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31. 发明专利

JP2002276990A CEILING EMBEDDED TYPE INDOOR UNIT STRUCTURE OF AIR CONDITIONER 失效
公开(公告)号：JP2002276990A
公开(公告)日：2002-09-25
申请号：JP2001084410
申请日：2001-03-23
申请人： MITSUBISHI HEAVY IND LTD
发明人： ISHIDA YUKARI , YAMASHITA SUSUMU , ETSUNO HIROSHI
IPC分类号： F24F13/20 , F24F13/32 , F24F1/00
摘要： PROBLEM TO BE SOLVED: To provide a ceiling embedded type indoor unit structure of air conditioner in which the workability is enhanced when a panel member is fixed to the body section or removed therefrom. SOLUTION: A panel member 20 being fixed to the body section such that the panel member 20 is exposed to indoor ceiling is provided, in the vicinity of the opposite end parts on a line substantially passing through the center, with a pair of temporary stopping bolt holes 23A and 23B having bolt passing parts 23a and 23b. The bolt passing part 23b provided in the temporary stopping bolt hole 23B is opened in the direction along a circular arc centering the bolt hole 23A and having a radius equal to the distance R between both temporary stopping bolt holes 23A and 23B.

32. 发明专利

JP2001033059A AIR CONDITIONER 失效
公开(公告)号：JP2001033059A
公开(公告)日：2001-02-09
申请号：JP2000208894
申请日：2000-07-10
申请人： MITSUBISHI HEAVY IND LTD
发明人： YAMASHITA SUSUMU , HOSOGAI FUTOSHI
IPC分类号： F24F13/20 , F24F13/28 , F24F1/00
摘要： PROBLEM TO BE SOLVED: To omit an expensive instrument and lower the cost down of ascending and descending of a suction grille. SOLUTION: A suction grille 11 of an air conditioner is provided with pulleys 30-33 at four corners respectively, and wires 38, 39 whose one ends are fixed to the proper places of a unit main body side are suspended through a pair of pulleys 30, 31, and pulleys 32, 33 out of the pulleys 30-33. In this case, spools 36, 37 for winding or rewinding the other ends of the wires 38, 39 are provided for each wires 38, 39 while at least each one of reversible motors 34, 35 is provided for driving the rotation of the spools 36, 37.

33. 发明专利

JPH11153344A AIR CONDITIONER 失效
公开(公告)号：JPH11153344A
公开(公告)日：1999-06-08
申请号：JP32123297
申请日：1997-11-21
申请人： MITSUBISHI HEAVY IND LTD
发明人： YOSHIDA SHIGERU , CHIGA MASASATO , YAMASHITA SUSUMU
IPC分类号： F24F1/00 , F24F13/30
摘要： PROBLEM TO BE SOLVED: To restrain an increase in noise due to unevenness of air speed as well as air flow direction and unify a heat transfer rate across a whole body of a heat exchanger, by a method wherein a fan and the circular heat exchanger are arranged in a substantially rectangular cabinet while an interval between the outer periphery of the fan and the heat exchanger is unified. SOLUTION: In an indoor unit 10, the evaporator 11 of a heat exchanger is formed so as to have a circular shape and is arranged at a substantially uniform distance along the outer periphery of a turbofan 31. In this case, an angle between a fan and the turbofan 31 which constitute the evaporator 11 is constant along the circumference of the fan whereby the speed of air for the evaporator 11 can be unified across the whole of the evaporator 11. According to this method, a heat transfer rate can be improved across the whole of the evaporator 11 and the evaporator 11 can be miniaturized. The increase in noise due to the unevenness of air speed and air flow direction is restrained.

