Patent application number | Description | Published |
20110283682 | SYSTEM AND METHOD FOR REGENERATING A PARTICULATE FILTER - Various methods and systems are provided for a vehicle with an engine. In one example, a method includes identifying an approaching tunnel. The method further includes, responsive to a particulate load of a particulate filter, the particulate filter disposed in an exhaust treatment system of an engine of the vehicle, initiating regeneration of the particulate filter at a selected distance before the tunnel such that regeneration is performed before the vehicle enters the tunnel. | 11-24-2011 |
20120323465 | METHODS AND SYSTEMS FOR EXHAUST GAS RECIRCULATION COOLER REGENERATION - Various methods and systems are provided for regenerating an exhaust gas recirculation cooler. One example method includes, initiating an EGR cooler regeneration mode, wherein the EGR cooler regeneration mode comprises changing a fuel distribution of a donor cylinder group relative to a non-donor cylinder group of an engine, and increasing at least one of engine speed or load of the engine. | 12-20-2012 |
20130013174 | METHODS AND SYSTEMS FOR COMMON RAIL FUEL SYSTEM MAINTENANCE HEALTH DIAGNOSTIC - Dynamic health assessment systems and methods related to monitoring fuel flow control are provided. In one embodiment, a method for controlling a system having an engine is provided. The method includes during a no-load condition of the engine, stopping fuel injection by a plurality of fuel injectors of the engine, closing a valve that is operable to control fuel flow to a fuel pump that pumps fuel to a common fuel rail, and setting a degradation condition in response to a fuel rail pressure decay rate of a fuel pressure in the common fuel rail being greater than a decay threshold after a first designated duration. | 01-10-2013 |
20130024086 | METHOD AND SYSTEM FOR CONTROLLING AN ENGINE DURING TUNNELING OPERATION - Various methods and systems are provided for an engine in a vehicle, the engine having an intake and an exhaust. In one example, a method includes determining the vehicle is under tunneling operation in response to one or more of an intake gas constituent and an exhaust gas constituent. The method further comprises adjusting one or more operating parameters in response to the determination of tunneling operation. | 01-24-2013 |
20130073139 | METHODS AND SYSTEMS FOR CONTROLLING ENGINE OPERATION THROUGH DATA-SHARING AMONG VEHICLES - Various embodiments of methods and system are provided for enhancing engine operation through data-sharing among vehicles. In one embodiment, a method includes determining whether a first value of an operating parameter indicative of an ambient environmental condition produced by a first vehicle is corrupted or unavailable, receiving a second value of the operating parameter that is indicative of the ambient environmental condition produced by a second vehicle that is proximate to the first vehicle, and in response to determining that the first value is corrupted or unavailable, controlling operation of an engine of the first vehicle based on the second value of the operating parameter. | 03-21-2013 |
20140033705 | SYSTEMS AND METHODS FOR CONTROLLING EXHAUST GAS RECIRCULATION - Various systems and method for controlling exhaust gas recirculation (EGR) in an internal combustion engine are provided. In one embodiment, a method includes during a first operating condition, directing exhaust gas from a first cylinder group into an engine air intake stream and directing substantially no exhaust gas from a second cylinder group to the engine air intake stream. The method further includes during a second operating condition, directing exhaust gas from the second cylinder group through a turbocharger bypass into the engine air intake stream and reducing a fuel injection amount of the first cylinder group relative to a fuel injection amount of the second cylinder group. | 02-06-2014 |
20140034014 | SYSTEMS AND METHODS FOR CONTROLLING EXHAUST GAS RECIRCULATION - Various systems and method for controlling exhaust gas recirculation (EGR) in an internal combustion engine are provided. In one embodiment, a method includes injecting fuel to a subset of cylinders that includes less than all cylinders of a first cylinder group to obtain a target EGR rate. The first cylinder group provides exhaust gas through an exhaust gas recirculation (EGR) passage structure fluidly coupled between the first cylinder group and an intake passage structure. The method further includes injecting fuel to at least one cylinder of a second cylinder group. The second cylinder group provides substantially no exhaust gas through the EGR passage structure. | 02-06-2014 |
20140041384 | METHODS AND SYSTEM FOR CONTROLLING SURGE IN A TWO-STAGE TURBOCHARGER - Various methods and systems are provided for controlling air flow in a two-stage turbocharger. In one example, an engine method comprises adjusting one or more exhaust gas recirculation valves to maintain a first turbocharger within a first air flow range, and adjusting a turbocharger bypass valve to maintain a second turbocharger within a second air flow range. | 02-13-2014 |
20140047834 | METHODS AND SYSTEM FOR CONTROL OF A TWO-STAGE TURBOCHARGER - Various methods and systems are provided for regulating air flow through a two-stage turbocharger. In one embodiment, a method for an engine comprises, in response to a transient engine operating event, adjusting a provided amount of exhaust gas recirculation provided to an intake of the engine based on at least one of desired intake oxygen, one or more turbocharger conditions of a turbocharger, or a magnitude of the transient engine operating event. | 02-20-2014 |
20140067228 | METHODS AND SYSTEM FOR ENGINE OPERATION DURING DEGRADATION OF A TWO-STAGE TURBOCHARGER - Various methods and systems are provided for engine operation with a degraded turbocharger. In one embodiment, a method for an engine comprises reducing mass flow through a first turbocharger while continuing engine operation and adjusting operation of a second turbocharger in response to detected degradation of the first turbocharger. | 03-06-2014 |
