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| Number | Title | Issue Date |
| 6467254 | Diagnostic system for detecting catalyst failure using switch ratio A method and system for diagnosing catalyst operation in an internal combustion engine having a two-bank, three EGO sensor structure includes monitoring when the EGO sensors switch states between rich and lean and determining the ratio between a switch co... | 10/22/2002 |
| 6467255 | Method for operating an internal combustion engine, especially of a motor vehicle An internal combustion engine (1) especially for a motor vehicle is described. The engine is provided with an injection valve (10) with which the fuel is injected for a combustion, can be injected directly into a combustion chamber (4) of a cylinder (3) i... | 10/22/2002 |
| 6467256 | Exhaust emission control system for internal combustion engine An exhaust emission control system for an internal combustion engine, having a catalyst provided in an exhaust system of the engine for purifying exhaust gases, and a NOx removing device provided downstream of the catalyst for absorbing NOx contained in t... | 10/22/2002 |
| 6467257 | System for reducing the nitrogen oxide (NOx) and particulate matter (PM) emissions from internal combustion engines An integrated system for reducing the Nitrogen oxide (NOx) and particulate matter (PM) emissions from an engine released into the atmosphere includes a cooled exhaust gas recirculation system, a selective catalytic reduction system, and a passi... | 10/22/2002 |
| 6467258 | Method and arrangement for control of air-fuel ratio of combustion engine A method and arrangement for control of a combustion engine (11) having control elements (4, 5, 17) for generation of an air/fuel mixture to each cylinder (3) of the engine (1), an exhaust system (7, 8) which is connected to the engine (1), an exhaust cat... | 10/22/2002 |
| 6467259 | Method and system for operating dual-exhaust engine An exhaust gas treatment system for an internal combustion engine includes a pair of upstream emission control devices which respectively receive the exhaust gas generated by a respective group of cylinders, and a single, shared downstream emission contro... | 10/22/2002 |
| 6467260 | Gas flow headers for internal combustion engines An exhaust header system for an internal combustion engine having improved exhaust gas flow characteristics. Primary pipes extend from openings in a flange bolted to the engines exhaust ports. The primary pipes come together at a collector pipe into which... | 10/22/2002 |
| 6467261 | Double exhaust pipe for engine A double exhaust pipe for an engine includes an inner pipe shell, and an outer pipe shell in which the inner pipe shell is accommodated. The inner pipe shell is secured at one end thereof to the outer pipe shell and slidably fitted at the other end thereo... | 10/22/2002 |
| 6467262 | Emergency hydraulic control for a clutch arranged between an internal combustion engine and a gear box A hydraulic emergency control (10, 10a, 10b, 10c) for a hydraulically actuated clutch (14) arranged between an internal combustion engine (12) is proposed. A pump (16) driven by the internal combustion engine (12) feeds a work line (18) in which a choke (... | 10/22/2002 |
| 6467263 | Filter assembly for a hydrostatic transmission A hydrostatic transmission assembly includes a hydraulic pump and motor mechanism having a pump, a motor and at least one fluid passageway therebetween, a source of transmission fluid, at least one projection attached to the hydrostatic pump and motor mec... | 10/22/2002 |
| 6467264 | Hydraulic circuit with a return line metering valve and method of operation A hydraulic system controls the flow of fluid to and from several functions on a machine. Each function has a valve assembly through which fluid is supplied under pressure from a source to an actuator and through which fluid returns from the actuator to a... | 10/22/2002 |
| 6467265 | Axle driving unit for a lawn tractor An axle driving unit having a housing (21,22) for supporting a first axle (17) for mounting thereon a first driving wheel (3L), and a longer second axle (18) for mounting thereon a second driving wheel (3R). The axle driving unit is eccentrically mounted ... | 10/22/2002 |
| 6467266 | Brake booster In a brake booster of the present invention, by depression of a brake pedal 3, an input shaft 4 travels to the left, a pedal input converter generates thrust, and a valve element 5a moves to the left. A valve passage 5a1 is shut off from a valv... | 10/22/2002 |
