a second non-lasted three-dimensional sub-shell, the second sub-shell being interior to and adjoining the first sub-shell, the first sub-shell comprising a first material having a first density and the second sub-shell comprising a second material having a second density, the second density being less than the first density, the shell being shaped so as to have a heel portion, an ankle portion, a lateral portion, a medial portion, and a sole portion; and a ground-engaging assembly disposed on an underside of the skate. Additional sub-shells are possible. Methods of manufacturing the skate boot shell, including molding and build-up, are also disclosed. | 06-24-2010 |
20100176564 | ICE SKATE RUNNER - An ice skate runner for engagement in a blade holder of an ice skate, the blade holder having an opening defined along a bottom edge thereof and fastening means to retain the runner. The runner comprises an upper polymeric portion shaped to be partially received within the opening of the holder and defining a major part of the runner, a lower portion having a greater density than that of the upper portion and defining a lower blade surface for engaging the ice. At least one of the upper and lower portions is shaped to removably engage the fastening means. | 07-15-2010 |
20130174449 | LAMINATE QUARTER PANEL FOR A SKATE BOOT AND SKATE BOOT FORMED THEREWITH - A laminate skate boot having a heel portion, the skate boot comprises: A thermo-shaped laminate quarter panel, the laminate quarter panel forming, at least in part, a quarter of the skate boot. A is heel pocket in the laminate quarter panel in the heel portion of the skate boot for accommodating a heel of a wearer of the boot. A rigid element is within the laminate quarter panel shaped and dimensioned to border, at least in part, the heel pocket. Also, a laminate quarter panel for use in fabricating the skate boot, the laminate quarter panel comprising a rigid element within the laminate quarter panel shaped and dimensioned to border, at least in part, a heel pocket in a heel portion of the skate boot to be fabricated, the heel pocket for accommodating a heel of a wearer of the skate boot. | 07-11-2013 |
20130214499 | SKATE - A skate having a skate boot with a non-lasted boot shell, the shell having a first non-lasted three-dimensional sub-shell and a second non-lasted three-dimensional sub-shell, the second sub-shell being interior to and adjoining the first sub-shell, the first sub-shell comprising a first material having a first density and the second sub-shell comprising a second material having a second density, the second density being less than the first density, the shell being shaped so as to have a heel portion, an ankle portion, a lateral portion, a medial portion, and a sole portion; and a ground-engaging assembly disposed on an underside of the skate. Additional sub-shells are possible. Methods of manufacturing the skate boot shell, including molding and build-up, are also disclosed. | 08-22-2013 |
20140327216 | SKATE - A skate having a skate boot with a non-lasted boot shell, the shell having a first non-lasted three-dimensional sub-shell and a second non-lasted three-dimensional sub-shell, the second sub-shell being interior to and adjoining the first sub-shell, the first sub-shell comprising a first material having a first density and the second sub-shell comprising a second material having a second density, the second density being less than the first density, the shell being shaped so as to have a heel portion, an ankle portion, a lateral portion, a medial portion, and a sole portion; and a ground-engaging assembly disposed on an underside of the skate. Additional sub-shells are possible. Methods of manufacturing the skate boot shell, including molding and build-up, are also disclosed. | 11-06-2014 |
20150289582 | SKATE AND METHOD OF MANUFACTURE - A method of manufacturing a skate boot shell, including shaping tridimensional outer and inner sub-shells, and bonding the shaped sub-shells together through lamination. The lamination is performed after the sub-shells are shaped and includes applying heat to the sub-shells and/or pressure on one of the sub-shells toward the other against a mold surface. A skate with three sub-shells is also discussed. | 10-15-2015 |
20150289583 | SKATE AND METHOD OF MANUFACTURE - A skate including a tridimensional skate boot shell with a sole insert embedded in or received in the skate boot shell such that at least part of a thickness of the sole portion is defined under the sole insert, and a holder under the skate boot shell configured for retaining a ground-engaging skate element. The holder is connected to the sole insert by at least one fastener extending through the at least part of the thickness of the sole portion. A method of manufacturing a skate boot is also discussed. | 10-15-2015 |
Patent application number | Description | Published |
20120297819 | METHODS AND SYSTEMS FOR PROVIDING COMBINED BLOWER MOTOR AND DRAFT INDUCER MOTOR CONTROL - A control system is described that includes a first rotating machine, a second rotating machine, and a motor controller physically mounted to and communicatively coupled with the first rotating machine and communicatively coupled with the second rotating machine. The motor controller includes a first PWM generator operable to generate a first set of pulse width modulated signals for application to the first rotating machine, and a second PWM generator operable to generate a second set of pulse modulated signals for application to the second rotating machine. | 11-29-2012 |
