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11. 发明专利

JP2013019333A Method of machining screw rotor 审中-公开
标题翻译：加工螺旋转子的方法
公开(公告)号：JP2013019333A
公开(公告)日：2013-01-31
申请号：JP2011153622
申请日：2011-07-12
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： HOSSAIN MOHAMMAD ANWAR , OKADA TADASHI
IPC分类号： F04C29/00 , F04C18/16 , F04C18/52
摘要： PROBLEM TO BE SOLVED: To avoid an uneven depth of a spiral groove when forming the spiral groove in an outer circumferential face of a workpiece which becomes a screw rotor of a screw compressor.SOLUTION: A fixture (3) has a fixed side tapered face (3a) with its vertex (G1) located in a central axis of the fixture (3). A workpiece side tapered face (4a) having a tapered angle (θ) which is the same as a tapered angle (θ) of the fixed side tapered face (3a) is formed on an end surface of a workpiece (4) so that its vertex (G2) is located in a central axis of the workpiece (4). The workpiece side tapered face (4a) of the workpiece (4) and the fixed side tapered face (3a) of the fixture (3) are contacted with each other to fix the workpiece (4) to the fixture (3) in a state in which the central axes of the workpiece (4) and the fixture (3) are matched to each other.
摘要翻译：要解决的问题：为了避免在成为螺杆式压缩机的螺杆转子的工件的外周面中形成螺旋槽时的螺旋槽的不均匀深度。解决方案：夹具（3）具有固定侧锥形面（3a），其顶点（G1）位于固定装置（3）的中心轴线上。在工件（4）的端面上形成具有与固定侧锥面（3a）的锥角（θ）相同的锥角（θ）的工件侧锥面（4a），使其顶点（G2）位于工件（4）的中心轴线上。工件（4）的工件侧锥面（4a）和夹具（3）的固定侧锥面（3a）彼此接触，以将工件（4）固定在固定装置（3）上其中工件（4）和夹具（3）的中心轴彼此匹配。版权所有（C）2013，JPO＆INPIT

12. 发明专利

JP2012159055A Screw compressor 审中-公开
标题翻译：螺旋压缩机
公开(公告)号：JP2012159055A
公开(公告)日：2012-08-23
申请号：JP2011020537
申请日：2011-02-02
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： HOSSAIN MOHAMMAD ANWAR , UENO HIROMICHI
IPC分类号： F04C18/52 , F04C29/02
摘要： PROBLEM TO BE SOLVED: To provide a screw compressor capable of improving the efficiency of operation by controlling a flow rate of lubricating oil supplied to a compression chamber.SOLUTION: An oil supply slide valve (80) is formed with a movable side oil passage (83) for supplying the lubricating oil in an oil storage chamber (18) to a compression chamber (23) by difference in pressure between the oil storage chamber (18) and the compression chamber (23). The oil supply slide valve (80), which is constructed of a member separate from a slide valve (4) for controlling the compression ratio of the compression chamber (23), slides in the axial direction of a screw rotor (40) to move the movable side oil passage (83) relative to the compression chamber (23).
摘要翻译：要解决的问题：提供一种通过控制供给到压缩室的润滑油的流量来提高操作效率的螺杆式压缩机。解决方案：供油滑阀（80）形成有可动侧油路（83），用于通过油压差压差（83）将油储存室（18）中的润滑油供应到压缩室（23）储油室（18）和压缩室（23）。由用于控制压缩室（23）的压缩比的滑阀（4）分离的构件构成的供油滑阀（80）在螺杆转子（40）的轴向上滑动以移动所述可动侧油路（83）相对于所述压缩室（23）。版权所有（C）2012，JPO＆INPIT

