198results about How to "Saving weight" patented technology

A wind turbine capable of driving multiple electric generators having a ring or shroud structure for reducing blade root bending moments, hub loads, blade fastener loads and pitch bearing loads. The shroud may further incorporate a ring gear for driving an electric generator. In one embodiment, the electric generator may be cantilevered from the nacelle such that the gear on the generator drive shaft is contacted by the ring gear of the shroud. The shroud also provides protection for the gearing and aids in preventing gear lubricant contamination.

A thermally-conductive, electrically insulative interface for conductively cooling a heat-generating source, such as an electronic component, having an associated thermal dissipation member such as a heat sink. The interface is provided as a cured sheet of a curable material formulated as a blend of a curable silicone binder, and a particulate alumina, i.e., aluminum oxide (Al2O3), filler. The interface is observed to exhibit a thermal conductivity of at least about 0.8 W / m-K and a wet dielectric breakdown strength of at least about 475 Vac / mil.

A system and method for controlling an internal combustion engine for low emissions include an inner feedback control loop to control the engine fuel / air ratio with feedback provided by a first exhaust gas sensor and an outer feedback control loop that modifies a reference fuel / air ratio provided to the inner feedback control loop based on feedback signals provided by a second exhaust gas sensor positioned downstream relative to a portion of the catalyst and a third exhaust gas sensor positioned downstream relative to the second exhaust gas sensor. Catalyst gains are determined by modeling the catalyst as an integrator with an unknown gain and estimating the catalyst gain based on the exhaust gas sensors with the gain used to monitor catalyst performance and / or modify the engine fuel / air ratio.

A method for forming a bond between a first and a second shell of a blade is provided. The method comprises the steps of forming a cavity between said first and second blade shells and filling an adhesive into said cavity to form a bond line between said first and second blade shells.

A gear bearing drive provides a compact mechanism that operates as an actuator providing torque and as a joint providing support. The drive includes a gear arrangement integrating an external rotor DC motor within a sun gear. Locking surfaces maintain the components of the drive in alignment and provide support for axial loads and moments. The gear bearing drive has a variety of applications, including as a joint in robotic arms and prosthetic limbs.

A jet engine includes a fan arranged upstream of a core engine having a low pressure compressor, a high pressure compressor, a combustion chamber, a high pressure turbine, and a low pressure turbine. The high pressure turbine is drive-connected to the high pressure compressor. The low pressure turbine is drive-connected through a transmission to the low pressure compressor and to the fan, which are respectively driven in opposite rotation directions. A compressor disk of the low pressure compressor is positioned downstream directly after the fan so that a hub end section of the fan and the compressor disk together form a counter-rotating compressor stage.

A system for contactless inductive energy transmission includes a primary system and a secondary system. The primary system comprises a first modulation unit that is configured to convert an energy signal to a first modulated alternating voltage signal. Furthermore, the primary system comprises a primary element that is configured to inductively transmit the first modulated alternating voltage signal. The secondary system comprises a secondary element that is configured to receive the first modulated alternating voltage signal. Moreover, the primary system comprises a primary control unit and a first measuring unit configured to determine a first parameter of the system and to transmit it to the primary control unit. Therein, the primary control unit is configured, depending on the first parameter, to determine whether at least one electrically conductive foreign object is located in the inductive transmission path between the primary element and the secondary element.

A bottle carrier made of a foldable flat material, particularly cardboard, comprising a top wall, a bottom wall, side walls interconnecting the top wall and bottom wall at the sides, and a handle portion extending across the top wall and into two opposed side walls which is defined by weakening lines in the top wall and the side walls, has a strip-shaped central portion in the top wall and two fork-shaped end portions each of which extends into an adjoining side wall from the top wall and is joined to the side wall at the outer ends.

A razor handle having a body portion and a rigid head portion including a V-shaped pair of spaced arms, each arm having a reticulated structure having a first end for connection to the rigid head portion, a bearing member at a second end of the arm opposite the first end for connection to a razor head, and a pair of side walls connected by a series of transverse stiffeners.

