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A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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Class 322/34 - In generator and/or driving means


Subclass of Class 322 - Electricity: single generator systems
Definition: Subject matter wherein the thermal condition or conditions
No. of patents: 35
Last issue date: 10/18/2011


NumberTitleIssue Date
8040112Vehicle-use power generation control device
The vehicle-use power generation control device includes a first function of detecting a temperature around a generator mounted on a vehicle, a second function of setting a target control voltage in accordance with the temperature detected by the first function, and...
10/18/2011
7397224Voltage regulator with improved protection and warning system
This invention discloses a vehicle electrical system voltage regulator with improved electrical protection and warning means that discerns and responds to regulator, generator, or vehicle electrical system operation and malfunctions. The regulator includes monitorin...
07/08/2008
7335124Vehicle transmission control device
The invention is directed to a transmission that controls multiple torque generating elements. The transmission control device utilizes two torque generating elements that are connected to an output element through a differential which has two degrees of freedom and...
02/26/2008
7276882Regulator control circuit and method
Switching devices control the rectification and flow of alternating current power from a source such as an alternator to a load such as a battery in response to both the voltage of the battery and a minimum selected time period that is selected to eliminate or reduc...
10/02/2007
7253590Output control device of generation device
An output control device of a generation device including: a rectifier circuit that rectifies an output of an AC generator and applies the output across a battery; an inverter circuit provided between the battery and the generator; inverter control means for control...
08/07/2007
7245099Electronic apparatus that allows cooling fan to be driven with certainty even at the time of software malfunction/lock-up or at the time of controller failure
A voltage for driving a cooling fan is usually output from a fan voltage control circuit. Whether to cause the fan voltage control circuit to output the drive voltage or not is controlled by a system management utility (software) and a bridge controller (hardware) o...
07/17/2007
7224078Electric 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
7176659Vehicle electrical power supply system for supplying power to a high power load
The present invention provides an electrical power supply system for an automotive vehicle with high reliability and small size in which an adequate power is supplied to both a high power load like a blower motor and a conventional load like a battery by using a con...
02/13/2007
7164247Motor torque control apparatus and method for automotive vehicle
A motor torque control apparatus for an automotive vehicle includes a transmission which has either one of a fixed speed ratio and a variable speed ratio; at least one motor/generator coupled with the transmission as a propelling power source of the vehicle, a power...
01/16/2007
7122993Regulated voltage control override
Apparatus and methods are provided for controlling a voltage output of an alternator having a regulated voltage control (RVC). The apparatus includes a processor configured to transmit one of at least two control signals and a switch coupled to the processor and con...
10/17/2006
7116081Thermal protection scheme for high output vehicle alternator
A system and a method for thermally protecting a high output vehicle alternator are provided. The high output vehicle alternator includes a duty cycle control system. The duty cycle control system includes an alternator temperature signal generator and an alternator...
10/03/2006
7109680Inverter device
An object is to provide an inverter device capable of realizing exact protection of the winding of a motor. An inverter device for generating a pseudo alternating current by switching a direct current to drive a motor, comprises a controller that executes vector con...
09/19/2006
7110867Vibration suppression apparatus and method for hybrid vehicle
In vibration suppression apparatus and method for a hybrid vehicle, the hybrid vehicle comprises at least one main power source, a plurality of auxiliary power sources, and a planetary gear mechanism to modify a gear ratio when an output of the main power source is ...
09/19/2006
7084609Alternator controlled rectifier
A system and method for controlling the voltage output of an alternator is disclosed. The system includes an alternator having a rotor, which has a field winding, a stator having a plurality of phases, a rectifier bridge connected to the plurality of phases, at leas...
08/01/2006
7023102Power generation controller for AC generator
A power generation controller for an AC generator detects the state of a battery and an electric load to control the output of the AC generator. A current detector detects a current to be used by an electric load on the vehicle. The controller includes a field curre...
04/04/2006
7023201Magnetic position sensor apparatus and method
A magnetic position sensor has a stator (16′, 36, 52) formed of magnetic material and a pair of magnets (14a, 14b; 34a, 34b; 54a, 54b; 64a, 64b) ...
04/04/2006
6940275Magnetic position sensor apparatus and method
A magnetic position sensor has a stator (16′, 36, 52) formed of magnetic material and a pair of magnets (14a, 14b; 34a, 34b; 54a, 54b; 64a, 64b) ...
09/06/2005
6912238Particle beam device
