An exhaust air removal system and method for use with a rack or enclosure containing equipment is provided. The system and method are configured for removal of exhaust air vented from equipment during operation to thereby remove heat from the equipment. In one aspect, the system includes a fan unit
An exhaust air removal system and method for use with a rack or enclosure containing equipment is provided. The system and method are configured for removal of exhaust air vented from equipment during operation to thereby remove heat from the equipment. In one aspect, the system includes a fan unit preferably configured to serve as a back door of an equipment rack or enclosure and configured to provide access to an interior of the rack or enclosure. The fan unit provides multiple fans coupled to internal exhaust ducts that are arranged to draw and to remove exhaust air vented from rack-mounted equipment. The fan unit is further configured to vent exhaust air to an area external to a rack or enclosure, such as an external exhaust duct or plenum. Removal of hot and warm exhaust air vented from rack-mounted equipment enables the equipment to operate effectively, drawing sufficient amounts of cooling air to meet its cooling requirements. The fan unit is constructed for portability and for easy attachment to and removal from a rack or enclosure, providing flexibility in handling equipment exhaust needs.
대표청구항▼
What is claimed is: 1. An enclosure for containing equipment comprising: a frame disposed within the interior of the enclosure and configured to support the equipment in the enclosure; a door removably connected to the enclosure, the door having a first panel disposed directly adjacent the interior
What is claimed is: 1. An enclosure for containing equipment comprising: a frame disposed within the interior of the enclosure and configured to support the equipment in the enclosure; a door removably connected to the enclosure, the door having a first panel disposed directly adjacent the interior of the enclosure and a second panel spaced from the first panel to define an interior region, a first internal duct and a second internal duct, the first panel defining at least one wall of the first internal duct and the second internal duct, the first and second internal ducts each being configured within the interior region of the door and terminated to an exhaust port located at one of a top and bottom of the door; and a first fan disposed within the interior region of the door and in fluid communication with the first internal duct and a second fan disposed within the interior region of the door and in fluid communication with the second internal duct, the first and second fans drawing air across the equipment into respective first and second internal ducts and out through the exhaust port. 2. The enclosure of claim 1, wherein the first and second fans are disposed within and connected to respective internal ducts such that the interior region of the first and second internal ducts and the equipment enclosed within the interior of the enclosure are in fluid communication. 3. The enclosure of claim 2, wherein the first and second fans are configured to operate at a variable speed or a constant speed. 4. The enclosure of claim 2, further comprising multiple power inputs and a circuitry module electrically coupling the power inputs to the first and second fans, wherein the circuitry module is configured to disconnect a first of the power inputs to the first fan and connect a second of the power inputs to the second fan in response to a loss of power on the first power unit. 5. The enclosure of claim 2, wherein the first and second fans are operatively coupled to a controller, the controller being configured to adjust a speed of the first and second fans in response to at least one of a temperature of air in at least one fan and a temperature of air in at least one internal duct. 6. The enclosure of claim 2, wherein the first and second fans are operatively coupled to a controller, the controller being configured to adjust a speed of at least one fan based on a quantity of power drawn by equipment contained in the enclosure. 7. The enclosure of claim 2, wherein the first internal duct corresponding to the first fan and the second internal duct corresponding to the second fan are each configured and arranged as separate and enclosed ducts in the interior region of the door such that the first internal duct and the second internal duct about equally impede fan-exhausted air. 8. The enclosure of claim 2, wherein the first internal duct corresponding to the first fan includes a minimum cross-section about equal to a minimum cross-section of the second internal duct corresponding to the second fan. 9. The enclosure of claim 2, wherein the first fan draws air and forces the drawn-in air into the first internal duct at a rate about equal to a rate at which the second fan draws air and forces the drawn-in air into the second internal duct. 10. The enclosure of claim 2, further comprising means for detecting at least one of a temperature of air in at least one fan and a temperature of air in at least one internal duct. 11. The enclosure of claim 2, wherein at least one fan of the first and second fans is further disposed in a first port defined in a back panel of the door disposed in facing relation to a first side of the enclosure where the door is connected to the enclosure, the at least one fan being configured to draw air from the interior of the enclosure into its interior and being further configured to vent drawn-in air from its interior into at least one internal duct of the first and second internal ducts. 12. The enclosure of claim 11, wherein the first side of the enclosure includes an exhaust side of the enclosure. 13. The enclosure of claim 2, wherein at least one-fan of the first and second fans is disposed to vent air into at least one internal duct of the first and second internal ducts. 