The invention relates to a battery cell (1) for pre-stressed battery modules (13). The invention further relates to corresponding pre-stressed battery modules (13) and corresponding production methods. The battery cell (1) has a cell housing (3) and a chemicals carrier (9). The chemicals carrier (9) is arranged in the cell housing (3). The cell housing (3) has a bulging design.

A transfer chamber for a substrate processing tool includes a main body having side walls adapted to couple to at least one processing chamber and at least one load lock chamber. The main body houses at least a portion of a robot adapted to transport a substrate between the processing chamber and the load lock chamber. A lid couples to and seals a top of the main body of the transfer chamber. The transfer chamber also has a domed bottom adapted to couple to and to seal a bottom portion of the main body of the transfer chamber.

A printed circuit board (PCB) assembly is provided. The PCB assembly is adapted for mounting at least one heat-generating electrical device and providing integrated heat dissipating capability to dissipate heat generated by the electrical device. The PCB assembly has a top surface and a bottom surface and comprises a signal carrying layer and an insert of pyrolytic graphite (PG). The signal carrying layer, disposed between the top surface and the bottom surface, comprises a material that is both thermally conductive and electrically conductive (such as at least one of aluminum, copper, and silver and alloys thereof) and has at least a portion lying in a first plane. The insert of PG is disposed within at least a portion of the first plane of the signal carrying layer, is in thermal contact with the signal carrying layer, and is constructed and arranged to have its greatest electrical conductivity in the first plane. Optionally, a conductive via can be formed in portions of the signal carrying layer not occupied by the insert of PG, where the conductive via operably couples a first side of the signal carrying layer to a second side of the signal carrying layer.

A printed circuit board (PCB) assembly is provided. The PCB assembly is adapted for mounting at least one heat-generating electrical device and providing integrated heat dissipating capability to dissipate heat generated by the electrical device. The PCB assembly has a top surface and a bottom surface and comprises a signal carrying layer and an insert of pyrolytic graphite (PG). The signal carrying layer, disposed between the top surface and the bottom surface, comprises a material that is both thermally conductive and electrically conductive (such as at least one of aluminum, copper, and silver and alloys thereof) and has at least a portion lying in a first plane. The insert of PG is disposed within at least a portion of the first plane of the signal carrying layer, is in thermal contact with the signal carrying layer, and is constructed and arranged to have its greatest electrical conductivity in the first plane. Optionally, a conductive via can be formed in portions of the signal carrying layer not occupied by the insert of PG, where the conductive via operably couples a first side of the signal carrying layer to a second side of the signal carrying layer.

Optical element having an optical surface, which optical surface is adapted to a non-spherical target shape, such that a long wave variation of the actual shape of the optical surface with respect to the target shape is limited to a maximum value of 0.2 nm, wherein the long wave variation includes only oscillations having a spatial wavelength equal to or larger than a minimum spatial wavelength of 10 mm.

A refrigeration unit for an aircraft galley comprises a frame establishing a main compartment, and a side window that receives a side access compartment, where a the dividing wall separates the side compartment interior space from a main chilled compartment. A side door mounted to the side access compartment allows access to the side compartment but not the main compartment, allowing segregation of snacks and items accessible to passengers via self-serve from those that are only distributed by flight attendants.

A pressurized gas container associates with and supplies gas to a pressurized gas port of an appliance, such as for supplying carbon dioxide for the preparation of a carbonated drink. The container has a plug at its opening that has a barrier element that seals the container and is configured to be non-reversibly ruptured by a shaft of a gas-channeling member. The plug also has one or more sealing elements that are distinct from the barrier element and are configured for forming a gas-tight association with the shaft of the gas-channeling member. A plurality of such pressurized containers may be carried by a holder rack in a multipack. An appliance adapted for preparing or dispensing carbonated drink includes an adapter for associating with such a pressurized carbon dioxide-containing canister and for receiving the pressurized carbon dioxide therefrom.

