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1. 发明专利

JP2014211101A 圧縮機有权
标题翻译：压缩机
公开(公告)号：JP2014211101A
公开(公告)日：2014-11-13
申请号：JP2013087016
申请日：2013-04-18
申请人：三菱電機株式会社 , Mitsubishi Electric Corp
发明人： KAMIKAWA MASAAKI , SHIMOJI MIHOKO , SHINGU KEISUKE , TSUKAMOTO KAZUYUKI , KODA TOSHIHIDE
IPC分类号： F04C29/02 , F04B39/04 , F04C18/16
CPC分类号： F04B39/04 , F04C18/16 , F04C29/02
摘要：【課題】製造に手間のかかる旋回強化板や整流板の溶接作業をおこなうことなく、内筒部外部を流れる旋回流の流速を維持するとともに、内筒部内部を流れる上昇流の旋回方向の流れを抑制することができる、安価で高性能、高油分離効率なスクリュー圧縮機を容易に得る。【解決手段】サイクロン油分離器4の内筒部14の外周面と内周面の面粗度を異なるものとし、外周面は面粗度を小さくして旋回流の抵抗を小さくし、内周面は面粗度を大きくして旋回流の抵抗を大きくする。【選択図】図2
摘要翻译：要解决的问题：为了容易地获得具有高性能和高油分离效率的便宜的螺杆式压缩机，能够抑制在内筒部内移动的向上流动的旋转方向的运动，同时保持涡流的流动移动在不进行用于涡旋增强板的焊接作业的内筒部分的外侧和在制造时需要花费大量时间和精力的矫直板。解决方案：旋风分离器4的内筒部14的外周面的表面粗糙度不同从其内周面的面。外周面的表面粗糙度降低，以减小涡流的阻力，内周面的表面粗糙度增加，从而增加涡流的阻力。

2. 发明专利

JP2013124600A Screw compressor 有权
标题翻译：螺旋压缩机
公开(公告)号：JP2013124600A
公开(公告)日：2013-06-24
申请号：JP2011273994
申请日：2011-12-15
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAMINAKAI NAOTO , KAMIKAWA MASAAKI , SHIMOJI MIHOKO
IPC分类号： F04C18/16 , F04C18/52 , F04C28/12
摘要： PROBLEM TO BE SOLVED: To solve such a problem that, in a screw compressor, a conventional internal volume ratio varying mechanism and control make (the control method complicated and) the control device expensive since a variable Vi position is changed according to a condition in response to discharging pressure, suction pressure, rotation speed, current, voltage or the like.SOLUTION: A screw compressor includes an internal volume ratio varying mechanism having a variable Vi valve 8 so as to make the internal volume ratio Vi variable. A position of the variable Vi valve 8 is controlled at two stages.
摘要翻译：解决的问题为了解决这样一个问题，即在螺杆式压缩机中，传统的内部体积比变化机构和控制使（控制方法复杂化）和控制装置昂贵，因为可变Vi位置根据响应于排出压力，吸入压力，转速，电流，电压等的条件。解决方案：螺杆式压缩机包括具有可变Vi阀8的内部体积比变化机构，以使内部体积比Vi变化。可变Vi阀8的位置被控制在两个阶段。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012007859A Refrigerating cycle device 审中-公开
标题翻译：制冷循环装置
公开(公告)号：JP2012007859A
公开(公告)日：2012-01-12
申请号：JP2010146310
申请日：2010-06-28
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SHIMOJI MIHOKO , KODA TOSHIHIDE , KAGA KUNIHIKO , SHIRAISHI SOICHI , KAMIKAWA MASAAKI , KAMINAKAI NAOTO
IPC分类号： F25B1/00
摘要： PROBLEM TO BE SOLVED: To obtain a refrigerating cycle device which include a variable speed screw compressor and can suppress decline in performance and burning affected by a clearance formed on the outer peripheral face of a screw rotor.SOLUTION: The refrigerating cycle device includes: the variable speed screw compressor 101 operated by an inverter 100 and compressing refrigerant gas from an evaporator 102; a condenser 103 condensing and liquefying the refrigerant gas discharged from the screw compressor 101; liquid refrigerant injection piping 112 guiding high-pressure liquid refrigerant from the condenser 103 to a compression chamber 11 of the screw compressor 101; and discharge gas temperature control means (control means 120, electronic expansion valve 107) controlling a discharge gas superheat degree to a predetermined target value by controlling a liquid refrigerant injection flow rate injected to the compression chamber 11. When the screw compressor 101 is rotated in a predetermined high rotational frequency region, the predetermined target value of the discharge gas superheat degree is set lower than that during operation in a predetermined low rotational frequency region.
摘要翻译：要解决的问题：获得包括变速螺杆式压缩机的制冷循环装置，并且可以抑制由形成在螺杆转子的外周面上的间隙所影响的性能和燃烧的下降。解决方案：制冷循环装置包括：由变频器100操作的变速螺杆式压缩机101，并从蒸发器102压缩制冷剂气体; 冷凝器103冷凝并液化从螺杆式压缩机101排出的制冷剂气体; 将高压液体制冷剂从冷凝器103引导到螺杆式压缩机101的压缩室11的液体制冷剂喷射配管112; 以及通过控制喷射到压缩室11的液体制冷剂喷射流量而将排出气体过热度控制到预定目标值的排出气体温度控制装置（控制装置120，电子膨胀阀107）。当螺杆式压缩机101旋转预定的高旋转频率区域，将放电气体过热度的预定目标值设定为低于在预定的低旋转频率区域中的操作期间的预定目标值。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2010223438A SCROLL EXPANDER 审中-公开
公开(公告)号：JP2010223438A
公开(公告)日：2010-10-07
申请号：JP2009068082
申请日：2009-03-19
申请人： MITSUBISHI ELECTRIC CORP
发明人： NAGATA HIDEAKI , TSUNODA MASAYUKI , SHIMOJI MIHOKO , SEKIYA SHIN , KODA TOSHIHIDE
IPC分类号： F25B1/10 , F25B1/00 , F25B9/06 , F25B11/02
摘要： PROBLEM TO BE SOLVED: To provide a scroll expander capable of being securely started. SOLUTION: The scroll expander comprises: an expander 2 which has an expander fixing scroll 21, an oscillation scroll 40 combined with the expander fixing scroll 21 to form an expansion chamber, and a shaft 43 for driving the oscillation scroll 40, and recovers power by expanding refrigerant in the expansion chamber; a first permanent magnet 52 which is provided on a balancer 50 formed of non-magnetic material and rotating together with the shaft 43; and a second permanent magnet 53 which is provided on a sub compressor fixing scroll 31 which stands still during rotation of the shaft 43 of the oscillation scroll 40, generates magnetic suction force between the first permanent magnet 52 and itself, and stops the shaft 43 of the oscillation scroll 40 at a specific crank angle during non-operation by the magnetic suction force. The specific crank angle is a crank angle in which thrust load acting on the oscillation scroll 40 at the next start becomes small enough not to prevent the start. COPYRIGHT: (C)2011,JPO&INPIT