A laser and method of producing laser light. The laser and method involve passing a high energy beam of particles through an evacuated chamber. A static electric or magnetic field is established in the chamber in a direction that is essentially perpendicular to the ...
06/28/2005
6828701Synchronous machine with power and voltage control
A synchronous machine for power and/or voltage control comprises a stator with a stator winding and a rotor with a field winding. The stator winding comprises a high-voltage cable with solid insulation. A rotor has a thermally based rotor current limit intersecting ...
12/07/2004
6633802Power management under limited power conditions
A vehicle power system includes a multiple of electrical generators which provide power for vehicle electrical systems or loads through an electrical load management center which communicates with a general purpose processor set such that the power suppli...
10/14/2003
6222349Temperature feedback control of alternator output power
A charging system including an alternator, and a controller for controlling the output of the alternator to provide a required output to be in tolerance with a measured load, the controller having at least one temperature sensor, and a temperature control...
04/24/2001
6014015Electrical generator employing rotary engine
A system for generating electrical power signals from a fluid fuel source. The system comprises an engine and a generator. The engine burns the fuel and is connected to the generator such that the generator generates a raw power signal. An output stage ge...
01/11/2000
5925939Controller for car generator
The startability of an internal combustion engine at low temperatures is improved and the revolution stability of the internal combustion engine right after start-up is increased by setting the predetermined maximum value of field current to a low level a...
07/20/1999
5754030Duty ratio control for a vehicular generator responsive to low and high power loads
Duty ratio of a power switching transistor connected to the field coil is controlled according to whether or not a high-power load is connected. When the high power load is not connected, the duty ratio is made 60%, for example, so that excessive power no...
05/19/1998
5726559Synchronous electric power generating apparatus and magnetization control method for the same
In order to restrain increase in rotor temperature and reduction in field magnetic flux in an AC power generator, advanced-phase currents are supplied to stator windings of a stator via semiconductor switching devices by controlling the semiconductor swit...
03/10/1998
5321308Control method and apparatus for a turbine generator
A control method and apparatus for a gas turbine generator is disclosed having multiple modes of operation dependent on generator output components including real power generated, reactive power generated, and power factor. The apparatus provides for sele...
06/14/1994
5298852Arrangement for and method of controlling a three-phase-generator in a vehicle
The method of regulating a motor vehicle three-phase generator for operation in an overexcited range includes determining a temperature of the generator by a temperature-determining device provided in a voltage regulator circuit for the generator, support...
03/29/1994
5298842Thermal protection for locomotive main traction alternators
In a thermal overload protection system three system variables are sensed and provide the inputs required for a calculation conducted in real time at one second intervals. The system variables include ambient inlet air temperature to the alternator, alter...
03/29/1994
5075616Engine generator apparatus and method of operating same
When a motor/generator is changed over from a motor mode to a generator mode, field current is minimized. In the generator mode, idling is performed until the engine temperature attains a set temperature, after which the field current is supplied. As a re...
12/24/1991
4890050Automotive alternator
An automotive alternator includes a thermal switch located in a rear chamber of the alternator enclosed by the housing rear wall and circumferential intermediate wall and the stator and rotor. The thermal switch is mounted on the heat-sinking collector ta...
12/26/1989
4727307Control apparatus for vehicular generator
A control apparatus for a vehicular generator for use in an automobile, etc., in which the temperature of the generator is detected so as to control switching of the field current of the generator when the temperature of the generator is below a predeterm...
02/23/1988
4694239Electronic voltage regulating device with compensation for thermal dissipation, particularly for alternators
The voltage regulating device, compensating the error due to the heat dissipated by the power element that drives the load, specifically an excitation winding of a motor car battery charging alternator, comprises a control stage including a temperature se...
09/15/1987
4629967Generator voltage regulator
A voltage regulating system for a diode-rectified alternating current generator that supplies the electrical loads on a motor vehicle including charging the storage battery. The voltage regulator has a reference voltage developing circuit that can operate...
12/16/1986
4496898Vehicle A.C. generator with constant output power
An alternating current (AC) generator of the type used in vehicular applications and driven by the vehicle engine has a stator winding and a field winding wherein the electrical resistance of the field winding varies as a function of temperature. An excit...
01/29/1985
4398140Control apparatus for charging generator
A control apparatus for a charging generator for charging a battery comprises a first temperature detecting element having a positive temperature coefficient which detects the variation of ambient temperature of a voltage regulator to impart a negative te...
08/09/1983
 
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