Method for improving airflow in subrack mechanics by using a hybrid serial/parallel fan configuration
First Claim
Patent Images
1. A fan module for use in an electronic enclosure, the fan module comprising:
- a housing;
an air intake panel provided in a first side of the housing;
an exhaust panel provided in a second side of the housing;
a plurality of fans, the plurality of fans being successively spaced along a first Cartesian coordinate to allow a portion of the airflow from each fan to flow through each successive fan and a portion of the airflow from each fan to flow around each successive fan and staggered in at least one of a second and third Cartesian coordinate.
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Abstract
Disclosed is an improved fan module for use in an electronic enclosure. The fans are arranged in a hybrid serial parallel configuration which provides both redundant flow of successive fans and the ability to flow around a failed or locked fan to continue airflow. The fans are further arranged in an angled configuration to provide airflow through the enclosure without the need for baffles or other thermodynamic steering devices.
74 Citations
19 Claims
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1. A fan module for use in an electronic enclosure, the fan module comprising:
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a housing;
an air intake panel provided in a first side of the housing;
an exhaust panel provided in a second side of the housing;
a plurality of fans, the plurality of fans being successively spaced along a first Cartesian coordinate to allow a portion of the airflow from each fan to flow through each successive fan and a portion of the airflow from each fan to flow around each successive fan and staggered in at least one of a second and third Cartesian coordinate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A fan module for use in an electronic enclosure, the fan module comprising:
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a housing including an air intake panel provided in a first portion of the housing;
an exhaust panel provided in a second portion of the housing, the second portion of the housing being located at an angle of at least ninety degrees to the first portion;
a plurality of fans, the plurality of fans being successively spaced along a first Cartesian coordinate and staggered in at least one of a second and third Cartesian coordinate, each of the fans being angled to direct air from the air intake panel to the exhaust panel. - View Dependent Claims (10, 11, 12)
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13. An electronic enclosure, comprising:
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a circuit card cage;
a fan module positioned above the circuit card cage, the fan module including an air intake directed at the circuit card cage and an exhaust plate provided adjacent an open area; and
a second air intake provided beneath the circuit card cage;
wherein a plurality of fans are located in the fan module, each of the fans being offset from another of the plurality of fans in at least one Cartesian coordinate and being angled to direct air flow from the air intake to the exhaust plate. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification