An apparatus for injecting and igniting a fuel in an internal combustion engine includes a combustion chamber defined by a cylinder in an engine block, a cylinder head capping one end of the cylinder, and a piston reciprocatable within the cylinder. The piston includes a piston bowl asymmetric about a longitudinal axis and a top land surface facing the cylinder head and extending circumferentially around the piston bowl. The top land surface is parallel to a majority of a surface of the cylinder head facing the combustion chamber. A squish volume extends between the top land surface and the cylinder head. There is an in-cylinder fuel injector configured to directly inject the fuel as a fuel jet into the combustion chamber and an igniter disposed along a trajectory of the fuel jet to ignite the fuel jet.
F02F 3/26 - Pistons comportant une chambre de combustion ménagée dans la tête de piston
F02M 21/02 - Appareils pour alimenter les moteurs en combustibles non liquides, p.ex. en combustibles gazeux stockés sous forme liquide en combustibles gazeux
2.
APPARATUS AND METHOD FOR MANAGING AUTOIGNITION IN AN IN-CYLINDER INJECTOR AND COMBUSTION CHAMBER OF AN INTERNAL COMBUSTION ENGINE
An apparatus for managing ignition in a chamber of an in-cylinder injector that introduces a fuel directly into a combustion chamber of an internal combustion engine. The chamber includes an injection hole in fluid communication with the combustion chamber. A controller connected with the in-cylinder injector is programmed to actuate the in-cylinder injector to inject the fuel; determine whether autoignition is possible in the chamber as a function of operating parameters; and perform a mitigation strategy to prevent autoignition within the chamber when autoignition is possible.
F02D 19/02 - Commande des moteurs caractérisés par l'emploi de combustible non liquide, de combustibles multiples ou de substances non combustibles ajoutées au mélange carburant particulière aux moteurs fonctionnant avec des combustibles gazeux
F02D 41/38 - Commande de l'injection de combustible du type à haute pression
F02D 41/40 - Commande de l'injection de combustible du type à haute pression avec des moyens pour commander la synchronisation ou la durée de l'injection
F02D 43/00 - Commande électrique simultanée de plusieurs fonctions, p.ex. allumage, mélange air-combustible, recirculation, suralimentation ou traitement des gaz d'échappement
3.
APPARATUS AND METHOD FOR PRESSURE REGULATION OF A GASEOUS FLUID
A pressure regulation system for a gaseous fluid includes a gaseous fluid supply and a hydraulic fluid supply of a hydraulic fluid. A rail injector is in fluid communication with the gaseous fluid supply and the hydraulic fluid supply and is hydraulically actuated with the hydraulic fluid. A gaseous-fluid rail is in fluid communication with the rail injector and in selective fluid communication with the gaseous fluid supply. A pressure sensor in fluid communication with the gaseous-fluid rail is responsive to gaseous-fluid rail pressure to emit signals representative thereof. A controller communicatively configured with the pressure sensor and the rail injector is programmed to receive the signals representative of the gaseous-fluid rail pressure to determine a measured gaseous-fluid rail pressure; and to actuate the rail injector to inject the gaseous fluid from the gaseous fluid supply into the gaseous-fluid rail as a function of the measured gaseous-fluid rail pressure.
F02D 19/02 - Commande des moteurs caractérisés par l'emploi de combustible non liquide, de combustibles multiples ou de substances non combustibles ajoutées au mélange carburant particulière aux moteurs fonctionnant avec des combustibles gazeux
F02D 41/30 - Commande de l'injection de combustible
F02M 21/02 - Appareils pour alimenter les moteurs en combustibles non liquides, p.ex. en combustibles gazeux stockés sous forme liquide en combustibles gazeux
A pressure regulator for regulating a differential pressure between a first fluid pressure of a first fluid and a second fluid pressure of a second fluid is disclosed. The pressure regulator has a valve between a regulator body and a valve member. The valve member is moveably disposed within a first longitudinal bore of the regulator body between a first-fluid-pressure sensing chamber and a second-fluid-pressure sensing chamber. The first-fluid-pressure sensing chamber is in fluid communication with the first-fluid inlet and the second-fluid-pressure sensing chamber is in fluid communication with the second-fluid port. The valve member is moveable between a closed position where a cross-sectional flow area through the valve is below a predetermined level and an open position where the cross-sectional flow area through the valve is above the predetermined level.
F02D 19/06 - Commande des moteurs caractérisés par l'emploi de combustible non liquide, de combustibles multiples ou de substances non combustibles ajoutées au mélange carburant particulière aux moteurs fonctionnant avec des combustibles multiples, p.ex. alternativement du fuel léger et du fuel lourd, et autres que les moteurs indifférents au combustible utilisé
F02M 21/02 - Appareils pour alimenter les moteurs en combustibles non liquides, p.ex. en combustibles gazeux stockés sous forme liquide en combustibles gazeux
F16K 17/04 - Soupapes ou clapets de sûreté; Soupapes ou clapets d'équilibrage fermant sur insuffisance de pression d'un côté actionnés par ressort
F16K 17/06 - Soupapes ou clapets de sûreté; Soupapes ou clapets d'équilibrage fermant sur insuffisance de pression d'un côté actionnés par ressort avec dispositions particulières pour régler la pression d'ouverture
5.
