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| Number | Title | Issue Date |
| 6698185 | Exhaust gas purification apparatus and process for internal combustion engine An exhaust gas purification apparatus for an internal combustion engine comprises a NOx trap catalyst disposed in an exhaust passage of the internal combustion engine and a control unit. At a purification timing, the control unit determines a space veloci... | 03/02/2004 |
| 6698186 | Air-fuel ratio controller for internal combustion engines A target air-fuel ratio KCMD for an exhaust gas upstream of a catalytic converter is sequentially determined to converge the output VO2/OUT of an O2 sensor downstream of the catalytic converter to a target value VO2/TARGET, and the amount of fu... | 03/02/2004 |
| 6698187 | Exhaust gas purifying apparatus for an internal-combustion engine An exhaust gas purifying apparatus for an internal-combustion engine, including a three-way catalyst, nitrogen oxide purifier that is disposed downstream of the three-way catalyst, an upstream oxygen sensor that is disposed between the three-way catalyst ... | 03/02/2004 |
| 6698188 | Emission control apparatus of internal combustion engine A NOx occluding member that occludes NOx when the air-fuel ratio is on the fuel-lean side is disposed in an engine exhaust passage. An NOx ammonia sensor is disposed in the engine exhaust passage downstream of the NOx occluding member. A surplus amount of... | 03/02/2004 |
| 6698189 | Method for operation of an internal combustion engine An internal combustion engine (1), especially of a motor vehicle, is described, which has a combustion chamber (4) into which fuel can be injected in a rich operating mode and in a lean operating mode. The internal combustion engine (1) is provided with a... | 03/02/2004 |
| 6698190 | Device and method for cleansing exhaust gas An exhaust gas purification device in a vehicle, wherein a reforming reactor is provided for extraction of hydrogen from fuel and the hydrogen is supplied to an exhaust gas stream of an internal combustion engine upstream of the exhaust gas catalytic conv... | 03/02/2004 |
| 6698191 | High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature A system and method for providing reductant to a lean NOx catalyst, when the temperature in the lean NOx catalyst is greater than 300° C., is disclosed. After the reductant is supplied under these conditions, the NOx conversion efficiency of the lean NOx... | 03/02/2004 |
| 6698192 | Fuel injection control for diesel engine A particulate filter (4) is provided in an exhaust passage (3) of a diesel engine (1) in order to trap particulate matter in exhaust gas. A controller (11) determines a basic fuel injection amount in response to an accelerator pedal depression amount (S22... | 03/02/2004 |
| 6698193 | Exhaust gas cleaning system for an internal combustion engine, for a motor vehicle An exhaust gas cleaning system for an internal combustion engine for a motor vehicle has a catalytic converter housing with an associated exhaust catalytic converter and an inlet opening for connecting an exhaust pipe. A throttle element is arranged in th... | 03/02/2004 |
| 6698194 | Two-stroke internal combustion engine A two-stroke internal combustion engine (1) is provided with a muffler device (2). In one example, the engine (1) is intended for a working tool, such as a chain saw or a trimmer. A pipe (3), which either is straight or bent, and having an adapted or tune... | 03/02/2004 |
| 6698195 | Hydrodynamic coupling The invention relates to a flow-controlled, hydrodynamic coupling having an operating chamber (5.2) which is formed from a pump impeller (3.2) and a turbine impeller (4.2) and is intended for introducing an operating medium. In order to make it possible f... | 03/02/2004 |
| 6698196 | Drive circuit for fluid motor When the load acting on a fluid motor (25) increases, a changeover valve (61) starts to be changed over toward a low-speed position L, but at this time an additional pilot fluid whose pressure is determined by the amount of fluid flowing into or out of a ... | 03/02/2004 |
| 6698197 | Hydraulically actuated by-pass valve A closed loop hydrostatic transmission including a pump (11) having a charge pump (23) and an assembly (25). The assembly (25) includes a pair of relief and check valve assemblies (65,67), and each one includes a check valve poppet (71) relatively fixed t... | 03/02/2004 |
