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1. 发明专利

JPH0572952B2 失效
公开(公告)号：JPH0572952B2
公开(公告)日：1993-10-13
申请号：JP7064085
申请日：1985-04-03
申请人： HITACHI LTD
发明人： KOSEKI YASUO , YAMADA AKIRA , KUROKAWA HIDEAKI , MATSUZAKI HARUMI , EBARA KATSUYA , TAKAHASHI SANKICHI
IPC分类号： C09K5/06 , F28D20/00

2. 发明专利

JPH0344652B2 失效
公开(公告)号：JPH0344652B2
公开(公告)日：1991-07-08
申请号：JP16127984
申请日：1984-07-31
申请人： HITACHI LTD
发明人： KOSEKI YASUO , EBARA KATSUYA , TAKAHASHI SANKICHI , MATSUOKA KAZUHIKO , KUROIWA MINORU
IPC分类号： G01B21/10 , G01N15/02 , G01N15/06 , G01N15/14

3. 发明专利

JPH032689A LOW-TEMPERATURE NUCLEAR FUSION ENERGY SYSTEM 失效
公开(公告)号：JPH032689A
公开(公告)日：1991-01-09
申请号：JP13605589
申请日：1989-05-31
申请人： HITACHI LTD
发明人： EBARA KATSUYA , YAMADA AKIRA , NISHINO YOSHITAKA , NAGABUCHI NAOYUKI , SAWA TOSHIO , KUBOTA SHOJI , MIYADERA HIROSHI , YAMASHITA HISAO , NISHIMURA SHIGEOKI , KURODA OSAMU
IPC分类号： G21B3/00 , G21B1/00
摘要： PURPOSE:To utilize a reaction heat by utilizing energy generated as hot heat or cold heat when a ratio of electric energization energy to the energy generated and a temperature T is at the upper limit of a specified area and as electric power or hot/cold heat when it is above the lower limit. CONSTITUTION:Exothermic efficiency xsi, generating efficiency eta and nuclear fusion reaction temperature T are used as parameter for indicating quality of heat energy to be obtained. When liquid containing heavy water or triple water is energized to obtain heat energy by nuclear fusion reaction, electric energy is required for energization. Evaluation should be made considering this fact. In view of this, a heat generation plant shall be utilized when xsiXetaexceeds 1. In other words, this system is utilized as generating plant when operating conditions are above a curve in a chart and as heat source when it is below the curve.

4. 发明专利

JPH02149706A POWER-GENERATING SYSTEM USING ABSORPTION RANKINE CYCLE 失效
公开(公告)号：JPH02149706A
公开(公告)日：1990-06-08
申请号：JP30052988
申请日：1988-11-30
申请人： HITACHI LTD
发明人： YAMADA AKIRA , TAKAHASHI SANKICHI , EBARA KATSUYA , OKOCHI ISAO , KOSEKI YASUO , KUROKAWA HIDEAKI , NAGABUCHI NAOYUKI , TOKUNAGA KENJI
IPC分类号： F01K25/00
摘要： PURPOSE:To avoid the corrosion problem of a material without any lowering of heat recovery rate by operating the title power generating system while raising the density of absorbent in order in response to the drop in generated steam temperature. CONSTITUTION:A steam generator 10 is separated into a high temperature part 11 and a low temperature part 12 and respective parts are composed of heat exchangers 31, 32 and steam absorbers 21, 22 respectively as their accessories. LiBr water solution with low density is sprinkled from distributers 112, 122 on the surfaces of heat exchangers 111, 121. The condensed LiBr water solution is joined in low density solution coming from a pipe 108 through the heat exchangers 31, 32 and sprinkled to the heat exchanging portion 212. Thus, as the density of LiBr water solution is controlled for operation while being lowered at the high temperature part 11 where a generated steam temperature is high and the sensity of LiBr water solution is controlled for operation while being raised at the low temperature part 12 where the generated steam temperature is low, the corrosion amount of a construction material can be reduced greatly and the heat efficiency also can be improved.

