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1. 发明专利

JP2009270529A Positive displacement fluid machine 审中-公开
标题翻译：正位移流体机
公开(公告)号：JP2009270529A
公开(公告)日：2009-11-19
申请号：JP2008123413
申请日：2008-05-09
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： KOSOKABE HIROKATSU , MATSUNAGA MUTSUNORI , TOJO KENJI
IPC分类号： F04C23/02 , F01C1/02 , F01C13/04 , F01C21/02 , F04C18/356 , F04C29/02
摘要： PROBLEM TO BE SOLVED: To provide a positive displacement fluid machine improving energy efficiency of refrigeration cycle by reducing mechanical loss and internal leak of an expander and an auxiliary compressor with a simple structure having good assemblability.
SOLUTION: This positive displacement fluid machine is provided with a lubricating oil supply mechanism keeping communication between a turning scroll back surface space of a scroll expander and a roller inner space of a rotary auxiliary compressor and making lubricating oil flow to a back pressure space from an oil supply passage of a crankshaft through a bearing part, and a back pressure adjusting mechanism adjusting back pressure to a prescribed pressure between the back pressure space and a suction space of the rotary auxiliary compressor. A seal member is installed at a roller end surface part.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过减少具有良好组装性的简单结构的膨胀机和辅助压缩机的机械损失和内部泄漏来提高制冷循环的能量效率的容积式流体机械。解决方案：这种正排量流体机器设置有润滑油供给机构，其保持涡旋膨胀机的转动涡旋表面空间与旋转辅助压缩机的滚子内部空间之间的连通，并使润滑油流向背压通过轴承部分从曲轴供油通道的空间，以及将后压力调整到背压空间与旋转辅助压缩机的吸入空间之间的背压调节机构。密封构件安装在辊端面部分。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2010216691A Refrigerating cycle device 审中-公开
标题翻译：制冷循环装置
公开(公告)号：JP2010216691A
公开(公告)日：2010-09-30
申请号：JP2009062227
申请日：2009-03-16
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： HAGITA NAOMI , UEDA HIDEYUKI , TOJO KENJI
IPC分类号： F25B1/00 , F04C18/02 , F04C29/02 , F04C29/04 , F04C29/12
摘要： PROBLEM TO BE SOLVED: To improve the lubricity of a sliding part to enhance wear resistance, and to prevent the reduction of a suction amount of low pressure gas to a compressor.
SOLUTION: This refrigerating cycle device is constituted by sequentially interconnecting the scroll compressor 1, an oil separator 21, a condenser 2, a decompression device 3 and an evaporator 4 by refrigerant piping. The refrigerating cycle device includes oil return piping 22 for interconnecting the oil separator 21 and the scroll compressor 1. Oil in the oil separator 21 is returned to the sliding part 14 between a base plate 6d of a fixed scroll 6 and a base plate 7d of an orbiting scroll 7 constituting the scroll compressor 1 and a compression chamber 8 formed of the fixed scroll 6 and the orbiting scroll 7.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提高滑动部件的润滑性以提高耐磨性，并且防止将低压气体吸入量减少到压缩机。解决方案：该制冷循环装置通过制冷剂配管将涡旋式压缩机1，油分离器21，冷凝器2，减压装置3和蒸发器4依次相互连接而构成。制冷循环装置包括用于将油分离器21和涡旋压缩机1相互连接的回油配管22.油分离器21中的油返回到固定涡旋件6的基板6d与基板7d之间的滑动部14 构成涡旋压缩机1的绕动涡旋件7和由固定涡旋盘6和绕动涡旋件7形成的压缩室8.（C）2010，JPO＆INPIT

3. 发明专利

JP2010121582A Hermetically sealed scroll compressor 有权
标题翻译：密封式压缩机
公开(公告)号：JP2010121582A
公开(公告)日：2010-06-03
申请号：JP2008297769
申请日：2008-11-21
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： SHIIBAYASHI MASAO , TOJO KENJI , IZUNAGA YASUSHI
IPC分类号： F04C18/02 , F04C29/02
CPC分类号： F04C23/008 , F04C15/06 , F04C18/0215 , F04C18/0246 , F04C18/0261 , F04C29/0007 , F04C29/028 , F04C29/042 , F04C2210/10 , F04C2210/105 , F04C2250/101