The invention relates to a drive system for rotating a wheel of an aircraft landing gear. The drive system includes a motor operable to rotate a drive pinion, and a driven gear adapted to be mounted to the wheel. The drive system has a first configuration in which the drive pinion is capable of meshing with the driven gear to permit the motor to drive the driven gear and a second configuration in which the drive pinion is not capable of meshing with the driven gear. The drive system further includes a lock-stay including a first lock link and a second lock link pivotally connected to the first lock link, the lock-stay being switchable between a first position, a second position, and an intermediate position between the first and second positions in which the first and second lock links are substantially aligned. The lock-stay is in the first position when the drive system is in the first configuration and the lock-stay is in the second position when the drive system is in the second configuration. Also, an aircraft landing gear including a wheel and the drive system according in which the driven gear is mounted to the wheel.

The present invention relates to an engine integrated auxiliary power unit. The engine comprises a high pressure spool which includes a high pressure compressor connected to a high pressure turbine and a low pressure spool which includes a low pressure compressor connected to a low pressure turbine. The engine further has a system for independently operating the high pressure spool and thus allowing the high pressure spool to function as an auxiliary power unit.

A flameless boiler comprising generator means for generating heat in fluid circulated therethrough by shearing of the fluid; a prime mover drivingly connected to the generator means for shearing of the fluid; a supply reservoir for the fluid; a first pump for circulating the fluid from the supply reservoir to the generator means; and a pressure vessel in fluid communication with the generator means for receiving heated fluid therefrom, the pressure vessel having an outlet for drawing steam therefrom.

The invention concerns an aircraft high-lift system with a drive system, components for transmitting the drive energy over the entire wing span to drive stations of individual segments of landing flap / slat flap systems, and with overload protection. According to the invention, the overload protection consists of electrical load sensors positioned at the drive-energy in-take points of the individual power trains on the flaps.

An electrical drive system for an aircraft includes: at least one first and one second electrical direct voltage sources for supplying a direct voltage, and a first and a second electrical machine modules configured to convert electrical alternating voltage into mechanical movement and vice versa. The first and second modules are connected to a first and a second power inverters, respectively. The first and second inverters are connected in series and the first and the second direct voltage sources are connected in series to generate an overall direct voltage to which the inverters are connected. The power inverters each has one voltage measuring device for measuring the power inverter direct voltage present at the respective inverter and a power inverter control device for controlling the operation of the inverters in accordance with the power inverter direct voltage.

An extendable wing system for a fluid-born body has a forward wing and an aft wing pivotably coupled together at a location outward of their wing roots. A linkage mechanism mounted on the body provides both pivoting of the wing roots about a pivot point and translation of the wing roots and their pivot points to extend the joined wings from a stowed position to a deployed position. Translation of the forward wing root pivot point allows the stowed wing system to occupy additional space toward the nose of the body, thereby allowing use of wings having a longer wingspan and greater aspect ratio. The linkage mechanism can also be used to incorporate flight control, such as roll and pitch control, directly into the wing system. In another embodiment, the wings can incorporate actuator elements on or within the wings to effect flight control by deformation of the wing structure.

A self-inking marking device having adjustable print bands configured to be adjustable by a single adjustment knob, with a readily viewable display for viewing the current status of the print interface. In an embodiment, a self-inking marking device generally includes a display interface, an upper body, a lower body, adjustment components, and printing components. The printing components include components to affect a unique self-inking method that utilizes an ink roller that inks the die while rolling along the surface of the die plate.

Method, systems, and apparatus include a communication device configured to receive a data unit in accordance with a power line communications protocol, to extract data within the data unit to provide extracted data, and to process the extracted data in accordance with a non-power line communication protocol. Embodiments also describe a communication device configured to format data according to a non-power line communication protocol as part of a data unit conforming to a power line communication protocol, to redundantly encode the data unit across a plurality of subcarriers in accordance with the second communication protocol, and to transmit the data unit in accordance with the second communication protocol to another communications device.