34. 发明专利

JPH0972636A ACCUMULATOR AND AIR CONDITIONER UTILIZING THIS ACCUMULATOR 失效
公开(公告)号：JPH0972636A
公开(公告)日：1997-03-18
申请号：JP17230096
申请日：1996-07-02
申请人： MITSUBISHI HEAVY IND LTD
发明人： HONMA KAZUMI , YAMASHITA SUSUMU , HAGISAWA TOMOHARU
IPC分类号： F25B1/00 , F25B43/02
摘要： PROBLEM TO BE SOLVED: To improve gas-liquid separation of refrigerant and restrict flowing- back of liquid to a compressor by a method wherein a connecting pipe to a second container is connected to a bottom part of a first container in an accumulator for a freezing cycle and then an oil returning pipe connected to a suction pipe for the compressor is connected to a bottom part of the second container. SOLUTION: Refrigerant of gas-liquid phases is fed from an inlet pipe 7 to a first container 8a of an accumulator, where gas and liquid are separated from each other. The separated liquid refrigerant falls from a falling pipe 10 into a second container 8B, and stored in the second container 8B. In turn, the separated gaseous refrigerant is passed through a suction pipe 9 and returned to a suction of the compressor 1. In addition, oil dissolved in the refrigerant is returned to a bottom part of the compressor 1 through an oil returning pipe 11 and an adjusting device 12. Further, liquid refrigerant containing separated oil flows down to the second lower container 8B through the dropping pipe 10 at the bottom part of the first container 8A and is stored there. Accordingly, it is possible to improve a gas-liquid separating efficiency of the refrigerant and also to avoid a returning of the liquid to the compressor 1.

35. 发明专利

JPH08327083A CEILING SUSPENDED TYPE AIR CONDITIONER 失效
公开(公告)号：JPH08327083A
公开(公告)日：1996-12-10
申请号：JP16283895
申请日：1995-06-06
申请人： MITSUBISHI HEAVY IND LTD
发明人： OBAYASHI KAZUMI , YAMASHITA SUSUMU , MATSUDA KENJI
IPC分类号： F24F1/00 , F24F13/32 , G10K11/16
摘要： PURPOSE: To reduce a pressure loss and noise by a method wherein aerodynamic characteristic of indoor air flowing through a ceiling suspended type air conditioner is improved. CONSTITUTION: A heat exchanger 8 is inclined and installed, a cross-flow fan 7 is mounted on the downstream side of the heat exchanger 8. A relation between a diameter D and a clearance δis set to be within a range of 0.13

36. 发明专利

JPH08327081A CEILING SUSPENDED TYPE AIR CONDITIONER 失效
公开(公告)号：JPH08327081A
公开(公告)日：1996-12-10
申请号：JP15529695
申请日：1995-05-30
申请人： MITSUBISHI HEAVY IND LTD
发明人： OBAYASHI KAZUMI , YAMASHITA SUSUMU
IPC分类号： F24F1/00 , F24F13/20 , F24F13/32
摘要： PURPOSE: To perform an installing work for an upper pipe removing operation in an easy and fast manner in a ceiling suspended type air conditioner by a method wherein a three-way T coupler for use in connecting a connecting refrigerant pipe with an outdoor device is connected in advance at an end part of the refrigerant pipe extending from a heat exchanger is installed within a casing. CONSTITUTION: Within a machine chamber 20 formed at a right side where an inner side of a easing 3 is partitioned by a partition plate 26 are arranged a motor 21 for driving a cross-flow fan 7 and T-shaped three-way T couplers 22, 23 for connecting connector refrigerant pipes 17, 18 for an outdoor device. The three-way T couplers 22, 23 have horizontal upper portions, they are mounted such that their legs are directed upward, and connection ports 22A, 23A formed at the upper left ends are connected in advance to the ends of the refrigerant pipes 25, 24 extending from a heat exchanger 8. Then, connection ports 22C, 23C formed at the upper right ends are directed rearwardly and the connection ports 22B, 22B formed at the upper ends of the legs are directed upwardly.

37. 发明专利

JPH04263715A 失效
公开(公告)号：JPH04263715A
公开(公告)日：1992-09-18
申请号：JP4541391
申请日：1991-02-19
申请人： MITSUBISHI HEAVY IND LTD
发明人： WATABE MAKOTO , YAMASHITA SUSUMU
IPC分类号： B01D46/10 , F24F13/28 , F24F1/00
摘要： PURPOSE:To suck the air from the air in the rear of the ceiling into the main body of a case and, at the same time, mount and dismount easily a filter for filtering the sucked air. CONSTITUTION:A suction port 22 is provided in the side wall of the main body 2 of a case, and a filter 23 that is freely mounted and dismounted to this suction port 22 is lifted or lowered through a through-hole 24 that is pierced through a ceiling panel 8.

