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    2.
    发明专利
    未知

    公开(公告)号：DE69111634D1

    公开(公告)日：1995-09-07

    申请号：DE69111634

    申请日：1991-02-04

    Applicant: IBM

    Inventor： BOLTON IVOR WILLIAM ,  GAUNT DAVID SYDNEY ,  CASTLE FRANK ERIC

    IPC: G11B33/12 ,  G11B33/14 ,  H05K7/20

    Abstract: Electrical apparatus is described which may include one or more electrical devices, each being located in a corresponding one of a plurality of device positions defined in a first section of a housing. The system further includes at least one brushless dc motor driven centrifugal fan, and a power supply unit. In operation, the fans provide forced air cooling of the devices and power supply. Each of the devices is selected from a plurality of possible device types, each device type presenting a different impedance to the flow of cooling air.

    DISK FILE EMPLOYING DUAL FILTERS
    6.
    发明专利
    DISK FILE EMPLOYING DUAL FILTERS 未知

    公开(公告)号：CA1337726C

    公开(公告)日：1995-12-12

    申请号：CA557631

    申请日：1988-01-28

    Applicant: IBM

    Inventor： BOLTON IVOR WILLIAM ,  GIBBONS RICHARD NICHOLAS

    IPC: G11B25/04 ,  G11B33/14 ,  G11B23/50

    Abstract: A disk file 10 employs at least two filters 15,16 for removal of airborne particles, one filter 16 having a relatively coarse mesh and a relatively high rate of airflow and the other 15 having a relatively fine mesh and a relatively low rate of airflow.The fine filter 15 may be combined with a third, breather filter 30 which removes particles from air entering the disk enclosure. The main purpose of the coarse filter 16 is to remove the larger, more damaging particles very rapidly, thereby reducing the risk of damage to the surfaces of the disks 12.

    DATA STORAGE SYSTEM WITH DEVICE DEPENDENT FLOW OF COOLING AIR
    7.
    发明专利
    DATA STORAGE SYSTEM WITH DEVICE DEPENDENT FLOW OF COOLING AIR 未知

    公开(公告)号：GB2241101A

    公开(公告)日：1991-08-21

    申请号：GB9003473

    申请日：1990-02-15

    Applicant: IBM ,  TECHWORK

    Inventor： BOLTON IVOR WILLIAM ,  HAMPER ALBERT NORMAN ,  GAUNT DAVID SYDNEY ,  GRAY DAVID JOHN

    IPC: G06F1/20 ,  G11B33/14 ,  H05K7/20 ,  G11B33/12

    Abstract: A multimedia data storage system including a compartmentalised drawer (20) which can be tailored to accommodate the differing cooling requirements of different device types thus allowing each device type to be mounted in any device position. A cover (20) in the form of a frame having a plurality of openings (42) fits onto the front of the drawer. A first device type includes a front bezel (22) which fills one opening in the cover and is cooled by air passing through a number of holes located along the length of the lower surface of the frame. A second device type (12) is cooled by air passing through a louvred panel (46) located in one opening in the cover. The panel includes a blanking member (62) which blocks off the frame cooling holes located in front of the second device type. Thus, for this device type, there is no air flow through the cooling holes. In addition, noise coming through the holes from inside the drawer is reduced.

    DISC FILE HAVING AT LEAST TWO FILTERS
    8.
    发明专利
    DISC FILE HAVING AT LEAST TWO FILTERS 未知

    公开(公告)号：GB2202076A

    公开(公告)日：1988-09-14

    申请号：GB8705274

    申请日：1987-03-06

    Applicant: IBM

    Inventor： BOLTON IVOR WILLIAM ,  GIBBONS RICHARD NICHOLAS

    IPC: G11B25/04 ,  G11B33/14 ,  G11B23/50

    Abstract: A disk file 10 employs at least two filters 15,16 for removal of airborne particles, one filter 16 having a relatively coarse mesh and a relatively high rate of airflow and the other 15 having a relatively fine mesh and a relatively low rate of airflow. The fine filter 15 may be combined with a third, breather filter 30 which removes particles from air entering the disk enclosure. The main purpose of the coarse filter 16 is to remove the larger, more damaging particles very rapidly, thereby reducing the risk of damage to the surfaces of the disks 12.

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