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| Number | Title | Issue Date |
| 8152452 | Computer room environmental conditioning unit with translatable blowers A conditioning unit can allow the blower to be easily translated from a first operable position in the conditioning unit to a second operable position external to the conditioning unit. The translation of the blower does not require the disconnection of the blower a... | 04/10/2012 |
| 8118084 | Heat exchanger and method for use in precision cooling systems An improved precision cooling system for high heat density applications comprises a heat exchanger having more fluid outlet conduits than fluid inlet conduits to optimize the pressure drop across the heat exchanger at a given fluid flow rate. The heat exchanger may ... | 02/21/2012 |
| 8067917 | Hysteresis mitigation and control method A system and control method mitigates hysteresis of an adjustable component in the system. A control module can allow small control changes to be effected to the component within limits of the component's and/or the system's normal hysteresis band. The control metho... | 11/29/2011 |
| 8063671 | Driving circuit of switch device The present invention relates to a driving circuit of switch device. The present invention employs transformer isolated driving. The number of said transformers is two. The primary sides of the two transformers are connected to two driving modulators, respectively. ... | 11/22/2011 |
| 8063643 | System and method for measuring battery internal resistance In one aspect the present disclosure relates to a system for measuring an internal resistance of a battery. The system may involve: a processor; a load module responsive to the processor for applying a load across the battery; a current sense subsystem for sensing t... | 11/22/2011 |
| 8060321 | System and method for detecting an electrical short across a static switch of an uninterruptible power supply A monitoring system for detecting a short circuit condition in a switching subsystem of a bypass input of a power supply. The system may comprise a voltage monitoring subsystem for monitoring a voltage across at least one component of the switching subsystem and gen... | 11/15/2011 |
| 8035944 | Power supply system with adaptive blown fuse detection using negative sequence component Existing measurements of an input component (such as voltage or current) in a three phase power supply system are decomposed into a negative sequence component. The negative sequence component, which is significantly higher when a rectifier fuse is blown, is compare... | 10/11/2011 |
| 8035250 | System and method for load sharing in multi-module power supply systems A load sharing, multi-module power supply system for supplying power to a load. The system may involve: a first power supply module having a controller, and having a first per unit capacity (pu-c); a second power supply module having a controller, and having a secon... | 10/11/2011 |
| 8011200 | Cooling fluid flow regulation distribution system and method The disclosure provides systems and methods for regulating and distributing cooling fluid through a plurality of heat sinks, such as cold plates, using a flow regulator, which sets the total flow rate, in combination with one or more individual orifices that allow f... | 09/06/2011 |
| 8001681 | Assembly identification by mounting configuration The present disclosure provides a method for identification of an electronic assembly, when used multiple times in a larger system, to change its location status in a system based on its mounting configuration. The mounting configuration dictates the identification ... | 08/23/2011 |
| 7992013 | Adaptive capacity power supply Methods and systems are disclosed for automatically tracking and controlling the capacity ratings of UPS units. The methods and systems provide a central server or repository for storing the capacity ratings, grant kVA and grant code authorized for each UPS unit alo... | 08/02/2011 |
| 7987248 | Self-configuring IP addressable devices utilizing two ethernet protocol IP ports The present invention is related to a method and apparatus for monitoring and controlling devices comprising connecting an external manager to a communication protocol, connecting a first device to the external manager, assigning an IP address to said first device p... | 07/26/2011 |
| 7987023 | Humidity control for multiple unit A/C system installations An air conditioning (A/C) system that may have a plurality of air conditioning units disposed in different zones of an area that each operate to cool the different zones, a humidity sensor for sensing the humidity in the area, and a controller. The controller may be... | 07/26/2011 |
| 7982335 | Adaptive power strip An adaptive power strip has a power rail. A power entry module and one or more receptacle modules having plug receptacles are mounted on the power rail. The power entry module has a power inlet to which a source of power can be coupled. The power entry module distri... | 07/19/2011 |
| 7969156 | Method and apparatus for monitoring a load Applicants have created an improved method and apparatus for remotely monitoring an electrical load and assessing key attributes of power-related anomalies and line disturbances caused or created by the electrical load and qualifying their conformity to certain expe... | 06/28/2011 |
| 7932635 | Transfer switch system with neutral current management An electrical power transfer system for selectively connecting a load to a first power source or a second power source includes a first switch having an input selectively connected to the first power source and an output connected to the load. A second switch includ... | 04/26/2011 |
| 7900468 | Method and apparatus for equalizing a pumped refrigerant system A cooling system is provided that comprises: a refrigerant loop having a pump; an evaporator heat exchanger thermally coupled to a heat source, the evaporator plumbed in the loop; a condensing heat exchanger and a receiver plumbed in the loop; and an equalizing cond... | 03/08/2011 |
| 7895855 | Closed data center containment system and associated methods A containment system includes a control unit comprising a cooling system and a control panel in communication with the cooling system. The containment system also includes a containment unit in communication with the control unit for containing a plurality of electr... | 03/01/2011 |
| 7888818 | Substation based high voltage uninterruptible power supply A power supply includes an isolation transformer. The isolation transformer includes a primary winding and N secondary windings, where N is an integer. The primary winding receives a first alternating current voltage. Each of the N secondary windings generates a sec... | 02/15/2011 |
| 7888816 | Method and apparatus for maintaining uninterruptible power supplies A system and method of isolating an uninterruptible power supply system is disclosed that comprises bypassing an inverter section of the power supply to couple primary power to a load bus; and, thereafter, isolating the power supply by simultaneously uncoupling the ... | 02/15/2011 |
