Abstract: Hydrogen generation assemblies and methods of generating hydrogen are disclosed. In some embodiments, the method may include receiving a feed stream in a fuel processing assembly of the hydrogen generation assembly; and generating a product hydrogen stream in the fuel processing assembly from the received feed stream. Generating a product hydrogen stream may, in some embodiments, include generating an output stream in a hydrogen generating region from the received feed stream, and generating the product hydrogen stream in a purification region from the output stream. The method may additionally include receiving the generated product hydrogen stream in a buffer tank of the hydrogen generation assembly; and detecting pressure in the buffer tank via a tank sensor assembly. The method may further include stopping generation of the product hydrogen stream in the fuel processing assembly when the detected pressure in the buffer tank is above a predetermined maximum pressure.

Abstract: Hydrogen generation assemblies and methods of generating hydrogen are disclosed. In some embodiments, the method may include receiving a feed stream in a fuel processing assembly of the hydrogen generation assembly; and generating a product hydrogen stream in the fuel processing assembly from the received feed stream. Generating a product hydrogen stream may, in some embodiments, include generating an output stream in a hydrogen generating region from the received feed stream, and generating the product hydrogen stream in a purification region from the output stream. The method may additionally include receiving the generated product hydrogen stream in a buffer tank of the hydrogen generation assembly; and detecting pressure in the buffer tank via a tank sensor assembly. The method may further include stopping generation of the product hydrogen stream in the fuel processing assembly when the detected pressure in the buffer tank is above a predetermined maximum pressure.

Abstract: Hydrogen generation assemblies and methods of generating hydrogen are disclosed. In some embodiments, the method may include receiving a feed stream in a fuel processing assembly of the hydrogen generation assembly; and generating a product hydrogen stream in the fuel processing assembly from the received feed stream. Generating a product hydrogen stream may, in some embodiments, include generating an output stream in a hydrogen generating region from the received feed stream, and generating the product hydrogen stream in a purification region from the output stream. The method may additionally include receiving the generated product hydrogen stream in a buffer tank of the hydrogen generation assembly; and detecting pressure in the buffer tank via a tank sensor assembly. The method may further include stopping generation of the product hydrogen stream in the fuel processing assembly when the detected pressure in the buffer tank is above a predetermined maximum pressure.

Abstract: Hydrogen generation assemblies and methods of generating hydrogen are disclosed. In some embodiments, the method may include receiving a feed stream in a fuel processing assembly of the hydrogen generation assembly; and generating a product hydrogen stream in the fuel processing assembly from the received feed stream. Generating a product hydrogen stream may, in some embodiments, include generating an output stream in a hydrogen generating region from the received feed stream, and generating the product hydrogen stream in a purification region from the output stream. The method may additionally include receiving the generated product hydrogen stream in a buffer tank of the hydrogen generation assembly; and detecting pressure in the buffer tank via a tank sensor assembly. The method may further include stopping generation of the product hydrogen stream in the fuel processing assembly when the detected pressure in the buffer tank is above a predetermined maximum pressure.

Abstract: Hydrogen generation assemblies and methods of generating hydrogen are disclosed. In some embodiments, the method may include receiving a feed stream in a fuel processing assembly of the hydrogen generation assembly; and generating a product hydrogen stream in the fuel processing assembly from the received feed stream. Generating a product hydrogen stream may, in some embodiments, include generating an output stream in a hydrogen generating region from the received feed stream, and generating the product hydrogen stream in a purification region from the output stream. The method may additionally include receiving the generated product hydrogen stream in a buffer tank of the hydrogen generation assembly; and detecting pressure in the buffer tank via a tank sensor assembly. The method may further include stopping generation of the product hydrogen stream in the fuel processing assembly when the detected pressure in the buffer tank is above a predetermined maximum pressure.

Abstract: Hydrogen generation assemblies and methods of generating hydrogen are disclosed. In some embodiments, the method may include receiving a feed stream in a fuel processing assembly of the hydrogen generation assembly; and generating a product hydrogen stream in the fuel processing assembly from the received feed stream. Generating a product hydrogen stream may, in some embodiments, include generating an output stream in a hydrogen generating region from the received feed stream, and generating the product hydrogen stream in a purification region from the output stream. The method may additionally include receiving the generated product hydrogen stream in a buffer tank of the hydrogen generation assembly; and detecting pressure in the buffer tank via a tank sensor assembly. The method may further include stopping generation of the product hydrogen stream in the fuel processing assembly when the detected pressure in the buffer tank is above a predetermined maximum pressure.

Abstract: A rack assembly includes a base frame having a base member, a lateral brace along a first edge of the base member, and a vertical stub extending upward from a corner of the base member, the vertical stub including first and second stub walls oriented substantially perpendicularly to each other; a side frame including a generally U-shaped vertical bracket; and a generally U-shaped gusset having an upper portion and a lower portion in which the one gusset wall is substantially parallel to and offset with respect to the upper portion. The upper portion of the gusset is attached to the vertical bracket so as to form a first gap between the one gusset wall and a corresponding vertical bracket wall, and a second gap is formed between another bracket wall and the lower portion of the corresponding gusset wall, the gaps being adapted to receive the vertical stub walls.

Abstract: A locking lever for a removable rack rail includes a base plate, a body plate mounted to the base plate so as to be pivotable about a pivot point between a first position and a second position with respect to the base plate, a tang extending in a lateral direction from the body plate, and a finger tab extending from the body plate for actuating the body plate to pivot about the pivot point with respect to the base plate, wherein when the body plate is in the second position the tang is at least partially recessed so that an end portion of the locking lever can fit in a slot on a mounting rail, and wherein when the body plate is in the first position the tang extends laterally beyond the lateral edge of the base plate so that the end portion cannot be removed from the slot.

