Patent application number | Description | Published |
20090195977 | DATA CENTER COOLING - A system for restricting mixing of air in a data center includes a plurality of racks, each of the racks having a front face and a back face. The system includes an enclosure for collecting air released from the back faces of the plurality of racks, the enclosure configured to substantially contain the air in an area between the first row and the second row and having a roof panel coupled to the first row of racks and the second row of racks configured to span a distance between the first row of racks and the second row of racks. The enclosure is configured to maintain a first air pressure inside of the enclosure that is substantially equal to a second air pressure outside the enclosure. | 08-06-2009 |
20090259343 | COOLING SYSTEM AND METHOD - A method of manipulating a cooling system of a data center includes designing a cooling system to address cooling needs in the data center, selecting components for the cooling system including one or more distribution boxes adapted to distribute coolant, one or more cooling racks, and flexible tubing to connect the one or more distribution boxes to the one or more cooling racks, assembling the components for the cooling system in the data center, operating the cooling system, identifying hot spots within the data center, and adjusting the location of one or more cooling racks in the data center based on the indentified hot spots in the data center. | 10-15-2009 |
20100061057 | HOT AISLE CONTAINMENT PANEL SYSTEM AND METHOD - An air containment system includes a plurality of panel assemblies configured to be arranged in side-to-side relation to form a ceiling. In one embodiment, each panel assembly includes a flexible panel having a first end, a second opposite end, a first side and a second opposite side, a first end connector configured to secure the first end of the flexible panel to one of a rack and a wall, and a second end connector configured to secure the second end of the flexible panel to one of a rack and a wall. Other embodiments of the air containment system and related methods are further disclosed. | 03-11-2010 |
20100154438 | ICE THERMAL STORAGE - A system, configured to be disposed in a information technology equipment rack for providing ice thermal storage, includes a tank configured to hold water, a heat exchanger disposed in water in the tank and configured to convey a two-phase liquid and vapor refrigerant and to transfer heat between the water and the refrigerant, a first valve connected to a liquid and a vapor refrigerant line and configured to selectively connect the liquid refrigerant line to a first port and the vapor refrigerant line to a second port in a first mode and to connect the liquid refrigerant line to the second port and the vapor refrigerant line to the first port in a second mode, a thermostatic expansion valve connected to an inlet of the heat exchanger, and a liquid/vapor pump connected to an outlet of the heat exchanger and to the second port of the first valve. | 06-24-2010 |
20100165572 | DATA CENTER COOLING - A system for restricting mixing of air in a data center includes a plurality of racks, each of the racks having a front face, and a back face. The system includes an enclosure for collecting air released from the back faces of the plurality of racks, the enclosure configured to substantially contain the air in an area between the first row and the second row and having a roof panel coupled to the first row of racks and the second row of racks configured to span a distance between the first row of racks and the second row of racks. The enclosure is configured to maintain a first air pressure inside of the enclosure that is substantially equal to a second air pressure outside the enclosure. | 07-01-2010 |
20100170663 | MODULAR ICE STORAGE FOR UNINTERRUPTIBLE CHILLED WATER - A backup cooling storage system comprising at least one cooling and storage unit configured to cool a liquid supply using a quantity of cooled material when a main chiller of the liquid supply is not operational, and at least one chilling element configured to generate the quantity of cooled material for the at least one cooling and storage unit when the main chiller of the liquid supply is operational. Additional embodiments and methods are further disclosed. | 07-08-2010 |
20100186517 | METHOD AND SYSTEM FOR DETECTING AIR PRESSURE NEUTRALITY IN AIR CONTAINMENT ZONES - An airflow detecting system includes a tubular structure having an inner surface defining an interior of the tubular structure, one open end and an opposite open end. The tubular structure is configured to receive and expel air through both the one end and the opposite end. The system further includes a flap connected to the inner surface of the tubular structure by a hinge. The flap is configured to impede airflow within the interior of the tubular structure upon the application of differential pressure across the two ends of the tubular structure. The system further includes a device attached to the flap in a position in which the device spans the hinge. The device is configured to measure a parameter associated with the movement of the flap in response to airflow within the interior of the tubular structure. Other embodiments and methods are further disclosed. | 07-29-2010 |
20100188816 | HOT AISLE CONTAINMENT COOLING SYSTEM AND METHOD - An air containment cooling system for containing and cooling air between two rows of equipment racks includes a canopy assembly configured to enclose a hot aisle defined by the two rows of equipment racks, and a cooling system embedded within the canopy assembly. The cooling system is configured to cool air disposed within the hot aisle. Other embodiments and methods for cooling are further disclosed. | 07-29-2010 |