摘要： PROBLEM TO BE SOLVED: To improve performance by supplying a suitable amount of oil to an orbiting outer compression chamber and an orbiting inner compression chamber and reducing inner leakage between the compression chambers in a hermetically sealed scroll compressor. SOLUTION: In the hermetically sealed scroll compressor, an injection pipe 31 for injecting fluid to the compression chamber is connected to an injecting port 22 of a fixed scroll 5. The injecting port 22 includes a first injection port 22a provided in the vicinity of a fixed scroll inner curve and injecting the fluid to the orbiting outer compression chamber 8a, and a second injecting port 22b provided in the vicinity of a fixed scroll outer curve and injecting the fluid to the orbiting inner compression chamber 8b. The second injecting port 22b is arranged side by side in a radial direction with respect to the first injecting port 22a, and is not substantially communicated with the orbiting outer compression chamber 8a in the state in which the orbiting scroll wrap is in contact with the outer side of a fixed scroll wrap. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了通过向旋转的外部压缩室和绕动的内部压缩室中供应合适量的油来改善性能，并减少密封的涡旋压缩机中的压缩室之间的内部泄漏。解决方案：在气密密封的涡旋压缩机中，将用于将流体喷射到压缩室的喷射管31连接到固定涡旋件5的喷射口22.喷射口22包括设置在附近的第一喷射口22a 固定涡卷内曲线，并将流体喷射到绕动外压缩室8a，以及设置在固定涡旋盘外曲线附近并将流体喷射到绕动内压缩室8b的第二喷射口22b。第二喷射口22b相对于第一喷射口22a在径向方向上并列配置，并且在绕动涡旋盘与外部的外部接触的状态下基本上不与旋转的外部压缩室8a连通一侧固定卷轴。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2009281165A Scroll compressor 有权
标题翻译：滚动压缩机
公开(公告)号：JP2009281165A
公开(公告)日：2009-12-03
申请号：JP2008131468
申请日：2008-05-20
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： TAKEDA KEI , OTAWARA MASARU , MIYAKE SHIGEJI , TOJO KENJI
IPC分类号： F04C28/28 , F04C18/02 , F04C28/06 , F04C28/26
摘要： PROBLEM TO BE SOLVED: To provide a scroll compressor using a self-starting type synchronous motor capable of miniaturizing the motor and high in reliability.
SOLUTION: This scroll compressor 1 is furnished with a compression mechanism part 2, a rotating shaft 300 and the self-starting type synchronous motor 600 to drive this rotating shaft. A fixed scroll 100 is furnished with a by-pass passage to return gas in a compression chamber 130 on the compression mechanism part to the suction side, a sliding type valve mechanism 106 to open and close this by-pass passage and a driving spring 109 to energize this valve mechanism to the compression chamber side, and this driving spring is provided projected to the inside of a discharge space from a back surface of the fixed scroll.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种使用能够使电动机小型化并且可靠性高的自启动型同步电动机的涡旋压缩机。解决方案：该涡旋式压缩机1配备有压缩机构部2，旋转轴300和自启动型同步电动机600，以驱动该旋转轴。固定涡旋盘100具有旁路通道，用于将压缩机构部分中的压缩室130中的气体返回到吸入侧，用于打开和关闭该旁路通道的滑动式阀机构106和驱动弹簧109 使该阀机构向压缩室侧通电，并且该驱动弹簧从固定涡旋盘的后表面突出到放电空间的内部。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2008291781A Refrigeration device for helium liquefaction, and compressor unit for helium 有权
标题翻译：用于呼气的制冷装置和用于呼吸的压缩机单元
公开(公告)号：JP2008291781A
公开(公告)日：2008-12-04
申请号：JP2007139294
申请日：2007-05-25
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： SHIIBAYASHI MASAO , MIZUNO TAKAO , TOJO KENJI , IZUNAGA YASUSHI
IPC分类号： F04C23/00 , F04C18/02 , F25B9/00
摘要： PROBLEM TO BE SOLVED: To improve performance and elongate service life, while suppressing increase in cost, simplifying and facilitating capacity controllability of a compressor, in a refrigeration device for helium liquefaction.
