Hamilton Sundstrand Patente

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

A fluid injection system (100) can include a main flow line (101), a primary flow line (103) connected to the main flow line, a primary flow valve (105) disposed on the primary flow line and configured to selectively allow injectant flow to the primary flow line, a secondary flow line (107) connected to the main flow line, and a secondary flow valve (109) disposed on the secondary flow line and configured to selectively allow injectant flow to the secondary flow line. The system can include a primary purge branch (111) in fluid communication with the primary flow line and connected to a purge gas line, a primary purge valve (115) disposed in the primary purge branch between the primary flow line and the purge gas line, a secondary purge branch (117) in fluid communication with the secondary flow line, and a secondary purge valve (119) disposed between the purge gas line and both of the primary purge branch and the secondary purge branch.

A heat exchanger includes a core, a first manifold (12), and a second manifold (14). The first and second manifolds (12, 14) include a primary fluid channel (20, 30) extending between a fluid port and a first branched region, a plurality of secondary fluid channels (24, 34) fluidly connected to the primary fluid channel at the first branched region, and a first overlap region of the plurality of secondary fluid channels downstream of the first branched region and connected to the core. The plurality of secondary fluid channels are interleaved at the first overlap region such that a first layer of secondary fluid channels of the first manifold forms a first flow layer within the core, a first layer of secondary fluid channels of the second manifold forms a second flow layer within the core, and the first flow layer is adjacent and parallel to the second flow layer.

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

A method of delidding an integrated circuit (IC) package includes directing a laser beam along a cut line of an integrated circuit package. The cut line defines a removable portion, the cutting occurs along the cut line, and the removable portion is removed after the directing. A method of troubleshooting an integrated circuit package is also disclosed.

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

A hybrid airfoil thrust bearing is provided for a shaft (602) including a thrust disc (603) that rotates with the shaft. The hybrid airfoil thrust bearing includes airfoil bearing components (610) and passive magnetic bearing components (630). The hybrid airfoil bearing components include a first top foil (611) immediately adjacent to a first side of the thrust disc and surrounding the shaft, first additional components (612), a second top foil (613) immediately adjacent to a second side of the thrust disc and surrounding the shaft and second additional components (614). The passive magnetic bearing components are integrated into the thrust disc and into the first and second additional components to remove a static load of the thrust disc on the first top foil and on the second top foil.

A fuel system a main fuel pump sub-system (MFP) (102) with an inlet for receiving a supply of fuel from an inlet line. The MFP has a main outlet line configured to supply fuel to a main fuel throttle valve assembly (MFTV), and a cross-over outlet line. A variable displacement pump sub-system (VDPP) (124) has a first inlet connected in fluid communication with the cross-over outlet line, a second inlet connected to a branch of the main outlet line, a first outlet line configured to connect to supply fuel to the MFTV, and a second outlet line configured to connect to supply fuel to an actuation system.

A flow control device having: a composition gradient defining a first coefficient of thermal expansion and a second coefficient of thermal expansion that differs from the first coefficient of thermal expansion; and a thermoelectric junction (150) operationally coupled to the composition gradient, wherein the composition gradient is formed of either of a plurality of dissimilar metals or of plastic with fillings or fibers.

Zusammenfassung wird geladen …

A fuel system includes a main fuel pump sub-system (MFP) (102) with an inlet for receiving a supply of fuel from an inlet line. The MFP has a main outlet line configured to supply fuel to a main fuel throttle valve assembly (MFTV) (110), a first cross-over outlet line, and a second cross-over outlet line. An augmentor fuel pump sub-system (ABFP) (114) has an inlet connected in fluid communication with the first cross-over outlet line, and an outlet connected in fluid communication with a main augmentor supply line. A variable displacement pump sub-system (VDPP) (124) has an inlet connected in fluid communication with the second cross-over outlet line, a first outlet line configured to connect to supply fuel to the MFTV, and a second outlet line configured to connect to supply fuel to an actuation system.

