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71. 发明专利

JPH02201085A FLUID COMPRESSOR 失效
公开(公告)号：JPH02201085A
公开(公告)日：1990-08-09
申请号：JP2109589
申请日：1989-01-31
申请人： TOSHIBA CORP
发明人： OKUDA MASAYUKI , SAKATA KANJI , HAYANO MAKOTO , HATTORI HITOSHI , MOROZUMI NAOYA
IPC分类号： F04C18/344 , F04C18/107
摘要： PURPOSE:To perform protrusion and retraction of a blade of a fluid compressor, in which a rotor with a spiral blade fitted in a spiral groove formed at the periphery is fitted in a cylinder, by locating the axis of the rotor eccentrically above the axis of the cylinder. CONSTITUTION:A stator 5 of an electromotive element 3 is fixed to the inner surface of an enclosed case 2, and a cylinder 7 is fitted on a rotor 6 arranged inside thereof, wherein the two ends are supported rotatably by bearings 8, 9. A piston 11 is fitted in this cylinder 7 as a rotating element in an arrangement that the axis A of the piston 11 is in an amount (e) eccentric above the axis B of the cylinder 7 and that these axes A, B are parallel with the axis of the enclosed case 1. This piston 11 is provided at its periphery with a spiral groove 19 reducing its pitch from the suction side gradually toward the discharge side, and a spiral blade 21 is fitted in this groove 19 in such a way that it can advance and retreat freely.

72. 发明专利

JPH02123298A COMPRESSOR 失效
公开(公告)号：JPH02123298A
公开(公告)日：1990-05-10
申请号：JP27557488
申请日：1988-10-31
申请人： TOSHIBA CORP
发明人： HATTORI HITOSHI , SAKATA KANJI , HAYANO MAKOTO , OKUDA MASAYUKI , MOROZUMI NAOYA
IPC分类号： F04D3/02 , F04C18/107
摘要： PURPOSE:To reduce thrust loss and slide motion loss and achieve a high efficiency in a helical blade type compressor by composing a cylinder and a piston symmetrical at a center part of their length, leading subject fluid to be compressed to the center part, and taking the fluid from both end parts. CONSTITUTION:For a compressor of a helical blade type having compression elements formed symmetrical at a center part, subject fluid to be compressed is led to the center part and taken out from both end parts. Thrust forces produced in operation chambers on the right and left side along the length of a cylinder 15 and a piston 16 act from both end parts to the center part, where the sizes are almost the same while the directions are opposite to each other, and they offset each other to reduce thrust loss. In addition, because the subject fluid is separated to the right and left, a pitch of spiral groove on the suction port side necessary for obtaining a predetermined elimination volume can be small. Deformation distortion produced at blades 21a, 21b is reduced greatly, thereby slide motion loss can be reduced.

73. 发明专利

JPH02123291A SCROLL FLUID MACHINE 失效
公开(公告)号：JPH02123291A
公开(公告)日：1990-05-10
申请号：JP27295388
申请日：1988-10-31
申请人： TOSHIBA CORP
发明人： MOROZUMI NAOYA , SAKATA KANJI , HAYANO MAKOTO
IPC分类号： F04C18/02
摘要： PURPOSE:To obtain a scroll fluid machine which maintains a proper sealing ability in spite of unevenness in the centrifugal force and has a less slide motion loss by engaging a shaft crank part with a rotation scroll part through a resilient body put between them. CONSTITUTION:A bush 8 is provided at a boss part 3b of a rotation scroll 3 through an O-ring, and a crank part 4a of a shaft 4 is engaged with the bush 8. In this constitution, the O-ring 7 is compressed by the value of eccentricity of the crank part 4a, so a lap 3a of the rotation scroll 3 is pushed to a lap 5a of a fixed scroll 5 by a proper resiliency in the eccentric direction constantly because of existence of the O-ring 7 while it rotates. By combination with a proper centrifugal force acted with the O-ring 7 for a resilient body, a proper sealing ability is secured, and a slide motion loss between the lap side surfaces can be minimized.

74. 发明专利

JPS6463680A SCROLL BLADE 失效
公开(公告)号：JPS6463680A
公开(公告)日：1989-03-09
申请号：JP21912587
申请日：1987-09-03
申请人： TOSHIBA CORP
发明人： HAYANO MAKOTO , SAKATA KANJI , HATORI MITSUO , MOROZUMI NAOYA
IPC分类号： F04C18/02
摘要： PURPOSE:To contrive at enhancing the volumetric efficiency and at miniaturizing a blade in its entirety by reducing the thickness of a scroll rap from the spiral center part to the outer peripheral part thereof, and by decreasing the space defined by the scroll lap from the outer peripheral part to the center part. CONSTITUTION:In a scroll blade, a spiral scroll lap 1 is planted upright on a mirror plate. In this arrangement, the thickness of the scroll lap 1 is decreased from the spiral center part AB to the outer peripheral part IJ of the lap while the space defined by the scroll lap is set to be decreased from the outer peripheral part to the center part by an amount corresponding to the reduction in the thickness thereof. With this arrangement, the thickness of the scroll lap 1 can be increased in proportion to the compression ratio of the scroll compressor, and accordingly, it is possible to enhance the sealing effect in the center part where a particularly greater pressure differential is effected, so as to enhance the volumetric efficiency. Further, since the thickness of the scroll lap 1 may be decreased from the center part to the outer periphery thereof, the blade may be miniaturized in its entirety.

75. 发明专利

JPS63309790A SCROLL-TYPE COMPRESSION EQUIPMENT 失效
公开(公告)号：JPS63309790A
公开(公告)日：1988-12-16
申请号：JP14406287
申请日：1987-06-11
申请人： TOSHIBA CORP
发明人： MOROZUMI NAOYA , SAKATA KANJI , HAYANO MAKOTO , HATORI MITSUO
IPC分类号： F04C18/02
摘要： PURPOSE:To obtain stable starting of the captioned equipment by energizing a non-revolving element against a revolving element by means of an elastic member in such a manner that the non-revolving element can freely move within a certain range in the direction of the thrust. CONSTITUTION:A holder 27, which supports a non-revolving element 21, is provided with a hole 28, a receiving surface 29, a projected part 30, and a recessed part 52 to which a leaf spring 53 is attached. A revolving element 22 is provided with an end-plate 31, a scroll blade 32, and a cylindrical part 33. Once the compressive action starts, downward thrust force acts on the revolving element 22, while upward thrust force acts on the non-revolving element 21. In addition, owing to a leaf spring 53, downward thrust force acts on the non-revolving element 21. Since this downward thrust force is greater than the upward thrust force, no gap is formed between the end of the scroll blade 25 or 32 and each end plate 23 or 31. As a result, the sealing performance can be enhanced.

76. 发明专利

JPS63306290A SCROLL BLADE 失效
公开(公告)号：JPS63306290A
公开(公告)日：1988-12-14
申请号：JP13983687
申请日：1987-06-05
申请人： TOSHIBA CORP
发明人： SAKATA KANJI , HAYANO MAKOTO , HATORI MITSUO , MOROZUMI NAOYA
IPC分类号： F04C18/02
摘要： PURPOSE:To accurately perform positioning of a scroll lap, by providing the scroll lap, which is mounted being inserted to a scroll groove, forming height in the center side of a volute larger than the height in the peripheral part. CONSTITUTION:A scroll lap 3, wound in an involute curve shape, is mounted being inserted to a scroll groove formed in an end plate 1. The scroll lap 3 is formed into a tapered shape so as to obtain height H1 in the center side end part of a volute larger than the height H2 in the peripheral part. Accordingly, the scroll lap 3, which can be pressed to be adapted along the scroll groove to its end part, enables positioning of the center side end part of the volute to be accurately performed.

77. 发明专利

JPS63235684A SCROLL TYPE COMPRESSOR 失效
公开(公告)号：JPS63235684A
公开(公告)日：1988-09-30
申请号：JP6556787
申请日：1987-03-23
申请人： TOSHIBA CORP
发明人： SAKATA KANJI , NAGATOMO SHIGEMI , HAYANO MAKOTO , MOROZUMI NAOYA
IPC分类号： F04C18/02
摘要： PURPOSE:To arbitrarily set the volume of a sealed space formed between fixed and turning scrolls by forming a cut part outside from the point where winding is performed by 360 deg. from the center edge part of one lap between the fixed and turning scrolls. CONSTITUTION:In a scroll type compressor, fixed and turning scrolls each of which is formed into an equal shape are meshed, setting each lap oppositely, and gas is compressed by the turn of the turning scroll. In this case, a cut part is formed outside from the point where winding is performed by 360 deg. from the center edge part of the lap onto one between the fixed and turning scrolls. For example, in the turning scroll 2, the turning lap 6 is erected on a disc- shaped turning mirror plate 4, and a cut part 12 penetrating through the turning lap 6 is formed at the position returning by 1/4 from the edge part on the outer peripheral part of the turning lap 6. Therefore, the volume of the sealed space formed between the fixed and turning scrolls can be set arbitrarily.