APPARATUS AND METHOD FOR RECIRCULATING HYDRAULIC FLUID
An apparatus and method for recirculating hydraulic fluid includes commanding a fluid switching valve to a first actuating position where pressurized hydraulic fluid moves a piston; detecting when the piston has completed a first stroke; delay commanding the fluid switching valve to a second actuating position, a bypass valve to a bypass position, or a hydraulic pump to stop pressurizing hydraulic fluid, the piston-bypass valve is open such that hydraulic fluid is fluidly communicated into a sub-circuit through an entry port and through the piston-bypass valve wherein a quantity of hydraulic fluid is flushed out of the sub-circuit through an exit port; and command the fluid switching valve to the second actuating position, the bypass valve to the bypass position, or the hydraulic pump to stop pressurizing the hydraulic fluid.
F15B 21/08 - Systèmes de servomoteur comportant des moyens de commande actionnés électriquement
F15B 7/00 - Systèmes de manœuvre utilisant la pression d'un fluide dans lesquels le mouvement produit est lié de façon définie au débit d'une pompe volumétrique; Télémoteurs
6.
APPARATUS AND METHOD FOR REGULATING AND INJECTING GASEOUS FUEL INTO AN INTERNAL COMBUSTION ENGINE
An apparatus includes a pressure regulator, an in-cylinder fuel injector and a controller programmed to, when fueling with a first gaseous fuel, command the regulator to regulate the pressure of the first gaseous fuel to a first injection pressure; and command the injector to inject within 90 CA° of TDC during a compression stroke an injected quantity of a first gaseous fuel into the combustion chamber at the first injection pressure, and when fueling with a second gaseous fuel, to command the regulator to regulate the pressure of the second gaseous fuel to a second injection pressure; and command the injector to inject within 90 CA° of TDC during the compression stroke an injected quantity of a second injected gaseous fuel.
F02M 21/02 - Appareils pour alimenter les moteurs en combustibles non liquides, p.ex. en combustibles gazeux stockés sous forme liquide en combustibles gazeux
7.
APPARATUS AND METHOD FOR REGULATING GASEOUS FUEL PRESSURE AND MITIGATING EMISSIONS IN AN INTERNAL COMBUSTION ENGINE SYSTEM
An engine fueled with a gaseous fuel includes a storage vessel storing the gaseous fuel in the gas state. For an engine speed and engine load, a storage-pressure brake thermal efficiency (where an injection pressure equals the storage pressure) is compared to a second-pressure brake thermal efficiency (where the injection pressure is equal to the second pressure and based on a parasitic energy cost of pressurizing the gaseous fuel from the storage pressure to the second pressure). The gaseous fuel is pressurized from the storage pressure to the second pressure when the second-pressure brake thermal efficiency is greater than the storage-pressure brake thermal efficiency.
F02D 19/02 - Commande des moteurs caractérisés par l'emploi de combustible non liquide, de combustibles multiples ou de substances non combustibles ajoutées au mélange carburant particulière aux moteurs fonctionnant avec des combustibles gazeux
F02D 41/30 - Commande de l'injection de combustible
F02M 21/02 - Appareils pour alimenter les moteurs en combustibles non liquides, p.ex. en combustibles gazeux stockés sous forme liquide en combustibles gazeux
8.
APPARATUS AND METHOD FOR INJECTING A PILOT FUEL INTO AN INTERNAL COMBUSTION ENGINE
An apparatus and method for injection of a pilot fuel into an internal combustion engine includes a variety of steady state, transient and other techniques to reduce an injection quantity of the pilot fuel and/or a carbon content of the pilot fuel.
F02D 19/08 - Commande des moteurs caractérisés par l'emploi de combustible non liquide, de combustibles multiples ou de substances non combustibles ajoutées au mélange carburant particulière aux moteurs fonctionnant avec des combustibles multiples, p.ex. alternativement du fuel léger et du fuel lourd, et autres que les moteurs indifférents au combustible utilisé utilisant simultanément des combustibles multiples
9.
