Patent application number | Description | Published |
20100304418 | Compositions and Methods for Monitoring Flow Through Fluid Conducting and Containment Systems - Latently detectable tracers for use in fluid conducting and containment systems wherein the interaction between the tracer and a biomacromolecule produces a detectable signal. More specifically, the latently detectable tracers monitor flow through such systems. Methods for monitoring the flow of fluid using the tracers, and a kit for use in monitoring the flow of fluid in such systems, including the tracers are also disclosed. | 12-02-2010 |
20110027803 | Compositions and Methods for Maintenance of Fluid Conducting and Containment Systems - Latently detectable small molecules, or ‘labels’, used for monitoring of treatment substances in fluid conducting and containment systems. A composition comprising the treatment substance and the label, a method of manufacturing the composition, a method and kit for use in monitoring the treatment substances in a fluid conducting and containment system, and a method for treating such a system using the composition are also disclosed. | 02-03-2011 |
20130137128 | METHOD OF ASSESSING CHEMICALS IN PRODUCED FLUIDS - A method of monitoring water-soluble treatment chemicals in a fluid that is immiscible with water and which may or may not contain some aqueous fluid, the method using at least one reagent that produces an optically detectable product, the detection step can take place without separation of the aqueous phase containing the treatment chemicals from the fluid immiscible with water. | 05-30-2013 |
Patent application number | Description | Published |
20120041269 | EXPANDABLE THORACIC ACCESS PORT - A surgical access assembly for positioning within an opening in tissue including an outer member positionable outside a patient and defining an opening therein to receive a surgical instrument. The outer member has a first portion and a second portion wherein at least one of the first and second portions is movable with respect to the other portion. The assembly also includes an inner member positionable within a patient and a flexible member extending between the inner member and outer member, wherein movement of one of the first and second portions of the outer member adjusts tension on the flexible member to retract tissue. A locking mechanism locks the outer member in a plurality of select expanded positions. The locking mechanism includes first engagement structure on the first portion engageable with the second portion and a slidable member movable to a locking position to retain the first and second portions in the select expanded position. | 02-16-2012 |
20120041335 | THORACIC ACCESS PORT - A surgical access port for accessing a cavity of a patient having an outer frame including first and second frame portions, wherein at least one of the frame portions is movable with respect to the other frame portion. The outer frame has a first length greater than the first width, wherein movement of at least one of the frame portions away from the other frame portion increases the outer frame to a third length greater than the first length. An inner member has a second length and a second width, the second length being substantially transverse to the first length of the outer frame and the second width being substantially transverse to the first width of the outer frame. A flexible member extends between the outer frame and inner member and is movable by movement of at least one of the frame portions. | 02-16-2012 |
20120143008 | Expandable Surgical Access Port - A surgical access assembly for positioning within an opening in tissue including an outer frame positionable outside a patient and defining an opening therein dimensioned to receive a surgical instrument therethrough. The outer frame includes a first portion, a second portion and a locking portion. An inner member is positionable within a patient and a flexible member extends between the inner member and outer frame and is spreadable by actuation of the outer frame. | 06-07-2012 |
20120143009 | Expandable Surgical Access Port - A method of accessing an internal portion of a patient including the steps of providing an access assembly including an outer frame, an inner member and a flexible member, inserting the inner member through an opening in tissue into a body of a patient with the flexible member extending proximally through the opening in tissue, moving at least a first portion or second portion of the outer member to a select unlocked spread position to enlarge the opening in tissue and the passageway through the flexible member, and subsequently moving the locking member to move the first and second engagement structures into a locking position to lock the first portion in the select spread position. | 06-07-2012 |
20150094541 | Expandable Surgical Access Port - A surgical access assembly for positioning within an opening in tissue including an outer frame positionable outside a patient and defining an opening therein dimensioned to receive a surgical instrument therethrough. The outer frame includes a first portion, a second portion and a locking portion. An inner member is positionable within a patient and a flexible member extends between the inner member and outer frame and is spreadable by actuation of the outer frame. | 04-02-2015 |
