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Patent # Description
US-6,308,697 Method for improved air-fuel ratio control in engines
An engine control system of an internal combustion engine coupled to a NOx trap uses a measured air-fuel ratio downstream of the NOx trap to control engine...
US-6,308,694 Flow measurement and control
An exhaust gas recirculation systems directs exhaust gasses from an exhaust manifold to an intake manifold of an internal combustion engine. The exhaust gasses...
US-6,308,683 Cylinder air charge estimation assembly
An cylinder air charge estimation assembly 12 for use with an internal combustion engine 10 having at least one cylinder 14. Assembly 12 dynamically estimates...
US-6,308,682 Gasoline internal combustion engine
A spark ignition gasoline internal combustion engine separates a gasoline fuel supply into a higher boiling point fraction and a lower boiling point fraction,...
US-6,308,670 System and method for valve timing
A valve timing system and method 10 is provided which automatically compensates for variations in the compression ratios of cylinders 12 of an internal...
US-6,308,559 Two stage monitoring of evaporative purge system
An evaporative purge system 10 of an internal combustion engine 14 powered motor vehicle is monitored using one or more relatively long time tests in the cruise...
US-6,308,515 Method and apparatus for accessing ability of lean NOx trap to store exhaust gas constituent
A method and apparatus for controlling the operation of a "lean-burn" internal combustion engine in cooperation with an emissions control device capable of...
US-6,307,330 System and method for operating incandescent lamps with high voltage source
A system and method is provided for operating incandescent lamps with a high voltage source in a motor vehicle. The system includes at least one pulse width...
US-6,307,275 Method and apparatus for controlling a high-speed AC permanent magnet synchronous motor coupled to an...
A method and apparatus for controlling a permanent magnet synchronous motor (8) coupled to a turbo engine such that transient current and steady state current...
US-6,306,467 Method of solid free form fabrication of objects
A method of solid free form fabrication of an object includes the steps of providing a substrate, forming a plurality of molten droplets, and spraying the molten...
US-6,305,459 Method of making spray-formed articles using a polymeric mandrel
Method of making valve seats by thermally spraying bulk material. The method includes the steps of: (i) preparing a cylindrical polymeric mandrel having an...
US-6,305,364 Internal combustion engine and operation thereof
An engine is described that has a variable valve timing system. Under low and medium load operation of the engine, the valve timing system sets an prolonged...
US-6,305,347 Monitor for lean capable engine
A method for monitoring a powertrain of a vehicle is described where powertrain output is estimated based on fuel when the powertrain operates lean of...
US-6,305,160 Emission control system
A reductant injection control strategy for controlling an amount of nitrogen oxide reducing agent injected upstream of a selective reduction catalyst uses a NOx...
US-6,304,829 Method and system for dynamic testing of a vehicle exhaust system in a rigid frame test fixture
A method and system are provided for generating engine attachment control boundary conditions and corresponding control signals for an exhaust system laboratory...
US-6,304,815 Method for controlling an exhaust gas temperature of an engine for improved performance of exhaust...
A method for regenerating a particulate filter communicating with exhaust gases of an internal combustion engine 12 is provided. The method includes indicating...
US-6,304,812 Calibration optimization method
An calibration optimization method for a direct injection spark ignition (DISI) engine with a lean NO.sub.x trap is disclosed. The method relies on a fixed...
US-6,304,809 Engine control monitor for vehicle equipped with engine and transmission
A method for monitoring an electronically controlled drive unit of a vehicle uses actual vehicle acceleration and a preselected vehicle acceleration. Actual...
US-6,304,056 Pulsed charge power delivery circuit for a vehicle having a combined starter/alternator
A method of charging a primary energy storage device in a vehicle including a secondary energy storage device and an engine coupled to a combined ...
US-6,304,055 Method and apparatus for efficiently operating a hybrid vehicle
A method and an apparatus for operating a hybrid vehicle 10 which requires the creation of a state of charge value and which further requires the modification of...
US-6,304,016 Alternator mounting bracket
An mounting bracket 50 which attaches an alternator 18 to a vehicle engine 14 and which substantially reduces the amount of noise which is produced by the...
US-6,302,704 Method and apparatus for selectively connecting flexible circuits
A method and an apparatus 10 for interconnecting automotive electrical circuits and components. In one embodiment, the apparatus 10 includes at least one channel...
US-6,302,065 Method for monitoring a cooling system
A method is presented for diagnosing an engine coolant temperature sensor and an engine thermostat. Engine coolant temperature is estimated based on engine...
US-6,301,880 Method and system for controlling air/fuel level for internal combustion engine with two exhaust banks
A method and system for controlling the air/fuel ratio in an internal combustion engine having first and second groups of cylinders coupled to first and second...
