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1. 发明专利

JPH08219345A EXPANSION PIPE JOINT 失效
公开(公告)号：JPH08219345A
公开(公告)日：1996-08-30
申请号：JP2370295
申请日：1995-02-13
申请人： HITACHI LTD
发明人： NANBA MITSUO , NOGUCHI KENICHI
IPC分类号： F16L27/12
摘要： PURPOSE: To enable the replacement of packing without disassembling and adjust the dislocation of a bolt hole easily without using another power device or the like by making the length of an inner cylinder pipe longer than that of an outer cylinder pipe in the seal position of the outer and inner cylinder pipes, and providing packing on the periphery of the inner cylinder pipe protruding from the outer cylinder pipe. CONSTITUTION: In order to replace packing 12 without disassembling an outer cylinder pipe 9 and an inner cylinder pipe 8, the length of the inner cylinder pipe 8 is made longer than that of the outer cylinder pipe 9, and the packing 12 such as an O-ring is mounted to the outer periphery of the inner cylinder pipe 8 protruding from the outer cylinder pipe 9. An adjacent short pipe is thereby disconnected and moved without disassembling the inner cylinder pipe 8 from the outer cylinder pipe 9. Dislocation adjusting devices 14, 15 for adjusting the mutual dislocation of the fastening bolt hole of a mating flange to be fastened have male-female conical centering means fitted into the mutual bolt hole of the mating flange to be fastened to the expanding/ contracting inner cylinder pipe 8 and forcibly correct vertical and circumferential dislocation by the thrust of pushing out the cylindrical pipe, with the conical face as a guide.

2. 发明专利

JPS62107963A CENTRIFUGAL BARREL POLISHING METHOD 失效
公开(公告)号：JPS62107963A
公开(公告)日：1987-05-19
申请号：JP24394885
申请日：1985-11-01
申请人： HITACHI LTD
发明人： NOGUCHI KENICHI
IPC分类号： B24B31/10
摘要： PURPOSE:To efficiently polish a blade, being an object to be ground, and the inner surface of a flow passage, by a method wherein an object to be ground is placed in a tank filled with an abrasive and an abrasive assistant, and the object to be ground is rotated. CONSTITUTION:An object 4 to be ground is placed in a tank 3 filled with an abrassive 1 and an abrasive assistant 2, and the object is rotated through the medium of a shaft 5 and a coupling 6 with the aid of a motor 7. The abrasive 1 and the abrasive assistant 2 are sucked through the suction port of the object 3 to be ground, and flows through the interior to an outlet. When the abrasive 1 and the abrasive assistant 2 pass through the interior of the object 3 to be ground at a high speed as described above, the abrasive 1 is collided with the inner surface of the object to be ground, or pressed with a force to grind the uneven surface part of the inner surface into a smooth surface with high efficiency.

3. 发明专利

JPS61291891A HEAT EXCHANGER 失效
公开(公告)号：JPS61291891A
公开(公告)日：1986-12-22
申请号：JP13171585
申请日：1985-06-19
申请人： HITACHI LTD
发明人： NOGUCHI KENICHI , OYAMADA ISAO , FURUYA IWAO
IPC分类号： F28D7/16 , F28D7/02
摘要： PURPOSE:To provide a compact heat exchanger of high heat exchanging efficiency at low cost, by spirally forming heat exchanger tubes. CONSTITUTION:A cooling water heated after cooling an engine gets into chambers 8 and 9 in a heat exchanger 5 from cooling-water inlet ports 6 and 7. The water is cooled by a pumped water 11 while it is passing through spiral heat exchanger tubes 10, and is taken out of outlet ports 12 and 13, getting into the engine again. The contact area of cooling water with a refrigerant is increased by spirally forming the heat exchanger tubes 10, but the resistance of flow to the surface is increased as well. Specific flow rate can be obtained by combining a plurality of tubes with respect to the flow rate.

