Patent application number | Description | Published |
20140150749 | CONTROL SYSTEM FOR ENGINE - A control system for an engine including a fuel delivery system and an ignition source is provided. The control system includes a detector, a processor, and at least one actuator. The detector is configured to sense a signal to change from a compression ignited fuel to a spark ignited fuel. The processor is configured to receive the signal from the detector and generate an actuation signal. The actuator is configured to receive the actuation signal, vary an operating speed of the engine, and selectively control at least one of the fuel delivery system and the ignition source. | 06-05-2014 |
20140156169 | CONTROL SYSTEM FOR MULTI-CYLINDER ENGINE - A control system for fuel delivery systems associated with cylinders of a multi-cylinder engine is provided. The control system includes a detector, a processor, and an actuator. The detector is configured to sense a signal to change from a compression ignited fuel to a spark ignited fuel in a pre-determined number of cylinders. The processor is configured to receive the signal from the detector and generate one or more actuation signals. The controller is configured to receive the actuation signals and tandemly control the fuel delivery systems associated with the pre-determined cylinders based on the actuation signals. | 06-05-2014 |
20140165584 | CRYOGENIC PUMP SYSTEM FOR CONVERTING FUEL - A system for converting liquid fuel into gaseous fuel is provided. The system may have a supply of liquid fuel. The system may also have a combustor, and one or more pumps in fluid communication with the supply. The one or more pumps may be configured to pump liquid fuel from the supply into the combustor. The system may also have a compressor in fluid communication with an inlet of the combustor, and a turbine in fluid communication with an outlet of the combustor. The turbine may be connected to drive the compressor and the one or more pumps. The system may also have a heat exchanger in fluid communication with an outlet of the turbine and an outlet of the one or more pumps. | 06-19-2014 |
20140165587 | SYSTEM FOR CONVERTING GASEOUS FUEL INTO LIQUID FUEL - A system for converting gaseous fuel into liquid fuel is provided. The system may have a combustor configured to receive a supply of gaseous fuel. The system may also have a gas compressor configured to direct gaseous fuel from the supply into the combustor. The system may also have an air compressor configured to direct compressed air into the combustor, and a turbine in fluid communication with an outlet of the combustor. The turbine may be connected to drive the gas compressor and the air compressor. The system may also have at least one heat exchanger in fluid communication with an outlet of the gas compressor and an outlet of the air compressor. The system may also have at least one expander in fluid communication with an outlet of the at least one heat exchanger. The system may also have a condenser in fluid communication with an outlet of the at least one expander. | 06-19-2014 |
Patent application number | Description | Published |
20130284143 | PISTON ASSEMBLY HAVING OFFSET BEARING - A connecting rod assembly is disclosed for use with an engine. The connecting rod assembly may include a first connecting rod having a first end configured to pivotally connect to a first piston and a second can with a circular opening configured to receive a throw of a crankshaft. The connecting rod assembly may also include a second connecting rod having a first end configured to pivotally connect to a second piston and a second end with a circular opening configured to receive the throw of the crankshaft. The second connecting rod may have a running surface defining at least two outer lands and at least one inner land disposed between the at least two outer lands that alternately support a load of the second piston. Both the at least one inner and the at least two outer lands may simultaneously support the load of the second piston at a point of highest load on the second piston. | 10-31-2013 |
20140116386 | FUEL SYSTEM HAVING MULTIPLE GASEOUS FUEL INJECTORS - A fuel system for an engine is disclosed. The fuel system may have a first fuel injector configured to inject a first stream of gaseous fuel radially into a combustion chamber of a cylinder of the engine through a first air intake port. The fuel system may also have a second fuel injector configured to inject a second stream of gaseous fuel radially into the combustion chamber through a second air intake port to collide with the first stream of gaseous fuel. | 05-01-2014 |
20140116388 | FUEL SYSTEM RETROFIT KIT FOR AN ENGINE - A retrofit kit for converting a single-fuel engine having an air box to run on two different fuels is disclosed. The kit may have at least one gaseous fuel injector mountable inside the air box and associated with each cylinder of the engine. The kit may further have a common flow regulator. The kit may also have at least one individual fuel supply line configured to connect the common flow regulator to the at least one gaseous fuel injector. The kit may additionally have a fuel supply and a common fuel supply line configured to connect the common flow regulator to the fuel supply. | 05-01-2014 |
