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| Number | Title | Issue Date |
| 7617991 | Injector fuel filter with built-in orifice for flow restriction Apparatus and method for substantially reducing or eliminating pressure pulsations caused by the opening and closing of fuel injectors. A preferred embodiment provides a restriction orifice adjacent the inlet end of a fuel injector filter of a respective fuel inject... | 11/17/2009 |
| 7617812 | Method of operating a compression ignition engine It relates to a method of operating a compression ignition engine comprising:— determining an instantaneous driver torque demand; selectively operating the engine in a first mode or a second mode dependent on the... | 11/17/2009 |
| 7615299 | Method and apparatus for thermal, mechanical, and electrical optimization of a solid-oxide fuel cell stack A solid-oxide fuel cell stack assembly comprising a plurality of sub-stacks, preferably two sub-stacks each containing one-half the total number of fuel cells. Cathode air and fuel gas are passed through the first sub-stack, wherein they are partially reacted and al... | 11/10/2009 |
| 7609068 | System and method for particulate sensor diagnostic A particulate (soot) sensor system has a diagnostic feature for verifying the integrity of the wiring leads. The sensor system includes a sensor and processing circuitry. The sensor has a substrate, first and second sensing electrodes on the substrate and a heater e... | 10/27/2009 |
| 7601450 | Hybrid interconnect for a solid-oxide fuel cell stack An electrical interconnect for a fuel cell assembly comprising a peripheral frame formed of one or more materials having a coefficient of thermal expansion similar to that of adjacent elements to which the interconnect must be bonded and a central portion formed of ... | 10/13/2009 |
| 7597986 | Method and apparatus for gasketing a fuel cell In a solid-oxide fuel cell assembly comprising a plurality of components having electrically-conductive mating surfaces therebetween, the surfaces are sealed by gasket elements that include first and second silver braze alloy layers and a dielectric layer, formed pr... | 10/06/2009 |
| 7595126 | PEM fuel cell assembly formed of modular sub-assemblies A method for forming a fuel cell assembly including the pre-final-assembly step of forming a plurality of fuel cell sub-assembly modules, each module including a predetermined number of individual fuel cell repeating units, for example, ten. Each module may be leak ... | 09/29/2009 |
| 7595085 | Ceramic assembly with a stabilizer layer In one embodiment, the method of producing a ceramic assembly includes: disposing an electrode precursor on an electrolyte precursor having an electrolyte sintering shrinkage, disposing a stabilizer precursor having a stabilizer sintering shrinkage on the electrode ... | 09/29/2009 |
| 7593807 | Method for optimizing fuel injection timing in a compression ignition engine A method for determining the optimum fuel injection timing angle in a CI engine provided with means disposed in one or more cylinders for measuring Indicated Mean Effective Pressure. The pressure level during the power stroke of a piston is a direct correlate of eng... | 09/22/2009 |
| 7591178 | Grounded wiper assembly for fuel sensor A grounded wiper assembly for a fuel sensor includes a wiper housing for rotation relative to a variable resistor and a wiper with at least one contact operatively supported by the wiper housing for contacting the variable resistor as the wiper housing rotates. The ... | 09/22/2009 |
| 7589280 | Electrical connector assembly A connector assembly for a planar sensing element of an exhaust gas sensor is shown, with a method for assembling. There is an opposed pair of ceramic clamshells which retain terminals, each terminal mates to corresponding contact pads of the planar sensing element.... | 09/15/2009 |
| 7588849 | Solid-oxide fuel cell system having tempering of fuel cell stacks by exhaust gas In a solid-oxide fuel cell system, a fuel/air manifold conveys air and tail gas fuel from the anodes in a fuel cell stack assembly to a tail gas combustor, producing a heated combustor exhaust having the highest mass flow in the system. The exhaust is passed through... | 09/15/2009 |
| 7584746 | Fuel rail radiated noise reduction A fuel rail assembly of an internal combustion engine includes an axially extending non-round fuel conduit and at least one axially extending stiffening feature integral with said conduit. Integration of the stiffening features in the conduit enables reduction or el... | 09/08/2009 |
| 7584603 | Method and system for regenerating NOadsorbers and/or particulate filters An active system for regenerating a NOx adsorber and a particulate filter, the system includes a fuel source, a reformer for generating hydrogen and carbon monoxide in fluid communication with the fuel source, a first valve, a second valve, and a third valve in flui... | 09/08/2009 |
