Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 7800872 | Switch-state monitoring device Provision is made for a switch-state monitoring device that not only monitors the state of a switch but also prevents a motor burnout. A switch-state monitoring device for a switch that opens and closes a main circuit by use of a motor is provided with an operating ... | 09/21/2010 |
| 7630180 | Motor starter circuit The invention concerns a motor starter circuit for an induction motor, particularly a single-phase AC induction motor, with a main winding (4) and an auxiliary winding (5) supplied with current, particularly AC, via current supply connections (24, 2... | 12/08/2009 |
| 7489484 | Protective device for a controlling system of a sewage pump A protective device for a controlling system of a sewage pump has a protective circuit to protect a start capacitor and to avoid the start capacitor from burnout when an overload is occurred by actuating power source (ON status) or a transient voltage is occurred by... | 02/10/2009 |
| 7372686 | Power supply apparatus capable of detecting abnormality in current flowing in drive circuit A current detection unit samples motor current at every cycle corresponding to a cycle of the highest processing speed of a CPU. A current integral calculation unit integrates the value of the sampled motor current over a sampling period to calculate and output a cu... | 05/13/2008 |
| 7355826 | Power supply apparatus capable of detecting abnormality of current flowing through drive circuit A current detection unit starts sampling of a motor current at the timing when the motor current has exceeded a threshold value, and holds a maximum motor current value for each prescribed operation cycle. An abnormality determination unit determines whether the max... | 04/08/2008 |
| 7345859 | Method and a control system for starting a motor A method for starting a battery driven motor, wherein an input voltage is measured continuously. In case the input voltage becomes smaller than a predefined minimum voltage the attempt to start the motor is stopped and the maximum permitted current level to be suppl... | 03/18/2008 |
| 7265954 | Method for estimating DC motor coil temperature, DC motor control method and their devices Resistance of the coil of a DC motor is calculated by using the motor current and the motor voltage, and the coil temperature is estimated by using the resistance-temperature characteristics of the coil. ... | 09/04/2007 |
| 7212390 | Electronic control circuit for a starting switch of a motor vehicle An electronic control circuit for a motor vehicle starter contacter includes a management unit (26) having: first means for detecting the open or closed state of the power contact (20), and second mea... | 05/01/2007 |
| 7084588 | Method, apparatus and article for motor control voltage dropout detection A control subsystem for an electric motor determines whether power was interrupted, and delays torque production if power was interrupted. The control subsystem may employ two separate non-volatile memory locations, or alternatively a single non-volatile memory loca... | 08/01/2006 |
| 6992452 | Dynamic current limiting A system and method for generating commands for current subject to dynamic determinations of a limit. In one embodiment, the dynamically determined limit is a function of power dissipation in a component estimated from a measured current level and as a function of a... | 01/31/2006 |
| 6876166 | Electric-motor drive An operational check of the safety unit or the safety circuit takes place within the delay time of the relay, assigned to each motor, caused by the pick-up delay or the release delay. Also, the control unit can be equipped such with at least one safety component and... | 04/05/2005 |
| 6563287 | Method of controlling three phase motor starting sequence A motor starter. The motor starter comprises a motor; start, run, shorting and transition contactors operably associated with the motor; and run, start, shorting and transition auxiliary contactors. The transition auxiliary contactor operably controls the... | 05/13/2003 |
| 6534947 | Pump controller A method and apparatus for controlling an electric motor pump. The method includes the acts of providing an AC power signal having a positive half cycle and a negative half cycle, measuring the voltage of the AC power signal and generating a first two-sta... | 03/18/2003 |
| 6456034 | Device for controlling the power supply of an electric starter motor of a motor vehicle and a starter unit containing such a device In a device for controlling the power supply of the electric motor of a starter of a motor vehicle, and of an automobile in particular, a power switch is connected in series with the electric motor to control the motor power. The switch consists of an ele... | 09/24/2002 |
| 6370002 | Electromagnetic operation of the processing of objects In an electromagnetic operating system having a coil for electromagnetically controlling a mechanical operating member for operating the processing of objects in response to an alteration in an electrical voltage condition, the control system is arranged ... | 04/09/2002 |
| 6188551 | Method of controlling compressor for refrigerator A method of controlling a refrigerator including a power supply unit, an inverter applying three-phase power to a compressor is disclosed. The compressor is driven initially for a predetermined period of time. If the RPM of the compressor is not within th... | 02/13/2001 |
| 6075329 | Speed control device for a ceiling fan The present invention provides a speed control device for a ceiling fan which comprises a MOSFET, a signal generator and an overload protector. The MOSFET is connected to the ceiling fan and power source via a bridge rectifier for controlling power suppli... | 06/13/2000 |
| 6054826 | Backward drive control system for motorcycle Backward movement of a heavy motorcycle is assisted by a starter motor for cranking an engine of the motorcycle. A backward drive control system includes a pulse width modulation circuit for supplying operating current to the starter motor in a controlled... | 04/25/2000 |
| 5995347 | Method and apparatus for multi-function electronic motor protection A multi-function protection system (8) for protecting electrical equipment such as a screw compressor motor is shown having a housing (10, 20) mounting current sensing toroids (CT1, CT2, CT3) and associated circuitry as well as associated circuitry for te... | 11/30/1999 |
| 5862673 | Operational control apparatus for home appliances and control method therefor A home appliance such as an air conditioner, refrigerator, television, or tape recorder, includes a drive element, a controller for controlling the drive element, and a manual input panel for enabling a user to input a drive signal for driving the drive e... | 01/26/1999 |