5. 发明专利

JPH02122170A METHOD AND APPARATUS FOR COLD HEAT GENERATION 失效
公开(公告)号：JPH02122170A
公开(公告)日：1990-05-09
申请号：JP27195888
申请日：1988-10-29
申请人： HITACHI LTD
发明人： YAMADA AKIRA , OKOCHI ISAO , KOSEKI YASUO , KUROKAWA HIDEAKI , EBARA KATSUYA , TAKAHASHI SANKICHI , ONODA TOSHISUKE , SUGIMOTO SHIGEO
IPC分类号： F25B25/02 , F25B15/00
摘要： PURPOSE:To make an apparatus smaller in size by a method wherein heat storage medium is cooled by the ambient temperature and cold heat is generated by using the evaporation heat of refrigerant as a heat source after the refrigerant, circulating through a closed circuit of a compression type heat pump, is adiabatically expanded. CONSTITUTION:In case a concentration difference type heat storage apparatus 5 is brought in operation for cooling operation, concentrated lithium bromide solution from a heat storage medium storage 7 and from preceding stages is sprayed by spray pipes 561, 562 and 563, and an outdoor unit 9 and first heat exchangers 531, 532 and 533 are connected by pipes 312, 313, 314 and 315. When fleon is circulated by a pump 203 to cool the concentrated lithium bromide solution, the pressure in first compartments 511, 512 and 513 drops. On the other hand, the steam evaporated by third heat exchangers 551, 552 and 553 flows into second compartments 521, 522, and 523 through steam paths 591, 592 and 593, and absorbed by the concentrated lithium bromide solution with heat generation; however, the pressure in the first stage is lowest because the concentration of the lithium bromide solution sprayed by the distributor 561 of the first stage is highest. Therefore, as the concentration of the lithium bromide solution degrades in the order of the first stage, the second stage and third stage, the heat transfer area required can be reduced, resulting in a reduction in size of the apparatus.

6. 发明专利

JPH0252962A METHOD AND DEVICE FOR GENERATING COLD HEAT 失效
公开(公告)号：JPH0252962A
公开(公告)日：1990-02-22
申请号：JP19989288
申请日：1988-08-12
申请人： HITACHI LTD
发明人： KOSEKI YASUO , YAMADA AKIRA , KUROKAWA HIDEAKI , OKOCHI ISAO , EBARA KATSUYA , TAKAHASHI SANKICHI
IPC分类号： F25B15/00 , F25B15/06 , F25D16/00
摘要： PURPOSE:To improve cooling capacity by a method wherein, by using a suction cooling type freezer, a cold heat having temperature below a freezing point is generated, ice or ice slurry is generated for heat accumulation. CONSTITUTION:By heating a reproducer 12 by a heating source 20, e.g. combustion gas and steam, and cooling an absorber 11 and a condenser 13 by means of cooling water 21, brine (ethyleneglycol) 22 having temperature below a freezing point is produced from a vaporizer 10. An absorbent (LiBr) 15 is heated by the reproducer 12, a refrigerant (methanol) 14 is vaporized, and the absorbent 15 is concentrated to feed it to the absorber 11. The refrigerant steam 14 is cooled by the condenser 13 to produce liquid, which is fed to the vaporizer 10. As a result of the concentrated absorbent 15 in the absorber 11 being cooled, a pressure in a device is decreased. The reduction of a pressure causes vaporization of the refrigerant 14 in the vaporizer 10 under the same pressure, temperature is reduced to a value below a freezing point, and brine having temperature below a freezing point (approximately -6 deg.C) is produced from the vaporizer 10. Brine having temperature below a freezing point flows through a 3-way valve 33 and enters a heat accumulating tank 2, and water in the tank is indirectly cooled to produce ice.

7. 发明专利

JPH0244155A DIFFERENTIAL CONCENTRATION TYPE COLD HEAT STORAGE AND GENERATING DEVICE 失效
公开(公告)号：JPH0244155A
公开(公告)日：1990-02-14
申请号：JP19519888
申请日：1988-08-04
申请人： HITACHI LTD
发明人： YAMADA AKIRA , OKOCHI ISAO , KOSEKI YASUO , KUROKAWA HIDEAKI , EBARA KATSUYA , TAKAHASHI SANKICHI , ONODA TOSHISUKE , SUGIMOTO SHIGEO
IPC分类号： F25B5/00 , F25B13/00 , F25B25/02 , F25B29/00
摘要： PURPOSE:To perform cooling by operating a heat pump for allowing cooling operation by absorbent to be performed in parallel by furnishing a pipeline along which low temperature refrigerant in a heat pump pipe line is circulated to a second heat exchanger. CONSTITUTION:When cooling is carried out, cooling is done by operating a heat pump at first (refrigerant vapor is condensed in a second heat exchanger 54 to keep the inside of second chamber 52 at a low temperature). When the cooling load increases and exceeds the cooling capacity of the heat pump, the temperature of water that is circulated in an indoor unit becomes higher than the planned temperature when it leaves the second heat exchanger 54. The temperature of water circulating in the indoor unit 12 when it leaves the heat exchanger 54, or the output of the second chamber 52 is detected, and a high concentrated absorbent is sprinkled over a first heat exchanger 53 to absorb vapor refrigerant according to the deviation amount between the actual measured value and the planned value, so that the pressure inside the second chamber 52 is kept at a specified low temperature. By this operation method, the base load is carried out by operating the heat pump, and the excessive load over the capacity of the heat pump is carried out by high concentrated absorbent and refrigerant in which heat is previously stored.