An airfoil, having: a body (10) defining a leading edge (10A) and a trailing edge (10B), wherein the body comprises: a base (70) having an outer boundary (80) extending longitudinally from a first end (310) to a second end (320) and transversely from a first side (330) to a second side (340); and beads (90) within the outer boundary, wherein each of the beads has a bead void (100), and wherein one or more of the beads includes: a damping element (95) within the bead void; or a stiffening element (105) extending across the bead.

An airfoil having: a composition gradient defining a first coefficient of thermal expansion and a second coefficient of thermal expansion that differs from the first coefficient of thermal expansion; and a thermoelectric junction (150) operationally coupled to the composition gradient, wherein the composition gradient is formed of either of a plurality of dissimilar metals or of plastic with fillings or fibers.

A locking device having: a composition gradient defining a first coefficient of thermal expansion and a second coefficient of thermal expansion that differs from the first coefficient of thermal expansion; and a thermoelectric junction (150) operationally coupled to the composition gradient, wherein the composition gradient is formed either of a plurality of dissimilar metals or of plastic with fillings or fibers.

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

A hydraulic actuator system includes a hydraulic actuator having a housing (104) with a piston (102) having a piston shaft (103) arranged within the housing. The housing is formed to have first, second and third regions (R1, R2, R3), wherein the first region is between the second and third regions and has a larger major dimension than the second and third regions. The system also includes first, second, and third piston heads (202, 204, 206) connected to the piston shaft with the first piston head being tween the second and third piston, wherein the first position head is within the first region and divides the first region into two volumes, the second piston head is in the second region and defines a first volume and the third piston head is in the third region and defines a fourth volume. The system also includes a mode selection device (106) operably connected to the first, second, third and fourth volume.

A pressure regulating valve (10) includes an inlet (32), an outlet (34), an internal cavity (50), a first regulating window (52), and a second regulating window (54). Pressurized fluid enters the valve through the inlet at a first pressure, the fluid flows through the first regulating window into and through the internal cavity, and then the fluid flows out through the outlet at a second pressure which is lower than the first pressure. The second regulating window of the valve adds a leakage network that prevents pressure spikes within the valve. Further, the second regulating window is only utilized when the fluid pressure within the valve reaches a pressure limit, aiding in maintaining the desired regulated pressure.

A fuel system a main manifold (102) with an inlet (104) and a plurality of main manifold branches (108). Each valve in a plurality of valves is connected in fluid communication with a respective one of the main manifold branches in the plurality of main manifold branches to receive flow from the main manifold. Each secondary manifold in a plurality of secondary manifolds (110) connects a single one of the valves in the plurality of valves to a pair of secondary manifold branches. Each nozzle in a plurality of fuel nozzles includes a first inlet connected in fluid communication to one of the valves through one of the secondary manifold branches, and a second inlet connected in fluid communication to a different one of the valves through a different one of the secondary manifold branches so each of the fuel nozzles has a redundant connection to the main manifold through two of the valves.

Zusammenfassung wird geladen …

A fuel system can include a main pump assembly (101) having a main fuel pump (103) connected to an input line and configured to pump fuel to a main fuel control (107) via a main fuel control line (109), a recirculation pump (111, 211) connected to the input line, and a fuel recirculation system (117) connected to the recirculation pump (111, 211) and upstream of the main fuel control (107). The fuel recirculation system (117) can be configured to select a mode from a plurality of modes. The plurality of modes can include a recirculation mode and a backup mode. The fuel recirculation system (117) can be configured to recirculate fuel from the recirculation pump (111, 211) to a tank through one or more coolers in the recirculation mode, and to provide fuel to the main fuel control (107) in the backup mode.

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

The present disclosure provides for barrier wall assemblies (e.g., isolation barrier wall assemblies having embossed aluminum sheets coated with dielectric coatings). More particularly, the present disclosure provides for barrier wall assemblies configured to be positioned between electric power distribution components (e.g., positioned between power distribution components of different voltages or different criticality so that a fault in one section or component functional group will not affect adjacent areas).