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1. 发明专利

JP2000074506A Compression refrigerating machine with built-in motor 审中-公开
标题翻译：具有内置电机的压缩式制冷机
公开(公告)号：JP2000074506A
公开(公告)日：2000-03-14
申请号：JP23972798
申请日：1998-08-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAGAWA KOJI , URAKI YASUO , TERASAKI MASATOSHI , KUWABARA KENICHI
IPC分类号： F25B1/00
CPC分类号： F25B2341/0011 , F25B2341/0013
摘要： PROBLEM TO BE SOLVED: To reduce the energy loss of a compression refrigerating machine with built-in motor caused when the rotor of the built-in motor or a gear stirs a refrigerant atmosphere by reducing the pressure in the motor or gear chamber by sucking a refrigerant staying in the motor or gear chamber.
SOLUTION: A compression refrigerating machine with built-in motor is provided with a motor 1, a motor chamber 3, a gear 4, a gear chamber 4, a compressor 6, a condenser 7, an evaporator 8, and pipelines connecting the compressor 6, condenser 7, and evaporator 8 to each other. In the refrigerating machine, a liquid ejector 9 is installed to the pipeline of a liquid refrigerant flowing to the evaporator 8 from the condenser 7 and the motor chamber 3 and gear chamber 5 are connected to the sucking section of the ejector 9 so as to reduce the pressure in either one or both of the chambers 3 and 5 by sucking the refrigerant staying in either one or both of the chambers 3 and 5.
COPYRIGHT: (C)2000,JPO
摘要翻译：要解决的问题：为了降低内置电机的压缩制冷机的能量损失，当内置电机或齿轮的转子通过吸入电机或齿轮室中的压力来降低制冷剂气氛时，制冷剂停留在电机或齿轮室中。解决方案：具有内置电动机的压缩式制冷机具有电动机1，电动机室3，齿轮4，齿轮室4，压缩机6，冷凝器7，蒸发器8和连接压缩机6的管路，冷凝器7和蒸发器8。在制冷机中，将液体喷射器9安装在从冷凝器7流向蒸发器8的液体制冷剂的管路上，马达室3和齿轮室5与喷射器9的吸引部连接，从而减少通过吸入停留在腔室3和5中的一个或两个中的制冷剂，腔室3和5中的一个或两个的压力。

