Quotables
"I think there is a world market for maybe five computers."
Thomas Watson, chairman of IBM ; 1943
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.
| Number | Title | Issue Date |
| 8180499 | Power supply system In a power supply system (10) having a cogeneration unit (12) equipped with an internal combustion engine (12a) and a generator (12b) to generate power to be supplied to a power destination and hot water to be supplied to a ... | 05/15/2012 |
| 8099198 | Hybrid power generation and energy storage system An integrated and hybrid energy provider and storage device system for enhancing the energy efficiency and minimizing greenhouse gas emissions particularly for systems that utilize energy in a discrete and discontinuous manner, such as plug-in hybrid vehicles is pro... | 01/17/2012 |
| 7917252 | Load controlling device, load controlling method, load controlling circuit, load controlling program, and computer-readable recording medium where load controlling program is recorded A post-control electric power amount curve generating portion generates plural pieces of running control information indicating a changeable running method for each device and plural post-control electric power amount curves indicating an amount of main electric pow... | 03/29/2011 |
| 7567859 | Methods and apparatuses for control of building cooling, heating and power co-generation systems A control system and method for achieving economic operation of CHP systems. A plurality of factors, including power source prices and operational needs, are assessed using multiple strategies. The solutions achieved by each strategy are compared, and the best perfo... | 07/28/2009 |
| 7469167 | Predictive header pressure control A predictive header pressure controller uses predictive boiler steaming models to anticipate future changes in boiler steaming rates, converts the anticipated steaming rates to anticipated rates of change in header pressure, compares the anticipated rates of change ... | 12/23/2008 |
| 7356383 | Methods and apparatus for optimizing combined cycle/combined process facilities Methods and systems for operating combined cycle electrical generating plants is provided. The method includes simulating the electrical power plant performance, simulating the steam utilizing process plant performance, parameterizing plant equipment and plant perfo... | 04/08/2008 |
| 7288921 | Method and apparatus for providing economic analysis of power generation and distribution An economic dispatch program optimally allocates load demand specifying real power and reactive power to be generated by a power plant among various power generators in a manner so that each of the power generators are operated within its optimal operating space as ... | 10/30/2007 |
| 7245040 | System and method for controlling the frequency output of dual-spool turbogenerators under varying load Methods for maintaining a constant electrical output frequency in a turbogenerator with increased electrical loads are provided. The methods comprise biasing adjustable guide vanes of a compressor and/or a compressor bleed valve in response to the increased electric... | 07/17/2007 |
| 7190149 | Method and apparatus for determining actual reactive capability curves A system for generating updated reactive capability curves of a generator operates the generator at a number of operating load levels and at a number of different power factors to collect data regarding the real and reactive power generated at each of the various op... | 03/13/2007 |
| 7152005 | System for aiding the preparation of operation and maintenance plans for a power generation installation In order to provide an operation and maintenance planning aiding system for a power generation installation which prepares an operation plan for a plurality of power generation units by making use of actual plant data and based on a total judgment including a variet... | 12/19/2006 |
| 7090393 | Using thermal imaging to prevent loss of steam turbine efficiency by detecting and correcting inadequate insulation at turbine startup The invention involves the use of thermal imaging equipment to take infrared images of a steam turbine during start-up. The exterior temperatures developed from the infrared images are correlated with turbine vibration data to determine which insulation temperature ... | 08/15/2006 |
| 7047089 | Kiln thermal and combustion control A method and apparatus for controlling a non-linear mill. A linear controller is provided having a linear gain k that is operable to receive inputs representing measured variables of the plant and predict on an output of the linear controller predicted control value... | 05/16/2006 |
| 7042111 | System, method and apparatus for a redundant prime mover system The present invention provides a system, method and apparatus for a redundant prime mover system to drive a machine having an engine coupled to the machine, and a motor/generator coupled to the machine and an electrical network connection. The controller operates th... | 05/09/2006 |
| 7024252 | Kiln thermal and combustion control A method and apparatus for controlling a non-linear mill. A linear controller is provided having a linear gain k that is operable to receive inputs representing measured variables of the plant and predict on an output of the linear controller predicted control value... | 04/04/2006 |
| 6988024 | Cogeneration system, operation controller for cogeneration facility, and operation program for cogeneration facility An operating condition determiner compares an operation starting time (t1) of network-connected first consuming apparatuses received by a schedule information receiver and a consumption starting time (t2) predicted by a predicting system based on a tot... | 01/17/2006 |
| 6970857 | Intelligent control for process optimization and parts maintenance Complex process control and maintenance are performed utilizing a nonlinear regression analysis to determine optimal maintenance activities and process adjustments based on an urgency metric. ... | 11/29/2005 |
| 6907381 | System for aiding the preparation of operation and maintenance plans for a power-generation installation In order to provide an operation and maintenance planning aiding system for a power generation installation which prepares an operation plan for a plurality of power generation units by making use of actual plant data and based on a total judgment including a variet... | 06/14/2005 |
| 6885914 | Green power supply system and green power supply method To permit a customer to reduce environmental load without reducing their electric power, a green power supply system is provided which includes a power supply request acceptance part which accepts from a customer a request to supply power having small environmental ... | 04/26/2005 |
| 6785633 | Method and apparatus for assessing performance of combined cycle power-plants A method of determining performance impact of individual components of a power plant on overall thermal performance of the power plant, the method including (a) designing a first thermal model of the power plant using original specification data of the power plant; ... | 08/31/2004 |