| 6467267 | Fluid pressure boosting device and brake system employing the same In a brake fluid pressure boosting device 1 of the present invention, by operation, an input shaft 4 is moves forward to rotate a lever 27 to actuate a control valve 8 so that the control valve 8 produce working fluid pressure corresponding to the input. ... | 10/22/2002 |
| 6467268 | Brake master cylinder A brake master cylinder which prevents a contact between a projection of a spring retainer and a stopper of a sleeve when a piston is suddenly retracted by an operation of a pressure applying device of a brake system or by an air relieving operation to of... | 10/22/2002 |
| 6467269 | Altitude compensation for turbocharger wastegate A wastegate valve for a turbocharger system in an engine of a work machine, vehicle or the like particularly suitable for operation at changing altitudes. The wastegate valve includes a spring operating against an adjustable spring seat. The adjustable sp... | 10/22/2002 |
| 6467270 | Exhaust gas recirculation air handling system for an internal combustion engine A variable geometry turbine and active wastegate are provided in combination along with independent control of the variable geometry turbine and wastegate valve so as to independently control exhaust gas recirculation flow and air flow in an internal comb... | 10/22/2002 |
| 6467271 | System and method for controlling VOC emissions An improved system for controlling emissions of VOC's by combustion of the VOC's in an internal combustion engine, comprising: a chiller through which the VOC's pass for condensing some of the VOC's into useable liquid products, the remaining VOC's being ... | 10/22/2002 |
| 6467272 | Means for wear reduction in a gas turbine combustor A wear reduction means for a fuel nozzle interface of an industrial gas turbine combustor is disclosed. The wear reduction means includes a replaceable insert welded into the engagement location of the fuel nozzle tip. The fuel nozzle tip is coated with a... | 10/22/2002 |
| 6467273 | Method for producing electrical power A method for producing electrical power, the method, in certain aspects, including producing a water/methanol mixture, feeding the water/methanol mixture to apparatus for converting said mixture to a feed stream, the feed stream including hydrogen, carbon... | 10/22/2002 |
| 6467274 | Apparatus and methods for cooling and liquefying a fluid using magnetic refrigeration Methods and apparatus for magnetically cooling and liquefying a process stream include a plurality of active magnetic regenerative refrigerators (AMRRs) configured in parallel or in series and parallel. Active magnetic regenerative liquefiers (AMRLs) incl... | 10/22/2002 |
| 6467275 | Cold point design for efficient thermoelectric coolers A thermoelectric device is provided. In one embodiment, the thermoelectric device includes a first portion of a thermoelement and a second portion of the thermoelement. The first portion of the thermoelement is thermally coupled to a hot plate. The second... | 10/22/2002 |
| 6467276 | Pulse tube refrigerator A pulse tube refrigerator includes a compressor, an after-cooler, a regenerating unit, a pulse tube, an inertance tube, a reservoir, and a vibration absorbing unit which are structured such that vibrations during motor operation are minimized. The vibrati... | 10/22/2002 |
| 6467277 | Cold accumulating material, method of manufacturing the same and refrigerator using the material A cold accumulating material comprising a number of magnetic particles mainly composed of oxide, wherein an average value of equivalent circle diameters of crystal grains constituting the magnetic particles is 0.3-20 μm. It is preferable that an area rat... | 10/22/2002 |
| 6467278 | Cooling for singulation of composite materials in molded semiconductor packages A cooling system to reduce damage resulting from panel singulation is provided. A panel may be formed by encapsulating a lead frame with mounted dice. The encapsulating material may be a composite, plastic, or ceramic. Singulation may be a cutting done by... | 10/22/2002 |
| 6467279 | Liquid secondary cooling system A secondary loop refrigeration system includes plural refrigeration zones serially connected in a secondary cooling loop using a R-134a as a liquid refrigerant in increasing order of operating temperatures, the secondary cooling loop being in heat exchang... | 10/22/2002 |
