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Combustion patents



      
           
This page is updated frequently with new Combustion-related patent applications. Subscribe to the Combustion RSS feed to automatically get the update: related Combustion RSS feeds. RSS updates for this page: Combustion RSS RSS


Fuel cell system and method of controlling the fuel cell system

Honda Motor

Fuel cell system and method of controlling the fuel cell system

Module battery and method of manufacturing module battery

Ngk InsulatorsLtd

Module battery and method of manufacturing module battery

Module battery and method of manufacturing module battery

Redline Detection

Balloon catheter apparatus for internal combustion engine component leak detection and high pressure leak detection

Date/App# patent app List of recent Combustion-related patents
06/25/15
20150181687
 Antenna structure and internal combustion engine patent thumbnailAntenna structure and internal combustion engine
The antenna structure has a high frequency wave transmission line that transmits a high frequency wave and an emission antenna part for emitting the high frequency wave supplied via the high frequency wave transmission line. The emission antenna part includes a metal antenna having a rod-like shape and a ceramic layer that covers at least a part of the metal antenna..
Imagineering, Inc.
06/25/15
20150180066
 Fuel cell system and  controlling the fuel cell system patent thumbnailFuel cell system and controlling the fuel cell system
A control device includes a combustion apparatus temperature comparison unit for comparing a temperature of a combustion apparatus and a combustion apparatus temperature range, a combustion apparatus flame-out determination unit for determining whether flame-out occurs in the combustion apparatus based on a comparison result by the combustion apparatus temperature comparison unit, and a combustion apparatus control unit for starting or stopping operation of a start-up combustor based on a determination result by the combustion apparatus frame-out determination unit.. .
Honda Motor Co., Ltd.
06/25/15
20150180011
 Module battery and  manufacturing module battery patent thumbnailModule battery and manufacturing module battery
Two or more strings are connected in parallel. The strings each include two or more cells and a fuse.
Ngk Insulators, Ltd
06/25/15
20150177092
 Balloon catheter  internal combustion engine component leak detection and  high pressure leak detection patent thumbnailBalloon catheter internal combustion engine component leak detection and high pressure leak detection
An inflatable, balloon-type catheter apparatus which is conformable to fit most all intake and exhaust systems to delivery pressure (with or without smoke) to test the fluid integrity of the fluid system. The device is configured to be inserted into the canal of the intake or exhaust system and inflated to seal off the fluid system.
Redline Detection, Llc
06/25/15
20150176862
 Water heater patent thumbnailWater heater
A fan serves to suction combustion gas which has passed through a secondary heat exchanger and emitting combustion gas to the outside of a water heater. A drainage water discharge pipe is connected to the secondary heat exchanger in order to discharge the drainage water produced as a result of recovery of latent heat in the secondary heat exchanger to the outside of the secondary heat exchanger.
Noritz Corporation
06/25/15
20150176861
 Water heater patent thumbnailWater heater
A water heater of a latent heat recovery type includes: a combustion apparatus including a burner having a plurality of burner port portions and generating combustion gas from openings at ends of the plurality of burner port portions; a heat exchanger heating water that flows through inside by heat exchange with combustion gas generated in the combustion apparatus; and a fan suctioning the combustion gas that has passed through the heat exchanger and emitting combustion gas to outside of the water heater. The fan includes a fan case, an impeller housed within the fan case, and a drive source connected to the impeller.
Noritz Corporation
06/25/15
20150176843
 Combustion chamber patent thumbnailCombustion chamber
A double wall structured combustor having an outer wall having an inner surface and an outer surface and an inner wall comprising a plurality of tiles. Each tile has at least one interlocking member at a first wall and at least one interengaging member at a second wall.
Rolls-royce Plc
06/25/15
20150176842
 Method for operating a combustor for a gas turbine and combustor for a gas turbine patent thumbnailMethod for operating a combustor for a gas turbine and combustor for a gas turbine
The invention provides a new path of combustion technology for gas turbine operation with multifuel capability, low emissions of no and co and high thermal efficiency. Further to the present invention providing a method for operating a combustor for a gas turbine and a combustor for a gas turbine are disclosed.
Alstom Technology Ltd
06/25/15
20150176841
 Apparatus for mixing fuel in a gas turbine nozzle patent thumbnailApparatus for mixing fuel in a gas turbine nozzle
A fuel nozzle in a combustion turbine engine that includes: a fuel plenum defined between an circumferentially extending shroud and axially by a forward tube-sheet and an aft tube-sheet; and a mixing-tube that extends across the fuel plenum that defines a passageway connecting an inlet formed through the forward tube-sheet and an outlet formed through the aft tube-sheet, the mixing-tube comprising one or more fuel ports that fluidly communicate with the fuel plenum. The mixing-tube may include grooves on an outer surface, and be attached to the forward tube-sheet by a connection having a fail-safe leakage path..
General Electric Company
06/25/15
20150176840
 Burner patent thumbnailBurner
A burner comprises a nozzle main body (7) which is installed along a central axis of a throat (4) provided on a furnace wall (3) and comprises an inner nozzle (11) in which an auxiliary combustion air (24) flows and an outer nozzle (9) which is provided on an outer side and concentrically with the inner nozzle and in which a pulverized coal mixed flow (18) obtained by mixing a carrying medium with a pulverized coal flow, a wind box (5) for accommodating the nozzle main body, a secondary air regulator (8) accommodated in the wind box and provided at a tip portion of the nozzle main body, an auxiliary combustion air intake pipe (23) for introducing a combustion air as an auxiliary combustion air (22) into the inner nozzle from the wind box, a pulverized coal flow supply pipe (16) for introducing a pulverized coal mixed flow into the outer nozzle, and an oxygen-containing gas supply pipe (17) for supplying an oxygen-containing gas (19) to the pulverized coal mixed flow and raising the oxygen concentration in the pulverized coal mixed flow.. .
Ihi Corporation
06/25/15
20150176838