| 7582375 | Method for cutting solid oxide fuel cell elements A method for severing a solid-oxide fuel cell bi-layer element including a structural anode and an electrolyte layer, comprising the steps of orienting the bi-layer element such that the surface thereof is accessible to laser treatment; impinging a laser beam on the... | 09/01/2009 |
| 7575827 | Conductive coatings for PEM fuel cell electrodes A bipolar plate for use in a stack of fuel cell modules includes a bipolar plate that has at least one surface containing a metal alloy oxidizable to form a metal oxide having a surface resistance no greater than about 0.007 ohm-cm2. The metal alloy is ox... | 08/18/2009 |
| 7575826 | Fuel cell with metal alloy contacts that form passivating conductive oxide surfaces A metal alloy which when oxidized forms a highly conductive surface oxide layer. Alloy compositions such as, but not limited to, Ti—Nb, Ti—Ta, La—Sr—Cr, and La—Sr—Co are known to form oxide passivation layers which are highly conductive. Such alloys are ... | 08/18/2009 |
| 7571047 | Detection of valve deactivation failure by monitoring exhaust temperature An internal combustion engine having valve deactivation capability for at least one cylinder, or for an entire bank of cylinders in a multiple-bank engine, is provided with a temperature probe in the exhaust stream of that cylinder or cylinder bank. The temperature ... | 08/04/2009 |
| 7568464 | Barrel-style charge motion control valve for V-configuration engines An apparatus and method for controlling charge motion in the air intake manifold includes a barrel-style valve rotatably mounted in the lower air intake manifold between the linearly arranged set of air inlets and the first and second sets of laterally offset air ou... | 08/04/2009 |
| 7563118 | High temperature connector A high temperature electrical connector suitable for use in a high temperature gas sensor. The electrical connector incorporates a ceramic connector body having a pair of opposing ceramic body portions which each house a plurality of conductive terminals. The body p... | 07/21/2009 |
| 7562588 | Method and apparatus for controlling mass flow rate of recycled anode tail gas in solid oxide fuel cell system In an SOFC stack system, a reformer supplies reformate to the stack. An anode tail gas portion is recycled into the reformer. An inline flowmeter indicates an apparent recycle flow rate. A map of anode tail gas composition as a function of fuel utilization efficienc... | 07/21/2009 |
| 7556007 | Method and apparatus for forming a septum for an engine intake manifold In a method for forming an injection molded manifold, the portion of the mold that forms a septum is modified to provide a substantially thicker septum, preferably about 8.5 mm or greater. In the molding operation, one or more removable slides are inserted through t... | 07/07/2009 |
| 7555946 | Sealed fuel level sensors A sealed fuel level sensor for a fuel tank is provided. The sealed fuel level sensor includes a frame having a cavity therein. The sealed fuel level sensor further includes a variable resistor disposed in the cavity and operatively supported by the frame. The sealed... | 07/07/2009 |
| 7553077 | Systems and methods for determining a temperature of a ferroelectric sensor Systems and methods for determining a temperature of a ferroelectric sensor are provided. The ferroelectric sensor has operational characteristics defined by a polarization versus voltage hysteresis loop. In one exemplary embodiment, the method includes applying a s... | 06/30/2009 |
| 7536249 | System and method for a pumping torque estimation model for all air induction configurations A system and method for controlling an engine involves providing a pumping torque estimation model. The model distinguishes between pumping losses due to throttling and pumping losses due to valve flow losses. The model is implemented by a pair of look-up tables. Th... | 05/19/2009 |
| 7532100 | Plastic sealing of solenoid bobbins A method and apparatus for overmolding a plastic shroud onto a bobbin including the step of providing a protrusion ring on the surface of the bobbin surrounding each standoff between the bobbin and a mold wall and extending outwards from the surface of the bobbin. A... | 05/12/2009 |
| 7529614 | System and method for turbo compressor recirculation valve control A system and method for controlling a compressor recirculation valve involves establishing a compressor surge flow threshold expressed in terms of a compressor corrected volume air flow rate. A torque-based engine management system computes a desired mass air flow r... | 05/05/2009 |