20140067236 | METHODS AND SYSTEM TO PREVENT EXHAUST OVERHEATING - Various methods and systems are provided for lowering exhaust gas temperature. In one embodiment, a method comprises increasing an air-to-fuel ratio of an engine in response to an exhaust gas temperature exceeding a threshold temperature value to lower the exhaust gas temperature to a temperature below the threshold temperature value. | 03-06-2014 |
20140208739 | METHOD AND SYSTEM FOR EGR CONTROL FOR AMBIENT CONDITIONS - Various methods and systems are provided for adjusting a flow of exhaust gas in an exhaust gas recirculation system. In one embodiment, a method for an engine comprises controlling a flow of exhaust gas through an exhaust gas recirculation system of an engine system based on a choke level of a turbocharger. For example, the flow of exhaust gas in the exhaust gas recirculation system may be reduced to within a threshold of a choke level of the turbocharger, in response to an ambient condition. | 07-31-2014 |
20140214304 | METHODS FOR INTENTIONAL TURBO SURGING FOR ENHANCED SYSTEM CONTROL AND PROTECTIONS - Various methods and systems are provided for determining a surge level of a compressor. In one embodiment, a method for an engine comprises updating a stored estimate of a surge level of a compressor responsive to detection of a surge event. | 07-31-2014 |
20140290631 | METHOD FOR LOCAL BOILING PROTECTION OF A HEAT EXCHANGER - Various methods and systems are provided for estimating a wall temperature in a heat exchanger and reducing the risk of boiling on a coolant side of the heat exchanger. In one embodiment, a method for an engine comprises estimating a wall temperature at a location in a heat exchanger and adjusting an engine operating parameter of an engine coupled to the heat exchanger based on the wall temperature. | 10-02-2014 |
20140330504 | METHOD AND SYSTEMS FOR ENGINE FUEL INJECTION CONTROL - Various methods and systems are provided for indexing an injector map and subsequently controlling fuel injection to an engine. In one embodiment, a non-transitory computer readable storage medium with memory comprises fuel injector activation data indexed in the memory according to an input parameter, instructions for determining a modified pressure value based on a determined pressure and a modified pressure function, and instructions for generating a fuel injector activation output by interpolating among the indexed fuel injector activation data with the modified pressure value as the input parameter. | 11-06-2014 |
20150134156 | METHODS AND SYSTEMS FOR CONTROLLING ENGINE OPERATION THROUGH DATA-SHARING AMONG VEHICLES - Various embodiments of methods and systems are provided for enhancing engine operation through data-sharing among vehicles. In one embodiment, a method includes determining whether a first value of a first operating parameter produced by a first vehicle is corrupted or unavailable; receiving a second value of the first operating parameter produced by a second vehicle that is proximate to the first vehicle; adjusting the second value by a first adjustment factor, the first adjustment factor based on a first value of a global positioning system (GPS) position of the first vehicle produced by the first vehicle and a second value of a GPS position of the second vehicle produced by the second vehicle; and in response to determining that the first value is corrupted or unavailable, controlling operation of an engine of the first vehicle based on the adjusted second value of the first operating parameter. | 05-14-2015 |
Patent application number | Description | Published |
20120080010 | METHOD AND SYSTEM FOR A COMMON RAIL FUEL SYSTEM - In one embodiment, a common rail fuel system for an engine of a vehicle, such as a locomotive, comprises a higher-pressure fuel sub-system and a lower-pressure fuel sub-system, wherein a pressure limiting valve, is in fluid communication with to the higher-pressure fuel sub-system to relieve excess pressure. In a condition where pressure of the higher-pressure fuel sub-system is below a desired and expected threshold, it is possible that the pressure limiting valve is open. An example method is provided to close the pressure limiting valve and determine if opening of the pressure limiting valve is the cause of the pressure being below the threshold or if a leak is present in the common rail fuel system. In this manner, unnecessary disabling of the engine is avoided and, if a leak is present, the leaking sub-system is identified. | 04-05-2012 |
20120089314 | SYSTEM AND METHOD FOR DETERMINING COMPRESSION DEVICE DEGRADATION - Systems and methods for determining compression device degradation of an engine of a rail vehicle are provided. In one embodiment, a rail vehicle system includes an engine, an air-intake passage coupled to the engine, a compression device including a compressor positioned along the air-intake passage, a barometric air pressure sensor for measuring a barometric air pressure upstream of the compressor, a manifold air pressure sensor for measuring a manifold air pressure downstream of the compressor, and a controller configured to adjust a rail vehicle operating parameter responsive to a determination of compression device degradation based on a negative pressure differential between the manifold air pressure and the barometric air pressure during a designated operating condition. | 04-12-2012 |
20150089940 | SYSTEM AND METHOD FOR ENGINE CONTROL - A method for controlling an engine includes the steps of, in response to a transient operating event, determining a first amount of exhaust gas recirculation (EGR) that if provided to an intake of the engine would avoid turbocharger compressor surge in a turbocharger, determining a second amount of EGR that if provided to the intake would avoid turbocharger compressor choke in the turbocharger, and determining a third amount of EGR that if provided to the intake would avoid engine smoking, and adjusting EGR provided to the intake of the engine in accordance with the determined first, second, and third amounts. | 04-02-2015 |
Patent application number | Description | Published |
