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31. 发明专利

JP2001271745A INTAKE MUFFLER FOR COMPRESSOR, COMPRESSOR USING INTAKE MUFFLER FOR COMPRESSOR, AND REFRIGERATOR USING COMPRESSOR 失效
公开(公告)号：JP2001271745A
公开(公告)日：2001-10-05
申请号：JP2000088233
申请日：2000-03-28
申请人： MITSUBISHI ELECTRIC CORP
发明人： TANI MASAO , WATANABE EIJI , YAMAMOTO TAKASHI , OGAWA YOSHIHIDE , ISHII MINORU , TSUNODA MASAYUKI , ISHIZONO FUMIHIKO , KAWAGUCHI SUSUMU
IPC分类号： F04B39/00 , F04B39/04 , F25D11/00
摘要： PROBLEM TO BE SOLVED: To solve such problems that gas refrigerant and oil are not surely separated from each other in a conventional intake muffler for a compressor, reliability is reduced since lubricating oil is exhausted from the compressor, and heat transfer efficiency of a heat exchanger is reduced, since an efficiency for delivering separated oil into a compressor closed container is not high. SOLUTION: An intake muffler for a compressor is provided with a front surface wall 31a, a back surface wall 31b opposed to the front surface wall 31a, a refrigerant inlet 32 disposed on the front surface wall 31a so as to penetrate on the front surface wall 31a, and an oil separating plate 33 whose one end is connected to a lower end of the refrigerant inlet 32 and the other end is connected to the back surface wall 31b, and which is sloped at a down slope toward the refrigerant inlet 32 from the back surface wall 31b. In the intake muffler, a gas refrigerant including oil is taken in from the refrigerant inlet 32, oil is separated by raising the gas refrigerant by the oil separating plate 33, and then, the gas refrigerant is led out.

32. 发明专利

JPH11166493A ROTARY COMPRESSOR 失效
公开(公告)号：JPH11166493A
公开(公告)日：1999-06-22
申请号：JP33256197
申请日：1997-12-03
申请人： MITSUBISHI ELECTRIC CORP
发明人： IZAWA TAKESHI , KATO TARO , OGAWA YOSHIHIDE , SHIRAFUJI YOSHINORI , AKAHORI YASUYUKI
IPC分类号： F04C29/00 , F04C18/324 , F04C18/356
摘要： PROBLEM TO BE SOLVED: To narrow a height gap so as to prevent the leakage of coolant gas by providing a rolling piston changed in height dimension considering thermal expansion caused by a temperature difference and a vane engaged or integrally formed to restrict the self-rotation of the rolling piston. SOLUTION: A rolling piston 6 is restricted for its self-rotational motion by a vane 19 in contact with a notched part 22 and makes a swing motion. Thus, the rolling piston 6 includes a part brought into contact with low- temperature sucked gas and a part brought into contact with a high temperature, a temperature difference is generated therein, and thermal expansion causes a change in the height dimension of the rolling piston 6. The height of this rolling piston 6 is set such that a discharge room side having an increased temperature is small and an intake room side having a low temperature is large. Thus, since height dimensions are made uniform by thermal expansion when a temperature difference occurs in the rolling piston 6, a height gap is narrowed and the leakage of coolant gas is prevented.