20140116390 | FUEL SYSTEM HAVING A FUEL-COOLED INJECTOR - A fuel system for an engine is disclosed. The fuel system may have a fuel injector configured to inject fuel into a cylinder of the engine. The fuel system may also have a first fuel supply line configured to supply liquid fuel to the fuel injector to cool the fuel injector. The fuel system may further have a second fuel supply line configured to direct fuel from the fuel injector back to the fuel injector for discharge into a cylinder of the engine. | 05-01-2014 |
20140116391 | FUEL SYSTEM HAVING AN INJECTOR BLOCKING MEMBER - A fuel system for an engine is disclosed. The fuel system may include a gaseous fuel injector configured to inject gaseous fuel into a cylinder of the engine. The gaseous fuel injector may include an end fluidly connected to an air intake port and a tip creating an axial flow path for the gaseous fuel directed toward a center of the cylinder. The fuel system may also include a blocking member located in the axial flow path at a distal end of the tip. The blocking member may include at least one aperture to allow the gaseous fuel to pass through the blocking member on the axial flow path. | 05-01-2014 |
20140123916 | Utilizing Locomotive Electrical Locker to Warm Liquid Natural Gas - A system for the exchange of thermal energy generated by electrical components in an electrical locker to a flow of a liquefied gas is provided. The system includes a storage container for cryogenically storing the liquefied gas at low pressure, a heat exchanger configured into the electrical locker, and a cryogenic pump in fluid communication with the storage container. The cryogenic pump pressurizes the liquefied gas received from the storage container to a higher pressure and pumps the pressurized liquefied gas to a location where vaporization of the liquefied gas into a gaseous form is performed using the thermal energy drawn from the electrical locker by the heat exchanger. | 05-08-2014 |
20140245979 | VARIABLE VALVE TIMING ARRANGEMENT - A variable valve timing arrangement for an engine system is disclosed. The variable valve timing arrangement includes a cam follower configured to follow a cam lobe. A pushrod is operably connected with the cam follower and a pushrod rotation mechanism is configured to selectively rotate the pushrod. Further, a cam follower adjustment mechanism is configured to reposition the cam follower based on the rotation of the pushrod. | 09-04-2014 |
20140261333 | ENGINE CONTROL SYSTEM HAVING A VARIABLE ORIFICE - A control system for an engine is disclosed. The control system may have a first gaseous-fuel injector configured to inject gaseous fuel into a first intake passage associated with at least a first cylinder and a second gaseous-fuel injector configured to inject gaseous fuel into a second intake passage associated with at least a second cylinder. The control system may also have a variable orifice disposed within the second intake passage upstream of the first gaseous fuel injector. The control system may additionally have a sensor configured to provide a signal indicative of a performance parameter of the engine and a controller electronically connected to the variable orifice and the sensor. The controller may be configured to move the variable orifice to adjust a ratio of air-to-fuel in the first and second intake passages based on the signal. | 09-18-2014 |
20140305393 | COMPRESSION RELIEF VALVE - An engine includes a cylinder head and a cylinder block connected to the cylinder head at an interface. A compression relief valve is substantially inset in the cylinder head of the engine. The compression relief valve is connected to an engine control module via a wire harness. The compression relief valve includes a body having a bore. Further, the compression relief valve includes a needle inset in the bore. The compression relief valve includes a compression relief valve sensor assembly disposed in at least one of the body or the needle. The compression relief valve sensor assembly is configured to generate a cylinder head temperature signal proportional to a cylinder head temperature at the interface. | 10-16-2014 |
20150082781 | PNEUMATIC SYSTEM FOR ENGINES - A method to rotate crankshaft of an engine via a pneumatic system is disclosed herein. The engine includes a plurality of engine cylinders. The pneumatic system has an air compressor and a plurality of valves. The method includes monitoring angular orientation of the crankshaft and determining the position of the piston of the plurality of engine cylinders. An engine cylinder amongst the plurality of engine cylinders is selected with the piston in one of a power stroke or a compression stroke. A valve corresponding to the engine cylinder is activated. Upon activation of the valve, compressed air is supplied to the engine cylinder by the air compressor. The valve is then deactivated as the piston attains completion of one power stroke or one compression stroke. The activation, supply, and deactivation are sequentially repeated for each of the plurality of engine cylinders, based on predetermined firing order of the engine. | 03-26-2015 |
Patent application number | Description | Published |