2. 发明专利

JP2006177568A Unit number control device of refrigerator and cool heat supply system 有权
标题翻译：冷冻机和冷热源系统的单元号控制装置
公开(公告)号：JP2006177568A
公开(公告)日：2006-07-06
申请号：JP2004368631
申请日：2004-12-21
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： FUJII TATSURO , KIKUCHI HIRONARI , TOMITA YASUSHI , SAKAUCHI MASAAKI , KUSHIMA HIROSHI , KUWABARA KENICHI
IPC分类号： F24F11/02
CPC分类号： F25B2600/0251 , F25B2700/21172 , F25B2700/21173
摘要： PROBLEM TO BE SOLVED: To achieve saving energy and reduction of the operation cost by setting a required minimum refrigerator operation unit number when a cooling water temperature is lowered in winter or in the intermediate time in a unit number control device of a refrigerator operated throughout the year. SOLUTION: A unit number of the refrigerator is varied in accordance with a measured result of a refrigeration load, and a varying standard of the operation unit number is varied by the cooling water temperature. The refrigeration load as the unit number variation standard is varied to the direction which is larger as the cooling water temperature is lowered. Thereby, refrigerator performance increase effect by lowering of the cooling water temperature in the winter or in the intermediate time can be utilized, and the required minimum operation unit number can be set, and operation time of auxiliaries such as the refrigerator, a cooling tower, or a cooling water pump can be reduced. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过在冰箱的单元号控制装置中在冬季或中间时间中降低冷却水温度时，通过设定所需的最小冰箱操作单元数来实现节能和降低操作成本全年运营。解决方案：根据制冷负荷的测量结果，冰箱的单元数量变化，并且操作单元数量的变化标准由冷却水温度变化。作为单位数变化标准的制冷负荷随着冷却水温度的降低而变大。因此，可以利用冬季或中间时间的降低冷却水温度来实现冰箱性能提高的效果，并且可以设定所需的最小操作单元数，以及诸如冰箱，冷却塔等辅助设备的操作时间，或者可以减少冷却水泵。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2014006011A Energy management system 有权
标题翻译：能源管理体系
公开(公告)号：JP2014006011A
公开(公告)日：2014-01-16
申请号：JP2012142594
申请日：2012-06-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MATSUBARA MASAHIRO , KUWABARA KENICHI , KUSHIMA HIROSHI , YAMADA JUNICHI , TOMITA YASUSHI
IPC分类号： F24F11/02 , G06Q10/04 , G06Q50/16
CPC分类号： G01R21/00 , G01R22/10 , G06Q10/04 , G06Q50/06 , H02J2003/143 , Y02B70/3266 , Y02B70/3275 , Y04S20/224 , Y04S20/242 , Y04S20/244
摘要： PROBLEM TO BE SOLVED: To calculate an expected air-conditioning energy consumption for when energy-saving control is not executed, even without actual measurement data for a reference time (a non-energy-saving time).SOLUTION: An energy management system includes: an air-conditioning schedule energy-saving rate calculation unit for determining relative air-conditioning energy consumption from an air-conditioning schedule for a reference time and an air-conditioning schedule representing energy-saving control specifics, and calculating the effect of energy-saving control; and a consumption conversion unit for calculating air-conditioning energy consumption expected for the reference time from the energy-saving rate calculated by the air-conditioning schedule energy-saving rate calculation unit and air-conditioning energy consumption at a time of executing energy-saving control.
摘要翻译：要解决的问题：即使没有执行节能控制时的计算空调能耗，即使没有基准时间的实际测量数据（非节能时间）也是如此。解决方案：能量管理系统包括：空调计划节能率计算单元，用于根据参考时间的空调进度确定相对空调能量消耗，以及表示节能控制细节的空调进度表，计算节能控制细节的效果，节省控制; 以及消耗转换单元，用于根据由空调调度节能率计算单元计算的节能率和执行节能时的空调能量消耗来计算参考时间期望的空调能量消耗控制。

4. 发明专利

JP2014215844A エネルギー管理システム审中-公开
标题翻译：能源管理体系
公开(公告)号：JP2014215844A
公开(公告)日：2014-11-17
申请号：JP2013093189
申请日：2013-04-26
申请人：株式会社日立製作所 , Hitachi Ltd
发明人： MIYAKE NORIYUKI , TOMITA YASUSHI , TAKAHASHI HIROTAKA , KUWABARA KENICHI , KUSHIMA HIROSHI , YAMADA JUNICHI
IPC分类号： G06Q50/16
CPC分类号： G06Q50/16
摘要：【課題】快適性または利便性悪化を最小限に抑制することができる、蓄電池を用いたピークカットのエネルギー管理システムを提供する。【解決手段】需要家施設の電力ピークカットを行うエネルギー管理システムにおいて、需要家施設の電力需要予測値と上限値とを比較する上限値超過判定部を有し、電力需要予測値が上限値よりも大きい時間帯において電力ピークカットを行う場合に、時間帯の時間帯毎および需要家施設における任意のエリア毎に需要家施設の在室者の快適性の指標である快適性重要度を設定するとともに、快適性重要度が設定された時間帯毎および任意のエリア毎のうち、快適性重要度が大きい時間帯毎およびエリア毎を優先的に選択し、選択した時間帯およびエリアにおいて前記エリアに設けられた設備機器に電力を供給する電源機器の運転計画を生成する運転計画生成部を備える。【選択図】図6
摘要翻译：要解决的问题：提供一种使用能够抑制舒适性降低或容易达到可能的最小值的蓄电池的峰值能量管理系统。解决方案：提供一种用于切割客户设施中的功率峰值的能量管理系统。能量管理系统具有用于比较预测功率需求值和顾客设施的上限值的上限值过大判定单元，在预测功率需求值较大的时隙中要切断功率峰值时对于时隙的每个时隙和客户设施中的每个自由区域，设置作为停留在客户设施的房间中的人的舒适度的指示的舒适度的重要程度，以及还包括一个操作计划生成单元，用于从每个时隙和每个自由度区域选择每个时隙，并且每个时隙和每个重要程度的舒适程度优先于其他区域，并且在选择的时隙和区域，用于向设置在该区域中的设备装置供电的供电装置的操作计划。