| 7504460 | Composition of aromatic or cycloaliphatic amine-derived polyepoxide and polyamine Disclosed is a curable composition having a low CTE. In one embodiment, a curable composition is disclosed that comprises (i) a binder comprising at least one epoxy compound of the structure: X—((CH2)m—(N)—((CH2)... | 03/17/2009 |
| 7503316 | Anti-coking bushing assembly for an exhaust recirculation control valve An anti-coking bushing assembly for sealing a pintle shaft of an EGR control valve, comprising a bushing carrier disposed in the valve body and supportive of close-fitting pintle shaft bushing liners formed of a polyimide such as Vespel. The bushing carrier and bush... | 03/17/2009 |
| 7499793 | System for discrimination of spurious crank encoder signals A system for discrimination of spurious crankshaft encoder signals. A position encoder connected to an engine crankshaft sends a pulsed signal indicative of crankshaft rotational performance to an engine controller. The controller is programmed to trigger an interru... | 03/03/2009 |
| 7497883 | Reformer and method of using the same using dew point temperature Disclosed herein are fuel reformers utilizing dew point plateau process control and methods of using the same. In one embodiment the fuel reformer can comprise a mixing zone capable of receiving a fuel mixture, a reforming zone disposed downstream from the mixing zo... | 03/03/2009 |
| 7490463 | Process and system for removing soot from particulate filters of vehicle exhaust systems A motor vehicle exhaust aftertreatment system includes an exhaust conduit that includes a NOx adsorber, a particulate filter, a reformer for generating reformate containing hydrogen and carbon monoxide from a fuel source, a reformate conduit, and an oxyge... | 02/17/2009 |
| 7486040 | Circuit to momentarily increase the peak torque of a DC motor A motor control circuit for supplying power to a DC motor which drives a mechanism having a driven shaft, the control circuit having a parallel combination of a capacitor and switch in series with the DC motor. When the movement of the driven shaft is obstructed, th... | 02/03/2009 |
| 7478002 | Apparatus and method for trimming multiple sensing elements with a single trim resistor A sensing system, including: a sensing assembly, the sensing assembly having: a trim resistor; and a controller removably secured to the sensing assembly, the controller being configured to determine a resistance value of the trim resistor; a database in operable co... | 01/13/2009 |
| 7475671 | Method for compensating injection timing during transient response of pre-mixed combustion A method for compensating fuel injection timing when a torque signal or throttle command indicates that a transient operation is about to transpire. The control adjusts the fuel injection timing in advance of the transient operation to prevent loss of torque due to ... | 01/13/2009 |
| 7476269 | Evaporative emissions canister suitable for marine use An evaporative emissions control canister for adsorbing fuel vapors from a fuel tank on a marine vessel. The canister comprises a polymeric extruded housing that may be formed to any desired length or cut from extruded stock. Identical end caps having tubing connect... | 01/13/2009 |
| 7472545 | Engine exhaust emission control system providing on-board ammonia generation An exhaust emission control system that provides on-board ammonia generation includes a valve disposed upstream of the LNT and SCR catalyst that operates to selectively control the flow of engine exhaust gas to an LNT and/or an SCR catalyst; while reformate fuel is ... | 01/06/2009 |
| 7470477 | Cascaded fuel cell stacks for fast start-up and anode coking control A solid-oxide fuel cell system having a relatively large primary fuel cell sub-assembly for steady-state operation and a relatively small secondary fuel cell sub-assembly which is rapidly heatable to a threshold operating temperature to a) produce usable power in a ... | 12/30/2008 |
| 7468673 | System and method for determining whether a vehicle operator has an impaired cognitive state A system and a method for determining whether an operator of a vehicle has an impaired cognitive state are provided. The method includes determining an intoxication indication value indicative of whether the operator is intoxicated, utilizing a controller. The metho... | 12/23/2008 |
| 7467611 | Rate limiting and balancing control system for dual independent camshaft phasing A method for controlling dual independent camshaft phasers in an internal combustion engine. The method has three basic steps: a) first, determining if rate balancing between the two phasers is required; b) second, determining the optimal rate balancing commands; an... | 12/23/2008 |