4. 发明专利

JPS60186349A AUTOMATIC TAPPING PASTE INJECTOR 失效
公开(公告)号：JPS60186349A
公开(公告)日：1985-09-21
申请号：JP3852684
申请日：1984-03-02
申请人： HITACHI LTD
发明人： NOGUCHI KENICHI
IPC分类号： B23Q11/10 , F16N5/00
摘要： PURPOSE:To enable automatic injection of tapping paste in NC machine by applying pre-load onto the incorporated tapping paste then opening/closing a valve through mechanical feeding and feeding required amount of paste into the lower screw hole. CONSTITUTION:Upon advance of a nozzle 11 at the tip of a valve rod 5 in NC machine toward a hole and further advance upon reaching to the inlet of the hole, a valve rod 5 is pushed down against the spring 8 force to open a valve 9 thus to inject the tapping paste contained in a tapping paste injection chamber 10 through a hole made in the valve rod 5. Upon further advance, the flange 12 will contact against the piston 4 to push it down thus to push out the tapping paste through the hole of the valve rod 5 and to retract upon injection of predetermined amount thereafter, the valve rod 5 is pushed up by the spring 8 to close the valve 9 thus to stop injection of tapping paste.

5. 发明专利

JP2000297798A STATIC BALANCE CORRECTION METHOD FOR IMPELLER AND ITS DEVICE 失效
公开(公告)号：JP2000297798A
公开(公告)日：2000-10-24
申请号：JP10842899
申请日：1999-04-15
申请人： HITACHI LTD , TEKKU KK T
发明人： YANAGIHARA YOSHIHIRO , NOGUCHI KENICHI
IPC分类号： F04D29/22 , F04D29/60
摘要： PROBLEM TO BE SOLVED: To improve the correction accuracy and shorten the time of the whole correcting work by providing high-accuracy unbalance quantity without relying on the experience and intuition of an operator. SOLUTION: In this static balance correction method for an impeller having an unbalance position detection process which freely and rotationally moves an impeller 1 about the axial center by the dead weight and detects a circumferential position where the weight of the impeller is unbalanced by stop of its free rotational movement, an unbalance quantity detection process which detects the unbalance quantity in its circumferential position, and an unbalance removal process which uniformizes the weight balance about the axial center of the impeller 1 by removing the base metal of the impeller 1 by a quantity equivalent to the unbalance quantity, the impeller 1 is made to stop after forcedly and rotationally moving by 90 deg. from the stop position of the free rotational movement in the unbalance quantity detection process so that a torque T generated by the dead weight is detected in releasing the impeller 1 again from this stop position.

6. 发明专利

JPH07299628A AUTOMATIC BLADE SURFACE MACHINING DEVICE 失效
公开(公告)号：JPH07299628A
公开(公告)日：1995-11-14
申请号：JP9611994
申请日：1994-05-10
申请人： HITACHI LTD , HITACHI TSUCHIURA ENG KK
发明人： SASAKI MINORU , ISHII MASATO , SATO KINYA , IMAKUBO TOSHIHIRO , NOGUCHI KENICHI
IPC分类号： B23C3/18
摘要： PURPOSE:To perform automatic operation even on a thin plate-like and blade- like work object by continuously arranging a carrying device, a support device, a centering device or the like to a work machine body in a device to automatically and continuously perform clamp of a work, centering and machining of a machining reference or the like. CONSTITUTION:When an automatic blade surface machining device, for example, a fan blade surface machining device 1 is used, first of all, a work object 2 is carried in a support device 5 of a work machine body 3 from a work buffer 7 by a carrying device 4. Next, both end parts of the work object 2 are supported by the support device 5. In succession, a machining reference is determined by a centering device 6, and a work surface of the work object 2 is machined by the work machine body 3. When machining on a single surface of the work object 2 is finished, the work object 2 is rotated by 180 degrees, and a residual surface is machined. Afterward, the work object 2 is carried out to the work buffer 7 from the work machine body 3. Thereby, a thin plate- like and three-dimensional curved surface-shaped blade surface can be continuously and automatically machined.