20130026962 | METHODS AND SYSTEMS FOR CONTROLLING A MOTOR - A control system for a motor includes an inverter coupled to the motor. The control system further includes a microcontroller coupled to the inverter. The microcontroller includes a processor programmed to measure an input voltage and acquire a back EMF voltage of the motor. The processor is also programmed to control the inverter to regulate the motor voltage based on the input voltage and the back EMF voltage to facilitate controlling the motor. | 01-31-2013 |
20140103768 | RADIALLY EMBEDDED PERMANENT MAGNET ROTOR AND METHODS THEREOF - In one embodiment, a permanent magnet rotor is provided. The permanent magnet rotor includes at least one permanent magnet and a substantially cylindrical rotor core including an outer edge and an inner edge defining a central opening. The rotor core includes a radius R, at least one pole, and at least one radial aperture extending radially though the rotor core from the outer edge to a predetermined depth less than the radius. The at least one radial aperture is configured to receive the at least one permanent magnet. The rotor further includes at least one protrusion extending into the at least one radial aperture, the at least one protrusion positioned substantially along a bottom of the at least one radial aperture and configured to facilitate retention of the at least one permanent magnet within the at least one radial aperture. | 04-17-2014 |
20140203755 | METHODS AND SYSTEMS FOR CONTROLLING AN ELECTRIC MOTOR - An electric motor controller is configured to be coupled to an electric motor. The controller includes an inverter and a control unit coupled to the inverter. The inverter is configured to receive an input voltage and to provide a conditioned output voltage to the electric motor. The control unit is configured to control the electric motor to produce positive torque when direct current (DC) link voltage has a 100% voltage ripple. Methods for controlling an electric motor using the electric motor controller are also provided. | 07-24-2014 |
20140260410 | METHODS AND SYSTEMS FOR CONTROLLING POWER TO AN ELECTRIC MOTOR - Methods and systems for controlling an electric motor are provided herein. The system is configured to be coupled to a power supply. The electric motor system includes a rectifier, an electric motor, and a microcontroller. The rectifier is configured to convert an alternating current (AC) voltage input to a direct current (DC) voltage. The microcontroller is configured to extract power from a generator device. | 09-18-2014 |
20140265956 | METHODS AND SYSTEMS FOR CONTROLLING AN ELECTRIC MOTOR - A system and method of controlling an electric motor using a motor controller are provided. The system includes an electric motor controller configured to be coupled to an electric motor and to control the electric motor to produce approximately constant average torque. The controller includes a rectifier configured to convert an AC input voltage to a pulsing DC voltage, a DC link electrically coupled to the rectifier, an inverter electrically coupled to the DC link and configured to generate a three phase AC voltage to drive the electric motor, and a controller configured to receive a measurement of a motor current value for the motor, estimate a torque generated in the electric motor using the measurement of the instantaneous motor current value, and generate a real-time current demand signal using the estimated torque value, the real-time current demand signal compensating the motor controller to produce a substantially constant average motor output torque. | 09-18-2014 |
20140265974 | METHODS AND SYSTEMS FOR STARTING AN ELECTRIC MOTOR - Methods and systems for starting an electric motor using a motor controller including a processor are provided. The method includes determining if the electric motor is operating, increasing a failed start counter if the electric motor is determined not to be operating, determining a reverse rotation by comparing a failed start counter to a predetermined threshold, and applying a reverse rotation start routine to the electric motor when a reverse rotation is determined. | 09-18-2014 |
20140265987 | METHODS AND SYSTEMS FOR INDUCTIVE ENERGY MANAGEMENT - A controller configured to be coupled to an electric motor. The controller including a processor programmed to receive a signal indicating a stopping command of the electric motor, and control a current such that a capacitor coupled to the electric motor is not overcharged by regenerative energy when a stopping of the electric motor has commenced, wherein controlling the current includes one of the following: upon receiving the signal indicating the stopping command of the electric motor, ramping the current down below a threshold level, or upon receiving the signal indicating the stopping command of the electric motor, forcing the current to circulate in motor windings to prevent regeneration of energy in the capacitor. | 09-18-2014 |
20140265989 | METHODS AND SYSTEMS FOR PROGRAMMING AN ELECTRIC MOTOR - Methods and systems for programming an electric motor are provided. An electric motor controller configured to be coupled to an electric motor is configured to control the electric motor to produce torque when direct current (DC) link voltage has up to 100% voltage ripple. The controller includes a first power input, a second power input, and a third power input, an energized line detection device, and a microprocessor. Each power input is configured to receive power from an alternating current (AC) power source. The energized line detection device is configured to sense which power input has received power from the AC power source and output an isolated signal. The microprocessor is coupled downstream from the energized line detection device and is configured to determine an operating profile for the electric motor based on the isolated signal. | 09-18-2014 |
