Abstract: Systems and methods are provided for enabling an ecommerce purchase transaction on a mobile device without requiring a user to enter payment card information during each transaction. A payment card token may be generated by the mobile payment application in response to receiving payment card information associated with a payment card. A unique user code associated with the payment card token may be generated. A payment card token may be communicated via a magnetic stripe reader communicatively coupled to the mobile device. The ecommerce purchase transaction may be completed by sending the payment card token from the mobile device to an online merchant upon entering the requisite unique user code.

Abstract: A bleed air cooling system for a gas turbine engine includes one or more bleed flowpaths operably connected to a bleed outlet to divert a bleed airflow from a gas turbine engine flowpath. Each bleed flowpath includes two or more bleed ports to divert a bleed airflow from a gas turbine engine flowpath, a bleed duct configured to convey the bleed airflow from the two or more bleed ports to the bleed outlet, and a delta-pressure valve located at each bleed port of the two or more bleed ports configured to move between an opened position and a closed position in response to a difference between a first pressure upstream of the delta-pressure valve and a second pressure downstream of the delta pressure valve. The bleed airflow is selectably conveyed through a bleed port of the two or more bleed ports depending on the operation of the associated delta-pressure valve.

Abstract: Systems and methods are provided for providing criteria-based location notifications to parents based on a geolocation of a child. Geolocation information may be transmitted from a child's mobile device. Geolocation information may include a geolocation of a child user and may be processed in accordance with user-selected parameters specifying a set of undesirable geolocations provided by the parent user. The determination that the child user's geolocation satisfies child user's parameters may trigger a notification transmitted to the parent user. Determination of a likelihood of incident occurrence for a child user at a geolocation may be made in accordance with a threshold parameter provided by the parent user. The determination may be performed by analyzing geolocation information, user information provided by the parent user, and additional information obtained by the system.

Abstract: Gas turbine engines and turbines thereof including a stator section having a plurality of vanes, a rotating section having a plurality of blades, the rotating section being axially adjacent the stator section along an axis of the turbine, the stator section being aftward of the rotating section along the axis of the turbine, and a primary tangential onboard injector located radially inward from the stator section and configured to direct an airflow from the stator section in a forward direction toward the rotating section, the primary tangential onboard injector turning the airflow in a direction of rotation of the rotating section.

Abstract: Systems and methods for generating a dynamically adjustable dial pad are disclosed. Example embodiments include an electronic device for generating a dynamically adjustable dial pad. An electronic device may include a display, a transceiver, and circuitry. The circuitry may be coupled to the display and transceiver. The electronic device may cause the display to present icons. The device may cause the circuitry to gather information from applications supported by the device. The device may cause the transceiver to send the information gathered to a remote server. The device may cause the transceiver to receive, from the remote server, ranking information for functionalities. The ranking information may use the information gathered. The ranking information may represent an estimated relevance of the functionalities to a user. The device may cause the circuitry to generate modified icons using the ranking information. The device may cause the display to present the modified icons.

Abstract: Systems and methods for estimating relevant functionalities are disclosed. Example embodiments include a system for estimating relevant functionalities. The system may include a receiver adapted to receive incoming signals and a transmitter adapted to send outgoing signals. Additionally, the system may include circuitry coupled to the transmitter and receiver. The system may cause the circuitry to use the receiver to obtain information gathered from one or more applications supported by the electronic device. The system may cause the circuitry to remove a subset of personally identifying information from the information obtained. The system may determine an estimated user preference for a functionality of a set of functionalities using the information obtained. The functionality may correspond to an icon in an array of icons presentable on a display of the electronic device. The system may use the transmitter to communicate the estimated user preference for the functionality to the electronic device.

Abstract: Various embodiments of the present invention provide a system and method for providing a digital status indicator on a map. According to one embodiment, a system is provided which performs the operations of: parsing through social media data of a social media user extracted from a social media platform; creating a status indicator comprising one or more categorical labels to filter the social media data into select categories of interest;; correlating the status indicator with location information; outputting the status indicator with location information on a map interface; and presenting through a graphical user interface the status indicator with the location information.

