Patent application number | Description | Published |
20080228382 | ENGINE OUTPUT CONTROL SYSTEM AND METHOD - A system for an engine, comprising a cylinder located in the engine, a turbocharger coupled to the engine, a first injector for injecting a first fuel into said cylinder, wherein said first injector is a direct cylinder injector where said direct cylinder injector delivers a liquid including an alcohol, a second injector for injecting a second fuel into said cylinder, wherein said second injector is a port injector, where said port injector delivers a liquid including gasoline, a catalytic device configured to receive exhaust gases produced by at least the cylinder, and a controller configured to vary an amount of said first and second fuel injection during engine operation based on operating conditions, where amounts of variation of said first and second fuels are set to maintain a substantially stoichiometric mixture, the controller further configured to increase a relative amount of injection of the second injector in response to an indication of engine knock during a first operating condition, decrease engine boosting in response to the indication of engine knock during a second condition; and retard ignition timing in response the indication of engine knock during a third condition. | 09-18-2008 |
20100024789 | FUEL SYSTEM FOR MULTI-FUEL ENGINE - An engine system and corresponding control method are described. As one example, the control method includes: combusting fuel from a first fuel tank during a first engine operating condition; combusting fuel from a second fuel tank during a second engine operating condition; transferring fuel from the first fuel tank to the second fuel tank when a fuel level of the second fuel tank falls below a predetermined level; delivering air to the engine from an air compressor; and adjusting the compressor based on a combustion characteristic of fuel from the second tank. | 02-04-2010 |
20100030451 | ENGINE BOOST CONTROL FOR MULTI-FUEL ENGINE - A fuel delivery system for an internal combustion engine and a method of operating the fuel delivery system is described. As one example, the method includes delivering a first fuel blend from a first fuel tank to the engine; delivering a second fuel blend from a second fuel tank to the engine, the proportion of said second fuel blend delivered to the engine to said first fuel blend delivered to the engine being related to the desired engine output; transferring said first fuel blend from said first fuel tank to said second fuel tank to prevent an amount of said first fuel blend and said second fuel blend in said second fuel tank from falling below a predetermined level; and boosting air delivered to the engine, the amount of boosting being related to latent heat of vaporization of said second fuel blend delivered to the engine. | 02-04-2010 |
20100101529 | ENGINE OUTPUT CONTROL SYSTEM AND METHOD - A system for an engine, comprising a cylinder located in the engine, a turbocharger coupled to the engine, a first injector for injecting a first fuel into said cylinder, wherein said first injector is a direct cylinder injector where said direct cylinder injector delivers a liquid including an alcohol, a second injector for injecting a second fuel into said cylinder, wherein said second injector is a port injector, where said port injector delivers a liquid including gasoline, a catalytic device configured to receive exhaust gases produced by at least the cylinder, and a controller configured to vary an amount of said first and second fuel injection during engine operation based on operating conditions, where amounts of variation of said first and second fuels are set to maintain a substantially stoichiometric mixture, the controller further configured to increase a relative amount of injection of the second injector in response to an indication of engine knock during a first operating condition, decrease engine boosting in response to the indication of engine knock during a second condition; and retard ignition timing in response the indication of engine knock during a third condition. | 04-29-2010 |
20100223984 | FUEL VAPOR PURGING DIAGNOSTICS - Systems and methods are provided for monitoring reverse flow of fuel vapors and/or air through a vehicle fuel vapor recovery system, said fuel vapor recovery system coupled to an engine intake of a boosted internal combustion engine. One example method comprises, intermittently adjusting a restriction in the fuel vapor recovery system during boosted conditions, and indicating degradation based on one or more of a change in a pressure value, or based on a change in flow in the fuel vapor recovery system. | 09-09-2010 |
20110011382 | ENGINE BOOST CONTROL FOR MULTI-FUEL ENGINE - A fuel delivery system for an internal combustion engine and a method of operating the fuel delivery system is described. As one example, the method includes delivering a first fuel blend from a first fuel tank to the engine; delivering a second fuel blend from a second fuel tank to the engine, the proportion of said second fuel blend delivered to the engine to said first fuel blend delivered to the engine being related to the desired engine output; transferring said first fuel blend from said first fuel tank to said second fuel tank to prevent an amount of said first fuel blend and said second fuel blend in said second fuel tank from falling below a predetermined level; and boosting air delivered to the engine, the amount of boosting being related to latent heat of vaporization of said second fuel blend delivered to the engine. | 01-20-2011 |
