摘要:
A relocatable power tap includes surge suppression or surge protection for affording improved safety, in which the metal oxide varistors (“MOVs”) of the surge protectors or surge suppressors are encased in cement or concrete, and which relocatable power tap is preferably formed as part of an electrical power strip. The method for manufacturing the relocatable power tap includes the step of encasing the metal oxide varistors (“MOVs”) of the surge protector, or surge suppressor, in cement or concrete, or similar fire-resistant material.
摘要:
An apparatus for controlling a power distribution to devices has a power inlet to be connected to a power source, a primary power outlet to be connected to a primary device, at least one secondary power outlet to be connected to at least one secondary device, a sensing unit for sensing when a current level falls below a threshold in response to the primary device being turned off and when the current level raises above a threshold in response to the primary device being turned on, an executing unit for interrupting a power supply to the at least one secondary power outlet when the sensing unit senses the currents level below the threshold and supplying power to the at least one secondary power outlet when the sensing unit senses the current level above the threshold correspondingly, and a unit for setting the threshold for interrupting a power supply lower than the threshold for supplying power to the at least one secondary outlet.
摘要:
A device for controlling a power distribution to subsystems which has a power input to be connected to a power source, a primary power output to be connected to a primary device, at least one secondary power output to be connected to at least one secondary device; sensing unit for sensing when a current level falls below a threshold in response to the primary device being turned off and when the level current raises above a threshold in response to the primary device being turned on; and executing unit operatively connected with the sensing unit and operative for interrupting a power supply to the at least one secondary device when the sensing unit sense the current level below the threshold and supplying power to the at least one secondary device when the sensing unit sense the current level above the threshold corresepondingly.
摘要:
A stacked arrangement of metal oxide varistors includes a plurality of metal oxide varistors with each metal oxide varistor of the plurality of metal oxide varistors having a first lead on a first surface and a second lead on a second surface, the first surface and the second surface being opposite facing surfaces of each metal oxide varistor. The first lead and the second lead of adjacent metal oxide varistors, when placed in a stacked arrangement, are arranged, preferably asymmetrically, so as not to interfere with one another, thereby result in a more compact stacking of metal oxide varistors, as compared to arrangements known to the state of the art. The stacked arrangement of metal oxide varistor can be mounted on printed circuit boards, in addition to a variety of other uses.
摘要:
An apparatus for controlling electrical power distribution to an electrical charging device includes a power input that is to be connected to a power source for receiving electrical current from the power source and a power output that is to be connected to at least one electrical charging device having a run mode and a standby mode for supplying the electrical current to the one or more electrical charging devices. A device for sensing when the electrical current to the electrical charging device is below a predetermined threshold, when the electrical charging device is in the standby mode, and for sensing when the electrical current is above the predetermined threshold when the electrical charging device is in the run mode is provided, along with a device for interrupting the electrical current to the electrical charging device when the electrical current falls below the predetermined threshold as the electrical charging device transitions from the run mode to the standby mode as determined by the sensing device. A further device resets and powers the electrical charging device when the electrical current increases above the predetermined threshold as the electrical charging device transitions from the standby mode to the run mode as deter-mined by the sensing device.
摘要:
Determination of the location of an error condition or a failure includes receiving at a network interface a first framed digital signal from customer premises equipment, and determining whether the first framed digital signal indicates a failure. Overhead bits are modified in the first framed digital signal to generate a second framed digital signal, such that the modification is equivalent to insertion of errors into the first framed digital signal at a bit error ratio (BER) of not greater than a predetermined ratio, if the first framed digital signal indicates a failure. The second framed digital signal is then sent from the network interface in place of the first framed digital signal to indicate that the failure reported by the first framed digital signal is located in the customer premises equipment. Otherwise, if no failure is indicated, the first framed digital signal is transmitted without any modifications.
摘要:
An apparatus for controlling a power distribution to subsystems includes a power input that is to be connected to a power source and a primary power output to be connected to a primary device, along with at least one secondary power output, which is to be connected to at least one secondary device. A sensing device is included for sensing when a current level falls below a first predetermined threshold, in response to the primary device being turned off, deactivated or “on standby,” as well as for sensing when the current level rises above a second predetermined threshold in response to the primary device being turned “on” or activated. An executing device is connected with the sensing device and is operative for interrupting a power supply to, at least, one secondary device when the sensing device senses that the current level has fallen below the threshold. Alternatively, the executing device is able to supply power to one or more secondary devices when the sensing device senses that the current level is above the threshold.
摘要:
Provided is an offset tandem axle assembly system with a pair of walking beams mounted to suspension hangers so that about sixty percent of the overall beam length is oriented between the hanger pivot and a non-driven axle and about forty percent of the overall beam length is oriented between the hanger pivot and the driven axle. A torque rod pivotally connects the non-driven axle to each suspension beam. A single resilient air spring mounted between the non-driven axle and each suspension beam dampens loading and rebound for both the driven and non-driven axles. The non-driven axle can be either a tag axle or a push axle and may be self steering.
摘要:
A device for controlling a power distribution to subsystems which has a power input to be connected to a power source, a primary power output to be connected to a primary device, at least one secondary power output to be connected to at least one secondary device; sensing unit for sensing when a current level falls below a threshold in response to the primary device being turned off and when the level current raises above a threshold in response to the primary device being turned on; and executing unit operatively connected with the sensing unit and operative for interrupting a power supply to the at least one secondary device when the sensing unit sense the current level below the threshold and supplying power to the at least one secondary device when the sensing unit sense the current level above the threshold correspondingly; and means for limiting voltage across said sensing means so as to limit heat produced by said sensing means but at the same time to allow tripping of said sensing means.