20090013687 | SYSTEM AND METHOD FOR MONITORING OPERATION OF A TURBOCHARGED ENGINE - A method and system for monitoring the operation of a multicylinder, turbocharged reciprocating engine with an onboard controller includes monitoring one or more operating parameters predictive of the turbocharger's output, and generating a parametric output signal corresponding to the value of the sampled operating parameter. Actual mass flow is determined with a flow detection system, and then the charge air mass flow is compared with a predetermined flow rate corresponding to the monitored operating parameter, such as turbocharger speed or turbocharger pressure ratio. A charge air condition flag is set if the actual charge air flow rate is less than a predetermined flow rate based upon the parametric output signal. | 01-15-2009 |
20090024295 | SYSTEM AND METHOD FOR REMOTELY MONITORING A TURBOCHARGED ENGINE - A method and system for remotely monitoring the operation of a multicylinder, turbocharged reciprocating engine includes monitoring one or more operating parameters predictive of the turbocharger's output, and generating a parametric output signal corresponding to the value of the sampled operating parameter. The parametric output signal is transmitted via telemetry to a remote diagnostic center, where actual mass flow is determined with a flow detection system, and then the charge air mass flow is compared with a predetermined flow rate corresponding to the monitored operating parameter, such as turbocharger speed or turbocharger pressure ratio. A condition flag is set if the actual charge air flow rate is less than a predetermined flow rate based upon the parametric output signal. | 01-22-2009 |
20130283766 | ENGINE UTILIZING A PLURALITY OF CONTROL VALVES, AND A RELATED METHOD THEREOF - In accordance with the embodiments of the present invention, an engine is disclosed. The engine includes at least one donor cylinder and at least one non-donor cylinder coupled to an intake manifold feeding intake air and an exhaust manifold. The exhaust manifold is configured to carry an engine exhaust emission from the donor cylinder and the non-donor cylinder. The engine also includes an exhaust gas recirculation manifold extending from the donor cylinder to the intake manifold for recirculating a donor cylinder exhaust emission from the donor cylinder to the donor, and non-donor cylinders via the intake manifold. The engine further includes an after-treatment system and a sensor configured to sense a temperature of the engine exhaust emission and a device configured to receive a sensing signal from the sensor and to control a parameter of the engine and a component of the engine in response to the sensing signal. | 10-31-2013 |
20160069286 | METHOD AND SYSTEMS FOR EGR CONTROL - Various methods and systems are provided for controlling exhaust gas recirculation in an engine. One embodiment for a system comprises an engine having first and second cylinder groups, and an exhaust gas recirculation (EGR) passage coupled between the first cylinder group and an intake manifold of the engine, flow of EGR through the EGR passage controlled by one or more EGR exhaust valves, and a controller configured to maintain a target intake gas concentration by adjusting the one or more EGR exhaust valves and adjusting fuel injection amounts to the first cylinder group differently than the second cylinder group. | 03-10-2016 |
20160084181 | METHOD AND SYSTEMS FOR EGR CONTROL - Various methods and systems are provided for estimating fresh intake air flow. In one example, a system comprises an engine having an intake manifold to receive fresh intake air and an exhaust gas recirculation (EGR) system to supply EGR to the intake manifold, where flow of EGR through the EGR system is controlled by one or more exhaust valves. The system further includes a controller configured to adjust a position of the one or more exhaust valves based on an estimated fresh intake air flow rate, where during a first set of operating conditions, the fresh intake air flow rate is estimated based on a total gas flow rate into the engine and further based on a current position of the one or more exhaust valves, intake manifold pressure, air-fuel ratio, and fuel flow to one or more cylinders of the engine. | 03-24-2016 |
20160097318 | METHOD AND SYSTEMS FOR ADJUSTING A TURBINE BYPASS VALVE - Various methods and systems are provided for adjusting a turbine boost control actuator based on a single common reference value. In one example, a method for an engine includes adjusting a turbine boost control actuator to control an intake manifold pressure to a limit, the limit based at least in part on one or more of peak cylinder pressure, turbine speed, and a pressure difference across a turbine. | 04-07-2016 |
Patent application number | Description | Published |
20110020074 | CUTTING INSERTS - A cutting insert for use in a chipforming material removal operation that includes a cutting insert body, which has a seating surface, a flank face, and a corner cutting region at the intersection of a peripheral edge and the flank adjacent corresponding corners thereof. The cutting insert body contains a central aperture. The seating surface contains a coolant delivery trough, which has a radial orientation toward a corresponding corner cutting region. The coolant delivery trough has a radial outward end terminating at the peripheral edge and a radial inward end opening into the central aperture. There are a pair of lateral topographic regions wherein the one lateral topographic region is along one side of the coolant delivery trough and the other lateral topographic region is along other side of the coolant delivery trough. | 01-27-2011 |