| 6757591 | Energy management system and methods for the optimization of distributed generation An energy management system and method is provided for managing the generation and distribution of energy from an energy source to a building. The building has a desired building environment and a total energy profile including a thermal energy requirement and an el... | 06/29/2004 |
| 6529849 | Thermal efficiency diagnostic method and apparatus of a combined power generation plant A thermal efficiency diagnostic of a combined power generation plant is performed by using measurement data relative to energy input/output of the respective equipment of the combined power generation plant, recording the design values of heat balance, us... | 03/04/2003 |
| 6278899 | Method for on-line optimization of a plant An on-line optimizer is comprised of a nonlinear dynamic model (702) which is operable to provide an estimation of the output of a plant. This receives manipulated variables (MV), disturbance variables (DV), and computed disturbance variables (CDB). The e... | 08/21/2001 |
| 5886895 | Plant utility optimizing method and an optimizing system For calculating optimum operation parameters of a BTG plant including a plurality of boilers having a linear input/output characteristic between an incoming fuel and steam output and a plurality of turbines having a non-convex input/output characteristic ... | 03/23/1999 |
| 5751604 | Cogeneration system A load value of an external load is detected by a load value detector. When a heat quantity recovered by a heat load from a heat engine or a fuel cell is smaller than a predetermined value, a CPU calculates electric power to be consumed by an electric hea... | 05/12/1998 |
| 5570106 | Method and apparatus for creating horizons from 3-D seismic data A method and apparatus for deleting and rescanning areas of a horizon display on a computer monitor is disclosed. A cursor, controlled by a pointing device such as a mouse, is directed to a first area on the monitor which is adjacent a second area of the ... | 10/29/1996 |
| 5563803 | Fluidized-bed equipment and pressurized fluidized-bed (combustion) combined cycle apparatus A bed height of a fluidized bed is detected which influences reaction of a fluidized-bed equipment. In the fluidized-bed equipment in which a fluidized particle is put into the vessel, physical properties at a plurality of points within the vessel are mea... | 10/08/1996 |
| 5536976 | Multiple service load solid state switching for controlled cogeneration system An electrical generation system and method for switching a plurality of isolated circuits between a generator and an electrical source. A current signal of each isolated circuit is sensed and the current signal is emitted to a computer. A generator output... | 07/16/1996 |
| 5467265 | Plant operation method and plant operation control system A system for determining a cost effective and practical operation method for thermal source equipments includes a fundamental plan data storage unit, a fundamental plan generating unit for determining a fundamental operation plan of each equipment while m... | 11/14/1995 |
| 4802100 | Advanced cogeneration control system Control sub-systems, modularized on both a hardware and software basis are configurable to supplement an existing cogeneration system package, controlling and/or monitoring only essential control points of such cogeneration system to select thermal or ele... | 01/31/1989 |
| 4628462 | Multiplane optimization method and apparatus for cogeneration of steam and power In a steam and power cogeneration system optimization results for steam flow and power are calculated off-line recurrently based on actual demand and control is effected on a multiplane basis upon selection of a new plane of control defined by a new statu... | 12/09/1986 |
| 4604714 | Steam optimization and cogeneration system and method In a multiturbogenerator cogeneration system mass flow balancing is used to optimize the distribution of steam between the machine while meeting the demand in steam and electrical power of the industrial plant in order to choose the less costly between co... | 08/05/1986 |
| 4455614 | Gas turbine and steam turbine combined cycle electric power generating plant having a coordinated and hybridized control system and an improved factory based method for making and testing combined cycle and other power plants and control systems therefor A combined cycle electric power plant includes in interconnected relationship a steam turbine, two gas turbines, three electric generators, two heat recovery steam generators, a hybrid computer control system, a plant protection system and various items o... | 06/19/1984 |
| 4328556 | Control system of plants by means of electronic computers In a system of controlling the operation of a plant by using a digital computer, operation control procedures are classified according to various states of the plant process variables. The control procedures comprise essential break points of the plant ru... | 05/04/1982 |
| 4271473 | Control of parallel operated turbines in cogeneration A control system is provided for turbines in the utility part of an industrial plant using cogeneration so that control is maintained over the relative quantities of steam supplied to a common steam header from both the back pressure and the extraction tu... | 06/02/1981 |
| 4184324 | Combined cycle electric power plant with coordinated plural feedback turbine control A combined cycle electric power plant includes gas and steam turbines and a steam generator for recovering the heat in the exhaust gases exited from the gas turbine and for using the recovered heat to produce and supply steam to the steam turbine. The ste... | 01/22/1980 |
| 4047005 | Combined cycle electric power plant with a steam turbine having a throttle pressure limiting control A combined cycle electric power plant includes two gas turbines, a steam turbine, and a digital control system with an analog or manual backup. Each of the gas turbines has an exhaust heat recovery steam generator connected to a common header from which t... | 09/06/1977 |
| 4013877 | Combined cycle electric power plant with a steam turbine having an improved valve control system A combined cycle electric power plant includes two gas turbines, a steam turbine, and a digital control system with an analog or manual backup. Each of the gas turbines has an exhaust heat recovery steam generator connected to a common header from which t... | 03/22/1977 |
| 3953966 | Combined cycle electric power plant having a control system which enables dry steam generator operation during gas turbine operation A combined cycle electric power plant includes gas and steam turbines and a steam generator for recovering the heat in the exhaust gases exited from the gas turbine and for using the recovered heat to produce and supply steam to the steam turbine. A conde... | 05/04/1976 |