Inlet assembly


An inlet assembly for a burner includes a manifold having an inlet aperture and a coaxially aligned outlet aperture, the manifold having a nozzle bore extending along a longitudinal axis between the inlet aperture and the outlet aperture for conveying an effluent gas from an inlet pipe coupleable with the inlet aperture to the outlet aperture for delivery to a combustion chamber of the burner. A nozzle bore scraper is housed within the nozzle bore.
Edwards Limited
06/25/15
20150176682

Hybrid drive train for a motor vehicle


Hybrid drive train for a motor vehicle, comprising an internal combustion engine, an electric machine and a dual clutch transmission. The transmission has a dual clutch arrangement and a spur gear transmission arrangement with two part-transmissions.
Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg
06/25/15
20150176672

Holder for fastening a component on an internal combustion engine, a bearing bush for such a holder, and a fuel injection system


A bearing bush is for a holder, which is for fastening a component, particularly of a fuel distributor, to an add-on structure. The bearing bush has an inner bush part, which is made of a metallic material, and an outer bush part, which is made of a metallic material, and an elastically deformable damping element.
Robert Bosch Gmbh
06/25/15
20150176557

Torque transmission mechanism


A torque transmission mechanism, for a starter for an internal combustion engine, is adapted to transmit a starting torque from a starter motor to a crankshaft. The torque transmission mechanism comprises a ring gear that transmits the starting torque and a one-way clutch disposed between the ring gear and the crankshaft, this ring gear comprising a gear side portion to which the starting torque is transmitted from the starter motor via gear mesh, and a flange extending between the gear side portion and an inner ring of the one-way clutch.
Aktiebolaget Skf
06/25/15
20150176555

Flow control system


A flow control system for a fuel injector for an internal combustion engine is provided and includes an inlet port, an outlet, a return port, a 2-way control valve including a control valve member, a shuttle valve and a main valve. The control valve includes a first seat, a first resilient arrangement configured to force the control valve member towards the seat so as to close the control valve, and a first abutment that limits the lift of the control valve member away from the first seat.
Volvo Lastvagnar Ab
06/25/15
20150176554