| 6698198 | Hydrostatic transmission A control apparatus for a hydrostatic device such as a hydrostatic transmission having a rotatable pump and motor mounted in a housing, a moveable swash plate engaged to the pump and a trunnion shaft engaged to one side of the swash plate and extending ou... | 03/02/2004 |
| 6698199 | Swash plate type hydraulic drive transmission and hydrostatic type continuously variable transmission Distributing valves of a swash plate type hydraulic drive transmission can make a cylinder block smaller and reduce the number of processes and the number of parts. Distributing valves alternately switch, corresponding to the axial reciprocating motion of... | 03/02/2004 |
| 6698200 | Efficiency thermodynamic engine A novel thermodynamic engines including a piston operating on a compressible fluid in a thermally insulated volume, which also includes a movable displacer which selectively divides the internal volume between a warm and a cold side, and a regenerator thr... | 03/02/2004 |
| 6698201 | Cascaded bimorph rotary actuator Linear bimorph actuators are cascaded together in serpentine array structures to achieve large angle rotary displacements. Bimorph units contain single material beams that remain straight when heated coupled with substantially parallel bilayer beams that ... | 03/02/2004 |
| 6698202 | Master cylinder A master cylinder of the invention supplies a brake fluid from a large diameter pressurizing chamber 56 to a small diameter hydraulic chamber 49 by opening a reverse flow checking opening and closing portion 61 by sliding movement of a stepped piston 16 f... | 03/02/2004 |
| 6698203 | System for estimating absolute boost pressure in a turbocharged internal combustion engine A system for estimating absolute boost pressure in a turbocharged internal combustion engine includes a pressure sensor producing a pressure signal indicative of the pressure of air entering a turbocharger compressor inlet, a temperature sensor producing ... | 03/02/2004 |
| 6698204 | Steam generator plant Steam generator unit having a fluidized-bed combustion system, which has a fluidized-bed combustion chamber, at least one second gas pass, and at least one separator positioned between the fluidized-bed combustion chamber and second gas pass. The steam ge... | 03/02/2004 |
| 6698205 | Device to increase turbine efficiency by removing electric charge from steam Small, rigid electrodes in the form of sharp-pointed rods ("pins") installed around the periphery of the diffuser at the exhaust of a steam turbine extend into the path of the wet steam flowing out of the turbine and remove electric charge from the steam,... | 03/02/2004 |
| 6698206 | Combustion chamber A three-stage lean burn combustion chamber (28) comprises a primary combustion zone (36), a secondary combustion zone (40) and a tertiary combustion zone (44). Each of the combustion zones (36,40,44) is supplied with premixed fuel and air by respective fu... | 03/02/2004 |
| 6698207 | Flame-holding, single-mode nozzle assembly with tip cooling A flame-holding nozzle for a combustion turbine engine is disclosed. The nozzle includes several elongated sleeves in a substantially-concentric arrangement. The sleeves cooperatively provide distinct passageways for fluids to move through the nozzle. The... | 03/02/2004 |
| 6698208 | Atomizer for a combustor An atomizer for use with a combustor in a gas turbine has a body with a fuel passageway extending through the center of the body. A plurality of channels extends within the body about the passageway centerline, and are oriented along a circumferential ang... | 03/02/2004 |
| 6698209 | Method of and appliance for suppressing flow eddies within a turbomachine Described are a method of and an appliance for suppressing flow eddies within a turbomachine, having a burner in which a fuel/air mixture is caused to ignite and in which hot gases are formed which leave the burner at the burner outlet and discharge into ... | 03/02/2004 |
| 6698210 | Cold insulating chamber A cooler box includes a box member that has a hermetically closable cooling chamber formed inside it and that insulates heat and a cooling device that cools the interior of the cooling chamber. The cooling device is a Stirling-cycle refrigerator. Here, us... | 03/02/2004 |
| 6698211 | Natural gas fuel storage and supply system for vehicles A natural gas fuel storage and supply system, particularly suited for use in vehicles powered by liquid natural gas (LNG), includes an insulated tank containing a supply of LNG with a headspace there above. A pump and a vaporizer are in circuit between th... | 03/02/2004 |
