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1. 发明专利

JPH09287406A SEAL STRUCTURE 失效
公开(公告)号：JPH09287406A
公开(公告)日：1997-11-04
申请号：JP12769396
申请日：1996-04-25
申请人： MITSUBISHI HEAVY IND LTD
发明人： FURUKAWA TOYOAKI , MATSUMOTO IWAO , HAMANAKA SACHIKO , MARUTA RYOSUKE
IPC分类号： F01D11/02 , F16J15/54
摘要： PROBLEM TO BE SOLVED: To prevent the generation of an excessive contact force by moving an end of a seal with a relatively weak force in the case where the end of the seal contacts the shaft in a seal structure of a rotation shaft like, fir example, a steam turbine which has an inside operation fluid, and is applied to a rotation machine which required the seal. SOLUTION: A seal end plate 1 wherein an end is located opposite to an external circumference of the rotation shaft with a clearance is sandwiched between two seal pressing plates 2 and 2, and the seal end plate 1 is held with a pressing force generated with the elastic distortion, and a movement clearance 4 is provided on a seal pressure plate 2 so that the seal end plate 1 can be freely deviated against an excess force at the time of contacting the shaft.

2. 发明专利

JPH09264766A ROCK COLLAPSE MOITOR APPARATUS AND ROCK COLLAPSE MONITOR COMMUNICATION APPARATUS 失效
公开(公告)号：JPH09264766A
公开(公告)日：1997-10-07
申请号：JP7587796
申请日：1996-03-29
申请人： MITSUBISHI HEAVY IND LTD
发明人： MATSUMOTO IWAO , HAMANAKA SACHIKO , FURUKAWA TOYOAKI , OHIGATA KAZUKI , SUGIMARU NORIO
IPC分类号： G01D21/00 , G01N29/14 , G08B21/00 , G08B21/10 , G08B31/00 , G08G1/095
摘要： PROBLEM TO BE SOLVED: To detect the collapse of rock beforehand by quantitatively evaluating the collapse possibility of rock on the basis of the signals detected by a plurality of measuring sensors arranged in a monitor area. SOLUTION: Outputs are always automatically emitted from a plurality of attached AE sensors 61 at every definite time to monitor the collapse of rock and the presence of the fluctuations of sensor outputs is investigated. Next, when the fluctuations are confirmed, the discrimination of the correlation with respective AE sensor outputs and time delay with a vehicle passage signal is performed by a personal computer 65 while the moving speed of a passing vehicle is referred to by a preliminarily formed signal transmission characteristic data base 67 and a laser Doppler speedometer 66. Succeedingly, when it is confirmed that the detected fluctuation signal is a signal showing the signals of collapse, a signal generating position is automatically estimated in consideration of the positional relation of the measuring AE sensor 61 near to a place where a detection signal is detected to estimate the position of collapse.

3. 发明专利

JPH08334124A GAS BEARING STRUCTURE 失效
公开(公告)号：JPH08334124A
公开(公告)日：1996-12-17
申请号：JP16309395
申请日：1995-06-07
申请人： MITSUBISHI HEAVY IND LTD
发明人： MATSUMOTO IWAO , FURUKAWA TOYOAKI
IPC分类号： F16C32/06
摘要： PURPOSE: To achieve an electrical purpose without using an electrical control part so as to improve explosion proof properties much better, by interposing compressed air in a bearing void, and actuating upon a part for receiving the load of a counter, magnetic action formed by a permanent magnet, preferably magnetic repulsive force. CONSTITUTION: A thin layered ring bearing void 4 is formed between a counter member 1 (rotary shaft) and a bearing main body 3 (bearing metal). Multiple air supply holes 5 are opened and arranged at equal intervals in the peripheral direction from the outer circumferential surface side of the bearing main body 3 toward the inner circumferential side of a magnet body 20. These air supply holes 5 are provided adjacently to a compressed air supply source 7 through a check valve 6 on the outer circumferential side of the bearing main body 3. The counter member 1 is formed in such a manner that a cylindrical permanent magnet 1B having the same magnetism as the ring magnet body 20 is included in a rotary shaft 1A so that magnetic repulsive force consisting of the repulsive magnetic fields of two magnets 1B, 20 by using the rotary shaft 1A formed of a magnetic material is generated in the bearing void 4 opposed to the ring magnetic body 20.

