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1. 发明专利

JP2001300542A DRAIN CLEANING METHOD 失效
公开(公告)号：JP2001300542A
公开(公告)日：2001-10-30
申请号：JP2000118444
申请日：2000-04-19
申请人： HITACHI TECHNO ENG , KOGANEI LTD
发明人： TAKAHASHI KENKICHI , KUDO KANEYOSHI , ANZAI MASAO , ITAGAKI MASATO , TAKAHASHI KENICHI , KATO MASATO
IPC分类号： C02F1/24 , C02F1/463 , C02F1/465
摘要： PROBLEM TO BE SOLVED: To provide a drain cleaning method for separating drain turbid with oil and water discharged from an air compressor to oil and water and cleaning it to clean water. SOLUTION: City water is fed to at least one place in an electrolytic separation tank having positive and negative electrodes in the inside, a sub-tank for once storing the drain, a piping part from the sub-tank to the electrolytic separation tank, and an inlet part of a drain feed pump for feeding the drain to the electrolytic separation tank. An electric conductivity value of the drain discharged from the air compressor is low, and is mixed with public city water high in an electric conductivity value, easy to obtain and stable in the characteristics, then an electric current between the electrodes of the electrolytic separation tank is made easy to flow, thus the oil/water separation performance is enhanced.

2. 发明专利

JP2001300541A DRAIN CLEANING DEVICE 失效
公开(公告)号：JP2001300541A
公开(公告)日：2001-10-30
申请号：JP2000117893
申请日：2000-04-19
申请人： HITACHI TECHNO ENG
发明人： KUDO KANEYOSHI , SAWAI AKIRA , ANZAI MASAO , ITAGAKI MASATO , TAKAHASHI KENICHI
IPC分类号： C02F1/24 , C02F1/40 , C02F1/463 , C02F1/465
摘要： PROBLEM TO BE SOLVED: To provide a drain cleaning device for sufficiently separating oil and water, and also surely separating and recovering dissolved electrode metal at an electrolytic tank or a portion of a specific gravity difference separation tank. SOLUTION: This drain cleaning device is provided with the electrolytic tank provided with at least a pair of positive and negative electrodes for separating oil and water by electrolysis of the drain in the inside and a skimmer for discharging scum generated and floated in a process of the electrolysis at the upper part, and the specific gravity difference separation tank for receiving water separated at the electrolytic tank and precipitating the electrode metal dissolved in a process of the electrolysis and discharging water. A flow path for transferring the separated water to the specific gravity difference separation tank from the electrolytic tank at a position lower than a lower layer part of the scum collected at the upper part of the electrolytic tank, before the scum is discharged by the skimmer, is also provided.

3. 发明专利

JP2001033169A JET BURNER TYPE PROCESSING SYSTEM 失效
公开(公告)号：JP2001033169A
公开(公告)日：2001-02-09
申请号：JP20809599
申请日：1999-07-22
申请人： HITACHI TECHNO ENG
发明人： TSUKAHARA SATOSHI , OGAWA TERUMI , ITAGAKI MASATO , MATSUURA TOSHIJI
IPC分类号： F26B23/02
摘要： PROBLEM TO BE SOLVED: To carry a matter to be handled surely with no residue to the upper section of a processing bath even when hot gas is jetted at low rate by an arrangement wherein the hot gas jetted from a jet burner toward the bottom of the processing bath flows along a curved surface thereat and acts to blow up the matter being handled toward the upper section of the processing bath. SOLUTION: A jet burner 2 provided at the upper section of a processing bath 1 combusts pressurized fuel 31 and compressed air 32 in a combustion chamber 41 and produced heat gas 11 is jetted from a jet opening 42. High speed hot gas flow in the center of the heat gas 11 is converted from downdraft into updraft along the bottom part 5 of the processing bath 1 having substantially double U-shaped vertical cross section. In the updraft, a part 15 of the hot gas is discharged from a discharge opening 4 and the remainder 14 circulates the processing bath 1 internally and flows toward the jet opening 42 of the jet burner 2. A matter 21 to be dried fed from a feeder 3 is thereby blown up to the upper section of the processing bath 1 and then crushed and dried while being circulated.

