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1. 发明专利

JP2000074438A Clean room facility 审中-公开
标题翻译：清洁厅设施
公开(公告)号：JP2000074438A
公开(公告)日：2000-03-14
申请号：JP26399398
申请日：1998-09-01
申请人： Hitachi Plant Eng & Constr Co Ltd , 日立プラント建設株式会社
发明人： YOSHIDA HANHAKU , KONISHI SHUNICHI , FUKUI ITSUSHI , MIYAJIMA YUJI
IPC分类号： F24F7/06
摘要： PROBLEM TO BE SOLVED: To hold clean a necessary partially working space for a maintenance or the like by providing a fan filter unit for injecting clean air to an underfloor space of a grating via a grating floor.
SOLUTION: The clean room facility has a grating floor 20. A fan filter unit 26 is installed on a ceiling 24 for forming a clean room 22. The air sucked from a garret space 28 is purified by the unit 26, injected into the room 22, and the room 22 is maintained in a clean atmosphere. Further, the air in the room 22 is guided to an underfloor space 30 via the floor 20, circulated to the space 28 via a circulating passage space 34 at an outside of a sidewall 32 of the room 22, and again supplied to the room 22 via the unit 26.
COPYRIGHT: (C)2000,JPO
摘要翻译：要解决的问题：通过提供用于通过格栅地板将清洁空气喷射到格栅的地板下空间的风扇过滤器单元来保持用于维护等的必要的部分工作空间。解决方案：洁净室设施具有光栅底板20.风扇过滤器单元26安装在用于形成洁净室22的天花板24上。从阁楼空间28吸入的空气被单元26净化，注入房间22 ，并且房间22保持在清洁的气氛中。此外，房间22中的空气经由地板20被引导到底板20，通过在房间22的侧壁32的外部的循环通道空间34循环到空间28，并再次供应到房间22 通过单元26。

2. 发明专利

JPH07183586A MULTILAYER PIEZOELECTRIC ACTUATOR 失效
公开(公告)号：JPH07183586A
公开(公告)日：1995-07-21
申请号：JP34808793
申请日：1993-12-24
申请人： HITACHI PLANT ENG & CONSTR CO
发明人： KAJIWARA KOICHI , HAYATSU MASAKI , FUKUI ITSUSHI
IPC分类号： F03G7/00 , H01L41/083
摘要： PURPOSE:To prevent breakdown of a multilayer piezoelectric element even when an offset load or a force of rotation in the horizontal direction is applied to a pressure top plate, by a construction wherein at least either the side of the multilayer piezoelectric element and the pressure top plate or the side of the multilayer piezoelectric element and a bottom plate is put in spherical joining with each other. CONSTITUTION:The upper surface of a lower support member 26 interposed between the lower end of a multilayer piezoelectric element 18 and a bottom plate 12 is fixed on the lower end face of the multilayer piezoelectric element 18, while a spherical recession 26A is formed in the central part of the lower surface of the member and put in spherical joining with a spherical projection 12A formed in the central part of the bottom plate 12. A spherical recession 24A is formed in the central part of the upper surface of an upper support member 24 and put in spherical joining with a spherical projection 20A formed in the central part of the lower surface of a pressure top plate 20. In the case when the load of an object 36 is not applied uniformly to the pressure top plate 20, but becomes an offset load, the offset load is transmitted to the multilayer piezoelectric element 18 through the part of the spherical joining of the pressure top plate 20 with the upper support member 24. Thereby the offset load acts as a uniform load in the direction of lamination of layers.

3. 发明专利

JPH04362335A VIBRATION ISOLATING EQUIPMENT 失效
公开(公告)号：JPH04362335A
公开(公告)日：1992-12-15
申请号：JP16098991
申请日：1991-06-05
申请人： HITACHI PLANT ENG & CONSTR CO
发明人： HAYATSU MASAKI , FUKUI ITSUSHI , OKA TAKASHI
IPC分类号： F16F15/02 , F16F15/04 , H01L21/02
摘要： PURPOSE:To provide a vibration isolating equipment 10 which can isolate revolving vibration when the revolving vibration is generated in the vibration isolating equipment 10. CONSTITUTION:Each corner part of an instrument loading stand 18 is cut off into a shape of triangle, and a plate member 22 of each cutting piece is connected to each corner part of the instrument loading stand 18 through a thin plate 24 of an elastic material. A mass damper equipment 20 which is constituted of the mass of the plate member 22 and a spring means by the thin plate 24, is installed on each corner part of the instrument loading stand 18. The revolving vibration is cancelled by generating the antiphase vibration to the revolving vibration through the inertial force of the mass damper equipment 20.