33. 发明专利

JPH10281084A SCROLL COMPRESSOR 失效
公开(公告)号：JPH10281084A
公开(公告)日：1998-10-20
申请号：JP8686597
申请日：1997-04-04
申请人： MITSUBISHI ELECTRIC CORP
发明人： OGAWA YOSHIHIDE , ISHII MINORU , TSUNODA MASAYUKI , OGAWA HIROSHI , WATANABE EIJI , IZUMISAWA WATARU
IPC分类号： F04C18/02
摘要： PROBLEM TO BE SOLVED: To reduce noise with high efficiency over wide operating numbers of evolution of low and high speed by pressing and sliding the side surface of a spiral body of an oscillating scroll and the side surface of a spiral body of a fixed scroll in the operating number of revolution which is smaller than a stipulated number of revolution by the moving of a slider and making the side surfaces non-contact states when the operating number of revolution exceeds the stipulated number of revolution. SOLUTION: In the operating number of revolution which is smaller than a stipulated number of revolution, a movable weight 17 adheres to the outer peripheral surface 5d of a slider part 5a and centrifugal force applying to a slider 5 with balance weight including the movable weight 17 is smaller than centrifugal force applying to an oscillating scroll 2. Therefore, the oscillating scroll 2 is pressed in a direction that the revolution radius of the scroll 2 becomes larger and the side surface of a spiral body 2b of the oscillating scroll 2 slides, pressing on the side surface of a spiral body 1b of a fixed scroll 1. When the operating number of revolution exceeds the stipulated number of revolution, the movable weight 17 is away from the outer peripheral surface 5d of the slider part 5a and the side surface of the spiral body 2b of the oscillating scroll 2 and the side surface of the spiral body 1b of the fixed scroll 1 become non- contact state.

34. 发明专利

JPH0791380A SCROLL COMPRESSOR 失效
公开(公告)号：JPH0791380A
公开(公告)日：1995-04-04
申请号：JP23656693
申请日：1993-09-22
申请人： MITSUBISHI ELECTRIC CORP
发明人： IKEDA KIYOHARU , OGAWA HIROSHI , OGAWA YOSHIHIDE , AKIYAMA KAZUYUKI , SANO FUMIAKI
IPC分类号： F01C17/06 , F04C18/02 , F04C23/00 , F04C28/06 , F04C28/28
摘要： PURPOSE:To ease a pressure rise in time of sudden starting and to prevent any damage to a scroll tooth as well as to improve the extent of startability in a compressor by installing a means restricting any rotation of a scroll on one side and another means enlarging pressure in a closed space relatively in a scroll on the other, respectively. CONSTITUTION:In this scroll compressor, respective teeth of two scrolls 1 and 3 are meshed with each other, while they are set up so as to make a relative phase difference between them come to 180 degrees, and thereby plural closed spaces are formed there. The second scroll 3 is driven by a main shaft, and it is relatively revolved to the first scroll 1, whereby volume in the closed space is decreased and compressed. In this case, a rotation of the second scroll 3 is restrained in the main shaft direction by a rotation restraining means 50, and in the main shaft counter-rotational direction, a restraining range is enlarged, thereby varying the relative phase difference. On the other hand, at the time of an abnormal pressure rise in the closed space, pressure in a closed space 192 on one side is made larger than that in a closed space 194 on the other by a compression space torque forming means 60.

35. 发明专利

JP2007231960A Scroll compressor 审中-公开
标题翻译：滚动压缩机
公开(公告)号：JP2007231960A
公开(公告)日：2007-09-13
申请号：JP2007159708
申请日：2007-06-18
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： NISHIKI TERUHIKO , SEKIYA SHIN , FUSHIKI TAKESHI , SEHATA TAKASHI , SANO FUMIAKI , IKEDA KIYOHARU , OGAWA YOSHIHIDE
IPC分类号： F04C18/02 , F04C29/02
摘要： PROBLEM TO BE SOLVED: To provide a scroll compressor with an Oldham mechanism having improved reliability by ensuring oiling of each sliding portion of the Oldham mechanism while preventing the abnormal wear of the sliding portion.
SOLUTION: Refrigerant oil 10e is supplied from an oiling hole 4g into an oiling space 2h. The oiling space 2h is kept at a predetermined intermediate pressure by a pressure regulator 3p. When inner pressure is higher than the predetermined intermediate pressure, an on-off valve 3t is opened, the refrigerant oil is drained, and the predetermined intermediate pressure is held. The refrigerant oil 10e in the oiling space 2h is supplied to the inside of an Oldham annular portion 9a through an oiling path which is arranged in a sealed container 10 at the outside of the oiling space 2h and formed between the thrust face of a swing scroll 2 and the face of a thrust bearing of an axial moving frame 3 for oiling the sliding face of the Oldham annular portion 9a and the sliding faces of Oldham keys 9b, 9c, and then drained into a low-pressure suction space 2i.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种具有提高可靠性的奥德姆机构的涡旋式压缩机，通过确保对所述奥尔德姆机构的每个滑动部分的润滑，同时防止滑动部分的异常磨损。解决方案：将制冷剂油10e从上油孔4g供给到上油空间2h中。加油空间2h通过压力调节器3p保持在预定的中间压力。当内压高于预定的中间压力时，开关阀3t打开，排出冷冻机油，并保持预定的中间压力。供油用空间2h内的制冷剂油10e通过设置在上述供油用空间2h的外侧的密闭容器10内的排油通路供给到十字环状部9a的内部， 2和轴向移动框架3的推力轴承的表面，用于对奥德姆环形部分9a的滑动面和十字键9b，9c的滑动面进行上油，然后排入低压吸入空间2i。版权所有（C）2007，JPO＆INPIT