Abstract: Hydrogen generation assemblies and their components are disclosed. In some embodiments, the assemblies may include a pump controller configured to select a flowrate from a plurality of flowrates based on detected pressure, and to operate the pump at the selected flowrate. In some embodiments, the assemblies may include a purge valve assembly configured to allow at least one pressurized gas to flow through a purge conduit from a pressurized gas assembly to a fuel processing assembly when power to the fuel processing assembly is interrupted. In some embodiments, the assemblies may include a damper controller configured to move a damper between fully open and closed positions based, at least in part, on detected temperature in a hydrogen-producing region. In some embodiments, the assemblies may include a reformer controller configured to operate a fuel processing assembly between run and standby modes based, at least in part, on detected pressure.

Abstract: A power isolation system and method is disclosed. The system includes a transformer suitable for use in the power isolation system, and a semiconductor device electrically connected to the transformer to provide a reduction of the inrush current associated with powering the transformer, wherein the semiconductor device is activated upon power up based upon the previous shutdown state of the power isolation system to provide a soft start to the transformer, and after activation of the transformer, the semiconductor device is shorted in the system.

Abstract: A video screen mounting system including a vertical post having a mounting wall, a base supporting the vertical post, a cross beam having a body, a mounting leg extending rearwardly from the body, and at least one mounting channel located on one or more of a front, a top, and a bottom of the body, and a bracket removably mountable on the mounting wall of the vertical post and having a frontwardly extending flange for receiving and retaining the mounting leg of the cross beam.

Abstract: A locking lever for a removable rack rail includes a base plate, a body plate mounted to the base plate so as to be pivotable about a pivot point between a first position and a second position with respect to the base plate, a tang extending in a lateral direction from the body plate, and a finger tab extending from the body plate for actuating the body plate to pivot about the pivot point with respect to the base plate, wherein when the body plate is in the second position the tang is at least partially recessed so that an end portion of the locking lever can fit in a slot on a mounting rail, and wherein when the body plate is in the first position the tang extends laterally beyond the lateral edge of the base plate so that the end portion cannot be removed from the slot.

Abstract: A rack assembly includes a base frame having a base member, a lateral brace along a first edge of the base member, and a vertical stub extending upward from a corner of the base member, the vertical stub including first and second stub walls oriented substantially perpendicularly to each other; a side frame including a generally U-shaped vertical bracket; and a generally U-shaped gusset having an upper portion and a lower portion in which the one gusset wall is substantially parallel to and offset with respect to the upper portion. The upper portion of the gusset is attached to the vertical bracket so as to form a first gap between the one gusset wall and a corresponding vertical bracket wall, and a second gap is formed between another bracket wall and the lower portion of the corresponding gusset wall, the gaps being adapted to receive the vertical stub walls.

Abstract: A fastener assembly comprising a fastener with a head having a first surface and second surface, and a shaft extending from the second surface of the head. An annular washer is rotatably disposed about the shaft and rotatable relative to the second surface of the fastener head. The washer has an inner diameter, an outer diameter, a first surface and a second, the first surface being positioned adjacent to the second surface of the head. A plurality of identical conical projections extend out from the second surface of the washer and are formed integrally therewith.

Abstract: A video screen mounting system including a vertical post having a mounting wall, a base supporting the vertical post, a cross beam having a body, a mounting leg extending rearwardly from the body, and at least one mounting channel located on one or more of a front, a top, and a bottom of the body, and a bracket removably mountable on the mounting wall of the vertical post and having a frontwardly extending flange for receiving and retaining the mounting leg of the cross beam.

Abstract: A grounding or bonding assembly comprising a strap or wire having multiple ends, with at least one end electrically connected to a clamp. The clamp includes a clamping means such as a screw and a penetrating means such as a spike. When the clamp is mounted on a structure and pressure is applied by means of the screw, the spike digs into the structure's surface and creates a low impedance electrical connection.

Abstract: A power isolation system and method is disclosed. The system includes a transformer suitable for use in the power isolation system, and a semiconductor device electrically connected to the transformer to provide a reduction of the inrush current associated with powering the transformer, wherein the semiconductor device is activated upon power up based upon the previous shutdown state of the power isolation system to provide a soft start to the transformer, and after activation of the transformer, the semiconductor device is shorted in the system.

Abstract: A grounding or bonding assembly comprising a strap or wire having multiple ends, with at least one end electrically connected to a clamp. The clamp includes a clamping means such as a screw and a penetrating means such as a spike. When the clamp is mounted on a structure and pressure is applied by means of the screw, the spike digs into the structure's surface and creates a low impedance electrical connection.

Abstract: In one aspect of the invention a smart air filter monitoring system for a cabinet for electronic devices is provided that includes: an air filter positioned in an air flow so that substantially all the air flows through the filter, the air flow being defined by the cabinet; a light emitting device on a first side of the air filter; at least two light sensors mounted near the air filter, each light sensor directed to the air filter to receive light emitted from the light emitting device after the emitted light has passed through the air filter, the light sensors adapted to generate electrical signals from the emitted light striking the light sensor; an electrical circuit, the electrical circuit generating a signal for indicating that the filter needs to be serviced when the electrical circuit determines that electrical signals received from a combination of the sensors indicates that the filter needs to be serviced.