Abstract: An improved liquid cooled apparatus for transferring large torques magnetically with a primary rotary member and a secondary rotary member as is set forth in U.S. Pat. No. 7,294,947. The primary rotary member has permanent magnets, the secondary rotary member with electro-conductive materials. Both of said rotors being encased in a liquid tight casing enclosure and said rotors both being liquid cooled to allow for power transfers in excess of 260 KW and 1000 ft·lb torque.

Abstract: An end cap for a light fixture is described herein. The end cap can include a body having at least one wall and at least one coupling feature, where the at least one wall has an inner surface and an outer surface, and where the at least one coupling feature is configured to couple the body to another component of the light fixture. The end cap can also include a first knockout disposed in the at least one wall, where the first knockout is configured to be removed to generate a first aperture in the at least one wall, where the first aperture is configured to receive a first electrical enclosure. The end cap can further include a second knockout disposed in the at least one wall, where the second knockout is configured to be removed to generate a second aperture in the at least one wall.

Abstract: For travel on a cable, the zipline trolley includes a wheel, a brake, a frame, a hanger, and a lower slot. The wheel is disposed on a proximal end of a frame. The wheel includes a groove that receives a cable at a lower portion of the wheel and a wheel bearing. The brake is disposed on a distal end of the frame. The brake is connected to a given lever point and includes a groove along a brake bottom that receives the cable. The frame includes an array of lever points disposed between the brake and the wheel. The hanger is connected to a given lever point and suspends a weight. The weight applies a force about the wheel to the brake to control a rate of descent of the device along the cable. The lower slot receives the cable.

Abstract: A luminaire includes a light transmission unit and a light source that are disposed in a housing assembly of the luminaire such that light emitted from the light source enters a lightguide panel of the light transmission unit through an edge of the lightguide panel and exits the lightguide panel through a surface of the lightguide panel that is substantially perpendicular to the edge. A length of the luminaire along its long side is greater than a width of the luminaire along its short side, while a height of the luminaire with or without any appropriate electronic component that is mounted thereto is less than the width of the luminaire as well as a width of an aperture of a recessed installation structure, such as a T-grid frame or a drywall frame, through which the luminaire is to be installed. The luminaire includes grid clips for recessed installation.

Abstract: A luminaire includes a housing that houses a light transmission unit therein. The housing includes a back plate that has an uplight opening. The uplight opening is covered by a detachable panel that is removably coupled to the back plate. The light transmission unit includes a lightguide that receives light through the side edges and emits light through the major surfaces thereof. Further, the light transmission unit includes a reflector panel. In one example, the reflector panel is detachable to form an opening that allows light from the lightguide panel to pass through. In another example, the reflector panel includes patterned openings that allow light from the lightguide panel to pass through. The reflector panel is disposed in between one of the major surfaces of the lightguide panel and the back plate. The reflector segment and detachable panel comprise uplight features that are configured to provide uplight.

Abstract: A frame piece of a frame for a luminaire is disclosed. The frame piece can include an inner surface, a first frame coupling feature disposed at a first end of the frame piece, and a second frame coupling feature disposed at a second end of the frame piece. The first frame coupling feature can be configured to mechanically couple to the second frame coupling feature of a first adjacent frame piece. The second frame coupling feature can be configured to mechanically couple to the first frame coupling feature of a second adjacent frame piece. The inner surface forms a partial opening through which a light source component can traverse.

Abstract: A friction clip includes a coupling portion having a coupling element, a middle portion adjacent the coupling portion, and an end portion adjacent the middle portion and opposite the coupling portion. The middle portion includes a bent out tab having a first interference edge configured to engage an internal wall of a first canister having a first diameter and the end portion includes a second interference edge configured to engage an internal wall of a second canister having a second diameter. Alternatively, a multi-part friction clip includes a first member that is couplable to a light module, and a second member that is removably couplable to the first member. The second member includes a coupling portion configured to removably engage with the first member, a middle portion having a bent out tab that includes a first interference edge, and an end portion that includes a second interference edge.

Abstract: A lighting device includes a housing and a power connector attached to the housing. The lighting device also includes a wireless lighting control device positioned inside the housing. The wireless lighting control device includes a wireless transceiver to wirelessly receive lighting control instructions and a control interface circuitry compatible with a lighting fixture driver. The wireless lighting control device further includes a controller communicably coupled to the wireless transceiver and to the control interface circuitry. The controller is configured to control the control interface circuitry based on the lighting control instructions received by the wireless transceiver.

Abstract: For travel on a cable, the zipline trolley includes a wheel, a brake, a frame, a hanger, and a lower slot. The wheel is disposed on a proximal end of a frame. The wheel includes a groove that receives a cable at a lower portion of the wheel and a wheel bearing. The brake is disposed on a distal end of the frame. The brake is connected to a given lever point and includes a groove along a brake bottom that receives the cable. The frame includes an array of lever points disposed between the brake and the wheel. The hanger is connected to a given lever point and suspends a weight. The weight applies a force about the wheel to the brake to control a rate of descent of the device along the cable. The lower slot receives the cable.