Controlled nozzle injection method and apparatus


A nozzle injection apparatus for use in internal combustion engines includes a fuel pump for intermittently pressurizing fuel, an injection conduit in fluid communication with the fuel pump, the injection conduit permitting the pressurized fuel to be communicated to a fuel injection nozzle a control valve in fluid communication with the nozzle, wherein the control valve dynamically and selectively controls a pressure of said pressurized fuel within the injection conduit.. .
Governors America Corp.
06/25/15
20150176553

Fuel injector


A fuel injector, particularly for injecting fuel into a combustion chamber, is provided as including a housing having at least one spray orifice, an armature assembly that is movable linearly in the housing, along a longitudinal axis, a magnetic coil acting magnetically on the armature assembly, a valve element that is movable linearly with respect to the armature assembly and with respect to the housing, for opening and closing the spray orifice, and a pin for limiting the movement of the valve element with respect to the armature assembly.. .
Robert Bosch Gmbh
06/25/15
20150176548

Mixing valve for an internal combustion engine of a motor vehicle


In a mixing valve for an internal combustion engine of a motor vehicle, the distance between pivot axes of two flaps is smaller than the diameter of the largest flap. The flaps are also connected to a single drive device.
Continental Automotive Gmbh
06/25/15
20150176535

Control apparatus of engine having turbocharger and method thereof


A control apparatus of an engine having a turbocharger may include the engine generating power by combustion of a fuel, the turbocharger including a turbine operated by exhaust gas of the engine and a compressor connected to the turbine by a rotating shaft, and thus supercharging air to a combustion chamber provided in the engine by the compressor, a detecting sensor detecting pre-ignition in the combustion chamber of the engine, and a controller controlling supercharging pressure supplied to the combustion chamber by using a required torque, ignition timing of the combustion chamber, and an air-fuel ratio, and thus controlling the pre-ignition in the combustion chamber, when the pre-ignition in the combustion chamber may be detected by the detecting sensor.. .
Hyundai Motor Company
06/25/15
20150176534

System and controlling a flow of vent gases to a natural gas engine


A system and method controls a flow of vent gases to a combustion engine. The system includes an inlet for receiving the vent gases, a pressure relief device that enables the vent gases to escape to atmosphere when a pressure in the inlet exceeds a predetermined relief pressure, a flow-restricting orifice, and a back pressure regulator disposed downstream of the orifice.
Rem Technology Inc.
06/25/15
20150176526

Semi-isothermal compression engines with separate combustors and expanders, and associated systems and methods


Engine systems and associated methods, including systems with semi-isothermal compression devices are disclosed. An engine system in accordance with a particular embodiment includes a compressor having a compressor inlet and outlet, a combustor having a combustor inlet coupled to the compressor outlet and further having a combustor outlet, a positive displacement expander having an expander inlet coupled to the combustor outlet, and further having an expander outlet and a work output device.
Bright Energy Storage Technologies, Llp
06/25/15
20150176524

Piston for an internal combustion engine


The present invention relates to a piston (10, 110) for an internal combustion engine having a piston head (13, 113) and a piston skirt (14, 114), the piston (10, 110) comprising a piston base (11, 111) and a piston ring element (12, 112). The invention is characterized in that the piston base (11, 111) has a combustion recess (21, 121) which is radially offset and/or tilted relative to the center axis (m) of the piston (10, 110), a portion (19a) of a piston crown and the piston skirt (14, 114), in that the piston ring element (12, 112) has a portion (19b) of a piston crown, a circumferential fire land (22, 122) and a circumferential ring section (23, 123) with ring grooves, in that the piston base (11, 111) and the piston ring element (12, 112) form a circumferential cooling channel (24, 124) that extends between an outer lateral surface (25, 125) in the region of the combustion recess (21, 121) and an inner lateral surface (26, 126) in the region of the ring section (23, 123), in that the piston base (11, 111) and the piston ring element (12, 112) have a circumferential seam (28, 128) in the region of the piston crown (19a, 19b), via which they are non-detachably connected to one another..
Mahle International Gmbh
06/25/15
20150176523