78. 发明专利

JPS63227980A PUMP 失效
公开(公告)号：JPS63227980A
公开(公告)日：1988-09-22
申请号：JP5905487
申请日：1987-03-16
申请人： TOSHIBA CORP
发明人： MOROZUMI NAOYA , NAGATOMO SHIGEMI , SAKATA KANJI
IPC分类号： F04B39/00 , F04C15/00 , F04C23/02
摘要： PURPOSE:To improve the efficiency of a motor by jointing the inner peripheral surface of a stator of a motor for driving a pump mechanism part onto the pump mechanism and the outer peripheral surface of a partitioning wall between a rotor and the stator, thus reducing the gap between the rotor and stator. CONSTITUTION:When a motor 12 is driven by allowing an electric current to flow in the winding of a stator 13, a rotor 14 is revolved. The turning moment of the rotor 14 is transmitted to the inner and outer gears 3 and 2 through a shaft 5. Therefore, the space between the gears 3 and 2 shifts successively in the direction of revolution, and after coolant is inhaled into a suction chamber 9 from a suction port 8, said coolant is discharged outside through a discharge port 11 from a discharge chamber 10. Further, a portion of the coolant in the suction chamber 9 is introduced into the space between a lower plate 7 and a partitioning wall 15 from a communication hole 17. In this case, a part 15a of the cylindrical part of the partitioning wall 15 is made thinner than other parts 15b. Then, the inner peripheral surface of the iron core part of the stator 13 is joined with the outer periphery of the thinner part 15a.

79. 发明专利

JPS6385278A SCROLL COMPRESSOR 失效
公开(公告)号：JPS6385278A
公开(公告)日：1988-04-15
申请号：JP23064686
申请日：1986-09-29
申请人： TOSHIBA CORP
发明人： TSUNEMI KOICHI , YAMAMOTO YOSHIHIKO , NAGATOMO SHIGEMI , SAKATA KANJI
IPC分类号： F04C18/02
摘要： PURPOSE:To increase the limit PV value of a scroll and reduce the abrasion quantity by making one among the fixed and turning scrolls from the plastic containing polyether-ether ketone as main constituent. CONSTITUTION:The inside of a sealed container 1 is divided into two communicating spaces by a frame 2, and a centrifugal pump 3a is installed onto a main shaft 3 which is supported so as to contact the opened port 2a of the frame 2. The mirror plate 4a of a turning scroll 4 is supported by a circular projection 2b of the frame 2, and an annular body 4c is fitted onto the main shaft 3. The mirror plate 5a of the fixed scroll 5 is fixed onto the outer peripheral projection part 2c of the frame 2, and the laps 4a and 5a of the scrolls 4 and 5 are meshed with each other. With such constitution, at least one among the scrolls 4 and 5, e.g., the turning scroll 4 is made of the plastic containing polyether-ether ketone as main constituent.

80. 发明专利

JPS6361787A SCROLL VOLUME TYPE MACHINE 失效
公开(公告)号：JPS6361787A
公开(公告)日：1988-03-17
申请号：JP20509086
申请日：1986-09-02
申请人： TOSHIBA CORP
发明人： HAYANO MAKOTO , NAGATOMO SHIGEMI , SAKATA KANJI , HATORI MITSUO
IPC分类号： F04C29/02 , F01C1/02 , F04C18/02
摘要： PURPOSE:To prevent splashes of lubricating oil from being mixed in compressed gas and to prevent consumption of lubrication, by a method wherein a screw pump is mounted to a crank part at the upper end of a main shaft, and an oil extraction hole is formed in the bottom of the thrust bearing part of a frame. CONSTITUTION:When a main shaft 4 is started to rotate, after lubricating oil pumped up with the aid of a lubrication pump 4a lubricates a contact surface between a main shaft and a frame 12 and between a crank part 4b and a cylinder 1c, oil is fed to the upper surface of the crank part 4b. The lubricating oil is splashed, and is drained through an oil extraction hole 12b of the frame 12 to an under surface. Thus, since the lubricating oil does not pass a gas flow passage, an amount of lubricating oil being mixed in gas is decreased, and lubrication is effected by means of a small amount of lubricating oil.

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