SOLUTION: The air-cooled compressor unit for helium of the refrigeration device for helium liquefaction comprises: a low-stage compressor unit 1100 having a low-stage compressor 100 increasing pressure of helium gas from low pressure to intermediate pressure; and a high-stage compressor unit 1200 having a high-stage compressor 200 increasing pressure of the helium gas from intermediate pressure to high pressure. A stroke capacity of the low-stage compressor 100 is set to be the same as a cylinder capacity of the high-stage compressor 200, an electric motor for inverter is commonly used for the low-stage compressor 100 and the high-stage compressor 200, and drive control of the low-stage compressor 100 and the high-stage compressor 200 is performed by using a single inverter 900 at the same revolution speed.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提高性能和延长使用寿命，同时在氦液化的制冷装置中抑制成本的增加，简化和促进压缩机的容量可控性。解决方案：用于氦液化的制冷装置的氦气的空气冷却压缩机单元包括：低级压缩机单元1100，其具有使氦气从低压到中压的压力的低级压缩机100; 以及具有将氦气从中压到高压的压力增加的高级压缩机200的高级压缩机单元1200。将低级侧压缩机100的行程容量设定为与高级侧压缩机200的气缸容量相同，逆变器用电动机通常用于低级侧压缩机100和高级侧压缩机200 ，并且通过以相同的转速使用单个逆变器900来执行低级压缩机100和高压侧压缩机200的驱动控制。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2008128576A Refrigerating cycle device 有权
标题翻译：制冷循环装置
公开(公告)号：JP2008128576A
公开(公告)日：2008-06-05
申请号：JP2006314971
申请日：2006-11-22
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： KOSOKABE HIROKATSU , TOJO KENJI , NAKAYAMA SUSUMU
IPC分类号： F25B1/10 , F25B1/00
CPC分类号： F25B9/06
摘要： PROBLEM TO BE SOLVED: To improve starting performance of an expander, and to improve operational stability and performance in a refrigerating cycle device provided with a displacement type expander.
SOLUTION: The refrigerating cycle device is provided with a radiator cooling a coolant compressed by a compressor 2 by air or water or the like, an evaporator absorbing heat from the air or water or the like to gasify the coolant, and the displacement type expander 6b of carrying out power recovery of fluid energy of the coolant in an expansion process. A detecting means is provided for detecting a rotational speed or an outflow pressure as operating situations of the expander 6b, and an operation control means is provided for varying a displacement ratio of the expander.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提高膨胀机的起动性能，并提高具有位移式膨胀机的制冷循环装置的运行稳定性和性能。解决方案：制冷循环装置设置有散热器，其通过空气或水等冷却由压缩机2压缩的冷却剂，蒸发器从空气或水等吸收热量以使冷却剂气化，并且排出型膨胀机6b在膨胀过程中进行冷却剂的流体能量的回收。提供了用于检测作为膨胀机6b的运转情况的转速或流出压力的检测装置，并且提供了用于改变膨胀机的位移比的操作控制装置。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2008014259A Horizontal scroll compressor 有权
标题翻译：水平滚动压缩机
公开(公告)号：JP2008014259A
公开(公告)日：2008-01-24
申请号：JP2006187383
申请日：2006-07-07
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： MIZUNO TAKAO , OTSUKA MUTSUMI , OHASHI KATSUYA , IZUNAGA YASUSHI , MATSUNAGA MUTSUNORI , MIYAKE SHIGEJI , TOJO KENJI
IPC分类号： F04C29/02 , F04C18/02 , F04C29/00
CPC分类号： F04C29/025 , F04C23/008 , F04C2270/24
摘要： PROBLEM TO BE SOLVED: To prevent refrigerating-machine oil from flowing out of the compressor, to supply oil in an oil-retention chamber to a sliding-part of a bearing, and decrease the amount of move out, in a horizontal scroll compressor.