20110164934 | ROUND CUTTING INSERT WITH ASYMMETRIC CHIPBREAKER FEATURE - A round cutting insert includes a top surface, a clearance side surface and a bottom surface. The top surface includes an asymmetric chipbreaker feature adjacent a cutting edge that includes a finishing portion, a roughing portion, and a transition portion. The asymmetric chipbreaker feature includes a first rake face extending from the cutting edge, a second rake face between a bottom face and the first rake face, and a back face between a central island and the bottom face. The second rake face and the back face are sinusoidal waveforms with different periods to cause the distances from the cutting edge to the second rake face and back face to vary. The first and second rake faces are formed at different rake angles to provide effective chip control during machining operations. | 07-07-2011 |
20120230780 | CUTTING ASSEMBLY - A toolholder has a head region, which contains a slot separating the head region into a lower section and an upper section, with a lower seat and an upper section to retain a cutting insert. The head region contains a coolant entrance passage, which receives coolant from a coolant source, and a coolant delivery passage, which discharges coolant toward a cutting insert. The head region further contains a fastener bore, which receives a fastener. The fastener has an axial fastener bore which provides fluid communication between the coolant entrance passage and a coolant reservoir between the fastener and the fastener bore. The coolant delivery passage communicates with the coolant reservoir to receive coolant, which passed from the coolant entrance passage and through the axial fastener bore into the coolant reservoir. | 09-13-2012 |
20130078043 | CUTTING INSERT ASSEMBLY AND COMPONENTS THEREOF - A cutting assembly useful for the chipforming removal of material from a workpiece at the cutting insert-workpiece interface. The cutting assembly has a holder with a coolant passage and a seat. As one option, a stud extends away from the seat and facilitates coolant flow to an insert locking cap, which attaches to the stud. The insert locking cap directs coolant flow toward the cutting insert-workpiece interface. As another option, a diverter plate has a bottom surface with a bowl and an arcuate forward surface with one or more openings. Coolant flows from the coolant passage into the bowl then exits through at least one opening in the arcuate forward surface towards the cutting insert-workpiece interface. | 03-28-2013 |
20140369772 | CUTTING TOOL ASSEMBLY HAVING CLAMP ASSEMBLY COMPRISING A CLAMP AND A COOLANT PLATE - A clamp assembly to secure a cutting insert to a holder that includes a clamp that has a distal end and a clamp projection depending from the distal end of the clamp. There is a coolant plate that has a top plate surface and a bottom plate surface wherein the top plate surface contains a recess that receives the clamp projection upon assembly of the clamp and the coolant plate. The bottom plate surface contains a bowl having an open bowl end wherein in operation the bowl directs coolant through the open bowl end toward the cutting insert. The assembly has a positioner extending between the clamp and the coolant plate so as to maintain a position of the clamp relative to the coolant plate upon the assembly of the clamp and the coolant plate. | 12-18-2014 |
Patent application number | Description | Published |
20150023744 | CUTTING INSERT WITH CHIP DIVIDERS - A cutting insert includes a polygonal body having an upper chip surface, a bottom surface and peripheral side surfaces extending between the upper chip surface and the bottom surface, the peripheral side surfaces intersecting the upper chip surface to form cutting edges therewith. A plurality of chip dividers are spaced apart about a perimeter of the upper chip surface to divide the chips produced by the cutting edges, each chip divider including a leading chip dividing portion adjacent to the cutting edge and extending generally upwardly from the cutting edge, the leading chip dividing portion having an elongated, rounded face. Adjacent chip dividers define a pocket such that the pockets are configured for promoting curling of chips produced by the cutting edges. | 01-22-2015 |
20150063926 | INDEXABLE CUTTING INSERT WITH COOLANT DELIVERY - An indexable cutting insert includes a rake face, a flank surface, a bottom surface, and a central aperture defined by an aperture side wall. The indexable cutting insert further has a mouth defined by a mouth surface. There is a primary coolant trough that has an aperture section in the side wall contained in the aperture side wall, a mouth section contained in the mouth surface, and a rake face section contained in the rake face. There is a radial angular coolant trough, which has an entrance end opening into a selected one of the primary coolant trough and the mouth. The radial angular coolant trough has an orientation wherein the central longitudinal axis thereof is generally perpendicular to a corresponding discrete cutting edge whereby during operation a coolant stream is directed toward the corresponding discrete cutting edge. | 03-05-2015 |
20150063931 | INDEXABLE DRILL ASSEMBLY AND DRILL BODY HAVING COOLANT SUPPLY - An indexable drill assembly includes a drill body, which has a head portion at the axial forward end thereof and wherein the head portion has an outboard pocket and an inboard pocket. The drill body contains an outboard pocket coolant channel adjacent the outboard pocket and an inboard pocket coolant channel adjacent the inboard pocket. The outboard pocket has a seating surface and the outboard pocket coolant channel opening at the seating surface. The drill body further contains an outboard retention screw aperture opening in the seating surface wherein the seating surface contains an outboard coolant ring surrounding the retention screw aperture wherein the outboard coolant is being in fluid communication with the outboard pocket coolant channel. The inboard pocket has a seating surface and the inboard pocket coolant channel opens at the seating surface. The drill body further contains an inboard retention screw aperture opening in the seating surface wherein the seating surface contains an inboard coolant ring surrounding the inboard retention screw aperture wherein the inboard coolant ring is in fluid communication with the inboard pocket coolant channel. The drill assembly further includes an indexable outboard cutting insert retained in the outboard pocket, and an indexable inboard cutting insert retained in the inboard pocket. | 03-05-2015 |