Abstract: According to various embodiments of the disclosed technology, a system and method for validating the identity of an online account user in real time is disclosed. The system may include a processor; a memory attached to the processor; a computer readable medium having instruction embedded therein, the instructions configured to cause the processor to perform the operations of: creating a user profile for an online account for a first user, where the user profile may include a picture of a first user's face; receiving a request from a second user requesting to verify the picture of the first user as being an authentic representation of the first user's face; presenting through a computing device instructions of a specified pose for the first user to pose in a verification photo; and submitting the verification photo of the first user with the specified pose to the second user for verification.

Abstract: A gas turbine engine includes a compressor section, a combustor, and a turbine section. The turbine section includes a high pressure turbine comprising a plurality of turbine blades. The gas turbine engine includes a tap for tapping air that is compressed by the compressor, to be passed through a heat exchanger to cool the air, the cooled air to be passed to the plurality of turbine blades. A sensor is located downstream of a leading edge of the combustor, and is configured to measure a characteristic of the cooled air. A controller is configured to compare the measured characteristic to a threshold and control an operating condition of the gas turbine engine based on the comparison.

Abstract: A bleed air cooling system for a gas turbine engine includes one or more bleed flowpaths operably connected to a bleed outlet to divert a bleed airflow from a gas turbine engine flowpath. Each bleed flowpath includes two or more bleed ports to divert a bleed airflow from a gas turbine engine flowpath, a bleed duct configured to convey the bleed airflow from the two or more bleed ports to the bleed outlet, and a delta-pressure valve located at each bleed port of the two or more bleed ports configured to move between an opened position and a closed position in response to a difference between a first pressure upstream of the delta-pressure valve and a second pressure downstream of the delta pressure valve. The bleed airflow is selectably conveyed through a bleed port of the two or more bleed ports depending on the operation of the associated delta-pressure valve.

Abstract: A bleed air cooling system for a gas turbine engine includes one or more bleed ports located at one or more axial locations of the gas turbine engine to divert a bleed airflow from a gas turbine engine flowpath, a bleed outlet located at a cooling location of the gas turbine engine and a bleed duct in fluid communication with the bleed port and the configured to convey the bleed airflow from the bleed port to the bleed outlet. One or more safety sensors are configured to sense operational characteristics of the gas turbine engine, and a controller is operably connected to the one or more safety sensors and configured to evaluate the sensed operational characteristics for anomalies in operation of the bleed air cooling system.

Abstract: A bleed air cooling system for a gas turbine engine includes one or more bleed flowpaths operably connected to a bleed outlet to divert a bleed airflow from a gas turbine engine flowpath. Each bleed flowpath includes two or more bleed ports to divert a bleed airflow from a gas turbine engine flowpath, and a bleed duct in fluid communication with the bleed ports and configured to convey the bleed airflow from the two or more bleed ports to the bleed outlet. A valve is located at each bleed port of and is configured to move between an opened position and a closed position, and one or more sensors are located along the bleed flowpath to sense one or more conditions of the bleed air cooling system. The valve at a particular bleed port is moved to the opened position based on the sensed one or more conditions.

Abstract: A cooling system for a component of a gas turbine engine includes a first airflow passage configured to direct a first airflow to a mixing chamber and a second airflow passage to configured direct a second airflow to the mixing chamber, the second airflow having a higher temperature than the first airflow, and a cooling airflow passage to direct a cooling airflow from the mixing chamber to the component, the cooling airflow comprising the first airflow and the second airflow. The airflow passages are configured and sized to allow an amount of cooling airflow for unrestricted engine operation. When the first airflow passage is disabled, the second airflow passage and cooling airflow passage are configured and sized to allow an amount of cooling airflow which is adequate to permit continued safe engine operation restricted to within only a portion of its normal parameters and operating envelope.