7. 发明专利

JPH01244288A DISCHARGE TUBE COOLER 失效
公开(公告)号：JPH01244288A
公开(公告)日：1989-09-28
申请号：JP6742288
申请日：1988-03-23
申请人： HITACHI LTD
发明人： NOGUCHI KENICHI
IPC分类号： F01P3/18 , F28D7/16
摘要： PURPOSE:To permit the maintenance such as repairing, replacing and the like of a heat exchanger easily, by attaching each heat exchange tube independently one by one by interposing it between water chamber cases. CONSTITUTION:In an example of a discharge tube cooler, in which cooling water for an engine, driving a pump, is cooled by water, pumped up by the pump, heat exchanging tubes 3 are attached to water chambers 2, 6 by only pinching them through water chamber clamping bolts 8, therefore, the clamping bolts 8 are loosened and only unusable heat exchanging tubes are removed when the heat exchanging tubes become unusable due to damage or corrosion whereby the unusable tubes may be replaced simply by new heat exchanging tubes.

8. 发明专利

JPS616430A Shaft coupling 失效
标题翻译：轴联接
公开(公告)号：JPS616430A
公开(公告)日：1986-01-13
申请号：JP12510984
申请日：1984-06-20
申请人： Hitachi Ltd
发明人： NOGUCHI KENICHI , ISHIKAWA YOSHIHIDE
IPC分类号： F04D13/00 , F04D29/043 , F16D1/05 , F16D1/091 , F16D1/092
CPC分类号： F16D1/092
摘要： PURPOSE:To ensure concentricity by providing a fitting hole and a setscrew on one shaft end of a shaft and a split ring on the other shaft end, and disposing a fastening member which is engaged with the setscrew to press two shafts in a shaft coupling. CONSTITUTION:A fitting hole 17 to which a shaft end of a shaft 6b is fitted is bored in the end portion of a shaft 6a of a pump shaft 6, and a setscrew 18 is threaded on the outer periphery of the shaft 6a. A split ring 20 is disposed on the outer periphery of the shaft 6b. The shafts 6a, 6b are coupled to each other by a fastening member 21, one side of which is engaged with the split ring 20, the other side thereof having a setscrew 22 engaged with the setscrew 18. Thus, the concentricity can be ensured simply.
摘要翻译：目的：通过在轴的一个轴端和另一个轴端上的开口环上提供一个安装孔和一个固定螺丝来确保同心度，并且设置一个与固定螺丝接合的紧固构件，以将两个轴按压在一个联轴器中。构成：在泵轴6的轴6a的端部钻有安装有轴6b的轴端的安装孔17，并且在轴6a的外周上螺纹固定螺丝18。开口环20设置在轴6b的外周上。轴6a，6b通过紧固构件21彼此联接，紧固构件21的一侧与开口环20接合，另一侧具有与固定螺钉18接合的固定螺丝22.因此，可以简单地确保同心度。

9. 发明专利

JPS63109973A CENTRIFUGAL BARREL POLISHING DEVICE 失效
公开(公告)号：JPS63109973A
公开(公告)日：1988-05-14
申请号：JP25381586
申请日：1986-10-27
申请人： HITACHI LTD
发明人： NOGUCHI KENICHI
IPC分类号： B24B31/00 , B24B31/10
摘要： PURPOSE:To uniformly polish the inner face of the flow passage of any of impellers having various shapes of vanes respectively with high accuracy by providing an installing angle adjustable guide vane. CONSTITUTION:An impeller 8 is rotated in a tank 6 containing an abrasive 9 and an auxiliary abrasive 7 such as water, etc., via a shaft coupling 2 and a shaft 5. Accompanying this rotation, the abrasive 9 and auxiliary abrasive 7 are sucked in from the suction port of the impeller 8 and, in the process of their getting out while scrubbing the flow passage wall of the impeller 8, the flow passage wall is polished by the abrasive 9 removing ruggedness to obtain a smooth finished surface. In this case, the flow of the abrasive 9 and auxiliary abrasive 7 are streamlined by means of guide vanes 10 the set angle of which is freely adjustable, controlling an incident angle at the time of suction to optimize the angle for the abrasive 9 to hit against the faces of vanes at all times, thereby, making the polishing degree of the suction port of an impeller 8 having any inclination angle the same.

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