36. 发明专利

JP2003148347A COMPRESSOR 审中-公开
公开(公告)号：JP2003148347A
公开(公告)日：2003-05-21
申请号：JP2001343125
申请日：2001-11-08
申请人： MITSUBISHI ELECTRIC CORP
发明人： TANI MASAO , SANO FUMIAKI , IKEDA KIYOHARU , ISHII MINORU , FUSHIKI TAKESHI , OGAWA YOSHIHIDE , NISHIKI TERUHIKO , SEHATA TAKASHI , SEKIYA SHIN
IPC分类号： F04B39/04 , F04B39/00 , F04B39/12 , F04C18/02 , F04C23/00 , F04C29/02
摘要： PROBLEM TO BE SOLVED: To solve a problem of possible occurrence of oil exhaustion in a compressor due to taking out refrigerating machine oil much outside a sealed vessel since a refrigerant and the refrigerating machine oil are hardly separated in a conventional compressor. SOLUTION: This compressor is provided with a compression mechanism part housed in the sealed vessel, and delivering the refrigerant sucked in from the outside of the sealed vessel to a delivery space in the sealed vessel by compressing the refrigerant, an electric motor part arranged in a first space in the sealed vessel on the shaft directional opposite side of the delivery space to the compression mechanism part, composed of a stator and a rotor, and driving the compression mechanism part via a main shaft, a delivery pipe arranged in the sealed vessel, and opening in the first space, a compression mechanism part outer peripheral side passage arranged on the outer peripheral side of the compression mechanism part, and communicating the delivery space with the first space, and a fan arranged in a first space side end part of the rotor. The refrigerant delivered to the delivery space is introduced to the first space via the compression mechanism part outer peripheral side passage, and is discharged outside the sealed vessel after passing through the fan.

37. 发明专利

JP2003113783A SCROLL COMPRESSOR 审中-公开
公开(公告)号：JP2003113783A
公开(公告)日：2003-04-18
申请号：JP2001307074
申请日：2001-10-03
申请人： MITSUBISHI ELECTRIC CORP
发明人： SUZUKI YASUMASA , SEHATA TAKASHI , FUSHIKI TAKESHI , IKEDA KIYOHARU , TANI MASAO , OGAWA YOSHIHIDE , NISHIKI TERUHIKO , ISHII MINORU , SEKIYA SHIN , SANO FUMIAKI
IPC分类号： F04C29/02 , F04C18/02
摘要： PROBLEM TO BE SOLVED: To solve problems of a conventional scroll compressor such that discharge volume of refrigerating machine oil to the outside of a sealed vessel, especially when a rotational speed of a motor is large, increases and causes deterioration of performance of a refrigerating machine air-conditioner and deterioration of performance of a compressor. SOLUTION: In this scroll compressor, a sealed vessel 10 is of high pressure type, and refrigerating machine oil at the bottom is supplied to a sliding part by a differential pressure from the opening at the bottom end of a main spindle 4 or of an oil pipe 4f provided at the lower part of the main spindle 4. A main spindle cover 17 is provided for covering at least part of a refrigerating machine oil dipping part.