Method for producing a piston


The invention relates to a method for producing a piston (1) for an internal combustion engine, characterised by the following method steps: producing an upper piston part (2) and a lower piston part (3) having one or more recesses (4, 4′) for forming a closed cavity (5); introducing a heat transfer medium (6), in particular one or more alkali metals, that is solid or paste-like at ambient temperature and liquid at the intended operating temperature of the piston, into the recesses (4, 4′) of the lower piston part (3) and/or of the upper piston part (2), wherein the heat transfer medium (6) is provided in order, during the operative state of the piston (1), to effect heat transport within the piston (1) by convection; closing the recesses to form the closed cavity (5) which encloses the heat transfer medium (6); and connecting the upper piston part (2) to the lower piston part (3). This enables the piston (1) to be produced in a simplified manner..
Mahle International Gmbh
06/25/15
20150176522

Piston for internal combustion engines


A piston of an internal combustion engine, includes a piston upper part and a piston lower part which are supported via corresponding joining webs, in each case forming a joining zone connected in a material-to-material manner by means of a multi-orbital rotary friction weld. The joining webs and which are in each case directly connected have a wall thickness s1, s2 which is identical as far as possible.
Ks Kolbenschmidt Gmbh
06/25/15
20150176521

Method and cooling a cylinder head


A water jacket for a cylinder head of an internal combustion engine includes a coolant chamber arranged to permit the flow of coolant within the water jacket and a coolant conduit positioned to permit the flow of coolant proximate to a recess for receiving an exhaust valve mounted to the cylinder head. The coolant conduit is in fluid communication with the coolant chamber, and the coolant conduit is shaped as a complex curve.
Ricardo Uk Limited
06/25/15
20150176520

Spark plug


A spark plug may include a shell surrounding a lower part of an insulator. The shell may be provided with a tool engaging portion, a seal face configured to contact a corresponding seal of a cylinder head of an internal combustion engine, a cylinder engaging threaded portion having a thread diameter (d) configured to screw the spark plug in a threaded bore of the cylinder head, and an intermediate portion extending between the shoulder and the cylinder engaging threaded portion.
Caterpillar Energy Solutions Gmbh
06/25/15
20150176518

Cylinder for application on an internal combustion engine


A cylinder for an internal combustion engine may include a metallic cylinder body and an amorphous diamond-like hard carbon film disposed on an internal peripheral surface of the cylinder body. The amorphous diamond-like carbon film may include a roughness ranging from rz 0.5 μm to rz 4.0 μm..
Mahle International Gmbh
06/25/15
20150176514

Exhaust gas control internal combustion engine


A three-way catalyst and an nox adsorption catalyst are disposed in an engine exhaust passage. In a predetermined low-load engine operation area, combustion in a combustion chamber is carried out at a lean base air-fuel ratio and an air-fuel ratio in the combustion chamber is changed to a rich range at the time of discharging nox from the nox adsorption catalyst.
Toyota Jidosha Kabushiki Kaisha
06/25/15
20150176513

Control of internal combustion engines in response to exhaust gas recirculation system conditions


A system includes an internal combustion engine having a number of cylinders, with at least one of the cylinder(s) being a primary egr cylinder that is dedicated to provided egr flow during at least some operating conditions. A controller is structured to control combustion conditions in the cylinders in response to one or more operating conditions associated with the engine..
Cummins Inc.
06/25/15
20150176511

Apparatus for controlling the learning of the air fuel ratio of an internal combustion engine


If an amount of fuel is not increased and a direct injection air-fuel ratio learning has not been completed, fuel injection from a port fuel injection valve is stopped without executing egr, fuel injection control is executed such that the fuel injection occurs only from an in-cylinder fuel injection valve, and the direct injection air-fuel ratio learning is executed. If the amount of the fuel is increased, the fuel injection from the port fuel injection valve is stopped without executing egr and air-fuel ratio feedback control, and an engine and an egr valve are controlled such that fuel injection occurs only from the in-cylinder fuel injection valve..
Toyota Jidosha Kabushiki Kaisha
06/25/15
20150176507

