Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7986114 | Fast startup supply for chip initialization A motor driver comprises a first power supply, a second power supply, a multiplexer, and an output power module. The first power supply provides a first power signal after a first period. The second power supply provides a second power signal after a second period, ... | 07/26/2011 |
| 7750584 | Fast startup supply for chip initialization A motor driver comprises a first power supply, a second power supply, a multiplexer, and an output power module. The first power supply provides a first power signal after a first period. The second power supply provides a second power signal after a second period, ... | 07/06/2010 |
| 7525264 | Shunt regulation apparatus, systems, and methods In some embodiments, an apparatus and a system, as well as a method and an article, may include receiving shunt current in one or more conductors according to a sensed component of power distributed by the conductors through one or more transformers coupled to the c... | 04/28/2009 |
| 7436148 | Method of determining voltage condition of fuel cell vehicle A method of determining voltage conditions of a fuel cell vehicle which includes a motor as a driving force source of the vehicle, a motor control device for controlling operation of the motor, a fuel cell, to which a reaction gas is supplied, for generating electri... | 10/14/2008 |
| 7411362 | Control device and control method of motor-driven 4WD vehicle A control device of a motor-driven 4WD vehicle includes: a 42V alternator 2 driven by an engine 1 to generate 3-phase AC electricity of 42 volts; a rectifying circuit 14 which rectifies the 3-phase AC electricity generated by the 42V alternator ... | 08/12/2008 |
| 7304445 | Locomotive power train architecture The present invention is directed to a power control architecture for a vehicle, particularly a locomotive, in which a number of energy sources are connected to a common electrical bus and selectively provide energy to the bus based on the relationship between their... | 12/04/2007 |
| 7224078 | Electric rotating machine for vehicle In a vehicle electric rotating machine having a power section formed of a pair of inverter modules of switching elements and diodes connected in parallel thereto, and a control circuit section that controls mentioned power section, there are separately located the c... | 05/29/2007 |
| 7203078 | Dual mode rectifier, system and method A system for generating an output power to a load is provided. The system comprises a generator configured for generating a variable frequency output power and a dual mode rectifier coupled to the generator and configured for being switched between a passive mode an... | 04/10/2007 |
| 7183728 | Motor drive system and process A motor drive system includes a multi-output dc power source providing three or more output potentials, and a switching circuit including switching devices connected, respectively, with the output potentials of the multi-output power source. A controller determines ... | 02/27/2007 |
| 7119504 | Protective circuit for reducing electrical disturbances during operation of a DC motor A protective circuit, for reducing electrical disturbances or interference during operation of a DC motor, features a series transistor (62) arranged in a supply lead from a DC voltage source (12) to a DC motor; an auxiliary voltage source (52),... | 10/10/2006 |
| 7116066 | Power supply circuit of a high speed electric motor A power control system (12) for an electric motor having at least one magnetic bearing includes a DC/DC converter (18) supplied from a DC link bus (179) connected to a main power supply (14), the bus (17) supplying power for the el... | 10/03/2006 |
| 7102304 | Control device for a reversible rotating electrical machine The invention relates to a control device for a reversible, multi-phased rotating electrical machine which can operate in alternator or motor mode. The inventive device comprises a main battery (4), an electric network (5) and a unit (3) for con... | 09/05/2006 |
| 7045979 | Multiple-speed electric machine and method of operating the same An electric machine assembly having an electric machine. The electric machine can include a first speed circuit and a second speed circuit. In some constructions, both speed circuits can be of a permanent split capacitor design. At least one of the speed circuits ca... | 05/16/2006 |
| 6930460 | Load driver with power storage unit In a load driving arrangement, electric power is supplied from an auxiliary battery to a main power supply when the power stored by charging in the main power supply is scarce at the startup of the system. The power is supplied to the main power supply by closing re... | 08/16/2005 |
| 6806671 | Power supply system and power supply method Power from a high voltage battery (10) (for example 36V) is supplied through an inverter (12) to a motor generator (14). A low voltage battery (20) (for example 12V) is connected through a reactor (18) to the neutral point of the m... | 10/19/2004 |
| 6798162 | 12/42 volt DC brush motor control system A system 10 provides a variable output voltage to a DC brush motor. The system includes a DC brush motor 14, a DC voltage source 12, a step-up, step-down DC/DC converter 16 including a switch 18. The DC/DC converter is constructed ... | 09/28/2004 |
| 6571163 | Electrically controlled, decentralized control system in a vehicle An electrically controlled, decentralized control system in a vehicle includes at least two energy sources which are independent of one another and at least two control units. In addition, at least one high-current load is allocated to each control unit. ... | 05/27/2003 |
| 6404151 | Electric vehicle drive An electric vehicle drive has an electric machine which can be alternatively driven as a motor or as a generator and has a d.c. connection to which a supply voltage can be applied, from a first energy source and/or a second energy source. The first energy... | 06/11/2002 |
| 5818194 | Direct replacement variable speed blower motor A blower motor unit having a variable speed motor and that is suitable for direct, drop-in replacement in a residential HVAC (heating, ventilation, and air conditioning) system that employs a PSC motor. The blower motor unit is provided with a neutral inp... | 10/06/1998 |
| 5566219 | X-ray apparatus comprising of a circuit arrangement for accelerating and decelerating the rotary anobe of a rotary-anode x-ray tube The invention relates to an X-ray apparatus, comprising a circuit arrangement for accelerating and decelerating the rotary anode of a rotary-anode X-ray tube in which phase-shifted alternating voltages can be applied to the stator windings of the drive mo... | 10/15/1996 |
| 4341982 | Simultaneous independent control system for electric motors A system for simultaneously and independently controlling a plurality of electric motors from a number of dispersed stations. The system operates by transmission of duty cycle modulated selected frequencies superimposed on a DC track voltage on a common p... | 07/27/1982 |