| 7886983 | Condensation prevention system and methods of use A method of preventing condensation on equipment inside a temperature-controlled enclosure comprises measuring the temperature in at least one location inside the enclosure. The temperature inside the enclosure is compared with a safe temperature, at which the risk ... | 02/15/2011 |
| 7864552 | Intelligent sensorless control of a phase controlled rectifier An uninterruptible power supply (“UPS”) has a phase-controlled rectifier coupled to a source of AC power and having an output providing a DC bus, the output of the phase-controlled rectifier coupled to an inverter. A first controller generates a firing angle for... | 01/04/2011 |
| 7860955 | Self-configuring IP addressable devices utilizing two ethernet protocol IP ports The present invention is related to a method and apparatus for monitoring and controlling devices comprising connecting an external manager to a communication protocol, connecting a first device to the external manager, assigning an IP address to said first device p... | 12/28/2010 |
| 7857214 | Intelligent track system for mounting electronic equipment The present invention provides an intelligent track system generally mounted in a network, server, or telecom rack/enclosure rack rail that can sense the spaces, such as “U” spaces, used by electronic equipment, shelving, or blanking panels and provide such info... | 12/28/2010 |
| 7856716 | Method for assembling a plurality of tubes to a tubesheet A method for assembling a plurality of tubes to a tubesheet. A first end of each of the tubes is situated over a corresponding support rod that extends from a pattern block of the fixture. A first end of a plurality of locating members is inserted into a second end ... | 12/28/2010 |
| 7839642 | Heat-sink brace for fault-force support A support system for an electrical device arranges the plurality of heat-sink assemblies in an orientation that allows the forces associated with an electrical fault that are transferred to the support structure to be reduced. The arrangement allows the electrical f... | 11/23/2010 |
| 7788940 | Electronic equipment cabinet with integrated, high capacity, cooling system, and backup ventilation The disclosure provides an improved cooling system and associated cabinet for electronic equipment, and optionally, a backup ventilation system for cooling related failures. Generally, the disclosure includes a high capacity closed loop refrigeration system in a mod... | 09/07/2010 |
| 7679909 | Integral swivel hydraulic connectors, door hinges, and methods and systems for their use The present disclosure describes swivel hinge assemblies for use in rotatably mounting two structures together, such that the structures are in fluid communication by way of fluid flow, as well as systems including such hinge assemblies. The swivel hinge assemblies ... | 03/16/2010 |
| 7668624 | Maximized battery run-time in a parallel UPS system An uninterruptible power supply (UPS) includes a plurality of UPS modules. Each of the UPS modules has a battery that provides power to a protected load in the event of a utility power failure. A plurality of controllers control how much power each of the batteries ... | 02/23/2010 |
| 7667351 | Method for pulse width modulation synchronization in a parallel UPS system A method for pulse width modulated pulse synchronization in a parallel UPS system uses the locally measured critical bus voltage to detect a zero crossing and adjust the PWM pulse to coincide with the zero crossing. No communication between the units is required to ... | 02/23/2010 |
| 7602609 | Cooling system and method of use A system of cooling and method of use that includes a connector having a data reader capable of reading a wireless identifier and/or a breaker box capable of routing liquid cooling to at least one server. In a preferred embodiment, both the quick connector and the b... | 10/13/2009 |
| 7598880 | Wireless battery monitoring system and method A wireless battery monitoring system and method include a receiver and a plurality of wireless transmitters. The transmitters are connectable to a corresponding battery and are encoded to identify the corresponding battery. The transmitters are programmed to transmi... | 10/06/2009 |
| 7566988 | Method and apparatus for monitoring UPS power sources An uninterruptible power supply (UPS) system includes a first UPS module that has a first power source, a second power source and a controller operable to selectively connect the first or second power source to a load. A second UPS module is connected in parallel wi... | 07/28/2009 |
| 7511229 | Sensor module, system, and method for sensors in proximity to circuit breakers The present disclosure provides a method and system for mounting a current transformer in proximity to a circuit breaker of an electrical system. Generally, a plurality of current transformers (CTs) are provided to measure a plurality of branches from a main power s... | 03/31/2009 |
| 7508669 | Cooling device for an electronic component, especially for a microprocessor A cooling device (1) for an electronic component (3), especially for a microprocessor, includes a heat sink (7, 9), which can be connected to the electronic component (3) to be cooled, such that the waste heat generated by the electronic ... | 03/24/2009 |
| 7496285 | Multi-pass parallel-tube heat exchanger A multi-pass parallel tube heat exchanger is disclosed. The multi-pass parallel tubes heat exchanger provides a compact, light and inexpensive heat exchanger that may be oriented in any direction. These features and others make the disclosed exchanger ideal for use ... | 02/24/2009 |
| 7489051 | Adaptive power system with improved efficiency and distribution space reduction The present disclosure provides a method and system using a power protector, such as an uninterruptible power supply (power protector) or a power line conditioner. An input of the power protector can be coupled to an output of one or more of circuit breakers using e... | 02/10/2009 |
| 7477501 | System and method of mounting current transducers in proximity to circuit breakers The present disclosure provides a method and system for mounting a current transformer in proximity to a circuit breaker of an electrical system. Generally, a sensor assembly contains a plurality of current transformers (CTs) for measuring power wires from a main po... | 01/13/2009 |
| 7459804 | Static transfer switch device and method Devices and methods for improved voltage source transfer switching. First and second voltage sources (primary and alternate) are connectable to a load via corresponding first and second switches, which may comprise SCRs. A controller operates the switches according ... | 12/02/2008 |
| 7453235 | Modular uninterruptible power supply A modular uninterruptible power supply is disclosed, which provides complete redundancy for all components required for UPS operation. Novel aspects of the invention include design of the modules and their interconnection and interoperability, as well as improved op... | 11/18/2008 |