Patent application number | Description | Published |
20110020072 | SHIM FOR A CUTTING INSERT AND CUTTING INSERT-SHIM ASSEMBLY WITH INTERNAL COOLANT DELIVERY - A cutting insert-shim assembly that has a cutting insert with a bottom surface and a plurality of interior coolant passages wherein each interior coolant passage has a coolant inlet in the bottom surface of the cutting insert. The shim has a first side surface and a second side surface and contains a cavity, which communicates with the coolant conduit. The cavity defines a first opening in the first side surface and a second opening in the second side surface. When the shim is in a first condition, the first side surface contacts the bottom surface of the cutting insert and the first opening provides a first level of coolant communication to the interior coolant passages in the cutting insert. When the shim is in a second condition, the second side surface contacts the bottom surface of the cutting insert and the second opening provides a second level of coolant communication to the interior coolant passages in the cutting insert. | 01-27-2011 |
20130129428 | CUTTING ASSEMBLY WITH ENHANCED COOLANT DELIVERY - A toolholder has a head portion including a slot separating the head portion into a lower extension with a lower seat and an upper extension with an upper seat to retain a cutting insert. The head portion contains a coolant entrance passage, which receives coolant from a coolant source, and a coolant delivery passage, which discharges coolant toward a cutting insert. The cutting insert includes a top surface with an upwardly extending protuberance that can be engaged by the toolholder to rigidly mount the cutting insert in the head portion of the toolholder. The cutting insert further includes a coolant channel formed in the top surface of the cutting insert that is positioned directly opposite of the coolant discharge to enhance the flow rate of the coolant delivered to the cutting insert-workpiece interface. | 05-23-2013 |
20130195564 | ROUGHING CUTTING INSERT - A cutting insert for use in a chipforming material removal operation that includes a cutting insert body, which has a seating surface, a flank face, and a corner cutting region at the intersection of a peripheral edge and the flank adjacent corresponding corners thereof. The cutting insert body contains a central aperture. The seating surface contains a coolant delivery trough, which has a radial orientation toward a corresponding corner cutting region. The coolant delivery trough has a radial outward end terminating at the peripheral edge and a radial inward end opening into the central aperture. There are a pair of lateral topographic regions wherein the one lateral topographic region is along one side of the coolant delivery trough and the other lateral topographic region is along other side of the coolant delivery trough. | 08-01-2013 |
20130195565 | FINISHING CUTTING INSERT - A cutting insert for use in a chipforming material removal operation that includes a cutting insert body, which has a seating surface, a flank face, and a corner cutting region at the intersection of a peripheral edge and the flank adjacent corresponding corners thereof. The cutting insert body contains a central aperture. The seating surface contains a coolant delivery trough, which has a radial orientation toward a corresponding corner cutting region. The coolant delivery trough has a radial outward end terminating at the peripheral edge and a radial inward end opening into the central aperture. There are a pair of lateral topographic regions wherein the one lateral topographic region is along one side of the coolant delivery trough and the other lateral topographic region is along other side of the coolant delivery trough. | 08-01-2013 |
20140079495 | CUTTING INSERTS - A cutting insert for use in a chipforming material removal operation that includes a cutting insert body, which has a seating surface, a flank face, and a corner cutting region at the intersection of a peripheral edge and the flank adjacent corresponding corners thereof. The cutting insert body contains a central aperture. The seating surface contains a coolant delivery trough, which has a radial orientation toward a corresponding corner cutting region. The coolant delivery trough has a radial outward end terminating at the peripheral edge and a radial inward end opening into the central aperture. There are a pair of lateral topographic regions wherein the one lateral topographic region is along one side of the coolant delivery trough and the other lateral topographic region is along other side of the coolant delivery trough. | 03-20-2014 |
20140169890 | TOOLHOLDER ASSEMBLY WITH INTERNAL COOLANT DELIVERY SYSTEM - A toolholder assembly includes a toolholder body having a coolant passage and a cutting insert seated within a recess of the body. The cutting insert includes an insert orifice extending between a top face and a bottom face that aligns with the coolant passage. A lock pin includes a lock pin orifice that aligns with and is in fluid communication with the coolant passage of the body. The lock pin orifice has an outlet port to allow the fluid to flow through the lock pin orifice and exit through the outlet port. A lock pin ring includes a coolant port in fluid communication with the outlet port of the lock pin to effectively discharge cooling fluid in the direction of a cutting area of the cutting insert. | 06-19-2014 |
Patent application number | Description | Published |
20090274422 | CONNECTOR ASSEMBLY HAVING A LIGHT PIPE ASSEMBLY - A connector assembly includes a first connector having a housing and a plurality of contacts extending from the housing. The housing and the contacts define a mating interface and the first connector includes a light source. A second connector has a housing and a plurality of contacts defining a mating interface configured to mate with the mating interface of the first connector. The connector assembly also includes a light pipe assembly having a plurality of separate light pipe segments, wherein a first light pipe segment is provided with the first connector and directs light from the light source, and a second light pipe segment is provided with the second connector and receives light from the first light pipe segment to direct light to an external portion of the second connector. | 11-05-2009 |