20130220071 | CONNECTING ROD BOLT HAVING LOCATING FEATURES - A connecting rod bolt is provided for use with a connecting rod assembly. The connecting rod bolt may have a body portion having a first end, a threaded second end opposite the first end, and an outer surface extending in a length direction from the first end to the second end. The connecting rod bolt may further have a plurality of locating features having a radius aligned with the outer surface and a plurality of clearance features disposed on the outer surface between adjacent locating features, wherein a distance from a center of the body portion to an outer surface of each clearance feature is less than the radius of the plurality of locating features. The connecting rod bolt may also have a head portion connected to the first end of the body portion. | 08-29-2013 |
20130284123 | ENERGY RECOVERY SYSTEM FOR A MOBILE MACHINE - The disclosure is directed to an energy recovery system for a mobile machine. The energy recovery system may include a tank configured to store a liquid fuel for combustion within an engine of the mobile machine, and a combustor selectively connectable to receive gaseous fuel formed in the tank. The energy recovery system may also include a recovery device operable to generate work using exhaust from the combustor. | 10-31-2013 |
20140000549 | COMPRESSION RING FOR AN ENGINE | 01-02-2014 |
20140033941 | ENERGY RECOVERY SYSTEM FOR A MOBILE MACHINE - The disclosure is directed to an energy recovery system for a mobile machine. The mobile machine may include a locomotive and a tender car. The recovery system may include a tank located on the tender car. The tank may be configured to store a liquid fuel for combustion within a main engine located on the locomotive. The recovery system may also include a fuel delivery circuit connecting the tank to the main engine, and an auxiliary engine located on the locomotive. The auxiliary engine may be selectively connectable to receive gaseous fuel formed in the tank. The energy recovery system may also include a boil-off circuit connecting the tank to the auxiliary engine. | 02-06-2014 |
20140033942 | CONSIST HAVING SELF-PROPELLED TENDER CAR - The disclosure is directed to a tender car for a consist. The tender car may have a frame, a truck configured to support the frame, and a fuel tank mounted to the frame. The tender car may also have a wheel rotatably connected to the truck, and a motor operatively connected to the wheel and configured to drive the wheel. The tender car may further have a power supply configured to power the motor when the tender car is decoupled from the consist. | 02-06-2014 |
20140033943 | FUEL DISTRIBUTION SYSTEM FOR MULTI-LOCOMOTIVE CONSIST - The disclosure is directed to a fuel distribution system for a consist. The fuel distribution system may have a first locomotive, a second locomotive, and a tender car. The fuel distribution system may also have at least one pump located onboard the tender car, and at least one fluid conduit attached to the at least one pump. The at least one fluid conduit may be configured to deliver gaseous fuel from the tender car to the first and second locomotives. | 02-06-2014 |
20140033944 | ENERGY RECOVERY SYSTEM FOR A MOBILE MACHINE - The disclosure is directed to an energy recovery system for a mobile machine. The system may have a tank configured to store a liquid fuel for combustion within a main engine located on the locomotive, and a fuel delivery circuit connecting the tank to the main engine. The system may also have an auxiliary engine, and a boil-off circuit connecting the tank to the auxiliary engine. The system may also have an accumulator fluidly connected to the boil-off circuit between the tank and the auxiliary engine and configured to store gaseous fuel formed in the tank, and a carbon adsorbent disposed within the accumulator and configured to adsorb the gaseous fuel. The auxiliary engine may be configured to selectively generate a suction force to withdraw gaseous fuel adsorbed onto the carbon adsorbent. | 02-06-2014 |
20140033945 | CONSIST POWER SYSTEM HAVING AUXILIARY LOAD MANAGEMENT - The disclosure is directed to a power system for a consist. The power system may have a main engine located onboard a locomotive of the consist, a main generator driven by the main engine to generate a main supply of electric power, and a traction motor configured to receive the main supply of electric power and propel the locomotive. The power system may also have an auxiliary engine located on a tender car towed by the locomotive, and an auxiliary generator driven by the auxiliary engine to generate an auxiliary supply of power directed to the locomotive. | 02-06-2014 |
20140033948 | CONSIST HAVING SELF-POWERED TENDER CAR - The disclosure is directed to a tender car for a consist. The tender car may have a frame, a truck configured to support the frame, and a wheel rotatably connected to the truck. The tender car may also have a motor operatively connected to the wheel and configured to generate electric power when the wheel is rotated. The tender car may further have a tank mounted to the frame and configured to hold a liquefied gaseous fuel, and a fuel pump mounted to the frame and configured to pump the liquefied gaseous fuel from the tank. The fuel pump may be driven by electric power generated by the motor. | 02-06-2014 |