4. 发明专利

JPH01135942A VIBRATION ABSORBING UNIT 失效
公开(公告)号：JPH01135942A
公开(公告)日：1989-05-29
申请号：JP29292987
申请日：1987-11-19
申请人： HITACHI PLANT ENG & CONSTR CO
发明人： FUKUI ITSUSHI , TSURUTA AKIRA , HAYATA FUMITAKA , YUGAWA TAKAO , TOYODA NAOKI
IPC分类号： F16F1/40 , F16F15/03 , F16F15/04 , F16M7/00
摘要： PURPOSE:To sufficiently absorb earthquake vibration or environmental vibration, generated in a vibro-isolating quake-isolating bed, by constituting a device alternately piling up an elastic material and a magnetic material and arranging the adjacent fellow magnetic materials so as to attract each other by magnetic force interposing the elastic material. CONSTITUTION:Vibration absorbing units 12 are mounted to a predetermined position on a foundation floor 10. The vibration absorbing unit 12, alternately piling up a rubber plate 14 and a magnetic plate 16, is formed into a column shape. The fellow adjacent magnetic plates 16 are arranged in such a manner as to attract each other by magnetic force interposing the rubber plate 14 in a sandwich state as shown by an arrow head A. In this way, earthquake vibration or environmental vibration, generated in vibro-isolating and earthquake- isolating beds, can be sufficiently absorbed.

5. 发明专利

JPH0544771A VIBRATION ISOLATION DEVICE 失效
公开(公告)号：JPH0544771A
公开(公告)日：1993-02-23
申请号：JP22111091
申请日：1991-08-06
申请人： HITACHI PLANT ENG & CONSTR CO
发明人： FUKUI ITSUSHI , HAYATSU MASAKI , KAJIWARA KOICHI
IPC分类号： F16F15/02
摘要： PURPOSE:To provide a vibration isolation device equipped with a piezoelectric actuator that is able to eliminate a slight vibration in both vertical and horizontal directions generated in an equipment mount. CONSTITUTION:Each of piezoelectric actuators 16 is stacked in pile alternately with each of stabilizers 18 and interposed between a lower stabilizer 14 clamped onto a floor 12 of a factory or the like and an equipment mount 22 on which precision equipment 24 is mounted. In brief, these piezoelectric actuators 16 are made up of layering each of piezo-elements 30 and rubber pieces 32 alternately, and vertical slight vibrations produced in the equipment mount 22 are damped by these elements 30, and simultaneously horizontal slight vibrations are absorbed by means of elastic deformation of the rubber pieces 32, thereby damping these vibrations.

6. 发明专利

JPH0518437A VIBRATION ISOLATING DEVICE 失效
公开(公告)号：JPH0518437A
公开(公告)日：1993-01-26
申请号：JP19593391
申请日：1991-07-10
申请人： HITACHI PLANT ENG & CONSTR CO
发明人： HAYATSU MASAKI , FUKUI ITSUSHI , SUGAWARA MASAHIRO , KAJIWARA KOICHI
IPC分类号： F16F15/02 , F16F15/04
摘要： PURPOSE:To eliminate rotational vibration eventually generated in a vibration isolating device. CONSTITUTION:A damper device 22 includes a screw rod 26 and a weight member 28, wherein one end of the screw rod is fixed to each corner of an apparatus mounting table 20 and its other end extends in cantilever form toward outside of the mounting table 20 while the weight member 28 is fitted reciprocatively in the axial direction of the screw rod 26. The weight member position relative to the screw rod 26 is adjusted through utilization of the rotational vibration generated in this vibration isolating device concerned 10, and a vibration with the contrary phase to this rotational vibration is generated by the damper device 22 to cancel the rotational vibration.

7. 发明专利

JPH0438A VIBRATION REMOVING AND SHOCK ELIMINATING DEVICE 失效
公开(公告)号：JPH0438A
公开(公告)日：1992-01-06
申请号：JP10140790
申请日：1990-04-17
申请人： HITACHI PLANT ENG & CONSTR CO
发明人： HAYATSU MASAKI , FUKUI ITSUSHI , KAJIWARA KOICHI , TAKESHITA AKIJI
IPC分类号： G01D11/30 , F16F15/04 , F16F15/08 , G12B9/08
摘要： PURPOSE:To prevent buckling of the vibration absorbing material by laminating laminated rubbers and stabilizers mutually in a line to form a multistage laminated rubber support, and connecting both the stabilizers rigidly with beam members to connect each multistage laminated rubber support mutually. CONSTITUTION:Stabilizers 30 of each multistage laminated rubber support 26a-26d are connected rigidly with beam members 32 to connect each multistage laminated rubber support mutually, and a bottom stand 12 and an equipment loaded stand 16 are connected with a damping mechanism 28. Consequently, even if the multistage laminated rubber supports 26c-26d in which a line of the vibration absorbing material 18 is laminated are used, buckling of the vibration absorbing material 18 can be prevented. Since the multistage laminated rubber supports 26a-26d in which a line of the laminated rubber 18 is laminated can be used, a vertical load V necessary for lowering a natural frequency of a vibration removing and shock eliminating device to a value less than 1.0Hz can be reduced remarkably. The vibration removing and shock eliminating device can be thereby made light and compact.