4. 发明专利

JP2000257845A JET BURNER TYPE PROCESSING APPARATUS 失效
公开(公告)号：JP2000257845A
公开(公告)日：2000-09-22
申请号：JP5939399
申请日：1999-03-05
申请人： HITACHI TECHNO ENG
发明人： OGAWA TERUMI , ITAGAKI MASATO , FUJINAMI HIROSHI
IPC分类号： F23J13/06
摘要： PROBLEM TO BE SOLVED: To provide a jet burner type processing apparatus wherein a workpiece, even having adherence property is stably taken out from an exhaust outlet to obtain a desired workpiece. SOLUTION: An apparatus is adapted such that a workpiece 9 being an object is dried and ground with a heating gas 4 jetted from a jet burner 2 provided in a processing tank 1, and there are recovered a substance 10 to be processed obtained by drying and grinding the workpiece 9 and a waste gas 5 from which energy is robbed by this processing and which is changed from the heating gas 4. In the apparatus, there are provided means 7, 8 capable of changing an opening area ratio facing a chief flying direction of the substance 10 in the processing tank 1.

5. 发明专利

JPH09122269A RUNNING EXERCISE TRAINING DEVICE 失效
公开(公告)号：JPH09122269A
公开(公告)日：1997-05-13
申请号：JP28313695
申请日：1995-10-31
申请人： HITACHI TECHNO ENG
发明人： YAMADA YUKIO , ITAGAKI MASATO , SAKAKIBARA YOSHIHIRO , SAITO TADAYUKI
IPC分类号： A63B22/06 , A61B5/11 , A63B23/04 , A63B24/00
摘要： PROBLEM TO BE SOLVED: To prevent monotonousness and allow training over a long period by providing a load measuring means below an endless belt, calculating the measured running leg load based on the reference value, and displaying the measured result as the evaluation index about running. SOLUTION: This running exercise training device 1 is constituted of a training unit 30 and a leg load data evaluating unit 31. The training unit 30 is provided with an endless belt 2 wound rotatably in the longitudinal direction, and an operation display board 5 constituted of an operation panel 3 and a display 4 is provided at the front section. The leg load evaluating unit 31 is constituted of an analyzing device 32 including a personal computer and an image display 33 displaying the analyzed result. The leg load given to a support plate by the legs of a trainee M running or walking on the endless belt 2 is measured by a load detector, the running leg load is calculated based on the reference value, and the evaluation index about the running of the trainee M is displayed on the display 4.

6. 发明专利

JPH06155010A REFLOW SOLDERING DEVICE 失效
公开(公告)号：JPH06155010A
公开(公告)日：1994-06-03
申请号：JP31860192
申请日：1992-11-27
申请人： HITACHI TECHNO ENG
发明人： SANKAI HARUO , WADA MASABUMI , FUKUDA MITSUO , ITAGAKI MASATO , YAMAMA SHINYA
IPC分类号： B23K1/008 , B23K1/012 , H05K3/34
摘要： PURPOSE:To provide a reflow soldering device by which the amount of consumption of supplied gas is reduced, a carried object to be treated is rapidly responsed and the solderability is improved. CONSTITUTION:The object to be treated 18 consisting of a circuit substrate coated with a solder and fitted with electronic parts is carried to preheating chambers 1 and 2 and a reflow chamber 3 by a conveyer 7, the object 18 is blown with a hot gas having desired density and temperature to be soldered by melting the solder. When the object 18 detected by an object detector 25 is not present in the device, the number of revolution of through-flow blowers 9 and 13 and the opening degree of a gas flow rate adjusting valve 23 are controlled to be reduced by a treating device 26 and the amount of consumption of the supplied gas is reduced.

7. 发明专利

JP2000097569A CRUSHING DRYING DEVICE 失效
公开(公告)号：JP2000097569A
公开(公告)日：2000-04-04
申请号：JP26523698
申请日：1998-09-18
申请人： HITACHI TECHNO ENG
发明人： ITAGAKI MASATO , OGAWA TERUMI , FUJINAMI HIROSHI
IPC分类号： F26B3/06 , F26B21/00
摘要： PROBLEM TO BE SOLVED: To uniformalize temperature distribution in a peripheral direction approximately at the same height as that of a feed mechanism in a processing tank and to high-efficiently crush and dry a raw material. SOLUTION: Temperature detecting means 12 are arranged at the internal part or the inner wall or the outer wall of a processing tank approximately at the same height as that of the feed port of the processing tank 1 and at the internal part, or the inner wall or the outer wall of the processing tank in the vicinity of the feed port. A lower water filling pipe 13 having a flow rate control valve 14 is arranged in the vicinity of the temperature detecting means 12. Temperature at the internal part or at the inner wall or the outer wall of the processing tank is detected by the temperature detecting means 12, and a control means is provided to regulate a flow rate of the lower water filling pipe 13 based on temperature detected by the temperature detecting means.