US-6,301,538 Swap shift multiple-ratio automatic transmission
A multiple-ratio automatic transmission comprising a first multiple-ratio gear unit and a second simple planetary gear unit arranged in series in a torque flow...
US-6,300,692 Linear actuator with expansion device
A linear actuator includes a threaded support with first and second collars threadedly engaged with the support. First and second plates are abuttable against...
US-6,299,565 Control strategy for an automatic transmission
An automatic control strategy for use with a multiple-ratio transmission in an automotive vehicle driveline in which the crankshaft of an internal combustion...
US-6,299,406 High efficiency and low noise fuel pump impeller
A semi-open staggered vane impeller for use in an automotive fuel pump. Each vane has a cover-side vane tooth and a body-side vane tooth extending from a central...
US-6,299,231 Veiling glare reduction system
A vehicle veiling glare reduction system includes a windshield having an inner and outer surface, a first polarization layer disposed on at least one windshield...
US-6,299,073 Paint spray housing for reducing paint buildup
A paint spray system for directing paint to a part has a paint atomizer head having a bell housing and a bell-atomizer. An electrically conductive tape is...
US-6,298,900 Method of integrating wear plates into a spray formed rapid tool
A method of integrating wear plates into a spray formed rapid tool includes the steps of making a model of a desired tool and constructing a ceramic pattern as...
US-6,298,899 Water jacket core
A water jacket 10 which includes an outer core 12 and a plurality of pre-formed bridge cores 14. The water jacket 10 allows for the selective creation of...
US-6,298,898 Optimizing cycle time and/or casting quality in the making of cast metal products
A method of optimizing cycle time and/or casting quality in the making of a cast metal product which has been defined by a CAD product model. The method involves...
US-6,298,840 Air/fuel control system and method
A method and system is provided for improving the adjustment of fuel levels delivered to an internal combustion engine. A controller 15 calculates commanded...
US-6,298,710 Combustible gas diode sensor
A combustible gas sensor diode including a SiC semiconductor substrate, on top of which an AlN layer and a catalytic metal "gate" electrode are deposited is...
US-6,298,675 Estimation method for a vehicle having an engine and a cycling accessory device
A method for controlling cycling of an air conditioning compressor coupled to an internal combustion engine interrupts normal cycling based on operation...
US-D448,984 Automotive vehicle key
US-6,297,661 Semiconductor switch fault detection
A system and method for detecting various fault conditions in semiconductor devices. A variable voltage reference is compared to the voltage output of the device...
US-6,297,466 Method for repairing steel spray-formed tooling with TIG welding process
A machine tool or die that is fabricated from thermally spray-formed steel is repaired on the factory floor by first cleaning the area to be repaired to removed...
US-6,297,138 Method of depositing a metal film onto MOS sensors
A method for depositing a metal film onto the semiconductor substrate and insulator of a MOS sensor is provided. The method utilizes a laser ablation technique...
US-6,296,822 Process for manufacturing nox traps with improved sulfur tolerance
A method for manufacturing a NOx absorbent useful to purge exhaust gases during lean-burn internal combustion engine operation. The material is resistant to...
US-6,295,973 Air-fuel charge controller for a homogeneous-charge, compression-ignition engine
A homogeneous-charge, compression-ignition engine having engine coolant, an intake manifold and an exhaust manifold including a controller for advancing and...
US-6,295,964 End-feed variable cam timing oil supply and control module
A system for controlling a flow of pressurized oil in an internal combustion engine includes a cylinder head having a first internal passage arranged to receive...
US-6,295,960 Intake manifold communication valve
An air intake system for a multi-cylinder combustion engine comprising a left side plenum and a right side plenum is disclosed. Each of the plenums is connected...
US-6,295,863 Method and apparatus for determining seal failure in a ball joint
A method of determining seal failure is implemented in a ball joint including a stud having a ball embedded in grease within a sealed socket assembly. A...
US-6,295,809 Emission control system with a catalyst
A reductant injection control strategy for controlling an amount of nitrogen oxide reducing agent injected upstream of a selective reduction catalyst uses an...
US-6,295,500 Powertrain control system for a vehicle utilizing vehicle acceleration
A method for monitoring an electronically controlled drive unit of a vehicle uses actual vehicle acceleration and a preselected vehicle acceleration. Actual...
US-6,295,495 Method for multi-directional anticipatory arming of vehicle restraints
A method for multi-directional anticipatory arming of restraint systems in a motor vehicle includes the steps of monitoring outputs from impact radar sensors...
US-6,294,128 Method of making a supported plurality of electrochemical extruded membranes
The present invention is a method for the manufature of a membrane structure for use in electrochemical conversions. The method includes providing a first...
US-6,293,616 Modular rail for roof and windshield
A specialty vehicle is provided with first and second rails on opposite lateral sides of the vehicle that extend from the front portion of the vehicle above the...
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