5. 发明专利

JP2010096417A Scroll expansion device and refrigerating cycle device including the same 审中-公开
标题翻译：滚动膨胀装置和包括其的制冷循环装置
公开(公告)号：JP2010096417A
公开(公告)日：2010-04-30
申请号：JP2008267263
申请日：2008-10-16
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SEKIYA SHIN , TSUNODA MASAYUKI , NAGATA HIDEAKI , SHIMOJI MIHOKO
IPC分类号： F25B1/10
摘要： PROBLEM TO BE SOLVED: To provide a scroll expansion device reducing thrust load applied to an oscillating scroll in the state where a pressure difference between an inlet and an outlet of an compression mechanism is different from a pressure difference between an inlet and an outlet of the expansion device, and a refrigerating cycle device including the scroll expansion device.
SOLUTION: The scroll expansion device 1 includes seal mechanisms (outer peripheral seal 23a and an outer peripheral seal 23b) with different inner diameters formed on a spiral tooth profile formation face of a fixed scroll 51 or a fixed scroll 61 on the outer side from the outermost peripheral side. A back pressure chamber 80 is formed between the seal mechanisms. The back chamber 80 is communicated with a refrigerant inlet side of an expansion mechanism 5 or a refrigerant inlet side of an auxiliary compression mechanism 6.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种涡旋膨胀装置，其在压缩机构的入口和出口之间的压力差与入口和压力机构之间的压力差不同的状态下减小施加到摆动涡旋件的推力负荷膨胀装置的出口和包括涡旋膨胀装置的制冷循环装置。解决方案：涡旋膨胀装置1包括形成在固定涡旋件51或固定涡旋盘61的螺旋齿廓形成面上的不同内径的密封机构（外周密封件23a和外周密封件23b）侧。背压室80形成在密封机构之间。后室80与膨胀机构5的制冷剂入口侧或辅助压缩机构6的制冷剂入口侧连通。（C）2010，JPO＆INPIT

