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A Receptacle for supporting, rotating and sculpting a portion of ice cream or similarly malleable food while it is being consumed.
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| Number | Title | Issue Date |
| 7262578 | Direct control of an induction motor This invention relates to sensorless control (i.e. without encoder at the motor shaft) of an induction motor (AC asynchronous motor). In particular, the invention comprises a method for a direct measurement of the electromotive forces (EMF) at the stator of the moto... | 08/28/2007 |
| 7245096 | Method and apparatus for controlling the speed of a DC motor A method and apparatus for controlling the speed of a DC electric motor receives a periodic commutation signal having a fixed duration on cycle and an off cycle. The commutation signal then is modified to form a periodic modified commutation signal having substantia... | 07/17/2007 |
| 7207711 | Mixing device with variable speed drive and related control features A mixing machine includes a drive assembly and control system for making speed changes on the fly and for providing controlled acceleration and deceleration. A bowl receiving portion may be movable between a lowered position and a raised position with a power bowl l... | 04/24/2007 |
| 7161316 | Method and apparatus for discrete speed compensated torque step motor control Methods and apparatus for controlling a motor are provided. The motor may be operated in a fluid system having a variable static pressure acting on the motor. The method including operating the motor at a first substantially constant torque level, varying the static... | 01/09/2007 |
| 7148634 | Synchronization device particularly for at least two windshield wipers A synchronization device particularly for at least two windshield wipers, comprising at least two wipers, each of which is composed of a blade that is kinematically connected to an electric motor or gearmotor in order to oscillate between two preset positions; eleme... | 12/12/2006 |
| 7132808 | Solid state series motor control A solid state series motor control includes first and second FORWARD DRIVE elements, first and second REVERSE DRIVE elements, first and second diodes, a current sensor, and a capacitance. The series motor control is conf... | 11/07/2006 |
| 7133603 | Motor driving apparatus, digital camera, and motor controlling method A motor driving apparatus includes a power circuit that controls an output voltage via a feedback resistance. The power circuit varies the output voltage by changing a value of the feedback resistance at a time of at least one of activation and termination of a moto... | 11/07/2006 |
| 7111976 | Mixing device with variable speed drive and related control features A mixing machine includes a drive assembly and control system for making speed changes on the fly and for providing controlled acceleration and deceleration. A bowl receiving portion may be movable between a lowered position and a raised position with a power bowl l... | 09/26/2006 |
| 7096796 | Brake handle with integral position sensing switch A brake handle for a train or other vehicle has a grip that may be grasped by a human operator, a shaft that is fastened to the grip, a hub that is fastened to the shaft and is rotated by the shaft, a mounting block that is supported by the hub for rotating movement... | 08/29/2006 |
| 7000285 | Control circuitry for enabling drive system for vacuum cleaner A self-propelled appliance comprises a base, electric motor mounting the base, a handle moveably depending from the base and a drive wheel mounted in the base and operatively connected to the motor. The control circuits comprising an enable switch and a base switch ... | 02/21/2006 |
| 6949900 | MCU control for brushless DC motor A processor for controlling a sensorless, brushless DC motor is disclosed comprising a first output for providing a control signal to a potentiometer controlling the speed and voltage of the DC motor. The processor also includes a second input for receiving a back-E... | 09/27/2005 |
| 6931287 | Remote console A position display system for displaying a position of a device, the system including a device, a position measuring device that measures a position of the device and a host readout device that is mounted at a first location. The host readout device receives a signa... | 08/16/2005 |
| 6762578 | Motor controller for a motor with feedback potentiometer The invention concerns a motor controller for a motor with a feedback potentiometer, preferably for central air valve actuation. In the field of climate control, for example for utility vehicles and motor vehicles, the air ducts in heating, air conditioning and/or v... | 07/13/2004 |
| 6693407 | Controller and associated system and method for pulse-width-modulation switching noise reduction by voltage control A system for controlling a brushless direct current (BLDC) motor includes a power supply having a controllably alterable voltage output, and a controller in electrical communication with the power supply and the motor. The controller receives the voltage ... | 02/17/2004 |
| 6359403 | Method and apparatus for setting the rotation speed of a drive motor of a work machine The method of setting rotation speed of a drive motor of a work machine, in which the drive motor has a device for control of motor rotation speed and for control of the travel speed independently of the rotation speed, includes setting the rotation speed... | 03/19/2002 |
| 6214074 | Odor/air purifier mountable under a kitchen cabinet An air purifier unit having a mounting assembly that allows the mounting of the unit underneath a cabinet or on any like flat surface. A cartridge filter is provided and easily ejected or replaced through a filter door in the face of the enclosure. A moto... | 04/10/2001 |
| 5925999 | Three-speed dual-winding direct current permanent magnet motor method and apparatus A direct current motor having a primary armature winding, a secondary armature winding and a switching circuit adapted to selectively energize the primary winding and the secondary winding to achieve three-speed motor operation is disclosed. The system is... | 07/20/1999 |
| 5892885 | Variable speed control switch for direct current electric power tools A motor control circuit for a power tool includes a function switch which has a first battery contact, a speed control contact, a bypass contact and, a second battery contact connected in that order in a line. The function switch also has a movable contac... | 04/06/1999 |
| 5859509 | Adjustable speed control for children's ride-on vehicle An adjustable speed control for use on a children's ride-on vehicle, where the speed control includes a switch assembly interposed between the battery and the motor of the vehicle. The switch assembly is selectively operable to connect the battery to the ... | 01/12/1999 |