Actuator mounting structure for internal-combustion engine having variable compression ratio


An actuator mounting structure of a variable compression ratio internal combustion engine includes: a variable compression ratio mechanism arranged to vary an engine compression ratio in accordance with a rotational position of a control shaft; an actuator arranged to drivingly rotate the control shaft, the actuator being fixed on an actuator mounting portion provided to a side wall of a main body of the engine by using a plurality of fixing bolts, and a rigidity improvement section arranged to improve a mounting rigidity of the actuator to the actuator mounting portion, and which is provided within an inter-bolt distance between two bolts of the plurality of the fixing bolts, which are located on the both sides in a direction of a crank shaft.. .
Nissan Motor Co., Ltd.
06/25/15
20150176506

Internal combustion engine


An internal combustion engine equipped with: a cylinder block in the interior of which pistons are arranged; a cylinder head containing recessed parts; cylinder liners affixed to the surfaces of hole parts of the cylinder block; and a variable compression ratio mechanism that changes the mechanical compression ratio. The variable compression ratio mechanism is formed such that the size of the combustion chamber can be changed by moving the cylinder head relative to the cylinder block.
Toyota Jidosha Kabushiki Kaisha
06/25/15
20150176503

Integrated engine control apparatus and operating same


Engine control assemblies for use with internal combustion engines, engines having such assemblies, and methods for operating such engines and assemblies are disclosed. In one example embodiment of an engine control assembly encompassed herein, the assembly includes a lever structure configured to rotate to any of a plurality of positions ranging from a first position to a second position.
Kohler Co.
06/25/15
20150176487

Carbon-free low-nox liquid fuel oxygen transport rector for industrial water tube boilers


An oxygen transport reactor for boiler furnaces and gas turbine combustors that utilizes a liquid fuel that is oxidized as a gaseous fuel in a membrane reactor. A liquid fuel is introduced by vaporizing the fuel inside a porous pipe surrounded by an annulus reaction zone which is surrounded by an annulus air zone.
King Fahd University Of Petroleum And Minerals
06/25/15
20150176483

Variable compression ratio device for internal combustion engine


A variable compression ratio device for an internal combustion engine includes: a connecting rod, having a small end and a large end, wherein a support hole formed at the small end is pivotally supported by a support shaft of a piston that reciprocates in a cylinder, and a support hole formed at the large end is pivotally supported by a support shaft of a crankshaft; an eccentric sleeve that is rotatably installed between the support hole of the small end or the support hole of the large end and the support shaft, and displaces a center axis of the support hole of the small end or a center axis of the support hole of the large end with respect to a center axis the support shaft; and an actuator that drives and rotates the eccentric sleeve.. .
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
06/25/15
20150176480

System and methods for engine air path condensation management


A system and methods for routing condensate collected in a heat exchanger reservoir to either a combustion chamber of an engine or a position in the engine exhaust based on the type of contaminate in the condensate and operating parameters of the engine or the catalyst are described. In one particular example, the method includes accumulating a portion of compressed air in an accumulator, and when an engine output is below a predetermined amount, coupling a part of the accumulated air with the condensate through a passage into the combustion chamber.
Ford Global Technologies, Llc
06/25/15
20150176476

System for charge air cooling and associated providing charge air cooling for an internal combustion engine


The invention relates to a system for charge air cooling for an internal combustion engine based on an engine family, wherein an intake module is arranged between a throttle valve and a combustion chamber. A first cooling device of the system is shaped to be structurally integrated into the intake module.
Behr Gmbh & Co. Kg
06/25/15
20150176475

