[특허]Magnetic disk apparatus having improved arrangement of head disk assemblies

Magnetic disk apparatus having improved arrangement of head disk assemblies 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G11B-005/12
출원번호	US-0638822 (1991-01-08)
우선권정보	JP-0008327 (1990-01-19)
발명자 / 주소	Hirano Yoshiyuki (Yono JPX) Takahashi Tsuyoshi (Odawara JPX) Naruse Jun (Odawara JPX) Nakagoshi Kazuo (Odawara JPX)
출원인 / 주소	Hitachi, Ltd. (Tokyo JPX 03)
인용정보	피인용 횟수 : 50 인용 특허 : 0

초록 ▼

A magnetic head disk apparatus has a housing with one thicknesswise end providing the front side and the other thicknesswise end providing the rear side of the apparatus. The apparatus further has a plurality of head disk assemblies each including at least one combination of a magnetic head and a magnetic disk. The head disk assemblies are arranged in a plurality of rows not only in heightwise and breadthwise directions but also in the thicknesswise direction of the housing. With this arrangement, it is possible to accommodate a multiplicity of head disk assemblies with a high space factor in the housing.

대표청구항 ▼

A magnetic disk apparatus comprising: a housing having a front side, a rear side, a top side, a bottom side and a longitudinal axis running perpendicular to and intersecting said front side and said rear side; a plurality of head disk units arranged in said housing in a plurality of rows including at least front and rear rows which are spaced from each other in a direction of said longitudinal axis and forming a front space between said front row of the head disk units and said front side of the housing and a rear space between said rear row of the head disk units and said rear side of the housing, each of said plurality of head disk units including a head disk assembly and a control circuit board, each of said head disk units being surrounded by a cover in each direction except two longitudinal sides of the head disk unit which are intersected in a perpendicular manner by said longitudinal axis or by a line parallel to said longitudinal axis which runs perpendicular to and intersects said front side and said rear side so as to provide a longitudinal air passage through each of said head disk units via said two longitudinal sides; a central air passage provided near a center of said housing in such a manner as to space adjacent front and rear rows of said head disk units, said central air passage communicating with an outer space of the housing through the bottom side of the housing; fans introducing air front said central air passage into said longitudinal air passage of each head disk unit so as to discharge the air to the top side of the housing through said front space or aid rear space; one or more power sources supplying power to said head disk units, mounted in said housing above said plurality of head disk units; and a discharge opening provided in the vicinity of the top side of the housing through which said air discharged to the top side of the housing is discharged from said housing.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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Magnetic disk apparatus having improved arrangement of head disk assemblies 원문보기

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Magnetic disk apparatus having improved arrangement of head disk assemblies 원문보기

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