Patent application number | Description | Published |
20140269537 | Direct Routing of Communication Sessions for Mobile IP Communication End Points - Embodiments of methods and systems for direct routing of communication sessions for mobile IP communication end points are presented. The methods may be implemented in a service provider network. In one embodiment, a method includes receiving, on a first service provider network, a request for access to a target communication device, the target communication device being associated with a second service provider network. The method may also include receiving an indicator, from the second service provider network, that the target communication device is roaming on a third service provider network. Additionally, the method may include establishing a peer-to-peer communication link with the target communication device on the third service provider network by a direct peer-to-peer interconnection process. | 09-18-2014 |
20150236888 | Peer-to-Peer Interconnection between Service Providers - Embodiments of methods and systems for peer-to-peer interconnection between service providers are presented. In one embodiment, a method includes receiving, at a session controller, a request for access to a target communication device, the target communication device being communicatively coupled to a foreign service provider network. The method may also include referencing a list of available routes for peer-to-peer communication with the target communication device on the foreign service provider network from a database of available routes. Additionally, the method may include identifying, in a peer-to-peer interconnect controller, a path for communication with the target communication device in response to the list of available routes. In one embodiment, the method also includes establishing a peer-to-peer communication session from a peering point to the target communication device over the path. | 08-20-2015 |
Patent application number | Description | Published |
20120199217 | DUAL PUMP REGULATOR SYSTEM FOR A MOTOR VEHICLE TRANSMISSION - An apparatus and method are disclosed for controlling fluid flow in a motor vehicle transmission. At least one friction engagement device is fluidly coupled to a first pump, and a lubrication and cooling sub-system is normally fluidly coupled to a second pump. Illustratively, when a flow rate of the fluid in the first fluid passageway is less than a threshold fluid flow rate, a temperature of the fluid is greater than a temperature threshold and a fluid flow demand is greater than a fluid flow demand threshold, fluid flow from the second pump to the lubrication and cooling sub-system is blocked and fluid supplied by the second pump is instead directed to the at least one friction engagement device such that fluid is supplied by both the first and second pumps only to the at least one friction engagement device. | 08-09-2012 |
20120202642 | Variator Switching Valve Scheme For A Torroidal Traction Drive Transmision - An apparatus for controlling a variator having at least one roller between two torroidal disks may include at least one actuator responsive to fluid pressure at separate high side and low side fluid inlets thereof to control torque applied by the at least one roller to the disks. First and second variator switching valves may each receive a first fluid at a first pressure and a second fluid at a second lesser pressure. The first and second variator switching valves supply the first fluid to the high side fluid inlet and the second fluid to the low side fluid inlet during two of four different operational states together defined by the variator switching valves, and supply the second fluid to the high side fluid inlet and the first fluid to the low side fluid inlet during each of the remaining two of the four different operational states. | 08-09-2012 |
20140249725 | Variator Multiplex Valve Scheme for a Torroidal Traction Drive Transmission - An apparatus and method are disclosed for controlling fluid flow to a variator which responsive to separate high and low pressure fluids to control an output torque thereof. A first trim valve may be responsive to a first control signal to supply a first fluid at a fluid outlet thereof. A second trim valve may be responsive to a second control signal to supply a second fluid at a fluid outlet thereof. A variator switching sub-system may controllably supply the high pressure fluid and the low pressure fluid to the variator. A multiplex valve may be fluidly coupled to the outlets of the first and second trim valves, and may supply the first fluid as the high pressure fluid to the variator switching sub-system during at least one predefined operating condition and may otherwise supply the second fluid as the high pressure fluid to the variator switching sub-system. | 09-04-2014 |