38. 发明专利

JP2002221165A ROTARY COMPRESSOR 失效
公开(公告)号：JP2002221165A
公开(公告)日：2002-08-09
申请号：JP2001015925
申请日：2001-01-24
申请人： MITSUBISHI ELECTRIC CORP
发明人： ISHII MINORU , YAMAMOTO TAKASHI , TSUNODA MASAYUKI , OGAWA YOSHIHIDE , WATANABE EIJI , TANI MASAO , KAWAGUCHI SUSUMU
IPC分类号： F04C29/02 , F04C18/00 , F04C18/32
摘要： PROBLEM TO BE SOLVED: To provide an extremely high-reliable rotary compressor capable of eliminating the production of a abrasion powder by minimizing the abrasion of a discharge side guide support and securing stable operability of both guides, and having a lubricating method to a blade and sliding parts of the guides without producing a deposit in a blade movement space. SOLUTION: By using a center line extending in the projecting direction of a blade when a roller is positioned at an upper dead point or a lower dead point in a cylinder chamber as a base line, the blade movement space side end part of the discharge side guide support is exposed from the discharge side guide in a certain revolution angle range with the blade inclined on the discharge side with respect to the base line, and faced to the blade movement space, and lubricating oil is fed to the blade movement space side end part.

39. 发明专利

JP2002147360A REFRIGERANT COMPRESSOR 失效
公开(公告)号：JP2002147360A
公开(公告)日：2002-05-22
申请号：JP2000339695
申请日：2000-11-07
申请人： MITSUBISHI ELECTRIC CORP
发明人： SEHATA TAKASHI , FUSHIKI TAKESHI , NISHIKI TERUHIKO , IKEDA KIYOHARU , OGAWA YOSHIHIDE , SANO FUMIAKI , SEKIYA SHIN
IPC分类号： F04B39/10 , F04C18/02 , F04C29/00 , F04C29/06 , F04C29/12
摘要： PROBLEM TO BE SOLVED: To obtain a refrigerant compressor preventing a valve from closing too late due to resistance of a liquid refrigerant or a refrigerator oil even in a condition that much refrigerant or refrigerator oil resides in a passage where an opening/closing valve slides. SOLUTION: A groove 17d for releasing the liquid refrigerant or the refrigerator oil extending in an opening/closing direction is formed on a circumference of the opening/closing valve 17a along the opening/closing direction of the valve 17a for lowering resistance of the refrigerator oil for opening/closing the valve 17a.

40. 发明专利

JP2001193673A ROTARY COMPRESSOR 失效
公开(公告)号：JP2001193673A
公开(公告)日：2001-07-17
申请号：JP2000001594
申请日：2000-01-07
申请人： MITSUBISHI ELECTRIC CORP
发明人： WATANABE EIJI , TSUNODA MASAYUKI , YAMAMOTO TAKASHI , KAWAGUCHI SUSUMU , ISHII MINORU , OGAWA YOSHIHIDE , MIYAJIMA TAKAKIMI , ISHIZONO FUMIHIKO , TANI MASAO
IPC分类号： F04C18/00 , F04C18/32
摘要： PROBLEM TO BE SOLVED: To establish a high efficient refrigerating cycle by reducing the amount of lubricating oil carried out of a compressor while maintaining the compressor efficiency, and enhancing the reliability of the comperssor. SOLUTION: This rotary compressor is composed of a piston 15a with its inside surface part fitted rotatably on an eccentric shaft part 7 of a drive shaft 6 and revolving eccentrically within a cylinder chamber 4 following rotation of the drive shaft; a blade 15b formed protrusively on the periphery of the piston to partition the cylinder chamber into a low pressure chamber and a high pressure chamber; swinging support parts 16 and 17 to support the protruding tip of the blade swigably, advanceably and retreatably following the piston revolution: a communication part 35 for communicating the inside of the swinging support parts with the inside of a sealed vessel; an supporting members 11 and 12 installed so as to block the cylinder chamber openings at both ends for supporting the drive shaft and piston rotatably. A tapered portion 40 is provided on the inside diameter side of the piston, and a lubricating oil is supplied to the gap between the piston and supporting members through the tapered portion.

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