20140265990 | METHODS AND SYSTEMS FOR CONTROLLING AN ELECTRIC MOTOR - A system and a method of automatically determining an electric motor type are provided. An electric motor drive controller is configured to be coupled to an electric motor and to determine running parameters of the drive controller for the electric motor. The drive controller includes a memory device, a processor communicatively coupled to the memory device and to a user interface wherein the processor is configured to execute instructions stored on the memory device that cause the processor to automatically measure electrical characteristics of the electric motor, identify the electric motor using the measured electrical characteristics, load pre defined running parameters selected based on the identification into the memory device, and control an operation of the electric motor using the controller and the loaded running parameters. | 09-18-2014 |
20150054442 | METHODS AND SYSTEMS FOR CONTROLLING A MOTOR - A control system for a motor includes an inverter coupled to the motor. The control system further includes a microcontroller coupled to the inverter. The microcontroller includes a processor programmed to measure an input voltage and acquire a back EMF voltage of the motor. The processor is also programmed to control the inverter to regulate the motor voltage based on the input voltage and the back EMF voltage to facilitate controlling the motor. | 02-26-2015 |
20150162859 | METHODS AND SYSTEMS FOR CONTROLLING AN ELECTRIC MOTOR - Methods and systems for controlling an electric motor are provided. An electric motor controller is configured to be coupled to an electric motor. The controller includes a rectifier, an inverter coupled to the rectifier, and a control unit coupled to the inverter. The rectifier is configured to rectify an alternating current (AC) input voltage to produce a pulsed direct current (DC) voltage that drops to approximately zero during each cycle when the AC input voltage transits zero. Energy is stored on a load coupled to the motor when AC input voltage is available. The inverter is configured to receive the DC voltage and to provide a conditioned output voltage to the motor. The control unit is configured to manage energy transfer between the motor and the load such that the motor generates positive torque when the DC voltage supplied to the inverter has approximately 100% voltage ripple. | 06-11-2015 |
20150180401 | METHODS AND SYSTEMS FOR ENVELOPE AND EFFICIENCY CONTROL IN AN ELECTRIC MOTOR - An air moving system including an electric motor, a load coupled to the electric motor, and a motor drive controller coupled to the electric motor is provided. A DC voltage generated from an AC input voltage provided to the electric motor tends towards zero at about twice a frequency of the AC input voltage. The motor drive controller includes an adjustment control module configured to receive a measurement of an instantaneous motor current value for the electric motor, determine a flux component value based on the instantaneous motor current value, and determine, based at least in part on the flux component value and a flux component demand value, an adjusted flux component demand value that causes the motor drive controller to adjust an operation such that an average flux component value based on the flux component value is substantially similar to the flux component demand value. | 06-25-2015 |
20150207449 | METHODS AND SYSTEMS FOR TRANSIENT VOLTAGE PROTECTION - Protection of an electric motor drive controller from a transient voltage is described herein. The transient voltage is provided by an alternating current (AC) power line that includes a line conductor, a neutral conductor, and a ground conductor. The transient voltage protection system includes a first stage protection device coupled to an input of a rectifier of the motor drive controller. The first stage protection device is configured to suppress the transient voltage to prevent damage to the motor drive controller. The transient voltage protection system also includes a second stage protection device coupled between the rectifier and an inverter of the motor drive controller. The second stage protection device is configured to further suppress the transient voltage to prevent damage to the inverter. | 07-23-2015 |
20150326152 | ELECTRIC MOTOR CONTROLLER AND METHODS OF DETERMINING INPUT POWER LINE ENERGIZATION - An electric motor controller and methods of determining which input power line of a plurality of input power lines of a motor drive controller has been energized are provided. An electric motor controller configured to be coupled to an electric motor includes a plurality of power input lines configured to receive an alternating current (AC) input voltage from an AC power source, an energized line detection device configured to sense that a power input line has been energized by the AC power source, and configured to output an isolated signal, and a rectifier configured to convert the AC input voltage having a frequency to a direct current (DC) voltage. The controller also includes a computing device coupled downstream from the energized line detection device and configured to determine which input power line has been energized. | 11-12-2015 |
20160040683 | FAN - A centrifugal fan is described. The fan uses a blade that is tapered across the span of the blade. The taper can be larger towards the end opposite of the inlet or larger at the inlet. The blade may be backwardly inclined and/or curved. The fan may also include a turning vane. | 02-11-2016 |