20100300129 | SYSTEMS AND METHODS FOR DETECTING REFRIGERANT LEAKS IN COOLING SYSTEMS - A method of detecting loss of refrigerant within a cooling system of the type having a condenser, a refrigerant receiver in fluid communication with the condenser, a sensor configured to detect a level of refrigerant within the receiver, an evaporator in fluid communication with the receiver, and a pump or compressor in fluid communication with the evaporator and the condenser, includes establishing a baseline measurement of refrigerant mass contained in the receiver with the sensor during certain power loads applied to the cooling system, monitoring a mass of refrigerant in the receiver with the sensor at a certain power load applied to the cooling system, and identifying whether the monitored mass of refrigerant is less than the baseline measurement of refrigerant mass over a predetermined period of time. Systems for detecting loss of refrigerant are further disclosed. | 12-02-2010 |
20100300650 | CONTAINER AIR HANDLING UNIT AND COOLING METHOD - A modular cooling system configured to treat IT air generated by a data center includes a frame and a plurality of cooling sub-system modules supported by the frame. The plurality of cooling sub-system modules are configured to operate in parallel to achieve total cooling effect or a lesser cooling effect with some level of redundancy within the data center. Each cooling sub-system module includes a housing configured to support cooling equipment, an air-to-air heat exchanger supported by the housing to cool IT air generated by the data center, the air-to-air heat exchanger having at least one tube configured to direct IT from one end of the air-to-air heat exchanger to an opposite end of the air-to-air heat exchanger and configured so that outdoor air circulates around the at least one tube, and a mechanical cooling system supported by the housing. The mechanical cooling system is configured to receive IT air treated by the air-to-air heat exchanger and to provide further cooling to the treated IT air. Other embodiments of the cooling system and methods of cooling are further disclosed. | 12-02-2010 |
20100305775 | SYSTEMS AND METHODS FOR CONTROLLING LOAD DYNAMICS IN A PUMPED REFRIGERANT COOLING SYSTEM - A pumped refrigerant cooling system for use in a row of equipment racks is configured to contain electronic equipment. The system includes a communication network and a refrigerant distribution unit in fluid communication with a chilled refrigerant supply and a heated refrigerant return. A cooling module is in fluid communication with the refrigerant distribution unit by a supply line and a return line. The cooling module is coupled to the communication network, and includes an evaporator and a fan configured to direct air over the evaporator. A sensor package is configured to monitor temperature and pressure reference points provided in the pumped refrigerant cooling system and the equipment racks. The system further includes a controller forming part of the cooling module and coupled to the communication network and the sensor package. The controller, based on information obtained from the sensor package, is configured to manipulate the flow of refrigerant through the evaporator by controlling the delivery of refrigerant to the evaporator and is configured to manipulate the flow of air over the evaporator by controlling the speed of the fan. | 12-02-2010 |
20100307716 | HOT AISLE CONTAINMENT COOLING UNIT AND METHOD FOR COOLING - A cooling unit, which is configured to contain and cool air between two rows of equipment racks defining a hot aisle, includes a housing configured to be secured mounted on the two rows of equipment racks such that the housing spans the hot aisle, a heat exchanger supported by the housing and coupled to and in fluid communication with a coolant supply and a coolant return, and an air movement assembly supported by the housing and configured to move air over the heat exchanger. Other embodiments of the cooling unit and methods of cooling are further disclosed. | 12-09-2010 |
20110103014 | Data Center Cooling - A system for restricting mixing of air in a data center includes a plurality of racks, each of the racks having a front face and a back face. The system includes an enclosure for collecting air released from the back faces of the plurality of racks, the enclosure configured to substantially contain the air in an area between the first row and the second row and having a roof panel coupled to the first row of racks and the second row of racks configured to span a distance between the first row of racks and the second row of racks. The enclosure is configured to maintain a first air pressure inside of the enclosure that is substantially equal to a second air pressure outside the enclosure. | 05-05-2011 |
20120012283 | HOT AISLE CONTAINMENT COOLING UNIT AND METHOD FOR COOLING - A cooling unit, which is configured to contain and cool air between two rows of equipment racks defining a hot aisle, includes a housing configured to be secured mounted on the two rows of equipment racks such that the housing spans the hot aisle, a heat exchanger supported by the housing and coupled to and in fluid communication with a coolant supply and a coolant return, and an air movement assembly supported by the housing and configured to move air over the heat exchanger. Other embodiments of the cooling unit and methods of cooling are further disclosed. | 01-19-2012 |
20120067136 | SYSTEM AND METHOD FOR AIR CONTAINMENT ZONE PRESSURE DIFFERENTIAL DETECTION - An air pressure differential sensing system includes a conduit defining an air passage through which air flows upon application of an air pressure differential across different regions of the air passage, a flap pivotally connected to the conduit, and a sensing device mounted proximate to the air passage and separate from the flap. The flap is configured to move about a pivotal axis in response to the air flowing through the air passage. The sensing device is configured to sense an angular position of the flap about the pivotal axis, the angular position of the flap being a function of the air pressure differential. | 03-22-2012 |