8. 发明专利

JPH02246382A PIEZO ACTUATOR AND ACTIVE VIBRATION INSULATING DEVICE 失效
公开(公告)号：JPH02246382A
公开(公告)日：1990-10-02
申请号：JP6877689
申请日：1989-03-20
申请人： HITACHI PLANT ENG & CONSTR CO , FUJITA TAKASHI , TAKENAKA KOMUTEN CO , HITACHI KENSETSU SEKKEI KK
发明人： FUJITA TAKASHI , MURAI NOBUYOSHI , HAYAMIZU HIROSHI , TAKAHASHI YOSHINORI , KATAYAMA KAZUYOSHI , TAKESHITA AKIJI , AKITA KOICHIRO , TSURUTA AKIRA , FUKUI ITSUSHI
IPC分类号： B06B1/06 , H01L41/08 , H01L41/083
摘要： PURPOSE:To control three-dimensional fine vibration and to simplify the structure of a device by attaching a plate material in which a thin filmlike elastic member is interposed in a press-adhering state to the end face in a driving direction, and incorporating elasticity only in a direction perpendicular to the driving direction of a laminated piezo element in the elastic member. CONSTITUTION:An actuator vibration insulating device has a lower trestle 80, a unit mount base 82, piezo actuators 60X-60Z, coil springs 84X, 84Y, a vibration detector 86, etc. On the other hand, the actuator 60 has a laminated piezo element 62, two metal plates 64, 66 and an elastic member 68, the plate 64 is attached to the end face of the element 62 in a laminating direction (driving direction) 70, and the member 68 is interposed in a press-adhered state between the other face and the plate 66. Accordingly, rigidity is provided in the driving direction, and flexibility is provided in a direction perpendicular to the driving direction. Thus, a vibration control is performed even against the fine vibration of micron order, and three-dimensional fine vibration can be preferably controlled with a simple structure.

9. 发明专利

JPH02173433A VIBRATION ABSORBING UNIT 失效
公开(公告)号：JPH02173433A
公开(公告)日：1990-07-04
申请号：JP32831888
申请日：1988-12-26
申请人： HITACHI PLANT ENG & CONSTR CO
发明人： FUKUI ITSUSHI , TSURUTA AKIRA , YUGAWA TAKAO
IPC分类号： F16M7/00 , F16F15/02 , F16F15/023
摘要： PURPOSE:To enable damage to be prevented of vibration converting by shear resistance into slow oscillation the vibration applied to a mounting equipment by immersing a movable plate, suspended by a rope, in a viscous material housed in a unit casing. CONSTITUTION:A vibration absorbing unit 15 is formed by a casing 16, viscous material 17 housed in the casing 16 and a movable plate 19 hung down so as to be movable in the viscous material 17 from an upper part of the casing 16 through a wire rope 18. This rope 18 is connected in its both upper and lower end parts fixed by a stopper pin 20, and the movable plate 19 secures a supporting strut 21 while securing to its upper end part a mounting plate 22. Since a natural vibrative frequency can be changed by changing a length of the rope 18, the movable plate 19 hung thereby oscillates by the natural vibration frequency in no relation to a horizontal vibration from a foundation floor serving as the base part. Then in order to suppress amplitude of the oscillation, the movable plate 19 is constituted, being immersed in the viscous material 17 housed in the casing 16.

10. 发明专利

JPH01135943A VIBRATION ABSORBING UNIT 失效
公开(公告)号：JPH01135943A
公开(公告)日：1989-05-29
申请号：JP29293087
申请日：1987-11-19
申请人： HITACHI PLANT ENG & CONSTR CO
发明人： FUKUI ITSUSHI , TSURUTA AKIRA , YUGAWA TAKAO , TOYODA NAOKI
IPC分类号： F16F1/40 , F16F15/03 , F16F15/04 , F16M7/00
摘要： PURPOSE:To sufficiently absorb earthquake vibration or environmental vibration brought in vibro-isolating and earthquake-isolating beds, by alternately piling up an elastic material and a metal material and compressing the elastic material and the metal material by magnetic force using a magnetic material. CONSTITUTION:Vibration absorbing units 12 are mounted to a predetermined position on a foundation floor 10. The vibration absorbing unit 12, alternately piling up a rubber plate 14 and a metal plate 15, is formed into a column shape. A pair of magnetic materials 16, 17 are arranged in the periphery of a piled structure of the rubber plate 14 and the metal plate 15 and supported to both ends of this piled structure through a flange 19. Hold pressing force acts on the rubber plate 14 and the metal plate 15 by mutually attracting force of the fellow paired magnetic materials 16, 17. In this way, earthquake vibration or environmental vibration, generated in vibro-isolating and earthquake-isolating beds, can be sufficiently absorbed.

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