Uniflow-scavenging-type two-cycle engine


A uniflow-scavenging-type two-cycle engine includes: a cylinder; a piston that slides in the cylinder; an exhaust port that is provided at a first end of the cylinder; an exhaust valve that opens and closes the exhaust port; a scavenging port that is provided in an inner circumferential surface of a second end of the cylinder in the stroke direction of the piston and inhales an active gas into a combustion chamber in accordance with a sliding movement of the piston; a plurality of fuel injection valves that inject a fuel gas to the active gas, which has been drawn in from the scavenging port to the combustion chamber, to thereby generate a premixed gas; and a fuel injection control unit that varies injection directions of fuel gas injected from a part or all of the fuel injection valves.. .
Ihi Corporation
06/25/15
20150176474

Method and achieving high power flame jets while reducing quenching and autoignition in prechamber spark plugs for gas engines


A prechamber spark plug may have a prechamber having a pre-determined aspect ratio and hole pattern to achieve particular combustion performance characteristics. The aspect ratio and hole pattern may induce a rotational flow of fuel-air in-filling streams inside the prechamber volume.
Prometheus Applied Technologies, Llc
06/25/15
20150176472

Method of controlling temperature


A method of controlling the temperature of an engine of a vehicle, such as an internal combustion engine and/or the temperature of one or more auxiliary components of the vehicle, such as a cabin heater for the vehicle includes monitoring one or more parameters of the engine including the temperature of the engine. Optionally data relating to the temperature of the engine is feedback to a control unit.
Jaguar Land Rover Limited
06/25/15
20150176466

System for recycling exhaust heat from internal combustion engine


A system for recycling exhaust heat from an internal combustion engine is based on a recycling type of circulating a working fluid using the exhaust heat from the internal combustion engine. The system may include an egr line configured to circulate a portion of exhaust gas generated from the internal combustion engine to an intake side, a working fluid circulation line configured to rotate a turbine with a working fluid vaporized by heat transferred from the egr line, and an egr side heat exchange unit configured to thermally connect the egr line to the working fluid circulation line to cool an egr gas by transferring heat from the egr gas to the working fluid..
Hyundai Motor Company
06/25/15
20150176465

System of recycling exhaust heat from internal combustion engine


A system of recycling exhaust heat from an internal combustion engine may include a working fluid circulating line configured to rotate a turbine with a working fluid vaporized by heat received from an egr line of the internal combustion engine, an egr side heat exchanging unit configured to perform a heat exchange between an egr gas and the working fluid to thereby cool the egr gas and transfer heat from the egr gas to the working fluid, and a gas-liquid separator configured to be formed between the egr side heat exchanging unit and the turbine to thereby supply only a gas component of the working fluid to the turbine.. .
Hyundai Motor Company
06/25/15
20150176458

Method and system for purifying nox in internal combustion engine


In a method for purifying nox in an internal combustion engine, a catalyst of a nitrogen oxide purification device is regenerated by control of an air-fuel ratio (lean→rich) through one or more control of an engine fuel injection device (10-1), a throttle valve (10-2), and an egr valve (10-3) in an intermediate/high-load operating condition. On the other hand, a nitrogen oxide purification catalyst is regenerated through a chemical reaction between nitrogen oxides and hydrocarbon generated during the injection of fuel in a secondary fuel injection device in a low-load operating condition.
Hyundai Motor Company
06/25/15
20150176450

Method for operating an exhaust gas system of a motor vehicle, and exhaust gas system for an internal combustion engine of a motor vehicle


A method for operating an exhaust gas system of a motor vehicle involves performing regeneration of the particle filter as a function of at least one aging value characterizing an aging condition of the oxidation catalytic converter.. .
Daimler Ag
06/25/15
20150176449

Burner with air-assisted fuel nozzle and vaporizing ignition system


An exhaust aftertreatment system includes a burner in heat transfer relation with exhaust gas in an exhaust gas passageway. The burner includes a housing assembly and a nozzle assembly, the housing assembly at least partially defining a combustion chamber.
Tenneco Automotive Operating Company Inc.
06/25/15
20150176446

Turbocharger lubricant coolant


A turbocharger for an internal combustion engine comprising a housing wherein the housing comprises one or more coolant passages for receiving a coolant to cool the turbocharger and one or more lubricant passages for receiving a lubricant to lubricate the bearings. The lubricant may be the lubricant for both the turbocharger bearings and the internal combustion engine.
Ford Global Technologies, Llc
06/25/15
20150176444