5. 发明专利

JP2001127042A METHOD OF ETCHING SILICON 失效
公开(公告)号：JP2001127042A
公开(公告)日：2001-05-11
申请号：JP30582199
申请日：1999-10-27
申请人： HITACHI LTD , HITACHI KASADO ENG CO LTD , HITACHI TECHNO ENG
发明人： KUWABARA KENICHI , SHIMADA TAKESHI , YAMAMOTO NAOHIRO , KIKKAI MOTOHIKO , SAKAGUCHI MASAMICHI , YASUNAMI HISAO , ISHIMARU KATSUHISA
IPC分类号： H01L21/302 , C23F4/00 , H01L21/3065
摘要： PROBLEM TO BE SOLVED: To provide a process by which stable productivity can be obtained by reducing aged change of etching property, in the etching of silicon. SOLUTION: In an etching method for silicon using the plasma of chlorine gas, the out gas ratio within the plasma is reduced by adding gas having the same components as the gas being discharged as the out gas from the surface of the part within an etching chamber to the chlorine gas.

6. 发明专利

JPH08152234A METHOD AND EQUIPMENT FOR REPLACING OIL IN REFRIGERATING MACHINE 失效
公开(公告)号：JPH08152234A
公开(公告)日：1996-06-11
申请号：JP29618994
申请日：1994-11-30
申请人： HITACHI LTD
发明人： KUWABARA KENICHI , SUZUKI HARUO , ISHIMOTO MASAKI , MURAMOTO SHUJI
IPC分类号： F25B45/00
摘要： PURPOSE: To obtain a method for executing an operation for replacement of oil while operating a refrigerating machine in an ordinary manner, without collecting a refrigerant outside the machine, when the replacement of the oil inside the machine is necessary, and to obtain equipment for replacement of the oil which is used for the operation. CONSTITUTION: Regarding a method for replacing oil in a refrigerating machine wherein a refrigerating cycle is constructed by having an evaporator 1, a condenser 3 and a compressor 2 having an oil tank 2b, first the oil in the oil tank 2b of the compressor is replaced, the refrigerating machine is then operated and a process wherein part of a refrigerant in the evaporator 1 is led to a refrigerant collecting device 4 and the oil melting in the refrigerant is separated by a heating means 5, a process wherein the refrigerant wherefrom the oil is separated by the heating means 5 is restored to the evaporator 1, a process wherein the separated oil is discharged outside the machine and a process wherein fresh oil for replacement is supplied to the oil tank 2b of the compressor in accordance with the quantity of the discharged oil are performed in the course of the operation of the refrigerating machine.