20090275228 | ELECTRICAL CONNECTOR HAVING PULL TETHER FOR LATCH RELEASE - An electrical connector includes a housing having a plurality of contacts defining a mating interface for a mating connector. A latch extends from the housing and is configured to securely couple the housing to the mating connector. The latch is depressible to an unlatched position. A tether is mated with the latch. The tether is movable between a released position and an actuated position, wherein the tether depresses the latch to the unlatched position when the tether is moved to the actuated position. | 11-05-2009 |
20100068904 | MODULAR ELECTRICAL CONNECTOR WITH OPPOSING CONTACT SUPPORT MEMBERS - A contact sub-assembly is provided for an electrical connector. The contact sub-assembly includes a base configured for mounting to a mating component. The base includes a pair of opposite side surfaces. A pair of separate contact support members are mounted on the base. Each contact support member holds a separate set of electrical contacts. Each contact support member includes a mounting portion engaged with a corresponding one of the side surfaces of the base such that a portion of the base extends between the mounting portions of the contact support members. The sets of electrical contacts held by the contact support members cooperate to define a mating interface for a mating connector. | 03-18-2010 |
20140098497 | TRANSCEIVER ASSEMBLY - A transceiver assembly includes a transceiver module having ribs and a thermal interface member on an outer surface and a receptacle assembly receiving the transceiver module. The receptacle assembly includes a heat sink and a clip coupling the heat sink to a guide frame. The heat sink has a heat sink surface facing the thermal interface member and a step extending from the heat sink surface with a module engagement surface. The ribs ride along the step during insertion into and removal from the receptacle of the transceiver module. When the ribs are longitudinally aligned with and engage the step, the module engagement surface is in an elevated position. When the ribs are longitudinally offset from the step, the module engagement surface is in a recessed position and in direct thermal engagement with the thermal interface member. | 04-10-2014 |
Patent application number | Description | Published |
20080285236 | Heat transfer system for a receptacle assembly - A receptacle assembly includes a housing that is configured to hold an electrical module. An energy transfer element, which is held by the housing, is positioned to directly engage the electrical module. The transfer element absorbs thermal energy produced by the electrical module. The receptacle assembly also includes a heat sink that is remotely located from the transfer element. A thermally conductive member extends between the heat sink and the transfer element to convey thermal energy therebetween. | 11-20-2008 |
20090093140 | MODULAR ELECTRICAL CONNECTOR WITH ENHANCED JACK INTERFACE - An electrical connector includes a contact sub-assembly having a plurality of contacts arranged on a contact support member. The contact support member has a pair of opposed support walls extending from a base to a mating end, and the support walls are separated by a gap that extends from the mating end toward the base. The contacts extend at least partially along the support walls between the mating end and the base, wherein a first set of the contacts are provided on one of the support walls and a second set of the contacts are provided on the other of the support walls. The contacts are exposed to the gap for connection with a mating connector received within the gap. The electrical connector also includes a housing having a cavity configured to receive the mating connector, wherein the contact sub-assembly is received within the cavity for mating with the mating connector. | 04-09-2009 |
20090093166 | MODULAR ELECTRICAL CONNECTOR WITH ENHANCED PLUG INTERFACE - An electrical connector includes a plug body having a cavity defined by outer body walls. The cavity has a cavity axis extending between a mating end and a base end of the cavity. The plug body also includes a web portion within the cavity, wherein the web portion extends along the cavity axis and includes a first side and a second side. The first and second sides are spaced apart from, and generally face, corresponding ones of the outer body walls. The plug body is configured to be received within a receptacle of a mating connector, and a portion of the mating connector is received within the cavity along the first and second sides of the web portion when the plug body is mated within the mating connector. The electrical connector also includes a plurality of contacts arranged on the web portion in differential pairs, wherein a first differential pair of contacts is positioned on the first side and a second differential pair of contacts is positioned on the second side for interfacing with the mating connector. | 04-09-2009 |
20110294334 | LATCH FOR A CABLE ASSEMBLY - A latch assembly for a connector is provided. The latch assembly includes a latch coupled to the connector. The latch includes a crossbar and a latch arm extending from the crossbar. The latch arm is configured to engage a mating connector. An anchor point engages the latch. The latch rotates about the anchor point between an open position, where the latch arm is configured to disengage from the mating connector, and a closed position. where the latch arm is configured to engage the mating connector. A biasing mechanism engages the crossbar of the latch to bias the latch into the closed position, wherein in the closed position the latch assembly generates a latch force on the mating connector in a direction opposite to a load force imposed on at least one of the connector and the mating connector. | 12-01-2011 |