Abstract: A bleed air cooling system for a gas turbine engine includes a bleed port located at an axial location of the gas turbine engine to divert a bleed airflow from a gas turbine engine flowpath, a bleed outlet located at a cooling location of the gas turbine engine and a bleed duct in fluid communication with the bleed port and the configured to convey the bleed airflow from the bleed port to the bleed outlet. A modulating valve is located at the bleed duct and is movable between a fully open position and a fully closed position to regulate the bleed airflow through the bleed duct based on one or more operating conditions of the gas turbine engine.

Abstract: Gas turbine engines and turbines thereof including a stator section having a plurality of vanes, a rotating section having a plurality of blades, the rotating section being axially adjacent the stator section along an axis of the turbine, the stator section being aftward of the rotating section along the axis of the turbine, and a primary tangential onboard injector located radially inward from the stator section and configured to direct an airflow from the stator section in a forward direction toward the rotating section, the primary tangential onboard injector turning the airflow in a direction of rotation of the rotating section.

Abstract: Turbines comprising a first stator section having a plurality of first vanes, a first rotating section having a plurality of first blades, a second stator section having a plurality of second vanes, a “primary TOBI assembly” having an “aft-facing, forward-positioned TOBI” configured to direct an airflow from the first stator section in an aftward direction toward the first rotating section, the primary TOBI assembly supplying high pressure cooling flow to leading edges of the first blades of the first rotating section, and a “secondary TOBI assembly” having a “forward-facing, aft-positioned TOBI” configured to direct an airflow from the second stator section in a forward direction toward the first rotating section, the secondary TOBI assembly supplying low pressure cooling flow to non-leading edge portions of the first blades of the first rotating section.

Abstract: A gas turbine engine comprises a compressor section, a combustor, and a turbine section. The turbine section includes a high pressure turbine first stage blade having an outer tip, and a blade outer air seal positioned radially outwardly of the outer tip. A tap taps air having been compressed by the compressor, the tapped air being passed through a heat exchanger. A vane section has vanes downstream of the combustor, but upstream of the first stage blade, and the air downstream of the heat exchanger passes radially inwardly of the combustor, along an axial length of the combustor, and then radially outwardly through a hollow chamber in the vanes, and then across the blade outer air seal, to cool the blade outer air seal.

Abstract: A gas turbine engine comprises a compressor section, a combustor, and a turbine section. The combustor has a radially outer surface defining a diffuser chamber radially outwardly of the combustor, and a cooling air chamber wall positioned outwardly of the diffuser chamber and the combustor, and radially inwardly of a second wall to define a cooling air chamber. The turbine section includes a high pressure turbine first stage blade having an outer tip, and a blade outer air seal positioned radially outwardly of the outer tip. A tap taps air having been compressed by the compressor and is passed through a heat exchanger. Air downstream of the heat exchanger passes into the cooling chamber, and then to the blade outer air seal.

Abstract: An airfoil may comprise a root and an airfoil body radially outward of the root. The airfoil body may define a first cooling chamber and a second cooling chamber. A first passage may be defined within the root and configured to direct a first airflow radially outward through the root into the first cooling chamber. A second passage may be defined within the root and configured to direct a second airflow radially outward through the root and into the second cooling chamber.

Abstract: A gas turbine engine according to an example of the present disclosure include a compressor section, a combustor, and a turbine section. The combustor has a radially outer surface that defines a diffuser chamber radially outwardly of the combustor. The turbine section has a high pressure turbine first stage blade that has an outer tip, and a blade outer air seal positioned radially outwardly of the outer tip. A tap for tapping air has been compressed by the compressor and is passed through a heat exchanger. The air downstream of the heat exchanger passes through at least one pipe and into a manifold radially outward of the blade outer air seal, and then passes across the blade outer air seal to cool the blade outer air seal.