6. 发明专利

JP2010043556A Expander unit and refrigeration cycle device including the same 审中-公开
标题翻译：扩展单元和制冷循环装置，包括它们
公开(公告)号：JP2010043556A
公开(公告)日：2010-02-25
申请号：JP2008206382
申请日：2008-08-08
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SHIMOJI MIHOKO , TSUNODA MASAYUKI , KODA TOSHIHIDE , SEKIYA SHIN , NAGATA HIDEAKI , OKAZAKI TAKASHI
IPC分类号： F01C13/04 , F01C1/02 , F01C1/04 , F01C21/04 , F01C21/18 , F04C18/02 , F25B9/06 , F25B11/02
摘要： PROBLEM TO BE SOLVED: To provide an expander unit automatically adjusting the difference between the flow rate of refrigerant flowing in a sub compressor and the flow rate of refrigerant that can be sucked while materializing a compact structure, and a reliable and efficient refrigeration cycle device capable of operating under a wide range of conditions by incorporating the expander unit.
SOLUTION: The expander unit 1 includes a bypass port 361f providing communication between a sub compression delivery space 370 and at least one of a suction chamber 374 and a sub compression chamber 363, and a bypass check valve 331 controlling communication/shut-off of the bypass port 361f in a closed vessel 310.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种膨胀机单元，其自动调节在副压缩机中流动的制冷剂的流量与可以吸入的制冷剂的流量之间的差异，同时实现紧凑的结构，以及可靠和有效的制冷循环装置，其能够在宽范围的条件下通过并入膨胀器单元而运行。解决方案：扩张器单元1包括提供副压缩输送空间370和吸入室374和副压缩室363中的至少一个之间的连通的旁通端口361f，以及控制通信/关闭的旁通止回阀331，关闭在封闭容器310中的旁路端口361f。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2008202567A Scroll compressor 审中-公开
标题翻译：滚动压缩机
公开(公告)号：JP2008202567A
公开(公告)日：2008-09-04
申请号：JP2007042195
申请日：2007-02-22
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： NAKAO HIDETO , SASAKI TATSUYA , SEKIYA SHIN , TSUNODA MASAYUKI , SHIMOJI MIHOKO , SUGAWA MASAAKI
IPC分类号： F04C18/02
摘要： PROBLEM TO BE SOLVED: To obtain a scroll compressor having a small leakage loss, being efficient, and suppressing the wear amount of a tip end surface and a teeth bottom surface of rocking side spiral teeth of a rocking scroll.
SOLUTION: The scroll compressor comprises the rocking scroll 31 having rocking side upper spiral teeth 31L and rocking side lower spiral teeth 31M on both surfaces and manufactured from material including aluminum as a principal component; and upper and lower side fixing scrolls 33, 34 oppositely installed on both surfaces of the rocking scroll 31 and having fixed side upper spiral teeth 33E and fixed side lower spiral teeth 34E engaged with the rocking side upper spiral teeth 31L and the rocking side lower spiral teeth 31M. A tip seal 36 is attached only on a tip end surface if the fixed side upper spiral teeth 33E of the upper side fixed scroll 33 and a tip end surface of the rocking side upper spiral teeth 31L engaged with the fixed side upper spiral teeth 33E. A hard layer 29 having surface hardness equal to the surface hardness of the lower side fixed scroll 34 is formed on the rocking scroll 31.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了获得具有较小泄漏损失的涡旋压缩机，能够有效地抑制摆动涡旋件的摆动侧螺旋齿的前端面和齿底表面的磨损量。解决方案：涡旋压缩机包括在两面上具有摆动侧上螺旋齿31L和摆动侧下螺旋齿31M的摆动涡旋件31，并由包括铝作为主要成分的材料制成; 以及相对地安装在摇动涡旋件31的两个表面上并且具有固定侧上部螺旋齿33E和与摆动侧上部螺旋齿31L啮合的固定侧下部螺旋齿34E和摆动侧下部螺旋形的上侧和下侧固定涡旋件33,34 牙31M。如果上侧固定涡盘33的固定侧上螺旋形齿33E和摆动侧上螺旋齿31L的前端面与固定侧上螺旋齿33E啮合，则顶端密封件36仅安装在前端面上。具有与下侧固定涡盘34的表面硬度相等的表面硬度的硬质层29形成在摆动涡旋件31上。（C）2008，JPO＆INPIT