Abstract: For travel on a cable, the zipline trolley includes a wheel, a brake, a frame, a hanger, and a lower slot. The wheel is disposed on a proximal end of a frame. The wheel includes a groove that receives a cable at a lower portion of the wheel and a wheel bearing. The brake is disposed on a distal end of the frame. The brake is connected to a given lever point and includes a groove along a brake bottom that receives the cable. The frame includes an array of lever points disposed between the brake and the wheel. The hanger is connected to a given lever point and suspends a weight. The weight applies a force about the wheel to the brake to control a rate of descent of the device along the cable. The lower slot receives the cable.

Abstract: A friction clip includes a coupling portion having a coupling element, a middle portion adjacent the coupling portion, and an end portion adjacent the middle portion and opposite the coupling portion. The middle portion includes a bent out tab having a first interference edge configured to engage an internal wall of a first canister having a first diameter and the end portion includes a second interference edge configured to engage an internal wall of a second canister having a second diameter. Alternatively, a multi-part friction clip includes a first member that is couplable to a light module, and a second member that is removably couplable to the first member. The second member includes a coupling portion configured to removably engage with the first member, a middle portion having a bent out tab that includes a first interference edge, and an end portion that includes a second interference edge.

Abstract: A distributed low voltage power system is disclosed herein. The system can include a power source generating line voltage power, and a first line voltage cable having a first line voltage end and a second line voltage end, where the first line voltage end is coupled to the power source. The system can also include a first power distribution module (PDM) comprising a first power transfer device and a first output channel. The system can further include a first LV cable having a first LV end and a second LV end, where the first LV end is coupled to the first output channel of the first PDM. The system can also include at least one first LV device operating on the first LV signal, where the second LV end of the first LV cable is coupled to the at least one first LV device.

Abstract: A frame piece of a frame for a luminaire is disclosed. The frame piece can include an inner surface, a first frame coupling feature disposed at a first end of the frame piece, and a second frame coupling feature disposed at a second end of the frame piece. The first frame coupling feature can be configured to mechanically couple to the second frame coupling feature of a first adjacent frame piece. The second frame coupling feature can be configured to mechanically couple to the first frame coupling feature of a second adjacent frame piece. The inner surface forms a partial opening through which a light source component can traverse.

Abstract: Disclosed is a brake system for aircraft that uses a control unit that is configured to control actuators at each wheel using one channel operating an associated brake control module, and other actuators at the same wheel using a second module operated completely independently using a second module. The use of the first and second groups of actuators are alternated periodically, e.g., for each flight.

Abstract: A friction clip includes a coupling portion having a rotating coupling element, a middle portion adjacent the coupling portion, and an end portion adjacent the middle portion and opposite the coupling portion. The middle portion includes a bent out tab having a first interference edge configured to engage an internal wall of a first canister having a first diameter and the end portion includes a second interference edge configured to engage an internal wall of a second canister having a second diameter. Alternatively, a multi-part friction clip includes a first member that is couplable to a light module, and a second member that is removably couplable to the first member. The second member includes a coupling portion configured to removably engage with the first member, a middle portion having a bent out tab that includes a first interference edge, and an end portion that includes a second interference edge.

Abstract: An end cap for a light fixture is described herein. The end cap can include a body having at least one wall and at least one coupling feature, where the at least one wall has an inner surface and an outer surface, and where the at least one coupling feature is configured to couple the body to another component of the light fixture. The end cap can also include a first knockout disposed in the at least one wall, where the first knockout is configured to be removed to generate a first aperture in the at least one wall, where the first aperture is configured to receive a first electrical enclosure. The end cap can further include a second knockout disposed in the at least one wall, where the second knockout is configured to be removed to generate a second aperture in the at least one wall.

Abstract: An end cap for a light fixture is described herein. The end cap can include a body having at least one wall and at least one coupling feature, where the at least one wall has an inner surface and an outer surface, and where the at least one coupling feature is configured to couple the body to another component of the light fixture. The end cap can also include a first knockout disposed in the at least one wall, where the first knockout is configured to be removed to generate a first aperture in the at least one wall, where the first aperture is configured to receive a first electrical enclosure. The end cap can further include a second knockout disposed in the at least one wall, where the second knockout is configured to be removed to generate a second aperture in the at least one wall.

Abstract: A power management device and microprocessor within a System-in-Package (SiP) are provided with communication signals externally available as outputs from the SiP so that they can be configured by an external device. Methods for the configuration of SiPs and Power Management Integrated Circuits (PMICs) packaged within a SiP are also provided.

Abstract: Systems and methods for the design and use of a System-in-Package (SiP) device with a connection layout for minimizing a system Printed Circuit Board (PCB) using the SiP are provided.