U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5926874

Automatic Bed Maker

An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 290/40D - Control in response to a time standard


Subclass of Class 290 - Prime-mover dynamo plants
No. of patents: 40
Last issue date: 06/19/2007


NumberTitleIssue Date
7232401Method of compensating torque at cylinder switching on a DOD engine with electric parallel hybrid
A method for managing torque in a hybrid electric vehicle uses a displacement on demand (DOD) internal combustion engine (ICE), an electric machine and a battery. The method includes smoothing disturbances in ICE torque during a DOD transition using the electric mac...
06/19/2007
7230345Method for exercising a stand-by electrical generator
A method is provided for exercising an engine-driven, electrical generator. The generator has a first operation mode wherein the generator generates a predetermined output voltage at a predetermined frequency with the engine running a predetermined operating speed a...
06/12/2007
7206687Method for controlling a hybrid electric vehicle
The present invention provides a method adapted to control a hybrid electric vehicle having a primary power source and a secondary power source. The method includes estimating the power capability of the primary power source, and thereafter obtaining a power command...
04/17/2007
7146958Control apparatus for hybrid vehicle
An object is to improve fuel consumption efficiency. Accordingly, a fuel gradual addition delay time when starting (engine water temperature) TMKSTDLYT which changes in a decreasing trend with an increase in the engine water temperature is set (step S10). A f...
12/12/2006
7057304Drive control of hybrid electric vehicle
A drive device for a hybrid electric vehicle is provided with an engine (2) connected to a planet carrier (C) of a planetary gear set (1), a first motor/generator (3) and drive wheels (8) connected to a ring gear (R), a second motor/gener...
06/06/2006
7023103Apparatus for generating an electrical energy
An apparatus for generating an electrical energy includes an electrical generator coupled to one end of a rotating shaft and a flywheel coupled to the other end of the shaft. The flywheel has a plurality of blade members disposed on an outer surface thereof. An elec...
04/04/2006
7015594Vehicle-mounted electric generator control system which selectively supplies regenerative field current to battery in accordance with currently available generating capacity
A control apparatus for a vehicle electric generator judges the currently available generating capacity of the generator and establishes a regenerative current mode of operation, utilizing an induced current of the field winding, only when the generating capacity is...
03/21/2006
6998727Methods of operating a parallel hybrid vehicle having an internal combustion engine and a secondary power source
The invention is directed toward methods for operating a parallel hybrid vehicle in a manner that responds to the operator's demand for power output, while maximizing engine efficiency and minimizing disruptions in vehicle drivability. According to principles of the...
02/14/2006
6949841System for managing electric power in a hybrid motor vehicle
For a parallel hybrid motor vehicle equipped with a power unit comprising an electric machine and a heat machine and provided with a power or high-voltage battery and a duty or low-voltage battery, a system for managing energy includes means for managing the power o...
09/27/2005
6876098Methods of operating a series hybrid vehicle
The invention is directed toward methods for operating a series hybrid vehicle in a manner that responds to the operator's demand for power output, while maximizing engine efficiency and minimizing disruptions in vehicle drivability. According to principles of the p...
04/05/2005
6864593Device for producing of electric energy and of signal transmitting pressure pulses
The invention is directed to a device for the generation of pressure pulses, being intended for transmitting signals, in a fluid-carrying channel (2), using a pulser (1) designed to be integrated in the channel (2) and having a housing (4...
03/08/2005
6713888Vehicle motor-generator apparatus utilizing synchronous machine having field winding
A vehicle motor-generator apparatus based on a field winding type of synchronous machine coupled to a power inverter and a battery, wherein the synchronous machine is controlled to operate as a motor to perform engine starting and thereafter be driven by the engine ...
03/30/2004
6687607Method for controlling a drive train of a hybrid vehicle
An operating strategy for the components of the drive train is defined as a function of data which characterizes a route to be traveled along. Depending on the operating strategy and the route data, expected energy consumption and a time period for which ...
02/03/2004
6621175Engine control system for hybrid vehicle
An engine control system for a hybrid vehicle having an internal combustion engine and an electric motor as driving force sources, for permitting stopping and starting of the engine in accordance with predetermined drive conditions. The system includes a ...
09/16/2003
6608395Hybrid combined cycle power generation facility
A hybrid combined cycle power generation system for producing alternating current electric power. The system includes at least one industrial gas turbine and at least one aeroderivative turbine. The system may also include an HRSG and a steam turbine. Use...
08/19/2003
6541876Engine operated generator
A generator system arranged to respond to a variation in the load with a generous margin regardless of a change in the output of the generator or the engine due to degradation with the passage of time. The output current of the generator is rectified by a...
04/01/2003
6489692Method and apparatus for controlling rotation of magnetic rotor
A method and apparatus for starting a turbogenerator having a sensorless magnetic rotor supported for rotation in a stator by a compliant foil fluid film bearing, the method comprising energizing the stator to generate a continuously rotating magnetic fie...
12/03/2002
6429539Generator apparatus driven by an internal combustion engine with start and stop controllers
A generator apparatus driven by an internal combustion engine and comprising a revolution controller to control a revolution of the internal combustion engine so as to maintain a desired value of a terminal voltage of a battery which is charged by an outp...
08/06/2002
6404072Automatic stop/restart device of vehicle engine
In the vehicle provided with a device to automatically stop/start an engine, when a brake pedal depression amount decreases in a state where the engine has temporarily stopped, the engine is restarted to alert the driver. The brake pedal depression amount...
06/11/2002
6365982Apparatus and method for positioning an engine throttle