20110073057 | FUEL SYSTEM FOR MULTI-FUEL ENGINE - An engine system and corresponding control method are described. As one example, the control method includes: combusting fuel from a first fuel tank during a first engine operating condition; combusting fuel from a second fuel tank during a second engine operating condition; transferring fuel from the first fuel tank to the second fuel tank when a fuel level of the second fuel tank falls below a predetermined level; delivering air to the engine from an air compressor; and adjusting the compressor based on a combustion characteristic of fuel from the second tank. | 03-31-2011 |
20110132334 | Warming Intake Air Using EGR Cooler in Dual-Throttle Boosted Engine System - A method for providing intake air to an engine in a vehicle comprises delivering compressed fresh air and EGR to the engine via first and second throttle valves coupled to an intake manifold of the engine. During a higher engine-load condition, an EGR exhaust flow is cooled in a heat exchanger and the cooled EGR exhaust flow is admitting to the intake manifold. During a lower engine-load condition, fresh air is warmed in the heat exchanger, and the warmed fresh air is admitted to the intake manifold. | 06-09-2011 |
20110132336 | Discharging Stored EGR in Boosted Engine System - A method for controlling an engine with exhaust gas recirculation is provided. The method comprises directing EGR from exhaust downstream of an exhaust-aftertreatment catalyst to mix with fresh air upstream of an intake compressor and upstream of a throttle valve, and, in response to increased throttling by the throttle valve, discharging the mixed EGR and fresh air from downstream of the intake compressor to the exhaust downstream of the exhaust-aftertreatment catalyst. | 06-09-2011 |
20110220063 | FUEL SYSTEM FOR MULTI-FUEL ENGINE - An engine system and corresponding control method are described. As one example, the control method includes transferring one type of fuel from one fuel tank to a second fuel tank holding another type of fuel and adjusting an engine operating parameter based on the blended fuel mixture by selective operation of a first and second fuel pump. | 09-15-2011 |
20110247325 | ENGINE BOOST CONTROL FOR MULTI-FUEL ENGINE - A fuel delivery system for an internal combustion engine and a method of operating the fuel delivery system is described. As one example, the method includes delivering a first fuel blend from a first fuel tank to the engine; delivering a second fuel blend from a second fuel tank to the engine, the proportion of said second fuel blend delivered to the engine to said first fuel blend delivered to the engine being related to the desired engine output; transferring said first fuel blend from said first fuel tank to said second fuel tank to prevent an amount of said first fuel blend and said second fuel blend in said second fuel tank from falling below a predetermined level; and boosting air delivered to the engine, the amount of boosting being related to latent heat of vaporization of said second fuel blend delivered to the engine. | 10-13-2011 |
20120060498 | Warming Intake Air Using EGR Cooler in Dual-Throttle Boosted Engine System - A method for providing intake air to an engine in a vehicle comprises delivering compressed fresh air and EGR to the engine via first and second throttle valves coupled to an intake manifold of the engine. During a higher engine-load condition, an EGR exhaust flow is cooled in a heat exchanger and the cooled EGR exhaust flow is admitting to the intake manifold. During a lower engine-load condition, fresh air is warmed in the heat exchanger, and the warmed fresh air is admitted to the intake manifold. | 03-15-2012 |
20120166065 | EVENT BASED ENGINE CONTROL SYSTEM AND METHOD - A system for starting an engine is described. In one example, the engine is supplied two fuels via two injectors. The method may improve engine starting and reduce engine emissions. | 06-28-2012 |
20130074589 | FUEL VAPOR PURGING DIAGNOSTICS - Systems and methods are provided for monitoring reverse flow of fuel vapors and/or air through a vehicle fuel vapor recovery system, the fuel vapor recovery system coupled to an engine intake of a boosted internal combustion engine. One example method comprises, intermittently adjusting a restriction in the fuel vapor recovery system during boosted conditions, and indicating degradation based on one or more of a change in a pressure value, or based on a change in flow in the fuel vapor recovery system. | 03-28-2013 |
Patent application number | Description | Published |
20080234354 | Methods And Compositions For Controlling Body Weight And Appetite - The present invention provides novel compositions and methods for the controlling appetite and weight and/or treating obesity using a (+)-1-(3,4-dichlorophenyl)-3-azabicyclo[3.1.0]hexane or related compound. The invention also provides novel compositions and methods for treating or preventing disorders related to or complicated by excessive body weight or obesity, including coronary heart disease, osteoarthritis, osteoporosis, dislipidemias, gout, atherosclerosis, joint pain, sexual and fertility problems, respiratory problems, gall bladder disease, skin conditions, hypertension, diabetes, stroke, pulmonary embolism, sleep apnea, idiopathic intracranial hypertension, lower extremity venous stasis disease, gastro-esophageal reflux, urinary stress incontinence, metabolic syndrome, insulin resistance and cancer. The methods and compositions of the invention may employ a (+)-1-(3,4-dichlorophenyl)-3-azabicyclo[3.1.0]hexane or related compound alone, or in combination with a second anti-appetite or anti-obesity agent. | 09-25-2008 |
20130345280 | Methods And Compositions Employing Bicifadine For Treating Disability Or Functional Impairment Associated With Acute Pain, Chronic Pain, Or Neuropathic Disorders - Methods and compositions are provided for formulating and administering bicifadine and related compounds to treat or prevent functional impairment and disabilities associated with acute pain, chronic pain, and neuropathic disorders. | 12-26-2013 |