20140034151 | FUEL SYSTEM FOR CONSIST HAVING DAUGHTER LOCOMOTIVE - The disclosure is directed to a fuel system for a consist. The fuel system may have a tank located on a tender car of the consist and configured to hold a supply of liquefied gaseous fuel. The fuel system may also have an accumulator located on a daughter locomotive of the consist and configured to hold a supply of gaseous fuel. The fuel system may further have at least one conduit fluidly connecting the tank to the accumulator and the accumulator to a first engine on a lead locomotive of the consist. | 02-06-2014 |
20140091063 | SYSTEM FOR HARDENING A CYLINDRICAL METAL COMPONENT - A system for hardening a cylindrical metal component is disclosed. The system may include a current generating device configured to pass current through the cylindrical metal component, and an actuator configured to axially move the current generating device through the cylindrical metal component. The system may also include a controller in communication with the current generating device and the actuator, the controller being configured to cause the current generating device to pass current through a first end section of the cylindrical metal component to heat the first end section of the cylindrical metal component. The controller may also be configured to inhibit the current generating device from passing current through a middle section of the cylindrical metal component, and cause the current generating device to pass current through a second end section of the cylindrical metal component to heat the second end section of the cylindrical metal component. | 04-03-2014 |
20140116283 | FUEL PRESSURE ACTUATED COUPLING FOR TRAIN CONSIST - The disclosure is directed to a coupling system for a train consist. The coupling system may include a first conduit associated with a locomotive of the train consist, a second conduit associated with a tender car of the train consist, and a fluid coupling connecting the first and second conduits. The coupling system may also include a first mechanical coupler associated with the locomotive and a second mechanical coupler associated with the tender car and configured to engage and lock with the first mechanical coupler. The coupling system may further include a locking device driven by fluid passing through the fluid coupling that is configured to inhibit disengagement of the first mechanical coupler and the second mechanical coupler. | 05-01-2014 |
20140150753 | FUEL RECOVERY SYSTEM - A fuel recovery system for a machine is disclosed. The fuel recovery system may have a tank configured to store a liquid fuel. The fuel recovery system may also have an accumulator fluidly connected to the tank and configured to receive gaseous fuel formed in the tank. The fuel recovery system may further have a compressor fluidly connected to the accumulator and configured to compress the gaseous fuel. In addition, the fuel recovery system may have a separator fluidly connected to the compressor and the tank. The separator may be configured to receive the compressed gaseous fuel, and separate the compressed gaseous fuel into a first flow of gaseous fuel at a first temperature and a second flow of gaseous fuel at a second temperature. In addition, the separator may be configured to direct the second flow to the tank. | 06-05-2014 |
20140165568 | Energy Recovery System for a Mobile Machine - The disclosure is directed to an energy recovery system for a mobile machine The energy recovery system may include a tank configured to store a liquid fuel for combustion within an engine of the mobile machine, and a first reservoir configured to receive gaseous fuel formed in the tank. The energy recovery system may also include a conduit disposed around the tank that may be fluidly connected to the first reservoir. The energy recovery system may also include a second reservoir fluidly connected to the conduit, and an energy recovery configured to generate work utilizing a temperature gradient between gaseous fuel disposed within the first and second reservoirs. | 06-19-2014 |
20140261260 | ENGINE AND VENTILATION SYSTEM FOR AN ENGINE - A ventilation system for an engine is disclosed. The ventilation system may include a first conduit configured to connect an exhaust system of the engine with a crankcase of the engine, a second conduit configured to connect to a vent of the crankcase, and a valve disposed within the second conduit. Additionally, the ventilation system may include a sensor configured to generate a signal indicative of a concentration of a gaseous constituent within the crankcase of the engine, and a controller in communication with the valve and the sensor, the controller being configured to selectively move the valve based on the signal. | 09-18-2014 |
20150083229 | FUEL SYSTEM FOR CONSIST HAVING DAUGHTER LOCOMOTIVE - The disclosure is directed to a fuel system for a consist. The fuel system may have a tank located on a tender car of the consist and configured to hold a supply of liquefied gaseous fuel. The fuel system may also have an accumulator located on a daughter locomotive of the consist and configured to hold a supply of pressurized gaseous fuel at a predetermined pressure. The fuel system may further have at least one conduit fluidly connecting the tank to the accumulator and the accumulator to a first engine on a lead locomotive of the consist. The accumulator is configured to supply pressurized gaseous fuel to the first engine when pressure of fluid within the at least one conduit drops below the predetermined pressure of the pressurized gaseous fuel in the accumulator. | 03-26-2015 |