4. 发明专利

JPH06300037A SQUEEZE FILM DAMPER 失效
公开(公告)号：JPH06300037A
公开(公告)日：1994-10-25
申请号：JP8442493
申请日：1993-04-12
申请人： MITSUBISHI HEAVY IND LTD
发明人： FURUKAWA TOYOAKI , EZAKI HITOAKI , MATSUMOTO IWAO , SHODA ISAHIKO
IPC分类号： F16C27/00 , F16F15/02 , F16F15/023
摘要： PURPOSE:To prevent oil leak with a simple structure by interposing oil in the gap between a vibrating surface and a supporting surface and installing an elastic film which covers the gap part and whose edge parts are fixed through the plastic deformation on the member side for the constitution of two surfaces. CONSTITUTION:The oil stored in an oil reservoir 5 is supplied into a gap 1 formed between damper supporting part 3 and a damper movable part 2. The plates 6 and 7 formed integrally with the damper supporting part 3 extend from the side parts on the outer peripheral sides of the damper movable part 2 and the damper supporting part 3, and an elastic film 4 is arranged, over the gap 1, on the side parts of the damper movable part 2 and the damper supporting part 3. On the elastic film 4, the bellows-shaped creases are formed, and clossly attached through the plastic deformation after both the edges are enclosed on the plates 6 and 7, and a perfect sealed part is formed. Accordingly, the damper movable part 2 and the damper supporting part 3 can be relatively shifted freely, having the gap 1 as boundary, and the outside leak of the oil is prevented.

5. 发明专利

JPH06156726A POWDER PUMP 失效
公开(公告)号：JPH06156726A
公开(公告)日：1994-06-03
申请号：JP31331192
申请日：1992-11-24
申请人： MITSUBISHI HEAVY IND LTD
发明人： MATSUMOTO IWAO , EZAKI HITOAKI , FURUKAWA TOYOAKI , SHODA ISAHIKO
IPC分类号： B65G53/40 , F04D7/00
摘要： PURPOSE:To provide a powder pump having a simplified structure and a shortened bearing span and advantageous in the vibration characteristic. CONSTITUTION:Powder is fed to multiple throats radially provided in a rotor and discharged into the high-pressure atmosphere in a powder pump, and valves 11 fitted in holes 12 opened on the rotor toward the rotating direction and introducing the pressure in the high-pressure atmosphere are opened by the centrifugal force at the time of the rated rotation of the rotor to discharge the powder in the throats via the pressure of the high-pressure atmosphere or above.

6. 发明专利

JPS5487342A BEARING SUPPORT STRUCTURE 失效
公开(公告)号：JPS5487342A
公开(公告)日：1979-07-11
申请号：JP15477877
申请日：1977-12-22
申请人： MITSUBISHI HEAVY IND LTD
发明人： EZAKI HITOAKI , FURUKAWA TOYOAKI , MATSUMOTO IWAO
IPC分类号： F16C27/00
摘要： PURPOSE:To increase the squeezing effect by supporting the bearing via a plurality of oil films formed between bearing base and housing. CONSTITUTION:An annular space is formed between the outer wall of a housing 1 and the inner wall of a bearing base 12, and a ring-like partition member 18 dividing the space into inside and outside chambers 16 and 17 is secured via a plurality of spacers 19. Pressurized oil supplied from an oil supply port 21 is led from an oil groove 22, through an outer chamber 17 and holes 20 into an inner chamber 16 to form two oil layers between housing 15 and oil rceiving base 14. With the squeeze effect of these films vibrations of a rotative shaft 13 transmitted to the housing 15 through steel balls 14 are widely reduced to alleviate impact force acting upon the steel balls 14.

7. 发明专利

JPH10252750A BEARING WITH VARIABLE SHAFT SUPPORT POSITION 失效
公开(公告)号：JPH10252750A
公开(公告)日：1998-09-22
申请号：JP5626697
申请日：1997-03-11
申请人： MITSUBISHI HEAVY IND LTD
发明人： HAMANAKA SACHIKO , FURUKAWA TOYOAKI , MATSUMOTO IWAO
IPC分类号： F16C23/02
摘要： PROBLEM TO BE SOLVED: To correct an inadequate bearing load without stopping rotation by combining hollow cylinder bodies having different inner diameter center and outer diameter center, inserting the small-diameter cylinder body into the large-diameter cylinder body, rotating both cylinder bodies, and adjusting eccentric quantities. SOLUTION: The centers O0 , O1 of the outer diameter and inner diameter of an outside eccentric bearing 1 are different, and the eccentric quantity δ1 =O1 --O0 . The centers O2 , O3 of the outer diameter and inner diameter of an inside eccentric bearing 2 are different, and the eccentric quantity is δ2 =O3 -O2 . The inner diameter of the bearing 1 is slightly larger than the outer diameter of the bearing 2 not to generate a backlash between them, and the maximum distance δ between the center O0 of the outer diameter of the bearing 1 and the center O3 of the inner diameter of the bearing 2 is δ=δ1 +δ2 . When the bearings 1, 2 are optionally rotated by gears respectively, the center OR of a shaft 3 is moved within the range of the maximum distance δ. An inadequate bearing load can be corrected when the shaft center position is moved without stopping the rotation of a support shaft.