20130034977 | RECEPTACLE CONNECTOR FOR A PLUGGABLE TRANSCEIVER MODULE - A receptacle connector includes a dielectric connector body having a receptacle configured to receive a mating connector therein. Signal and ground contacts are held by the connector body. The signal and ground contacts include mating segments that are arranged within the receptacle of the connector body in a row that extends a length along a row axis. The mating segments of the signal and ground contacts include mating interfaces that extend within the receptacle for mating with corresponding mating contacts of the mating connector. A ground shield extends within the receptacle. The ground shield overlaps the mating segments of the signal and ground contacts within the receptacle along the length of the row of the mating segments. | 02-07-2013 |
20130034992 | CAGE AND CONNECTOR COVER FOR A RECEPTACLE ASSEMBLY - A cage is provided for a receptacle assembly that includes a receptacle connector. The cage includes an electrically conductive body comprising an upper wall, a lower wall, and side walls that extend from the upper wall to the lower wall. The body has a front end and an internal compartment. The front end is open to the internal compartment of the body. The internal compartment is configured to hold the receptacle connector therein. The internal compartment is configured to receive a pluggable module therein through the front end. A connector cover is integrally formed with the lower wall of the body. The connector cover extends within the internal compartment of the body. The connector cover includes an interior chamber that is configured to hold the receptacle connector therein such that the cover extends over at least a portion of the receptacle connector. | 02-07-2013 |
20130034998 | STRADDLE MOUNT CONNECTOR FOR A PLUGGABLE TRANSCEIVER MODULE - A straddle mount connector is provided for edge mounting to a circuit board of a pluggable module. The straddle mount connector includes a dielectric connector body having a base and a plug extending from the base. The base is configured to be coupled to an edge of the circuit board. The plug has opposite first and second sides and a plate cavity that extends within the plug between the first and second sides. The plug is configured to be received within a receptacle of a receptacle connector. Electrical contacts are held by the connector body. The electrical contacts include mating segments. The mating segments of a first group of the electrical contacts are arranged in a first row that extends a length along the first side of the plug. The mating segments of a second group of the electrical contacts are arranged in a second row that extends a length along the second side of the plug. A ground plate is held within the plate cavity of the plug of the connector body. The ground plate extends between the first and second rows of electrical contacts along the lengths of the first and second rows. | 02-07-2013 |
20130252451 | LATCH ASSEMBLY FOR A PLUGGABLE ELECTRONIC MODULE - A latch assembly is provided for latching a pluggable electronic module to a receptacle assembly. The latch assembly includes a yoke assembly having an actuation end that is movable between a latched position and an unlatched position. A lever is operatively connected to the yoke assembly to move the actuation end of the yoke assembly between the latched and unlatched positions. A latch element is operatively connected to the actuation end of the yoke assembly. The latch element is movable along a latch axis between an extended position and a retracted position as the actuation end is moved between the latched and unlatched positions, respectively. The actuation end of the yoke assembly is configured to float along the latch axis relative to the latch element. | 09-26-2013 |
20150249304 | PLUGGABLE CONNECTOR HAVING A COUPLING MECHANISM - Pluggable connector including a connector housing having a mating end that is configured to engage a communication component during a mating operation. The pluggable connector also includes a coupling mechanism that is attached to the connector housing. The coupling mechanism includes a component latch and a biasing finger that engages the component latch. The component latch is rotatable about a pivot axis between open and closed positions and has an operative end that moves relative to the connector housing when the component latch is rotated about the pivot axis. The biasing finger engages the component latch at a contact area that is generally between the pivot axis and the operative end when the component latch rotates from the closed position toward the open position. The biasing finger provides a biasing force at the contact area for rotating the component latch toward the closed position. | 09-03-2015 |
20150255929 | ELECTRICAL CONNECTOR HAVING REDUCED CONTACT SPACING - An electrical connector includes a housing, signal modules, and ground plates. The signal modules and ground plates are arranged in a pattern that includes ground plates flanking corresponding pairs of signal modules within the housing. The signal modules have a dielectric body and signal conductors held within the dielectric body. The signal conductors include contact beams protruding from a front edge for electrical termination. Each ground plate has contact beams aligned with the contact beams of the signal modules to provide shielding therebetween. Each signal module has a lateral thickness that is greater than a thickness of each ground plate. The signal conductors of each signal module are offset relative to a central plane of the signal module such that contact spacings between adjacent contact beams are uniform. Optionally, ground tie bars extend through the signal modules and ground plates to electrically common the ground plates. | 09-10-2015 |