SOLUTION: In the horizontal scroll compressor, compressed gas is discharged from a discharge pipe provided to a hermetic-vessel holding a compressor mechanism and an electric motor part. The inside of the hermetic vessel is separated by a supporting board into a first space holding the compressor mechanism and the electric motor part, and a second space provided with the discharge pipe. A communication path is provided below the supporting board so as to allow the bottom of the first space to communicate with the space upper than the driving shaft in the second space. In the case of high-speed operation where difference in oil levels is increased, the oil levels are adjusted through the communication path. In order to stabilize the oil supply to oil the bearing, the oil is supplied by an oil pump placed at the end of the drive shaft near the oil-retention chamber.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了防止冷冻机油从压缩机流出，将保油室中的油供给到轴承的滑动部分，并且在水平方向上减少移出量涡旋压缩机解决方案：在水平涡旋压缩机中，压缩气体从设置在保持压缩机构和电动机部件的密封容器的排出管排出。密封容器的内部由支撑板分隔成保持压缩机构和电动机部分的第一空间，以及设置有排出管的第二空间。在支撑板下方设置有连通路径，以允许第一空间的底部与第二空间中的驱动轴上方的空间连通。在油位差增加的高速运行的情况下，通过连通路径调整油位。为了稳定供油到轴承的油，油被放置在驱油轴的靠近保油室的端部的油泵供给。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2012002227A Horizontal scroll compressor 审中-公开
标题翻译：水平滚动压缩机
公开(公告)号：JP2012002227A
公开(公告)日：2012-01-05
申请号：JP2011186721
申请日：2011-08-30
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： MIZUNO TAKAO , OTSUKA MUTSUMI , OHASHI KATSUYA , IZUNAGA YASUSHI , MATSUNAGA MUTSUNORI , MIYAKE SHIGEJI , TOJO KENJI
IPC分类号： F04C29/02
摘要： PROBLEM TO BE SOLVED: To prevent refrigerating machine oil from flowing out of a compressor, to supply oil in an oil retention chamber to a sliding part of a bearing, and to reduce the amount of oil rise in a horizontal scroll compressor.SOLUTION: In the horizontal scroll compressor, compressed gas is discharged from a discharge pipe provided to a hermetic vessel holding a compressor mechanism and an electric motor part. The inside of the hermetic vessel is separated by a supporting plate into a first space holding the compressor mechanism and the electric motor part, and a second space provided with the discharge pipe. A communication path is provided below the supporting board so as to allow the bottom of the first space to communicate with the space above a driving shaft in the second space. When a difference in oil levels is increased during high speed operation, the oil levels are adjusted through the communication path. In order to stabilize the oil supply to oil the bearing, the oil is supplied by an oil pump placed at the end of the driving shaft near the oil retention chamber.