7. 发明专利

JPH0278451A PURGE UNIT EQUIPPED WITH OIL RISE PREVENTING MECHANISM 失效
公开(公告)号：JPH0278451A
公开(公告)日：1990-03-19
申请号：JP22873188
申请日：1988-09-14
申请人： HITACHI LTD
发明人： KUWABARA KENICHI
IPC分类号： B03C3/00
摘要： PURPOSE:To electrically prevent rise of oil mist by imparting electric charge to oil by an electrode of the bottom part of an oil tank and covering the outer periphery of an eliminator by the electrodes which are oppositely arranged while pinching an insulator therewith and imparting electric potential to oil mist. CONSTITUTION:The inlet holes 2, 3 of exhaust gas and oil are provided to an oil tank 1 and also an oil pump 9 is provided to the lower part of the oil tank 1 and an extraction pump 8 is provided to the upper part thereof and the inlet aperture of the extraction pump 8 is surrounded by an eliminator 7. Electric charge is imparted to oil of the bottom part of the oil tank 1 by both a power source device 10 and an electrode 11 and also the outer periphery of the eliminator 7 is covered with the electrodes 4, 6 which are oppositely arranged while pinching an insulator 5 therewith and electric potential is imparted to oil mist by a power source device 12. As a result, rise of oil mist can be electrically prevented.

8. 发明专利

JP2002032438A METHOD AND SYSTEM FOR ENERGY SERVICE BUSINESS 失效
公开(公告)号：JP2002032438A
公开(公告)日：2002-01-31
申请号：JP2000214142
申请日：2000-07-14
申请人： HITACHI LTD
发明人： SAKAUCHI MASAAKI , CHIBA JUNICHI , KUWABARA KENICHI , KAMO SADAICHI
IPC分类号： G06Q50/00 , G06Q50/06 , H02J3/00 , G06F17/60
摘要： PROBLEM TO BE SOLVED: To make it easy to take energy-saving countermeasures. SOLUTION: An energy service provider bears the cost to take the energy saving countermeasures for object facilities, measures the energy consumption after the energy-saving countermeasures are taken, and compares the measured value with energy consumption before the energy-saving countermeasures stored previously in a database to calculate the reduction amount of the energy cost, and receives at least part of the reduction amount, so the customer need not invest for facilities for energy-saving facilities and need not plan for its collection, so that it becomes easy to introduce the energy-saving countermeasures.

9. 发明专利

JP2000310452A TURBO REFRIGERATOR 失效
公开(公告)号：JP2000310452A
公开(公告)日：2000-11-07
申请号：JP11932499
申请日：1999-04-27
申请人： HITACHI LTD
发明人： KUWABARA KENICHI , URAKI YASUO
IPC分类号： F25B1/053
摘要： PROBLEM TO BE SOLVED: To provide a turbo refrigerator capable of prolonging a lifetime and stably operating by avoiding a fault or an accident even in the case of a low cooling water inlet temperature or a lowered evaporating pressure. SOLUTION: The turbo refrigerator for capacity controlling by an evaporator 1, a condenser 2, a turbo compressor 3 and an inlet guide vane 4 provided at an inlet of the compressor 3 comprises a temperature detecting means 8 provided at a cooling water inlet of the condenser 2, and a controller for controlling an opening of the vane 4 in response to a temperature signal of cooling water detected by the means 8.

10. 发明专利

JPH11166770A TURBO REFRIGERATING MACHINE 失效
公开(公告)号：JPH11166770A
公开(公告)日：1999-06-22
申请号：JP33265797
申请日：1997-12-03
申请人： HITACHI LTD
发明人： KUWABARA KENICHI , URAKI YASUO , FURUSAWA SHINPEI
IPC分类号： F25B1/00 , F25B1/053
摘要： PROBLEM TO BE SOLVED: To obtain a turbo refrigerating machine having a plurality of compressors in which the bearing of the speed increasing gear of the compressor is protected against seizure. SOLUTION: A turbo refrigerating machine comprises an evaporator, a condenser, a plurality of compressors, motors for driving the compressors, and a first Venturi drive piping system circulating the lubricant in the oil tank of the compressor through a Venturi. The turbo refrigerating machine further comprises piping systems 301, 302 for coupling a second Venturi drive piping systems 8, 58 circulating the lubricant in the oil tanks 3, 53 of compressors through Venturi 9, 59 with the negative pressure side of a Venturi inserted into the second Venturi drive piping system from the oil tank of one compressor to the other compressor, and on/off valves 10, 60 in the piping systems 301, 302.

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