8. 发明专利

JP2014077353A Scroll expander and refrigeration cycle device equipped with the scroll expander 审中-公开
标题翻译：滚筒式膨胀机和制冷循环装置配有滚筒式膨胀机
公开(公告)号：JP2014077353A
公开(公告)日：2014-05-01
申请号：JP2011022573
申请日：2011-02-04
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SHIMOJI MIHOKO , TSUNODA MASAYUKI , NAGATA HIDEAKI , ISHIZONO FUMIHIKO , SEKIYA SHIN , KODA TOSHIHIDE , KAGA KUNIHIKO
IPC分类号： F01C1/02 , F01C13/04 , F04C18/02 , F04C23/02 , F04C29/04 , F25B1/10
CPC分类号： F01C1/0207 , F01C21/001 , F01C21/06 , F25B1/04 , F25B1/10 , F25B9/008 , F25B9/06 , F25B2400/075
摘要： PROBLEM TO BE SOLVED: To provide a scroll expander which suppresses heat leakage from a compression mechanism side to an expansion mechanism side while reducing thrust force, and is highly efficient under a wide operating condition.SOLUTION: A scroll expander 1 is provided with a liquid injection port 93 capable of injecting a liquid refrigerant from the outside of a sealing container 10 into a sub compression chamber 6a on a fixed scroll 61 which is a second fixed scroll. While a thrust load acting on a rocking scroll 52 is reduced, compression gas is cooled by liquid injection to the sub compression chamber, and heat leakage from a sub compression mechanism side to an expansion mechanism side through a base plate 61a of the rocking scroll can be suppressed.
摘要翻译：要解决的问题：提供一种在减小推力的同时抑制从压缩机构侧向膨胀机构侧的热泄漏的涡卷膨胀机，并且在宽的运行条件下是高效的。解决方案：涡卷膨胀机1设置有液体能够将液体制冷剂从密封容器10的外部喷射到作为第二固定涡旋件的固定涡旋盘61上的副压缩室6a的喷射口93。当作用在摆动涡旋件52上的推力负载减小时，压缩气体通过液体喷射到副压缩室而被冷却，并且通过摇动涡旋件的底板61a从副压缩机构侧向膨胀机构侧的热泄漏被压制

9. 发明专利

JP2013147968A Screw compressor 有权
标题翻译：螺旋压缩机
公开(公告)号：JP2013147968A
公开(公告)日：2013-08-01
申请号：JP2012007782
申请日：2012-01-18
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ISHIMOTO MASAYASU , NAKASUJI TOMOAKI , HASEGAWA MASAHIKO , SHIMOJI MIHOKO , KODA TOSHIHIDE , KAMIKAWA MASAAKI
IPC分类号： F04C18/16 , F04C28/12
摘要： PROBLEM TO BE SOLVED: To provide a screw compressor with a variable volume ratio Vi valve for adjusting a volume ratio Vi of a suction volume of a compressor to a discharge volume thereof.SOLUTION: A screw compressor 100 includes: a variable volume ratio Vi valve 6 for adjusting a volume ratio Vi of a suction volume of a compressor 7 to a discharge volume thereof; and a ball screw mechanism part 50 comprised of a rod 51 being a ball screw axis and a ball screw nut 52, wherein the variable volume ratio Vi valve 6 is connected with the ball screw mechanism part 50, and adjusts the volume ratio Vi owing to forward and reverse driving of the ball screw mechanism part 50.
摘要翻译：要解决的问题：提供一种螺杆压缩机，其具有用于调节压缩机的吸入容积的体积比Vi与其排出容积的可变容积比Vi阀。解决方案：螺杆式压缩机100包括：可变容积比Vi阀 6，用于将压缩机7的吸入容积的体积比Vi调节为其排出量; 以及由作为滚珠丝杠轴线的杆51和滚珠丝杠螺母52构成的滚珠丝杠机构部50，其中，可变容积比Vi阀6与滚珠丝杠机构部50连接，并且由于滚珠丝杠机构部50的前后驱动。

10. 发明专利

JP2010249047A Screw compressor 有权
标题翻译：螺旋压缩机
公开(公告)号：JP2010249047A
公开(公告)日：2010-11-04
申请号：JP2009100031
申请日：2009-04-16
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SHIMOJI MIHOKO , SHIRAISHI SOICHI , TSUKAMOTO KAZUYUKI
IPC分类号： F04C18/52 , F04C29/02
摘要： PROBLEM TO BE SOLVED: To provide a screw compressor of a monogate rotor (single gate rotor) structure for suppressing the occurrence of leakage in a high pressure seal part which is formed in the clearance between a screw rotor and a bearing housing internally mounted with the bearing of the screw rotor. SOLUTION: Near the boundary between a high pressure region and a low pressure region of the high pressure seal part 30, an oiling port 15 communicated with the oiling passage 14 of the bearing housing 10 is opened from which oil is injected near the boundary. COPYRIGHT: (C)2011,JPO&INPIT

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