Abstract: An apparatus in an electronic control system allows two or three wire operation. A power supply can supply power to the enclosed circuitry in both two and three wire installations. Two separate zero cross detectors are used such that timing information can be collected in both two and three wire installations. Both zero cross detectors are monitored and are used to automatically configure the electronic control. Over voltage circuitry senses an over voltage condition across a MOSFET which is in the off state and turns the MOSFET on so that it desirably will not reach the avalanche region. Over current circuitry senses when the current through the MOSFETs has exceeded a predetermined current threshold and then turns the MOSFETs off so they do not exceed the MOSFETs' safe operating area (SOA) curve. Latching circuitry is employed to keep the protection circuitry in effect even after a fault condition has cleared.

Abstract: Bleed Tec has two L shaped bracket ends with a one by one cut on one plain of each bracket. One adjustment rod, one housing for adjustment rod (two 2?×4? aluminum cylinders welded together, one with 0.650? bore thru, and one with side and end threads). Bleed Tec uses one air-cylinder (2? diameter cylinder 14? length 9? ram or stroke that's fitted with ?? air hose quick couple. One eight foot long×?? inner diameter Air supply hose, one three way push button valve that's fitted with a ?? air quick couple.

Abstract: Enumeration requests are sent from a node in a network. Each node that receives an enumeration request sends an enumeration response at a time determined by the node receiving the enumeration request.

Abstract: Methods and apparatus to manage a plurality of investments are disclosed. The methods and apparatus enable an individual investor who is part of an investment group to perform individual transactions as well as group transactions. Each investment transaction made through the investment group is tracked at the transaction level for each investor. The system creates a sub-account within a main investment account for each investor. Each sub-account is associated with its own cost basis regardless of the number of members added or removed from the investment group. In this manner, new members are not buying into built-in gains. Because the present system tracks the transactions at the individual investor level, it can assemble the pieces to provide a report at any level.

Abstract: A system and method for discovering network topology by various switch training and probing methods. Segments are discovered by having computers enter a promiscuous mode and determining from packets sent to a selected computer which computers see which other computers in the network. From the segments, various switch interconnections are determined, by having different computers train switches as to a training address and seeing which computers receive probe packets sent to that training address from another computer. Various training and probing methods are described that locate intermediate segments, deep switches, switch interconnections, and edge and singleton cases. In one implementation, a master computer coordinates the other computers (and devices) in the network to send the training and probing packets, and report on received packets, in order to determine the network topology.

Abstract: An overcurrent protection circuit for a power switching transistor wherein the power switching transistor has a control electrode and two main electrodes, the circuit comprising a circuit including a protection switch for sensing the rate of change of voltage with respect to time at one of the main electrodes of the power switching transistor and for controlling the protection switch to remove a control signal to the control electrode of the power switching transistor to turn off the power switching transistor if the rate of change exceeds a predefined value.

Abstract: A valve is provided for controlling a flow of a fluid between a first environment and a second environment. The valve includes a frame adapted to fit within a perimeter of an aperture in a divider separating the first environment from the second environment. The valve additionally includes a first gate movable within the frame to control a flow of the fluid through the aperture between the first environment and the second environment. The first gate includes a substantially aerodynamically clean surface substantially free from protrusions disrupting the flow of the fluid over the first gate surface. Additionally, the first gate includes a trailing edge having a baffle adapted to cover an aft edge of the frame when the first gate is positioned to have a small opening angle. The baffle includes a plurality of 3-D notches in a front side of the baffle.

Abstract: A valve for controlling a flow of a fluid between a first environment to a second environment. The valve includes a frame adapted to fit within a perimeter of an aperture in a divider separating the first environment from the second environment. The valve additionally includes a first gate movable within the frame to control a flow of the fluid through the aperture between the first environment and the second environment. The first gate has a substantially aerodynamically clean surface that is substantially free from protrusions that may disrupt the flow of the fluid over the first gate surface. The aerodynamically clean surface reduces coherent vortex shedding of the fluid as the fluid flows across the surface of the first gate. To further reduce vortex shedding, the first gate includes a rounded leading edge. Additionally, the first gate includes a trailing edge adapted to reduce edge tones.

Abstract: A valve for controlling a flow of a fluid between a first environment to a second environment is provided. The valve includes a frame that fits within an aperture in a divider separating the first environment from the second environment. Additionally, the valve includes at least one gate mounted and movable within the frame to control a flow of the fluid between the first environment and the second environment through the aperture. The gate includes a surface, wherein at least one portion of the surface includes a rough texture. The rough texture reduces coherent vortex shedding of the fluid as the fluid passes over the gate surface.

Abstract: A method and system are presented for determining the loading and capacity on a variable capacity channel by measuring the times at which packets are enqueued for transmission, and have their transmission completed, or by measuring these times in addition to the arrival times of the packets. The times may be measured using a device driver or other operating system component. The measurement may be performed in a centralized or distributed fashion for multi-access or point to point channels.

Abstract: A method and system for avoiding network congestion by measuring network load to adjust a rate at each source. The load (e.g., as a price value) is provided to network traffic sources, which adjust their flows based on a per-flow weight (willingness to pay). The load may be determined in-band by routers or out-of-band by an observer node. A load value (e.g., as a price) is increased or decreased based on the actual load or an estimate based on the actual load. The sources obtain the load value and control the output rates per flow based on each flow's associated weight (willingness to pay), e.g., as set by an administrator. Further, two classes of applications are enabled by allowing certain applications to ignore price.

Abstract: A system and method for generating air flight data for an aircraft includes a network of substantially flush-mounted sensor modules which generate flow rate information and/or static pressure information for the many of the aircraft's aerodynamic surfaces, preferably near the respective leading edges of the aerodynamic surfaces. The generated flow rate information and static pressure information are collected by a remotely-located controller. A processor calculates desired air flight data, including airspeed, aircraft altitude and airframe attitude information, based on the collected flow rate information and the static pressure information. Preferably, the processor selectively weights flow rate and static pressure information when calculating the desired air flight data such that flow rate information predominates at relatively low airspeeds and pressure information predominates at relatively higher airspeeds.

Abstract: A cooling system (18) for supplying an even distribution of cooling air within a payload chamber (14) of a launch vehicle is disclosed. The cooling system (18) includes an elongate duct (20), a diverter (22), and a plurality of partitions (24a, 24b, 24c . . . ). The diverter (22) is attached to a distal end (21) of the elongate duct (20) by the plurality of partitions (24a, 24b, 24c . . . ). A turning vane (26) integral with two of the plurality of partitions (24a, 24b, 24c . . . ) extends into the elongate duct (20) dividing part of the elongate duct (20) into two separate halves. Cooling air passes through the elongate duct (20) and strikes the diverter (22) which evenly distributes the cooling air within the payload chamber (14) of the launch vehicle.

Abstract: A bag of the gusseted square-bottom type having a generally rectangular bottom including a rectangular bottom fold portion and a triangular bottom fold portion is made with the triangular fold portion overlapping the rectangular fold portion. The triangular fold portion is sealed at the outermost ends thereof to define an inner enclosed space which communicates with the interior of the bag so that it can be extended from the bag bottom as the bag expands during a microwave cooking operation to form a fin-like extension.