14. The enclosure of claim 13, wherein the door includes a back panel disposed in facing relation to the enclosure where the door is connected to the enclosure, the back panel defining a port configured to seat the at least one fan such that the at least one fan is disposed to draw air from the interior of the enclosure and to vent drawn-in air into the at least one internal duct. 15. The enclosure of claim 2, further comprising a back panel of the door disposed in facing relation to the enclosure where the door is connected to the enclosure, the door defining a port configured and disposed to couple with at least one fan of the first and second fans such that the at least one fan sits in the port and is disposed to draw air from the interior of the enclosure into its interior and to vent drawn-in air from its interior into the interior of at least one duct of the first and second internal ducts. 16. The enclosure of claim 7, further comprising a back panel of the door disposed in facing relation to the enclosure where the door is connected to the enclosure and defining a port configured to seat each of the first fan and the second fan. 17. An enclosure for containing equipment comprising: a frame disposed within the enclosure and configured to support the equipment within an interior of the enclosure; a door connected to the enclosure, the door having a front panel and a back panel, the back panel being in facing relation to the enclosure where the door is connected to the enclosure; a plurality of internal ducts configured within the interior of the door and defined between the front panel and the back panel, the plurality of internal ducts each terminating to an exhaust port, the front panel defining at least one wall of each of the plurality of internal ducts; a plurality of fans disposed within the interior of the door, each fan of the plurality of fans being connected to a respective internal duct of the plurality of internal ducts; and a plurality of ports defined in the back panel in facing relation to the interior of the enclosure, each port of the plurality of ports being disposed and configured to seat a respective fan of the plurality of fans such that each fan provides fluid communication between the interior of the enclosure and the plurality of internal ducts, wherein the plurality of fans are disposed and configured to draw air from the interior of the enclosure and to vent drawn-air through the exhaust port. 18. The enclosure of claim 17, wherein the exhaust port is configured at the top of the door and is further configured and disposed to connect with an external air plenum, the external air plenum being constructed and arranged to deliver exhaust air to an external air conditioner. 19. The enclosure of claim 1, wherein the first fan is adjacent one of a top and a bottom of the enclosure and the second fan is adjacent the other of the top and the bottom of the enclosure. 20. The enclosure of claim 17, wherein a first fan of the plurality of fans is adjacent one of a top and a bottom of the enclosure and a second fan of the plurality of fans is adjacent the other of the top and the bottom of the enclosure. 21. An enclosure for containing equipment comprising: a frame disposed within the interior of the enclosure and configured to support the equipment in the enclosure; a door removably connected to the enclosure, the door having a first panel disposed directly adjacent the interior of the enclosure and a second panel spaced from the first panel to define an interior region, a first internal duct and a second internal duct the first panel defining at least one wall of the first internal duct and the second internal duct, the first and second internal ducts each being configured within the interior region of the door and terminated to an exhaust port located at one of a top and bottom of the door; and a first fan disposed within the interior region of the door adjacent a top of the enclosure and in fluid communication with the first internal duct and a second fan disposed within the interior region of the door adjacent a bottom of the enclosure and in fluid communication with the second internal duct, the first and second fans drawing air across the equipment into respective first and second internal ducts and out through the exhaust port. 22. An enclosure for containing equipment comprising: a frame disposed within the enclosure and configured to support the equipment within an interior of the enclosure; a door connected to the enclosure, the door having a front panel and a back panel, the back panel being in facing relation to the enclosure where the door is connected to the enclosure; a plurality of internal ducts configured within the interior of the door and defined between the front panel and the back panel, the plurality of internal ducts each terminating to an exhaust port, the front panel defining at least one wall of each of the plurality of internal ducts; a plurality of fans disposed within the interior of the door, each fan of the plurality of fans being connected to a respective internal duct of the plurality of internal ducts, wherein a first fan of the plurality of fans is positioned adjacent a top of the enclosure and a second fan of the plurality of fans is positioned adjacent a bottom of the enclosure; and a plurality of ports defined in the back panel in facing relation to the interior of the enclosure, each port of the plurality of ports being disposed and configured to seat a respective fan of the plurality of fans such that each fan provides fluid communication between the interior of the enclosure and the plurality of internal ducts, wherein the plurality of fans are disposed and configured to draw air from the interior of the enclosure and to vent drawn-air through the exhaust port.
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