20140257649 | DUAL PUMP REGULATOR SYSTEM FOR A MOTOR VEHICLE TRANSMISSION - An apparatus and method are disclosed for controlling fluid flow in a motor vehicle transmission. At least one friction engagement device is fluidly coupled to a first pump, and a lubrication and cooling sub-system is normally fluidly coupled to a second pump. Illustratively, when a flow rate of the fluid in the first fluid passageway is less than a threshold fluid flow rate, a temperature of the fluid is greater than a temperature threshold and a fluid flow demand is greater than a fluid flow demand threshold, fluid flow from the second pump to the lubrication and cooling sub-system is blocked and fluid supplied by the second pump is instead directed to the at least one friction engagement device such that fluid is supplied by both the first and second pumps only to the at least one friction engagement device. | 09-11-2014 |
Patent application number | Description | Published |
20110143882 | System and Method for Multiplexing Gear Engagement Control and Providing Fault Protection in a Toroidal Traction Drive Automatic Transmission - An apparatus for multiplexing gear engagement control in an automatic transmission is provided. At least two friction engagement devices are configured to selectively engage and disengage a different gear ratio of the transmission. A trim system is configured to selectively supply engagement and disengagement pressures to at least one fluid passageway. A first control valve is fluidly coupled directly to the at least one fluid passageway and directly to each of the at least two friction engagement devices. The first control valve is configured to selectively route the engagement and disengagement pressures through the first control valve directly to the at least two friction devices. | 06-16-2011 |
20110144870 | FAIL-TO-NEUTRAL SYSTEM AND METHOD FOR A TOROIDAL TRACTION DRIVE AUTOMATIC TRANSMISSION - A fail-to-neutral diagnostic technique for a transmission that includes a variator may include monitoring a state of a pressure differential valve fluidly coupled to a high side pressure applied to at least one actuator coupled to at least one corresponding roller of the variator and also fluidly coupled to a low side pressure applied to the at least one actuator, determining from the state of the pressure differential valve a variator torque sign corresponding to whether torque transferred by the at least one roller is positive or negative, determining an expected variator torque sign based on current operating conditions of the transmission, and commanding the transmission to a true neutral condition if the determined variator torque sign is different from the expected variator torque sign. | 06-16-2011 |
20110144925 | System and Method for Detecting Clutch-Related Faults in an Automatic Transmission - A fault diagnostic method for an automatic transmission may include monitoring an operating state of a trim system configured to selectively supply clutch engagement pressure and exhaust to at least one clutch control valve, determining an expected operating state of the trim system based on current operating conditions of the transmission, and generating a fault signal if the monitored operating state of the trim system is different from the expected operating state of the trim system. | 06-16-2011 |
20130218430 | FAIL-TO-NEUTRAL SYSTEM AND METHOD FOR TOROIDAL TRACTION DRIVE AUTOMATIC TRANSMISSION - A fail-to-neutral diagnostic technique for a transmission that includes a variator may include monitoring a state of a pressure differential valve fluidly coupled to a high side pressure applied to at least one actuator coupled to at least one corresponding roller of the variator and also fluidly coupled to a low side pressure applied to the at least one actuator, determining from the state of the pressure differential valve a variator torque sign corresponding to whether torque transferred by the at least one roller is positive or negative, determining an expected variator torque sign based on current operating conditions of the transmission, and commanding the transmission to a true neutral condition if the determined variator torque sign is different from the expected variator torque sign. | 08-22-2013 |
20140066249 | System and Method for Multiplexing Gear Engagement Control and Providing Fault Protection in a Toroidal Traction Drive Automatic Transmission - An apparatus for multiplexing gear engagement control in an automatic transmission is provided. At least two friction engagement devices are configured to selectively engage and disengage a different gear ratio of the transmission. A trim system is configured to selectively supply engagement and disengagement pressures to at least one fluid passageway. A first control valve is fluidly coupled directly to the at least one fluid passageway and directly to each of the at least two friction engagement devices. The first control valve is configured to selectively route the engagement and disengagement pressures through the first control valve directly to the at least two friction devices. | 03-06-2014 |
20140074367 | FAIL-TO-NEUTRAL SYSTEM AND METHOD FOR A TOROIDAL TRACTION DRIVE AUTOMATIC TRANSMISSION - A fail-to-neutral diagnostic technique for a transmission that includes a variator may include monitoring a state of a pressure differential valve fluidly coupled to a high side pressure applied to at least one actuator coupled to at least one corresponding roller of the variator and also fluidly coupled to a low side pressure applied to the at least one actuator, determining from the state of the pressure differential valve a variator torque sign corresponding to whether torque transferred by the at least one roller is positive or negative, determining an expected variator torque sign based on current operating conditions of the transmission, and commanding the transmission to a true neutral condition if the determined variator torque sign is different from the expected variator torque sign. | 03-13-2014 |