Control apparatus of engine having variable valve lift apparatus and a method thereof


A control apparatus of an engine may include a variable valve lift apparatus, an engine including a plurality of cylinders generating power by combustion of fuel, at least one intake valve and at least one exhaust valve for opening and closing the cylinder, a variable valve lift apparatus adjusting a valve lift of the intake valve and exhaust valve, and a controller driving the intake valve in a low lift mode by using the variable valve lift apparatus and closing the exhaust valve when one of the cylinders among the plurality of cylinders may be deactivated.. .
Hyundai Motor Company
06/25/15
20150176443

Chain-based transfer device


A transfer device is provided with variable rotation angle having an internally toothed ring gear, an externally toothed sun gear, a transmitter element and an adjustable actuation device, wherein the transmitter element comprises a circumferential engagement device arranged between the ring gear and sun gear. The actuation device comprises an activation element that can be moved along the engagement device for rotation angle adjustment.
Iwis Motorsysteme Gmbh & Co. Kg
06/25/15
20150176439

Method for operating an internal combustion engine with electrohydraulic valve control means


A method for operating an internal combustion engine (4) with an electrohydraulic valve train (1) for variable-lift drive of a gas exchange valve (3), including a camshaft (6) and a hydraulic system arranged in a drive path between the camshaft and the gas exchange valve, said hydraulic system being connected to a pressure medium supply (14) of the internal combustion engine, a first hydraulic piston (8) which is driven by a cam (5) of the camshaft and a second hydraulic piston (9) which drives the gas exchange valve in an opening direction, a variable-volume pressure chamber (10) which is delimited by the hydraulic piston and a control channel (12) which connects the pressure chamber to a pressure relief chamber (11), an electrically actuated hydraulic valve (15) which is arranged in the control channel and which, in an open position, permits a flow of hydraulic medium through the control channel and, in a closed position, blocks a flow of hydraulic medium through the control channel, and an electronic controller (16) for the actuation of the hydraulic valve as a function of operating parameters of the internal combustion engine. To improve the cold-start behavior of the internal combustion engine, it is provided that, during the starting phase, the hydraulic valve is closed and opened again at least once between two immediately successive lifts of the first hydraulic piston..
Schaeffler Technologies Gmbh & Co. Kg
06/25/15
20150176438

Cam follower for the valve gear of an internal combustion engine


For a cam follower for the valve drive of an internal combustion engine, including a housing in the form of a lever body (2) and a cam roller (6) arranged between two parallel lever walls (3, 4) of the housing (2), wherein the cam roller includes an outer ring (7) and an inner ring (8) arranged therein, and is mounted on a bolt (5) retained on the lever cheeks (3, 4), the invention proposes that inwards extending guidance sections (9, 10) are formed on the lever body (2) for the axial positioning of the outer ring (7) and for the guidance thereof in the circumferential direction.. .
Schaeffler Technologies Gmbh & Co. Kg
06/25/15
20150176434

Washer of a combustion chamber tile of a gas turbine


A washer of a combustion chamber tile of a gas turbine having a round disk-shaped basic body provided with a central recess and a flat contact surface arranged on a first side of the washer, wherein several groove-like air ducts are provided on a second side that extend from a circumferential rim of the washer radially relative to the center axis of the washer, and in the center area of the washer in the axial direction.. .
Rolls-royce Deutschland Ltd & Co Kg
06/25/15
20150176413

Snubber configurations for turbine rotor blades


A rotor blade for use in a turbine of a combustion turbine engine. The rotor blade may include an airfoil having a concave pressure sidewall and a convex suction sidewall extending axially between corresponding leading and trailing edges and radially between the root and an outboard tip.
General Electric Company
06/25/15
20150176271

Modular fire prevention flooring


A modular fire prevention flooring system includes a plurality of fire prevention flooring planks. Each plank is generally tubular and forms a drain channel.
Fireless Flooring, Llc


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