8. 发明专利

JPH01296569A FUEL BATTERY SEPARATOR 失效
公开(公告)号：JPH01296569A
公开(公告)日：1989-11-29
申请号：JP12589788
申请日：1988-05-25
申请人： HITACHI LTD
发明人： OTAKE KATSUMOTO , SUMIYA YOSHIO , FUJITANI YASUO , TAKAHASHI SANKICHI , EBARA KATSUYA , KURODA OSAMU
IPC分类号： H01M8/02 , H01M8/10
摘要： PURPOSE:To provide a lightweight fuel battery separator in small size, wherein crack initiation and electric erosion are sell prevented, by forming it in composite construction - i.e., the electrode contacting parts from a conductive carbon and other parts from non-conductive thermoplastics. CONSTITUTION:A separator 10 is composed of a fuel electrode, an oxidating agent electrode, and a carbon member whose parts 3 in contact with these electrodes are disconnected/connected. This carbon member has a specific gravity of 1.8-2.0, wherein the current supply direction is identical to the fiber orientation. The parts of separator 10 other than its electrode contacting parts are made of polypropylene. A seal flange part with anti-anolyte property is formed at the non-conductive mating part of each separator, and a seal material is affixed to the place. This composite construction accomplishes a lightweight and small-sized separator 10, which is also well prevented from initiation of cracks and electric erosion.

9. 发明专利

JPH01208669A DOUBLE EFFECTIVE ABSORPTIVE TYPE REFRIGERATING CYCLE 失效
公开(公告)号：JPH01208669A
公开(公告)日：1989-08-22
申请号：JP2867788
申请日：1988-02-12
申请人： HITACHI LTD
发明人： KOSEKI YASUO , YAMADA AKIRA , KUROKAWA HIDEAKI , OKOCHI ISAO , TAKAHASHI SANKICHI , EBARA KATSUYA
IPC分类号： F25B15/00
摘要： PURPOSE:To enable a direct air cooling to be performed and further enable a reutilization of cooling heat by a method wherein a low concentration absorbent is condensed by a hot regenerator and a high concentration absorbing agent is condensed by a low temperature regenerator, an absorption of refrigerant vapor from an evaporator is operated at a high pressure side of the hot temperature regenerator and at a low pressure side of a low temperature regenerator. CONSTITUTION:An absorbent 20a for lean and low concentration gas enters a high pressure part 1a of a hot regenerating unit, is heated and condensed and sent to a high pressure part 4a of an absorption unit as a high concentration and low concentration absorbent 22a. A coolant vapor 32a is absorbed to become a lean low concentration absorbent 20a and then sent to the high pressure part 1a again. The refrigerant vapors 30a and 30b generated at a high pressure part 1a and the low pressure part 1b are applied in heater sources of a high pressure part 2a and a low pressure part 2b and then sent to the evaporator as a refrigerant 30. The lean high concentration absorbent 20b enters the high pressure part 2a, heated and condensed, further condensed at the lower pressure part 2b and sent to the lower pressure part 4b of the absorber as the high concentration absorbent 22b. The absorbent absorbs the refrigerant vapor 32b to become the lean high concentration absorbent 20b and send to the higher pressure part 2a. The lower pressure part 5b of the evaporation unit provides a cold heat of 4 deg.C due to evaporation of refrigerant.

10. 发明专利

JPH01173576A FUEL CELL SEPARATOR 失效
公开(公告)号：JPH01173576A
公开(公告)日：1989-07-10
申请号：JP32975887
申请日：1987-12-28
申请人： HITACHI LTD
发明人： OGAWA TOSHIO , KURODA OSAMU , EBARA KATSUYA , TAKAHASHI SANKICHI , DOI RYOTA , KOIKE SEIJI , IKEMOTO NORIO , OTAKE KATSUMOTO
IPC分类号： H01M8/02 , H01M8/10
摘要： PURPOSE:To stabilize cell properties by making holes for supply and removal of fuel and air. CONSTITUTION:A supplying hole 1 and a removing hole 2 for fuel, and a supplying hole 70 and a removing hole 70 for air are made on a separator 10, and guide passage grooves 4-1, 4-2 leading from these holes 1, 2, 70, 71 to the main passage groove of the separator are made. A cover plate if necessary, is also located and made on the guide passage grooves 4-1, 4-2. In addition, grooves for seal are made at the neighborhood and the circumference of each of holes 1, 2, 70, 71, and sticky putty or a gasket for sealing is used. Consequently, the chambers of the grooves 4-1, 4-2 are capable of air tight, and the separator 10 having function of a rubber frame is attained. As the result, it is possible to stabilize cell properties.

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