8. 发明专利

JPH09112549A SQUEEZE FILM DAMPER 失效
公开(公告)号：JPH09112549A
公开(公告)日：1997-05-02
申请号：JP29346595
申请日：1995-10-17
申请人： MITSUBISHI HEAVY IND LTD
发明人： FURUKAWA TOYOAKI , MATSUMOTO IWAO
IPC分类号： F16C27/00 , F16C27/04
摘要： PROBLEM TO BE SOLVED: To carry out the installing and the removing works of a seal member simply in the maintenance and the like, in particular, as to a squeeze film damper in order to exercise a damping function being set at the outer side of a bearing and the like. SOLUTION: To a clearance 3 between a ring form damper movable part 2 installed on the outer periphery of a bearing outer ring 6, and a ring form damper support 1, an oil to generate an attenuation force to a vibration is filled. A seal member 5 to prevent the leaking of the oil is composed of a rubber member 5c, and spring steels 5a and 5b with cutting parts as the core member, and the seal member 5 is set to engage elastically by the spring steels 5a and 5b. The installing and the removing works of the seal member 5 can be carried out simply by the deforming operation of the spring steels 5a and 5b.

9. 发明专利

JPH0925871A SOLAR ENERGY COLLECTING DEVICE 失效
公开(公告)号：JPH0925871A
公开(公告)日：1997-01-28
申请号：JP17251595
申请日：1995-07-07
申请人： MITSUBISHI HEAVY IND LTD
发明人： MATSUMOTO IWAO , FURUKAWA TOYOAKI , HAMANAKA SACHIKO
IPC分类号： G02B3/14 , F03G6/00 , F24S23/30 , F24S23/70 , F24J2/08 , F24J2/10
摘要： PROBLEM TO BE SOLVED: To constitute a large capacity system with a simple energy collecting principle at a low cost. SOLUTION: A vinyl sheet 1 is disposed on the ground 20 leveled in a simple way. This vinyl sheet 1 is so constituted as to be able to seal water 2 inside and formed into convex lens shape when the water 2 is sealed. A reflecting body 6 is spread on the ground, in a position corresponding to the bottom face of the vinyl sheet 1 so that the sunlight entering the vinyl sheet 1 of convex lens shape is reflected by the reflecting body 6. The sunlight reflected by the reflecting body 6 is collected into an external focus position after passing through the inside of the vinyl sheet 1 again, but a sunlight collecting tower 4 is installed in this focus position. Wires 5 are also fitted onto the outer surface of the vinyl sheet 1 in two right-angled directions so as to correspond to the orbit of the sun, and the length of the wires 5 are adjusted by a plurality of winches 3 installed on the surrounding ground 20.

10. 发明专利

JPH094645A ROTOR FIT TOGETHER TO SHAFT 失效
公开(公告)号：JPH094645A
公开(公告)日：1997-01-07
申请号：JP17395095
申请日：1995-06-19
申请人： MITSUBISHI HEAVY IND LTD
发明人： FURUKAWA TOYOAKI , MATSUMOTO IWAO , KIMURA MASANORI , NARUSUE SHIGETOSHI
IPC分类号： F16D1/06
摘要： PURPOSE: To prevent deviation of a shaft center line of a rotating part even when centrifugal force of rotation and distribution of temperature changes. CONSTITUTION: A rotor, fit to a shaft in which fitting surfaces 5a and 5b of a rotor body 5 are respectively fit on fitting surfaces 3a and 3b of a rotating shaft 3 and an axial vertical end surface 5c of a rear end contact part 5f adjacent to a rear end fitting part 5g of the rotor body 5 is pressed by a fastening nut 7 so as to press to an axial vertical end surface 3c of the rotational shaft 3, forms a groove 5e between the rear end fitting part 5g and the rear end contact part 5f of the rotor body 5.

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