20120167670 | SYSTEM AND METHOD FOR AIR CONTAINMENT ZONE AIR LEAKAGE DETECTION - A system for measuring hot or cold aisle containment air leakage in a data center includes a plurality of equipment enclosures arranged in a first row and a second row, a plurality of panels cooperatively arranged with the plurality of equipment enclosures to form an air containment region, and a conduit mounted within the air containment region and sealed at each end, the conduit having an orifice and a plurality of openings distributed at substantially uniform intervals along a length of the conduit. | 07-05-2012 |
20120229972 | HOT AISLE CONTAINMENT COOLING SYSTEM AND METHOD - An air containment cooling system for containing and cooling air between two rows of equipment racks includes a canopy assembly configured to enclose a hot aisle defined by the two rows of equipment racks, and a cooling system embedded within the canopy assembly. The cooling system is configured to cool air disposed within the hot aisle. Other embodiments and methods for cooling are further disclosed. | 09-13-2012 |
20120231722 | DATA CENTER COOLING - A system for restricting mixing of air in a data center includes a plurality of racks, each of the racks having a front face and a back face. The system includes an enclosure for collecting air released from the back faces of the plurality of racks, the enclosure configured to substantially contain the air in an area between the first row and the second row and having a roof panel coupled to the first row of racks and the second row of racks configured to span a distance between the first row of racks and the second row of racks. The enclosure is configured to maintain a first air pressure inside of the enclosure that is substantially equal to a second air pressure outside the enclosure. | 09-13-2012 |
20120298219 | SYSTEM AND METHOD FOR AIR CONTAINMENT ZONE PRESSURE DIFFERENTIAL DETECTION - An air pressure differential sensing system includes a conduit defining an air passage through which air flows upon application of an air pressure differential across different regions of the air passage, a flap pivotally connected to the conduit, and a sensing device mounted proximate to the air passage and separate from the flap. The flap is configured to move about a pivotal axis in response to the air flowing through the air passage. The sensing device is configured to sense an angular position of the flap about the pivotal axis, the angular position of the flap being a function of the air pressure differential. | 11-29-2012 |
20130139530 | METHOD AND APPARATUS FOR COOLING - A method of calculating net sensible cooling capacity of a cooling unit includes measuring a discharge pressure from of fluid from a compressor and a suction pressure from an evaporator, calculating a condensing temperature of fluid flowing from the compressor and an evaporating temperature of fluid flowing from the evaporator, calculating a mass flow rate of fluid flowing from the compressor, calculating enthalpy of fluid flowing from the compressor, of fluid flowing from the thermal expansion valve, and of fluid flowing from the evaporator, calculating a mass flow rate of fluid flowing through the hot gas bypass valve, and calculating net sensible cooling capacity. Embodiments of cooling units and other methods are further disclosed. | 06-06-2013 |
20130232994 | MODULAR ICE STORAGE FOR UNINTERRUPTIBLE CHILLED WATER - A backup cooling storage system comprising at least one cooling and storage unit configured to cool a liquid supply using a quantity of cooled material when a main chiller of the liquid supply is not operational, and at least one chilling element configured to generate the quantity of cooled material for the at least one cooling and storage unit when the main chiller of the liquid supply is operational. Additional embodiments and methods are further disclosed. | 09-12-2013 |
20140013827 | SYSTEM AND METHOD FOR AIR CONTAINMENT ZONE AIR LEAKAGE DETECTION - A system for measuring hot or cold aisle containment air leakage in a data center includes a plurality of equipment enclosures arranged in a first row and a second row, a plurality of panels cooperatively arranged with the plurality of equipment enclosures to form an air containment region, and a conduit mounted within the air containment region and sealed at each end, the conduit having an orifice and a plurality of openings distributed at substantially uniform intervals along a length of the conduit. | 01-16-2014 |
20150007596 | SYSTEMS AND METHODS FOR COMPUTER ROOM AIR CONDITIONING - A cooling system includes a condenser and first and second cooling circuits. The condenser is configured to condense refrigerant to a liquid. The first cooling circuit includes a direct expansion valve coupled to the condenser, a first evaporator coil coupled to the direct expansion valve, and a compressor coupled to the first evaporator coil. The first cooling circuit receives at least a first portion of the liquid refrigerant and output first refrigerant vapor, and the compressor receives the first refrigerant vapor and output a compressor refrigerant output to the condenser. The second cooling circuit includes a pump coupled to the condenser, an economizer valve coupled to the pump, and a second evaporator coil coupled to the economizer valve. The second cooling circuit receives at least a second portion of the liquid refrigerant and output a second vapor refrigerant to the condenser. | 01-08-2015 |