20150318634 | PLUGGABLE CONNECTOR HAVING MULTIPLE HOUSING SHELLS - Pluggable connector including a contact array of electrical contacts for engaging corresponding contacts of a communication component. The pluggable connector also includes a connector housing having a mating end configured to mate with the communication component. The connector housing includes a first housing shell and a second housing shell that oppose each other and are coupled together to define a housing cavity therebetween. The contact array is disposed within the housing cavity. The first housing shell includes a plug collar that surrounds the contact array at the mating end. The plug collar has a leading edge and a back edge. The second housing shell interfaces with the back edge of the plug collar such that the plug collar extends from the second housing shell to the mating end. | 11-05-2015 |
20160093978 | Latch for Electrical Connector - A latch is provided for latching a connector to a device. The latch includes a body having an actuator and a latch pin. The latch pin is movable between a latched position and an unlatched position. The latch pin is configured to latch the connector to the device when the latch pin is in the latched position. The actuator extends from the latch. The actuator is configured such that movement of the actuator moves latch pin between latched position and the unlatched position. The actuator and the latch pin are integrally fabricated from a same sheet of material as a continuous structure such that the body is a single, unitary body. | 03-31-2016 |
Patent application number | Description | Published |
20090200799 | Couplings Having Stiffening Ribs and Keys with Oppositely Disposed Camming Services - Mechanical pipe couplings for joining pipe elements in end to end relation have arcuate keys which engage circumferential grooves in the pipe elements and radially projecting stiffening ribs aligned with the keys. At the end of the keys on opposite sides are camming surfaces which are formed by a thinning of the key. The camming surfaces may be concave, convex, or angularly oriented surfaces and serve to guide the keys into grooves when the keys are not directly aligned with the grooves. | 08-13-2009 |
20090243289 | Couplings Having Stiffening Ribs and Keys with Oppositely Disposed Camming Surfaces - Mechanical pipe couplings for joining large diameter pipe elements in end to end relation have arcuate keys which engage circumferential grooves in the pipe elements and radially projecting stiffening ribs aligned with the keys. Key surfaces have angular orientations between 5° and 30°. At the end of the keys on opposite sides are camming surfaces which are formed by a thinning of the key. The camming surfaces may be concave, convex, or angularly oriented surfaces and serve to guide the keys into grooves when the keys are not directly aligned with the grooves. | 10-01-2009 |
20100253066 | Crimp-Type Coupling, Crimping Tool and Method of Crimping - A coupling installed by crimping has an angularly oriented conical surface at an open end surrounded by a ring which receives a pipe element. Dies move radially toward the coupling on jaws of a crimping tool and engage the conical surface along a single line of contact to effect a crimp which secures the coupling to the pipe. The radially applied force has radial and axial components. The radial component effects the crimp, the axial component deforms a channel in the coupling in which a seal is located. The seal is deformed between the coupling and the pipe to effect a fluid tight joint. The coupling may have a circumferential rib which projects radially outwardly. Registration dogs engage the coupling and provide a reaction surface against the axial force component. | 10-07-2010 |
20100289257 | Coupling Having Angularly Oriented Shoulder Surfaces - A mechanical pipe coupling is formed of segments attached end to end to surround a central space. Each segment has a circumferentially extending cavity facing the central space flanked by arcuate keys which project toward the central space. Two arcuate shoulder surfaces are positioned on each segment. The arcuate shoulder surfaces face the central space and are positioned in spaced relation on opposite sides of the cavity between the cavity and the arcuate keys. The arcuate shoulder surfaces are angularly oriented with respect to an axis perpendicular to a plane containing the segments. The coupling is used to couple pipe elements having a circumferential ring located at the ends of the pipe elements. The angular orientation of the arcuate shoulder surfaces provides flexibility to the joint. A method of joining pipe elements having circumferential rings is also disclosed. | 11-18-2010 |
20110062706 | Seal Having Projections and Coupling Having Pockets - A ring-shaped seal has projections on an outwardly facing surface in the form of tubes which have a longitudinal axis oriented perpendicular to a plane containing the ring. The seal is received within a channel defined by segments attached end to end forming a coupling for coupling pipe elements in end to end relation. The segments have pockets which receive the projections. The projections support the segments in spaced apart relation to allow the pipe elements to be inserted into the coupling without loosening or disassembling it. The projections deform when the segments are drawn toward one another by adjustably tightenable fasteners and allow the segments to engage and capture the pipe elements in end to end relation. | 03-17-2011 |
20110285094 | Ring Seal With Offset Centroids - A seal used with crimp-type couplings to provide a fluid tight joint has a ring that surrounds a point. The ring has a multiplicity of cross sections. Each cross section may have the same shape and area at every position along the entire length of the ring. Each cross section has a centroid. The ring is divided into portions. Each portion subtends an angle measured about the point. Each portion is characterized by the distance from the point to the centroids of the cross sections within the portion. Centroids of the cross sections in a first portion are positioned at the same distance from the point. Centroids of the cross sections in another portion are positioned at respective points different from the distance associated with the first portion. By offsetting the centroids leak paths are intentionally created before the joint is crimped to prevent false indications of a crimped joint. | 11-24-2011 |