| 5630009 | Method and apparatus for controlling a DC electric motor A direct current (DC) electric motor is shifted between higher and lower operating speeds in response to motor operating conditions to prevent motor stalling, overheating and burnout. Switches are performed between two or among more than two operating cur... | 05/13/1997 |
| 5561734 | Dial speed control for hand-held power tool An electric tool including a variable speed switch assembly including a potentiometer having a central rotatable member defining a bore with a noncircular cross section and a molded plastic speed control wheel housing the potentiometer. The speed control ... | 10/01/1996 |
| 5544274 | Electrical arrangement in power tools--power tool with slide switch A power tool such as a hand held vacuum cleaner, has a housing and nozzle. The housing mounts a motor and switch carrier. A battery pack powers the motor. The electrical arrangements comprise conductors punched from a single strip and fixed in guides form... | 08/06/1996 |
| 5455886 | Electrical implement with variable speed control An electrical implement having a bypass mechanism for controlling a variable speed motor is disclosed. The implement includes a tool, a variable speed electrical motor activatable for driving the tool, a housing supporting the motor and tool, and a contro... | 10/03/1995 |
| 5444812 | Automatic speed servo-control apparatus for electrically powered walking-running exercise machine A speed servo-control apparatus is provided for use in combination with a walking-running exercise machine including a moving belt on which a user may walk or run and a direct current drive input for controlling the speed of the moving belt. The apparatus... | 08/22/1995 |
| 5416885 | Speed control device for DC motor A speed control device for a DC motor controls the rotational speed of the DC motor through adjustment of a duty cycle of a semiconductor switching element. The rotational speed to be obtained is determined by an amount of operation of an operation member... | 05/16/1995 |
| 5365155 | Rotational speed control and use of same to control the rotational speed of an electric hand tool motor The process of controlling rotational speed of an electric motor of an electric hand tool, including providing an electric motor of an electric hand tool with a rotational speed control comprised of displacement means for providing displacement in respons... | 11/15/1994 |
| 5352960 | Programmable speed selector for a Reeves drive A programmable speed selector is provided for automatically adjusting the speed of a Reeves drive. The speed selector includes an output shaft which attaches to the adjustment crank shaft of the Reeves drive and a reversible motor having a drive shaft for... | 10/04/1994 |
| 5208520 | Pedal assembly in sewing machine with potentiometer control device In the pedal assembly of a sewing machine drive device, a potentiometer operating member is guided by a mounting stand secured to the pedal stand, to control the slide shaft of a direct acting type potentiometer, and a speed changing pedal including a dep... | 05/04/1993 |
| 5123079 | DC motor and controlling system therefor A dc motor wherein a driving force thereof can be used effectively with a simple and compact mechanical construction and a motor controlling system which can control such a dc motor to be driven efficiently. The motor comprises at least two coils, and cha... | 06/16/1992 |
| 5097184 | Battery operated device A battery operated device includes a circuit connecting a DC motor (22) and a battery (9) made up of a plurality of cells (10, 11, 12) connected in series with a two-pole switch device (23) including a first switch (24) and a second switch (25). The DC mo... | 03/17/1992 |
| 5028854 | Variable speed motor drive A motor drive having a sensing input for sensing fault conditions and a speed control input for receiving a speed control signal. The variable speed motor drive is suitable for being powered by a power supply coupled to a supply input and controls motor s... | 07/02/1991 |
| 4888813 | Electronic speed control interlock A motor controller for use on a treadmill to prohibit the treadmill from operating at a high speed immediately upon energization. The controller uses solid state circuitry in a motor speed circuit with a speed setting potentiometer set by the user. The sy... | 12/19/1989 |
| 4855652 | Speed control apparatus for a brushless direct current motor AC power supply is converted to DC by a rectifier circuit. The DC is stepped up by a step-up chopper circuit. The output of the step-up chopper circuit is smoothed by a smoothing circuit. The output of the smoothing circuit is input to an inverter via a c... | 08/08/1989 |
| 4801854 | Adjustment and dialogue device more particularly for speed variators An adjustment and dialogue device, more particularly for speed variators comprises potentiometers for adjusting the operating parameters of the variator, a unit displaying these parameters, an advance knob for successively displaying these parameters, a p... | 01/31/1989 |
| 4789135 | Operating device for electric hoist An operating device for an electric hoist having a DC motor for raising and lowering an object, comprises a low speed adjusting setting unit (VR1) and a high speed adjusting setting unit (VR2) provided in a control box of the hoist. The operating device f... | 12/06/1988 |
| 4689534 | Electrically driven hand-operated tool The electrically driven hand tool such as hand-operated drilling, milling or sawing machine includes a universal driving electromotor controlled via electric circuits by means of a plurality of switches, the control elements of which are in the form of pu... | 08/25/1987 |
| 4673850 | Universal motor control system An electrical control means useful in systems wherein a motor, such as a blower motor for an air handling unit, must be run at different speed levels and wherein low voltage power must simultaneously be supplied to another part of the system such as a con... | 06/16/1987 |
| 4638879 | Device for regulating the speed of a vehicle, particularly an automotive vehicle, having an electronic regulator In a device for regulating the speed of a vehicle, particularly an automotive vehicle, having an electronic regulator, at least one first storage for the storing of a first speed desired-value signal as well as a control arrangement for the storage are pr... | 01/27/1987 |
| 4636961 | Control device for a hand-operated electric power tool An adjustment circuit for a hand-operated electric power tool includes a data input device for entering information concerning the kind of material to be treated and other information relevant to the operation of the tool. The selected binary coded addres... | 01/13/1987 |
| 4617500 | Wiring construction of a control switch controlling a ceiling fan The present invention discloses an improved wiring construction of a control switch controlling a ceiling fan, the control switch being manually operated by a cord hanging from the control switch, the wiring construction comprising connecting means having... | 10/14/1986 |