| 6698212 | Cryogenic temperature control apparatus and method A cryogenic temperature control apparatus comprises a storage tank housing a quantity of cryogenic fluid, a housing defining a conditioned space, and a heat exchanger in thermal communication with the conditioned space. A first flow path fluidly connects ... | 03/02/2004 |
| 6698213 | Systems and methods for freezing and storing biopharmaceutical material The present invention provides a system for freezing, thawing, and storing biopharmaceutical materials which includes a flexible container, a conduit, and a temperature control unit. The flexible container is adapted to receive a biopharmaceutical materia... | 03/02/2004 |
| 6698214 | Method of refrigeration with enhanced cooling capacity and efficiency This invention relates to a refrigeration method and processes that employ a nontoxic and environmentally benign, oil-free refrigerant in a novel vapor-compression thermodynamic cycle that includes a means for enhancing cooling capacity and efficiency. A ... | 03/02/2004 |
| 6698215 | Level sensory device and mounting bracket therefor A level sensing device (10) for a drain pan (50) which collects fluid from a source of fluid (40) in an associated HVAC unit (39). The drain pan (50) has at least one side wall (55). The device (50) has a bracket (12) having agenerally U-shaped portion wi... | 03/02/2004 |
| 6698216 | Method for controlling a refrigeration unit for evaporator maintenance A refrigeration system for cooling a logic module includes an evaporator housing including an evaporator block in thermal communication with the logic module. The evaporator housing includes a humidity sensor for detecting a humidity within the evaporator... | 03/02/2004 |
| 6698217 | Freezing device An object of the present invention is to continue operation as it is without inducing any degradation of performance of a compressor even if one of compressors is broken down in a refrigeration apparatus which can freely cool or warm the inside of a room,... | 03/02/2004 |
| 6698218 | Method for controlling multiple refrigeration units A refrigeration system for cooling a logic module includes an evaporator housing including an evaporator block in thermal communication with the logic module. The evaporator housing includes a humidity sensor for detecting a humidity within the evaporator... | 03/02/2004 |
| 6698219 | Energy-efficient variable-air-volume (VAV) system with zonal ventilation control A ventilation and air-conditioning system uses a first variable-air-volume system to cool and dehumidify fresh outside air and deliver it through a first duct to a mixing box located downstream. The system also uses a second variable-air-volume system to ... | 03/02/2004 |
| 6698220 | Automotive air conditioning system In an automotive air conditioning system according to the present invention, a thin condenser 2 of a condensing unit portion 10 installed on a flat roof of a vehicle such as a bus is provided in such a manner as to be inclined downwardly from the front to... | 03/02/2004 |
| 6698221 | Refrigerating system Disclosed is a refrigerating system which retrieves energy lost when the pressure necessary to make refrigerant flowing is changed from high pressure to low pressure and reuses the energy as a power source for increasing the pressure again, thereby reduci... | 03/02/2004 |
| 6698222 | Removable food support element in a refrigerator with means for setting the temperature of the compartment in which it is positioned, and a refrigerator containing such a compartment A removable food support element in a refrigerator, for example a shelf, drawer or the like, comprising a body to be positioned on supports present on opposing walls of a refrigerator compartment; there being provided, associated with the body of the elem... | 03/02/2004 |
| 6698223 | Energy collecting system and method of operating the same In the air-conditioning system, a primary side to generate heat includes a heat storage and a heat source and produces cool or warm water using an inexpensive commercial power source such as a nighttime power source. A system collaboration unit is dispose... | 03/02/2004 |
| 6698224 | Electronic apparatus having at least two electronic parts operating at different temperatures An electronic apparatus includes a thermally insulated vessel having a cooling part therein. Disposed inside the thermally insulated vessel are a first electronic part and a second electronic part. The second electronic part is spaced apart from the cooli... | 03/02/2004 |