20160079888 | SYSTEM AND METHOD FOR CONTROLLING A MOTOR - An interleaved bridgeless power factor correction (PFC) converter-based motor drive system is provided. The system includes a first inductor coupled to a second inductor. The coupled first and second inductors are coupled to a first input configured to be coupled to a first line of an alternating current (AC) power supply. The system also includes a third inductor coupled to a fourth inductor. The coupled third and fourth inductors are coupled to a second input configured to be coupled to a second line of the AC power supply. The system further includes a digital active power factor correction (PFC) controller configured to cause current in at least one of the coupled first and second inductors and the coupled third and fourth inductors to be interleaved. | 03-17-2016 |
20160084268 | SYSTEM AND METHODS FOR REDUCING NOISE IN AN AIR MOVING SYSTEM - A centrifugal blower system includes a centrifugal blower assembly for generating airflow. The centrifugal blower assembly includes a housing, a motor coupled to the housing, and at least one impeller coupled to the motor. A motor controller is coupled to the motor. The motor controller is configured to receive at least one feedback parameter and to transmit instructions to the motor to control an operation of the motor based on the at least one feedback parameter. The operation of the motor is configured to reduce noise in the centrifugal blower system. | 03-24-2016 |
20160111925 | RADIALLY EMBEDDED PERMANENT MAGNET ROTOR AND METHODS THEREOF - In one embodiment, a permanent magnet rotor is provided. The permanent magnet rotor includes at least one permanent magnet and a substantially cylindrical rotor core including an outer edge and an inner edge defining a central opening. The rotor core includes a radius R, at least one pole, and at least one radial aperture extending radially though the rotor core from the outer edge to a predetermined depth less than the radius. The at least one radial aperture is configured to receive the at least one permanent magnet. The rotor further includes at least one protrusion extending into the at least one radial aperture, the at least one protrusion positioned substantially along a bottom of the at least one radial aperture and configured to facilitate retention of the at least one permanent magnet within the at least one radial aperture. | 04-21-2016 |
Patent application number | Description | Published |
20120175820 | DIGITALLY PREPARED STAMP MASTERS AND METHODS OF MAKING THE SAME - Positive and negative stamp masters derived from UV curable ink molds comprising ultraviolet (UV) curable inks and methods for digitally preparing those stamp masters. In particular, the digitally prepared molds provide a method of printing micropatterns of fine variable features or images in a more efficient manner than the methods currently available. | 07-12-2012 |
20120177769 | DIGITALLY PREPARED STAMP MASTERS AND METHODS OF MAKING THE SAME - Positive and negative stamp masters derived from UV curable ink molds comprising ultraviolet (UV) curable inks and methods for digitally preparing those stamp masters. In particular, the digitally prepared molds provide a method of printing micropatterns of fine variable features or images in a more efficient manner than the methods currently available. | 07-12-2012 |
20120190765 | ROBUST CURABLE SOLID INKS - Curable solid inks which are solid at room temperature and molten at an elevated temperature at which the molten ink is applied to a substrate. In particular, the curable solid inks of the present embodiments retain the advantages of handling, safety, and print quality usually associated with conventional curable solid phase change inks but have replaced the petroleum-based materials generally used in the conventional inks with renewable “green” materials to provide a robust and environmentally-friendly curable solid ink. | 07-26-2012 |
20130344232 | METHODS OF FORMING CONDUCTIVE FEATURES ON THREE-DIMENSIONAL OBJECTS - A method of forming a conductive feature on a three-dimensional object may include depositing a composition comprising nanoparticles onto a portion of the three-dimensional object, and annealing the composition to form the conductive feature. In another embodiment, a method of forming a conductive feature on a three-dimensional object may include printing a composition comprising nanoparticles to produce a contiguous line over a non-planar portion of the three-dimensional object, and heating the composition to form a conductive feature that has conductivity throughout. | 12-26-2013 |
20150051342 | CURABLE PHASE CHANGE INK COMPOSITIONS - A phase change ink composition is provided comprising a UV-curable component, a crystalline component, and an amorphous component, wherein the addition of a UV-curable component imparts improved robustness over the ink that contains only crystalline and amorphous materials. | 02-19-2015 |
20150080514 | PROTECTIVE OVERCOAT FOR PRINTED IMAGES - A method includes forming a film over a printed image on a substrate, the film includes a print overcoat composition having a binder that includes an aqueous vinylacetate-ethylene copolymer emulsion, (1) a particulate additive as a dispersion or emulsion, (2) a co-binder, or (3) both, and a surfactant, the film provides wear and scratch resistance to the printed image. | 03-19-2015 |
20150114246 | EMULSIFIED ELECTRORHEOLOGICAL INK FOR INDIRECT PRINTING - An emulsified aqueous ink comprising an electrorheological fluid including a liquid phase and a solid phase, and a co-solvent, which is suitable for use in an indirect printing method. | 04-30-2015 |
20150116417 | EMULSIFIED AQUEOUS INK COMPRISING REACTIVE ALKOXYSILANE FOR INDIRECT PRINTING - An emulsified aqueous ink comprising a reactive alkoxysilane, a humectant; and a colorant, which is suitable for use in an indirect printing method, and a method of printing using the emulsified aqueous ink. | 04-30-2015 |