| 5838591 | Temperature control apparatus for motor and information storing medium used therefor An apparatus is provided for controlling temperature of a motor by estimation. The temperature apparatus includes an initial setting circuit for setting an initial value of a temperature representative variable θ, a temperature rise estimating circuit fo... | 11/17/1998 |
| 5831804 | Method and apparatus for controlling a contactor for powering a motor vehicle starter Starting power supply to starter windings is interrupted whenever a power contact for the starter is still open after a predetermined time delay from initiation of the power supply to the starter. The invention also provides apparatus for controlling a co... | 11/03/1998 |
| 5684342 | Starter with overload relay having power off cooling for multiple class loads A starter comprising a contactor with an overcurrent relay provides an appropriate cooling interval for each of multiple classes of a load, such as a motor. An analog equivalent of a digital I2 t value calculated by a microcomputer in the overl... | 11/04/1997 |
| 5684662 | Driving apparatus for stabilizing operation of an extensible-retractable power antenna The driving apparatus for a power antenna, e.g. an extensible-retractable automotive radio antenna, is provided with stability function which controls the operation of the motor driving the power antenna until the power antenna is varied into a state for ... | 11/04/1997 |
| 5668451 | Method for monitoring the opening and closing process in a system having at least one component moved by electric motor A method for monitoring the opening and closing process in a system having at least one component moved by electric motor is described. During this process, the following process steps are provided: during the movement of the components, all operating paramete... | 09/16/1997 |
| 5663858 | Method for fault correction in a power converter circuit arrangement A method for fault correction in a power converter circuit arrangement. The power converter circuit arrangement has a plurality of switch modules which consist, for their part, of a parallel circuit of semiconductor chips. The semiconductor chips are inte... | 09/02/1997 |
| 5598312 | Device for controlling a mechanism driven by a lens one electric motor The invention relates to a device for controlling a mechanism driven by at least one electric motor (11, 12), said device comprising a circuit (20, 38) for detecting the power consumption of the mechanism and for comparing the detected value with at least... | 01/28/1997 |
| 5585990 | Electronic motor protection apparatus An electronic motor protection system is shown having a power supply usable with multivoltage supplies and providing protection from over-temperature conditions caused by various fault conditions. The system also has optional features of a time delay for ... | 12/17/1996 |
| 5579194 | Motor starter with dual-slope integrator A motor starter includes separable contacts interconnected between an alternating current (AC) power source and an AC motor for switching an AC load current which flows from the power source and through the separable contacts; a dual-slope analog-to-digit... | 11/26/1996 |
| 5574346 | On and off state fault detection circuit for a multi-phase brushed or brushless DC motor A fault detection circuit monitors voltage drops associated with phase windings of a brushed or brushless reversible multi-phase motor and compares them with reference voltages to determine if the motor is out of normal operating range parameters and if a... | 11/12/1996 |
| 5485363 | Warm-up time delay system for relay controlled electrical power supply The status of a power supply is monitored to control operation of on-time and off-time counters respectively producing a power restart time count and measuring the duration of power interruptions. The restart time is computed as a function of the measured... | 01/16/1996 |
| 5473497 | Electronic motor load sensing device A device for measuring energy delivered by a motor to a load is adapted to be connected to the motor which is coupled to the load and connected to a power source through first and second power supply lines. The device includes a line voltage sensing circu... | 12/05/1995 |
| 5461531 | Controller apparatus for electric vehicle A controller apparatus for an electric vehicle includes a power supply, a power converting section for converting power supplied from the power supply, a motor which receives an output from the power converting section to drive the electric vehicle; an ac... | 10/24/1995 |
| 5455469 | Comparator controlled delay-on-break devices A delay-on-break circuit adaptable for A.C. or D.C. applications utilizes a timer and a pair of comparators to prevent a load from being re-energized until at least a predetermined period of time has elapsed since the most recent deenergization of the loa... | 10/03/1995 |
| 5455731 | Power controller reset during load starting A solid state power controller is automatically reset if an overload trip occurs during a start-up delay period. If an overload trip occurs during load starting, the SSPC remains tripped for a reset delay period, and thereafter the SSPC is automatically r... | 10/03/1995 |
| 5260634 | Constant current driving system for a stepper motor in rotating disk In order to drive the stepper motor of a floppy disk drive with practically constant current in the face of fluctuations in supply voltage fed from a host system, a power control pulse generator circuit is provided which produces a series of power control... | 11/09/1993 |
| 5222009 | Solid state overload relay An overload control circuit and method of operation for protecting a three-phase motor from damage due to overload includes monitors reading the load on each phase of the motor and circuitry for combining the three separate phase signals into a single com... | 06/22/1993 |
| 5168415 | Motor control method A motor control method for determining the temperature of a motor wherein the operation and nonoperation times of the motor are monitored, an estimated temperature is determined as a function of the monitored times and predetermined temperature rise and t... | 12/01/1992 |
| 5111123 | Motor driver interface fault detection apparatus using initial turn-on and noise timers A motor driver interface (MDI) circuit includes fault detection apparatus effective to detect short circuits to the power supply in the switching transistors of an H-bridge reversible DC motor arrangement. A pair of timers distinguishes a true fault condi... | 05/05/1992 |
| 4991049 | Anti-short-cycle circuit A protective time delay delay circuit delays energization to an electric load until a predetermined time has elapsed from a previous deenergization. A transistor has its emitter connected to an ac conductor and has its base coupled to an RC timing circuit... | 02/05/1991 |