| 6467280 | Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor A diagnostic system includes a controller adapted for coupling to a compressor or electronic stepper regulator valve. The controller produces a variable duty cycle control signal to adjust the capacity of the compressor or valve position of the electronic... | 10/22/2002 |
| 6467281 | Vapor-compression refrigerant cycle for vehicle In a refrigerant cycle for a vehicle air conditioner, a compressor is operated by a power from a vehicle engine, a load detecting unit is disposed to detect load of the engine, an electromagnetic clutch is turned off so that a consumed power consumed in t... | 10/22/2002 |
| 6467282 | Frost sensor for use in defrost controls for refrigeration An apparatus and method for measuring the total thermal resistance to heat flow from the air to the evaporative cooler fins of a refrigeration system. The apparatus is a frost sensor that measures the reduction in heat flow due to the added thermal resist... | 10/22/2002 |
| 6467283 | Method of retrofitting air conditioner and system therefor A kit and method for retrofitting an R-12 air conditioner into an R-134a air conditioner are provided. The kit includes a first pressurized container of R-134a lubricant or oil sufficient to fully charge an automobile air conditioner. Preferably, the firs... | 10/22/2002 |
| 6467284 | Frostless heat pump having thermal expansion valves A heat pump system having an operable relationship for transferring heat between an exterior atmosphere and an interior atmosphere via a fluid refrigerant and further having a compressor, an interior heat exchanger, an exterior heat exchanger, a heat pump... | 10/22/2002 |
| 6467285 | Automated storage and retrieval apparatus for freezers and related method thereof An automated cold storage apparatus, and related method thereof, provides a sample process management system that is a revolutionary approach to the storage and retrieval regarding critical samples. The system--a significant technological breakthrough in ... | 10/22/2002 |
| 6467286 | Cooling apparatus of hybrid vehicle, including serially-connected cooling systems for electric devices which have different heat resisting allowable temperatures A cooling apparatus which has a simple structure and which can efficiently cool a plurality of electric devices is disclosed. The apparatus comprises a cooling circuit including serially-connected cooling systems for cooling electric devices by circulatin... | 10/22/2002 |
| 6467287 | Valve arrangement for a compressor A compressor and oil separator assembly for compressing a fluid includes a suction end, a discharge end, and first and second rotors rotatably mounted between the suction and discharge ends. A discharge line communicates with the discharge end, and an oil... | 10/22/2002 |
| 6467288 | Heat-pump water heater In a heat-pump water heater, a control unit has a heat-radiation determining means for determining a heat radiation from refrigerant to outside air in an air heat exchanger based on a water temperature flowing into a water heat exchanger, and the control ... | 10/22/2002 |
| 6467289 | Hot-water supply system with heat pump cycle In a hot-water supply system with a heat pump cycle, a control unit controls operation of an expansion valve based on a temperature difference between a refrigerant temperature at an outlet side of a refrigerant passage in a water heat exchanger and a wat... | 10/22/2002 |
| 6467290 | Thermal expansion valve A heat transmission retardant member 140 which is a cylinder-shaped resin tube made of nylon or polyacetals is mounted between an adsorbent 40 and an inner wall of a hollow portion of a heat-sensing driven member 100 with a space 140' between said inner w... | 10/22/2002 |
| 6467291 | Refrigeration cycle apparatus A refrigeration cycle is switched from a refrigeration cycle circuit to a hot gas heater circuit to make the hot gas discharged from a compressor flow into an evaporator and heat the vehicle passenger compartment, at which time, when a suction pressure (P... | 10/22/2002 |
| 6467292 | Control system for compressed gas refrigeration dryers A control system for compressed gas refrigeration dryers comprises a gas/gas exchanger (7), suitable for cooling a mixture of compressed gas (M), using an outgoing gas (K) from an air condenser (8), and at least one refrigeration cycle (11), which include... | 10/22/2002 |
| 6467293 | Grocery delivery vehicle A vehicle adapted to hold and transport groceries for home delivery comprises a chassis and a storage unit. The storage unit includes multiple compartments maintained at different temperatures to keep items placed therein refrigerated, frozen or at ambien... | 10/22/2002 |