APPARATUS AND METHOD FOR PRESSURIZING AND SUPPLYING GASEOUS FUEL TO AN INTERNAL COMBUSTION ENGINE
An apparatus and method for pressurizing and supplying a gaseous fuel to an engine includes a first supply and a second supply of the gaseous fuel stored as a compressed gas. A pressure regulator regulates a pressure of the gaseous fuel fluidly received from the first supply or the second supply, a compressor pressurizes the gaseous fuel fluidly received from the first supply or the second supply, and an accumulator fluidly receives gaseous fuel from the compressor and the pressure regulator. A supply-select valve apparatus is in fluid communication with the first supply and the second supply and is actuatable to fluidly connect the first supply with the compressor or the pressure regulator, and to fluidly connect the second supply with the compressor or the pressure regulator.
F02M 21/02 - Appareils pour alimenter les moteurs en combustibles non liquides, p.ex. en combustibles gazeux stockés sous forme liquide en combustibles gazeux
F02D 19/02 - Commande des moteurs caractérisés par l'emploi de combustible non liquide, de combustibles multiples ou de substances non combustibles ajoutées au mélange carburant particulière aux moteurs fonctionnant avec des combustibles gazeux
10.
APPARATUSES AND METHODS FOR FUEL INJECTION AND/OR IGNITION IN AN INTERNAL COMBUSTION ENGINE
A shielded igniter includes a positive-ignition source surrounded by a shield defining a shielded space. The shield includes an inlet hole, a first outlet hole and a second outlet hole. The shielded igniter is disposed within a cylinder of an internal combustion engine adjacent a fuel injector such that a first fuel jet is directed towards the inlet hole such that fuel enters the inlet hole and forms an ignitable fuel-air mixture. The positive-ignition source ignites the fuel within the shielded space such that combustion products exit the first and second outlet holes on a trajectory tangential to a circumference axisymmetric with a longitudinal axis of the fuel injector. Combustion products emanating from the first and second outlet holes ignite respective second and third fuel jets adjacent the first fuel jet on opposite sides thereof.
F02M 21/02 - Appareils pour alimenter les moteurs en combustibles non liquides, p.ex. en combustibles gazeux stockés sous forme liquide en combustibles gazeux
F02M 19/12 - Organes extérieurs de commande, p.ex. comportant des amortisseurs
F02M 57/06 - Injecteurs de combustible combinés ou associés avec d'autres dispositifs les dispositifs étant des bougies à étincelle
F02M 61/04 - Injecteurs de combustible non couverts dans les groupes ou comportant des clapets
F02P 23/04 - Autres moyens physiques d'allumage, p.ex. par laser
11.
APPARATUSES AND METHODS FOR FUEL INJECTION AND IGNITION IN AN INTERNAL COMBUSTION ENGINE
An improved apparatus for injecting and igniting fuel in an internal combustion engine includes a nozzle with a bore and a tip at a distal end. The bore includes a longitudinal axis and an annular valve seat. A needle reciprocates within the bore and in combination with the annular valve seat forms an injection valve where in a closed position the needle abuts the annular valve seat and in an open position the needle is spaced apart from the annular valve seat. A retainer axially protrudes from the tip of the nozzle along the longitudinal axis thereof whereby an annular mixing space extends between the retainer and the tip of the nozzle. There is an igniter secured to the nozzle that includes a positive-ignition source forming an ignition zone within a portion of the annular mixing space. Nozzle arrangements include those with both pilot hole and main holes in the nozzle extending between the plenum and outside the nozzle where the main hole longitudinal axis bypasses the retainer and a pilot fuel jet from the pilot hole(s) is retained and redirected such that an ignitable fuel-air mixture is formed within the annular mixing space. Nozzle arrangements also include nozzles with a plurality of main holes and no separate pilot holes in which the main longitudinal axis bypasses the retainer such that a main fuel jet is scraped by the retainer and scraped fuel is retained and redirected such that an ignitable fuel-air mixture is formed within the annular mixing space. The igniter is actuated to ignite the ignitable fuel-air mixtures.
F02M 21/02 - Appareils pour alimenter les moteurs en combustibles non liquides, p.ex. en combustibles gazeux stockés sous forme liquide en combustibles gazeux
F02B 19/12 - Moteurs caractérisés par des chambres de précombustion avec allumage commandé
F02M 57/06 - Injecteurs de combustible combinés ou associés avec d'autres dispositifs les dispositifs étant des bougies à étincelle
F02M 61/04 - Injecteurs de combustible non couverts dans les groupes ou comportant des clapets
There is a ventilator for mechanical ventilation during a breathing cycle including an 10 inhalation cycle and an exhalation cycle. The ventilator is configurable to be in fluid communication with a supply of a first fluid. The ventilator includes an inhalation pathway and an exhalation pathway. A first fluid injector is in fluid communication with the supply of the first fluid for injecting the first fluid. The inhalation pathway receives the first fluid injected by the first fluid injector. A controller is operatively 15 connected with the first fluid injector and programmed to selectively actuate the first fluid injector to inject the first fluid, which is received within the inhalation pathway such that an inhalation pressure in the inhalation pathway is within a predetermined range during the inhalation cycle.
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