摘要翻译：要解决的问题：为了防止冷冻机油从压缩机流出，将保油室中的油供给到轴承的滑动部分，并且减少水平涡旋压缩机中的油上升量。解决方案：在水平涡旋压缩机中，压缩气体从设置在保持压缩机构和电动机部件的密闭容器的排出管排出。密封容器的内部由支撑板分隔成保持压缩机构和电动机部分的第一空间，以及设置有排出管的第二空间。在支撑板下方设置有连通路径，以便允许第一空间的底部与第二空间中的驱动轴上方的空间连通。当在高速运行期间油位差增加时，通过通信路径调整油位。为了稳定供油给轴承油，油被放置在驱动轴的端部附近的储油室的油泵供给。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2010116828A Scroll compressor and refrigeration air conditioner 审中-公开
标题翻译：滚动压缩机和制冷空调
公开(公告)号：JP2010116828A
公开(公告)日：2010-05-27
申请号：JP2008290124
申请日：2008-11-12
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： SATO EIJI , TSUCHIYA TAKESHI , KONNO MASATSUGU , YANASE YUICHI , MATSUNAGA MUTSUNORI , NAKAMURA SATOSHI , TOJO KENJI
IPC分类号： F04C18/02 , F04C29/00 , F25B1/04
摘要： PROBLEM TO BE SOLVED: To provide a scroll compressor reducing leak of compressed gas by reducing seal gap of a compression chamber formed by a turning scroll and a fixed scroll. SOLUTION: In the scroll compressor including the fixed scroll and the turning scroll compressing gas, a crank shaft driving the turning scroll, a pin part provided on the crank shaft provided biased from an axis thereof by a turning radius and inserted in a turning bearing of the turning scroll, a main bearing part provided on a frame and supporting the crank shaft, and a motor driving the crank shaft, an eccentric amount r is set to satisfy an inequality expression εth COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决问题：通过减少由转动涡旋件和固定涡旋件形成的压缩室的密封间隙，提供一种减小压缩气体泄漏的涡旋式压缩机。解决方案：在包括固定涡旋件和转动涡旋压缩气体的涡旋压缩机中，驱动转动涡旋件的曲柄轴，设置在曲轴上的销部件，其设置为从其轴线偏转转动半径，并插入到旋转涡旋件的转动轴承，设置在框架上并支撑曲轴的主轴承部件和驱动曲轴的马达，偏心量r被设定为满足不等式表达式εth

10. 发明专利

JP2009250200A Hermetic scroll compressor for helium 有权
标题翻译：用于呼吸的HERMETIC SCROLL压缩机
公开(公告)号：JP2009250200A
公开(公告)日：2009-10-29
申请号：JP2008102505
申请日：2008-04-10
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： SHIIBAYASHI MASAO , TOJO KENJI , IZUNAGA YASUSHI
IPC分类号： F04C18/02 , F04C29/02
摘要： PROBLEM TO BE SOLVED: To suppress pressure pulsation of a suction pipe line; to reduce oil stirring loss in a suction chamber; to reduce pressure loss in a discharge passage; to suppress discharge pressure pulsation; and to reduce flow resistance loss power, in a hermetic scroll compressor for helium. SOLUTION: When a turning outside compression chamber 8a becomes maximum suction volume, a lap outer peripheral surface at a lap winding finish end part of a turning scroll 6 and a lap inner peripheral surface of a fixed scroll 5 are brought into contact with each other at a first contact position. When a turning inside compression chamber 8b becomes maximum suction volume, a lap inner peripheral surface at a lap winding finish end part of the turning scroll 6 and a lap outer peripheral surface of the fixed scroll 5 are brought into contact with each other at a second contact position. A winding angle of the first contact position of the fixed scroll 5 is extended by a prescribed angle in relation to a winding angle of the second contact position of the fixed scroll 5. A winding angle of the first contact position of the turning scroll 6 and a winding angle of the second contact position of the turning scroll 6 coincide with the winding angle of the first contact position of the fixed scroll 5. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：抑制吸管管路的压力脉动; 以减少吸入室中的油搅拌损失; 以减少排出通道中的压力损失; 抑制排出压力脉动; 并且在用于氦的密封式涡旋压缩机中降低流阻损耗功率。解决方案：当转向外部压缩室8a变成最大吸入容积时，转动涡卷6的卷绕完成端部的卷绕外周面和固定涡卷5的搭接内周面与第彼此处于第一接触位置。当转向内部压缩室8b变成最大吸入容积时，转动涡卷6的搭接卷绕端部的搭接内周面和固定涡旋盘5的搭接部外周面在第二侧彼此接触联系方式固定涡旋件5的第一接触位置的卷绕角相对于固定涡盘5的第二接触位置的卷绕角度延伸规定的角度。转向涡卷6的第一接触位置和转动涡卷6的第二接触位置的卷绕角度与固定涡盘5的第一接触位置的卷绕角度相一致。（C）2010，JPO＆INPIT

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