| Patent application number | Description | Published |
|---|
| 20080304232 | Method for controlling system temperature - A computer-implemented method for cooling a modular computer system having multiple cooling devices and multiple heat-generating modules is disclosed. The method includes the steps of determining the number of cooling device installed in the system; determining the positions of the installed cooling devices; applying predefined cooling device placement rules and signaling an error condition if a cooling device is in an unacceptable location; determining locations of all installed heat-generating modules; and applying the predefined cooling device placement rules and signaling an error condition if an installed heat-generating module is in an unacceptable location. | 12-11-2008 |
| 20080304233 | Method for monitoring temperature of computer components to determine ambient chassis temperature - A computer-implemented method for monitoring temperature of a blade server to determine ambient temperature includes the steps of determining temperatures of each of any installed processing components, and determining a temperature of an administrator component. If there are no processing components installed in the computer chassis, the method reports the ambient temperature as the temperature of the administrator component, and if there are processing components installed in the computer chassis, the method reports the highest temperature value of a processing component which is lower than the temperature value of the administrator module as the ambient temperature. | 12-11-2008 |
| 20080306634 | Method of controlling temperature of a computer system - A computer-implemented method for controlling temperature of a computer system is disclosed. The computer system contains multiple modules and at least one cooling fan. The method contains the steps of collecting thermal data from a first set of modules, calculating an initial fan speed, collecting thermal data from a second set of modules, and recalculating the fan speed to adjust cooling of modules to desired operating temperatures. | 12-11-2008 |
| 20080306635 | Method of optimizing air mover performance characteristics to minimize temperature variations in a computing system enclosure - A computer-implemented method optimizes air mover performance to minimize temperature variations in a computer system enclosure. The computer system includes one or more modules and at least one air mover. The method includes collecting thermal data from the modules; using the collected thermal data, determining a maximum value of the thermal data; comparing the determined maximum value of the thermal data to a current maximum value of the thermal data; using the determined and the current maximum values, determining a desired operating characteristic of the air mover; and adjusting the air mover to the desired operating characteristic. | 12-11-2008 |
| Patent application number | Description | Published |
|---|
| 20100254772 | Indirect Cooling of a Cutting Tool - A cutting tool having a cutting element such as an insert is cooled indirectly by a micro-channel heat exchanger that is mounted against the rear face of the insert. The heat exchanger is formed with an internal cavity that receives a coolant such as a cryogen. The cavity may include fins to enhance the removal of heat by the cryogen from the insert. Coolant inlet and outlet tubes are coupled to the interior of the heat exchanger to supply cryogen to the cavity. The flow rate of cryogen required to cool the insert during a given machining operation is less than one percent of the amount of standard coolant required to cool the same insert during the same machining operation. | 10-07-2010 |
| 20100272529 | Indirect Cooling of a Rotary Cutting Tool - An indirect cooling system for a rotating cutting tool uses a cryogenic coolant that is delivered to a cavity formed on the back surface of the cutting element, providing cooling near the cutting edge of the element. Because the total flow rate of the working fluid is low (less than 0.08 Liters/min/cutting edge), the fluid can be safely vented to atmosphere from the cavity, and as a result, no specialized coolant recovery or ventilation equipment is needed. The cavity may be formed with fins to enhance the heat transfer between the cutting element and the coolant, and coolant may additionally be sprayed directly onto the exterior surface of the element to cool the tool-chip interface. The indirect cooling system may be used for hard to machine metals and composites, as well as the machining of conventional materials without the use of traditional cutting fluids. | 10-28-2010 |
| 20100272530 | Device for Axial Delivery of Cryogenic Fluids Through a Machine Spindle - Cryogenic fluids are delivered along an axial path through a machine tool spindle to a cutting tool that is mounted in a standard tool holder. An external source of cryogen is delivered via an insulated line to a junction block housing where the cryogen flows into a vacuum insulated coolant delivery tube mounted on the axis of rotation of the spindle. The coolant delivery tube couples with a cryogenic manifold located in a standard tool holder in the end of the spindle. The cryogenic manifold couples the cryogen to a tool that is mounted in the tool holder. Before a tool change operation, the coolant delivery tube is raised to disconnect it from the cryogenic manifold, and to turn off the flow of cryogen to the delivery tube. | 10-28-2010 |