38. 发明专利

JPH04263710A IN-CEILING RECESSED TYPE AIR CONDITIONER 失效
公开(公告)号：JPH04263710A
公开(公告)日：1992-09-18
申请号：JP4541491
申请日：1991-02-19
申请人： MITSUBISHI HEAVY IND LTD
发明人： WATABE MAKOTO , YAMASHITA SUSUMU
IPC分类号： F24F1/00 , F24F13/20
摘要： PURPOSE:To prevent so-called short cut which means that the conditioned air blow-out into a room from a blow-out port is involved in the air flow in the room that is sucked into the suction port. CONSTITUTION:A suction port 21 that sucks the air in a room 9 into the space 20 in the rear of the ceiling is provided at a position away from the case main body of the ceiling 1, and a conditioned air blowout port 4 is provided in a ceiling panel 8.

39. 发明专利

JPH04260744A AIR FLOW RATE CONTROL DEVICE IN AIR CONDITIONER 失效
公开(公告)号：JPH04260744A
公开(公告)日：1992-09-16
申请号：JP4049791
申请日：1991-02-13
申请人： MITSUBISHI HEAVY IND LTD
发明人： YAMASHITA SUSUMU , WATABE MAKOTO
IPC分类号： F24F11/76
摘要： PURPOSE:To prevent heating feeling from being lowered by providing means for increasing an air flow rate of a fan when temperature detected by temperature detector means is beyond a set value and decreasing the flow rate of the fan when the same is below the set value. CONSTITUTION:Temperature of a heat exchanger detected by temperature detecting means 20 is inputted by judgement means 21 and compared with a set value inputted from set means 22. When the temperature of the heat exchanger 7 is judged to be beyond the set value, air flow rate determination means 23 determines the increase of the air flow rate by receiving an output from the judgement means 21. The determined increase is outputted to a motor 5 via output means 24 to rotate the motor 5 at a high rotational speed and increase the air flow rate of the fan 6. On the other hand, when the judgement means 21 judges that the temperature of the heat exchanger 7 is below the set values, the air flow rate determination means 23 determines the decrease of the air flow rate which is in turn outputted to the motor 5 via the output means 24. The number of revolutions of the motor 5 is rotated at a low speed to reduce the flow rate of the fan 6.

40. 发明专利

JP2014029238A Device, method, and program of controlling air-filter automatic cleaning mechanism, and air conditioner including air-filter automatic cleaning mechanism 有权
标题翻译：空气过滤器自动清洁机构的设备，方法和程序，以及包括空气过滤器自动清洁机构的空气调节器
公开(公告)号：JP2014029238A
公开(公告)日：2014-02-13
申请号：JP2012169930
申请日：2012-07-31
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： SAEGUSA AKIRA , YAMASHITA SUSUMU
IPC分类号： F24F13/28
摘要： PROBLEM TO BE SOLVED: To quickly return a state of a dust removal mechanism to a balanced state even if it is impossible to detect position detection members and the dust removal mechanism is in an unbalanced state.SOLUTION: A pair of position detection members arranged on both sides of a dust removal mechanism along a moving direction of the dust removal mechanism, and each of the position detection members includes a plurality of protrusions. A start position that is in parallel to a direction orthogonal to a traveling direction of the dust removal mechanism and indicating a position from which the dust removal mechanism starts moving is provided on each position detection member. A control device includes position detection means for outputting an ON signal indicating detection of the protrusions of the position detection members; and recovery unit 51 that adjusts positions of both ends of the dust removal mechanism, moves the dust removal mechanism to the start position, and arranges a longitudinal direction of the dust removal mechanism to be parallel to the start position before, during or after movement of the dust removal mechanism if a detection timer measuring an ON-signal receiving interval is unable to obtain the ON signal for a predetermined period.
摘要翻译：要解决的问题：即使不可能检测到位置检测构件并且除尘机构处于不平衡状态，也能够将除尘机构的状态快速返回到平衡状态。解决方案：一对位置检测构件，其布置在除尘机构的移动方向的除尘机构的两侧，各位置检测部件具有多个突起。平行于与除尘机构的行进方向正交的方向并且指示除尘机构开始移动的位置的起始位置设置在各位置检测部件上。控制装置包括：位置检测装置，用于输出表示检测位置检测部件的突起的ON信号; 以及调整除尘机构两端的位置的回收单元51，将除尘机构移动到起始位置，并且将除尘机构的长度方向排列为平行于开始位置的前后位置，如果测量ON信号接收间隔的检测定时器不能在预定时间段内获得ON信号，则除尘机构。

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