A method for controlling the speed of an engine driving a generator supplying electrical current to a load includes the steps of monitoring the current, increasing the speed when the current increases and decreasing the speed when the current decreases. T...
04/02/2002
6326702Output control system for series hybrid vehicle
A system for controlling a series hybrid vehicle, having an internal combustion engine whose output is regulated by a throttle valve, a generator-motor connected to the engine to be rotated by the engine, an electric energy storage means connected to the ...
12/04/2001
6307276Method for operating a parallel hybrid drive for a vehicle
In a method for operating a parallel motor vehicle hybrid drive, with an internal combustion engine which is connected to a drive shaft via a clutch and a manual transmission, and with a three-phase machine which is directly coupled with its rotor to a co...
10/23/2001
6291903Vehicular electric power generation apparatus and method
In a vehicular electric power generation apparatus having an a.c. generator and an engine, a rotation speed of the a.c. generator at the idling rotation operation of the engine is set to be higher than a rotation speed, at which the driving torque of the ...
09/18/2001
6278195Power output apparatus, engine controller, and methods of controlling power output apparatus and engine
A power output apparatus includes a planetary gear having a planetary carrier, a sun gear, and a ring gear, an engine having a crankshaft linked with the planetary carrier, a first motor attached to the sun gear, and a second motor attached to the ring ge...
08/21/2001
6274943Engine-starting discrimination system for hybrid vehicle
A system for discriminating engine-starting of a hybrid vehicle having an internal combustion engine and a generator-motor connected to the engine to rotate the engine to start and to be rotated to generate electric power after the engine is started. In t...
08/14/2001
6215198Generating control device for hybrid vehicle
A generating control device for a hybrid vehicle includes a motor 13 for driving the hybrid vehicle, a battery 12 for driving the motor, a generator 11 for supplying the motor 13 and the battery 12 with electricity, an engine 10 for driving the generator ...
04/10/2001
6208034Power output device and control method of the power output device and hybrid vehicle driven by the power output device
A power output device is provided with an internal combustion engine having an output shaft, an electric motor for generating and receiving electric power and for rotating a rotation shaft, a drive shaft mechanically connected to the output and the rotati...
03/27/2001
6201312Drive control system for hybrid vehicles
A control system for improving the fuel economy of a hybrid vehicle by evaluating a fuel to be consumed for a charging operation thereby to select a running mode. Specifically, a drive control system for a hybrid vehicle including an internal combustion e...
03/13/2001
6181020Integrated driving torque control system for automotive vehicles with continuously variable automatic transmission
An integrated driving-torque control system for an automotive vehicle with a continuously variable automatic transmission (CVT) and an electronically-controlled engine, comprises a desired transmission ratio arithmetic-calculation circuitry calculating a ...
01/30/2001
6166449Power output apparatus having a battery with a high charge-discharge efficiency
A mean vehicle speed Va and a mean variation ƊVa are factors reflecting a current driving condition and an expected driving condition of a vehicle, which relate to a charge-discharge amount of a battery. A target state SOC* of the battery is calculated f...
12/26/2000
6093975Turbogenerator/motor control with synchronous condenser
A turbogenerator/motor controller with a microprocessor-based control system having a synchronous condenser, line commutated inverter, and a battery coupled to the turbogenerator/motor controller. When a load transient occurs, the gas turbine engine and t...
07/25/2000
6057605Temperature control of exhaust gas catalytic converters in vehicles
A vehicle powertrain comprises an internal combustion engine 10 and an electric motor 14 capable of producing driving or braking torque for the vehicle. The exhaust system for the engine 10 includes a catalytic converter 22. A control unit 18 monitors the...
05/02/2000
6037672Generator having impedance matching prime mover output capability for operation with maximized efficiency
In an electrical power generation unit with a prime mover having an output shaft rotating at a speed ω which determines an output power function having at each value of ω an output-power/ω slope Md, and a generator developing electrical powe...
03/14/2000
5998880AC locomotive operation without DC current sensor
A system and method for controlling operation of a diesel electric traction vehicle of the type including a synchronous generator driven by a diesel engine for producing alternating current (AC) electric power, the AC electric power being converted to dir...
12/07/1999
5864183Method and apparatus for optimizing performance of a pump-turbine
A technique is disclosed for optimizing performance of a pump-turbine unit while operating normally in the pumping mode by identifying gate positions resulting in optimization of certain parameters of interest. Influences of gate positions on the optimize...
01/26/1999
5852330Vehicle acceleration slip control system
In order to prevent an acceleration slip in an early stage of acceleration even in starting, an acceleration slip control system has a predicting section for predicting an acceleration slip of a drive wheel of a vehicle, a prediction control section for d...
12/22/1998
5642020Electric vehicle control device
An electric vehicle control device for a plurality of vehicles connected in series to form a formation including a plurality of control devices, each being provided for one of the vehicles, respectively. Each of the control devices includes a PWM converte...
06/24/1997
4633093Method of feedback-controlling idling speed of internal combustion engine
An idling speed feedback control method for use with an internal combustion engine having electrical load equipment and a generator for supplying electric power to the electrical load equipment, the generator being driving by the engine. The idling speed ...
12/30/1986
4464577Turbine speed control
A control system for a prime mover may include a proportional speed control, a primary overspeed control and an emergency overspeed control. The proportional speed signal is obtained from select highest value logic, whereas overspeed and loss of speed sig...
08/07/1984
4457133Method of governing the working gas temperature of a solar heated hot gas engine
A closed-cycle hot gas engine heated by solar radiation is provided with a governing system varying the working gas pressure so as to vary the power output at a constant high temperature level of the working gas and--at least partly--at a constant engine ...
07/03/1984
 
Sign InRegister
Username  
Password   
forgot password?