8. 发明专利

JPH10113368A WALK TRAINING DEVICE 失效
公开(公告)号：JPH10113368A
公开(公告)日：1998-05-06
申请号：JP27257896
申请日：1996-10-15
申请人： HITACHI TECHNO ENG
发明人： YAMADA YUKIO , ITAGAKI MASATO , SAITO TADAYUKI
IPC分类号： A63B22/02 , A61H1/02 , A63B23/04 , A63B24/00
摘要： PROBLEM TO BE SOLVED: To heighten safety at overturning time of a walk trainee by providing a means to generate torque to restrict a movement of a handle on the basis of a detecting result of a movement detecting means of the handle gripped by the walk trainee in a walk training device having an endless track mechanism on which the walk trainee walks. SOLUTION: When a walk trainee WP gets on an endless track belt 5 and trains a walk by gripping a handle 13, if walk speed is constant, since a detecting position of a distance sensor 9 does not change, the belt 5 is driven at constant speed by a motor 4. At this time, a detecting result of a handle position detector is converted into moving speed of the handle 13, and an electric current in proportion to its speed is sent to a torque motor 15. When the handle 13 is suddenly pused (pulled) since the walk trainee WP becomes likely to overturn by any cause, though the handle 13 moves, torque generated in the torque motor 15 suddenly increases, and since it becomes a condition where a brake is put on a movement of the handle 13, overturning can be avoided.

9. 发明专利

JPH06224545A METHOD AND APPARATUS FOR REFLOW SOLDERING 失效
公开(公告)号：JPH06224545A
公开(公告)日：1994-08-12
申请号：JP1969791
申请日：1991-02-13
申请人： HITACHI TECHNO ENG
发明人： SANKAI HARUO , ITAGAKI MASATO , WADA MASABUMI
IPC分类号： H05K3/34
摘要： PURPOSE:To make the temperature uniform at a soldering part in a circuit board having thermal loads that are different crosswise, by circulating gases separated crosswise with uniform air speed at different temperatures according to the thermal loads distributed crosswise in the circuit board, and blowing circulated hot gases to a work. CONSTITUTION:Hot gas circulating means 9 and 14 include through-path blowers 5 and 10 separated crosswise, divergent nozzles 6 and 11, hot gas paths 8 and 13, heaters 7 and 12 corresponding to the separated paths 8 and 13, and thermocouples 31 and 34 also corresponding to the separated paths 8 and 13. Consequently, the flow velocity of the hot gases can be made uniform in a cross direction and a forward conveying direction, and the hot gases at temperatures in accordance with a heat capacity in a cross direction of the work 15 can be blown so that the temperature at the work 15 is raised uniformly. Moreover, the hot gas circulating means can be used for a circuit board having components, to which a hot gas is not easily blown, and defective soldering can be reduced.

10. 发明专利

JPH0938260A TRAINING DEVICE FOR RUNNING 失效
公开(公告)号：JPH0938260A
公开(公告)日：1997-02-10
申请号：JP19282295
申请日：1995-07-28
申请人： HITACHI TECHNO ENG
发明人： ITAGAKI MASATO , SAKAKIBARA YOSHIHIRO , OGAWA TERUMI
IPC分类号： A63B22/06 , A63B23/04 , A63B24/00 , A63B69/00
摘要： PROBLEM TO BE SOLVED: To clarify a running target, and perform self-teaching even if a trainer or the like does not stay by comparing a motion value from detecting data and a motion value at travel starting time of a reference value with each other, and indicating correction of a running form on the basis of the fact that the motion value changes to a specified value or more. SOLUTION: In a training device for running which has an endless belt 11 on which a trainee M can travel, a movement of a bodily exercise part of the trainee M is measured by a magnetic type form detector, and its detecting data is sent to a motion evaluating unit 30 through a cable 17. The motion evaluating unit 30 compares a motion value on running operation findable from the detecting data and a motion value at running starting time or a reference value with each other, and judges that the motion value of the trainee M changes to a specified value or more by an analyzing-evaluating part 31. An indicating display unit 50 indicates correction of a running form by an image display 52 and a loudspeaker 51 on the basis of an analyzed evaluated result by the analyzing-evaluating part 31.

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