20140196528 | System and Method for Detecting Clutch-Related Faults in an Automatic Transmission - A fault diagnostic method for an automatic transmission may include monitoring an operating state of a trim system configured to selectively supply clutch engagement pressure and exhaust to at least one clutch control valve, determining an expected operating state of the trim system based on current operating conditions of the transmission, and generating a fault signal if the monitored operating state of the trim system is different from the expected operating state of the trim system. | 07-17-2014 |
Patent application number | Description | Published |
20110087411 | ELECTRONIC CONTROLLER FOR A CONTINUOUSLY VARIABLE TRANSMISSION AND A METHOD OF CONTROL OF A CONTINUOUSLY VARIABLE TRANSMISSION - The invention concerns an electronic controller for a continuously variable transmission of the type having a variator ( | 04-14-2011 |
20110144872 | VARIATOR LOCKOUT VALVE SYSTEM - A variator lockout valve system for a continuously variable transmission includes a pair of shift valves. Each shift valve has at least one port that is fluidly coupled to a variator of the continuously variable transmission. Electro-hydraulic actuators control the position of each of the shift valves. When the shift valves are in one position, pressure control valves supply fluid pressure to the variator. If one of the shift valves is in another position, one of the pressure control valves is blocked from supplying fluid pressure to the variator. | 06-16-2011 |
20130037144 | FLUID SUPPLY FOR CONTINUOUSLY VARIABLE TRANSMISSION - An apparatus is disclosed for supplying fluid to a continuously variable transmission which has a lubrication system and at least one transmission control system. The apparatus comprises first and second pumps ( | 02-14-2013 |
20130123061 | VARIATOR TRACTION CONTROL ARRANGEMENT - A fraction control arrangement for a variator ( | 05-16-2013 |
20130338888 | VARIATOR CONTROL WITH TORQUE PROTECTION - A transmission includes an electro-hydraulic controller that includes redundancy in the hydraulic circuit that permits single fault failures to be compensated for by changing the flow path of hydraulic fluid to bypass the single fault failure. The redundancy results in the ability of the transmission to maintain full operation in all modes. | 12-19-2013 |
20130338889 | COLD OPERATION MODE CONTROL FOR AN IVT - A transmission includes an electro-hydraulic controller that includes redundancy in the hydraulic circuit that permits single fault failures to be compensated for by changing the flow path of hydraulic fluid to bypass the single fault failure. The redundancy results in the ability of the transmission to maintain full operation in all modes. | 12-19-2013 |
20130338891 | REDUNDANT CONTROLS FOR A MULTI-MODE TRANSMISSION - A transmission includes an electro-hydraulic controller that includes redundancy in the hydraulic circuit that permits single fault failures to be compensated for by changing the flow path of hydraulic fluid to bypass the single fault failure. The redundancy results in the ability of the transmission to maintain full operation in all modes. | 12-19-2013 |
20130338893 | MULTI-PLEXING CLUTCH LOGIC CONTROL OF A MULTI-MODE TRANSMISSION - A transmission includes an electro-hydraulic controller that includes redundancy in the hydraulic circuit that permits single fault failures to be compensated for by changing the flow path of hydraulic fluid to bypass the single fault failure. The redundancy results in the ability of the transmission to maintain full operation in all modes. | 12-19-2013 |
20140214287 | VARIATOR LOCKOUT VALVE SYSTEM - A variator lockout valve system for a continuously variable transmission includes a pair of shift valves. Each shift valve has at least one port that is fluidly coupled to a variator of the continuously variable transmission. Electro-hydraulic actuators control the position of each of the shift valves. When the shift valves are in one position, pressure control valves supply fluid pressure to the variator. If one of the shift valves is in another position, one of the pressure control valves is blocked from supplying fluid pressure to the variator. | 07-31-2014 |
20150080172 | VARIATOR CONTROL WITH TORQUE PROTECTION - A transmission includes an electro-hydraulic controller that includes redundancy in the hydraulic circuit that permits single fault failures to be compensated for by changing the flow path of hydraulic fluid to bypass the single fault failure. The redundancy results in the ability of the transmission to maintain full operation in all modes. | 03-19-2015 |
20150247572 | MULTI-PLEXING CLUTCH LOGIC CONTROL OF A MULTI-MODE TRANSMISSION - A transmission includes an electro-hydraulic controller that includes redundancy in the hydraulic circuit that permits single fault failures to be compensated for by changing the flow path of hydraulic fluid to bypass the single fault failure. The redundancy results in the ability of the transmission to maintain full operation in all modes. | 09-03-2015 |