13. 发明专利

JP2012102707A Screw compressor 审中-公开
标题翻译：螺旋压缩机
公开(公告)号：JP2012102707A
公开(公告)日：2012-05-31
申请号：JP2010254120
申请日：2010-11-12
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： MATSUOKA AKIRA , MASUDA MASANORI , UENO HIROMICHI , HOSSAIN MOHAMMAD ANWAR
IPC分类号： F04C18/52
摘要： PROBLEM TO BE SOLVED: To prolong the durable lifetime of a bearing for supporting a drive shaft for connecting between a screw rotor and the rotor of a motor, in a screw compressor.SOLUTION: The screw compressor includes: a casing (11); a motor (12) having a cylindrical stator (13) and a rotor (14) provided with a plurality of magnets (14a) and inserted into the interior of a stator (13) formed into a cylindrical shape through a predetermined air-gap; a drive shaft (21) connected to the rotor (14) so as to be coaxial with the center shaft (14M) of the rotor (14) and extending in a substantially horizontal direction; a compression mechanism (20) connected to the drive shaft (21) and rotationally driven; and a plurality of bearings (61, 66, 67) for supporting the drive shaft (21) rotatably. More than half of the portion positioning inside the stator (13) of the center shaft (14M) of the rotor (14), is located at an upper position further than the center shaft (13M) of the stator (13).
摘要翻译：要解决的问题：在螺杆式压缩机中，延长用于支撑用于连接螺杆转子和电动机转子的驱动轴的轴承的耐用寿命。螺杆压缩机包括：壳体（11）; 具有圆柱形定子（13）的电动机（12）和设置有多个磁体的转子（14），并且通过预定的气隙插入定子（13）的内部，形成为圆柱形; 驱动轴（21），其与所述转子（14）连接，以与所述转子（14）的中心轴（14M）同轴并沿基本上水平的方向延伸; 连接到所述驱动轴（21）并旋转地驱动的压缩机构（20）以及用于可旋转地支撑驱动轴（21）的多个轴承（61,66,67）。位于转子（14）的中心轴（14M）的定子（13）内部的部分的一半以上位于比定子（13）的中心轴（13M）更靠上的位置。版权所有（C）2012，JPO＆INPIT

14. 发明专利

JP2012097590A Single screw compressor 审中-公开
标题翻译：单螺杆压缩机
公开(公告)号：JP2012097590A
公开(公告)日：2012-05-24
申请号：JP2010243742
申请日：2010-10-29
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： FUJIWARA HIDEKI , UENO HIROMICHI , HOSSAIN MOHAMMAD ANWAR , MASUDA MASANORI
IPC分类号： F04C18/52
摘要： PROBLEM TO BE SOLVED: To improve compressing efficiency of a single screw compressor.SOLUTION: The single screw compressor (1) is provided with a screw rotor (40) with several spiral grooves (41) formed on the outer periphery which form a fluid chamber (23), a gate rotor (50), and a casing (10) which houses the screw rotor (40) and the gate rotor (50). The casing (10) is provided in its inside with a low pressure space (S1) which is communicated to starting ends of the spiral grooves (41) into which low pressure gas refrigerant before compression that is sucked into the casing (10) flows and which opens on an end face of the screw rotor (40). The casing (10) is provided in its inside with a reverse flow preventing piece (72) for preventing the low pressure gas refrigerant in a spiral groove (41a) which forms a low pressure space (23a) during an intake process from flowing backward.
摘要翻译：要解决的问题：提高单螺杆压缩机的压缩效率。解决方案：单螺杆压缩机（1）设有螺杆转子（40），其上形成有形成流体室（23）的多个螺旋槽（41），闸转子（50）和容纳所述螺杆转子（40）和所述闸转子（50）的壳体（10）。壳体（10）的内部设置有低压空间（S1），该低压空间连通到被吸入壳体（10）的压缩前的低压气体制冷剂流入的螺旋槽（41）的起始端，并且其在螺杆转子（40）的端面上开口。壳体（10）的内部设置有用于防止在进气过程中形成低压空间（23a）的螺旋槽（41a）中的低压气体制冷剂向后流动的逆流防止件（72）。版权所有（C）2012，JPO＆INPIT

15. 发明专利

JP2011196224A Single screw compressor 有权
标题翻译：单螺杆压缩机
公开(公告)号：JP2011196224A
公开(公告)日：2011-10-06
申请号：JP2010062650
申请日：2010-03-18
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： HOSSAIN MOHAMMAD ANWAR , UENO HIROMICHI , MASUDA MASANORI
IPC分类号： F04C18/52
CPC分类号： F04C18/52 , F04C28/06 , F04C28/12 , F04C29/126 , F04C2270/72
摘要： PROBLEM TO BE SOLVED: To inhibit occurrence of the phenomenon of reverse differential pressure, and thus, to improve durability of a gate rotor, immediately after a screw compressor stops.SOLUTION: A screw compressor (1) includes a regulation mechanism (3) for regulating a compression ratio of a compression chamber (23) within a predetermined range. The regulation mechanism (3) sets the compression ratio to the minimum compression ratio, just prior to stopping or at the time of stopping a screw rotor (40) in operation.
摘要翻译：要解决的问题：在螺杆式压缩机停止之后立即抑制逆差压现象的发生，从而提高闸转子的耐久性。解决方案：螺杆式压缩机（1）包括调节机构（3），用于调节压缩室（23）的压缩比在预定范围内。调节机构（3）在停止前或停止螺杆转子（40）运转时将压缩比设定为最小压缩比。

16. 发明专利

JP2011132830A Single screw compressor 有权
标题翻译：单螺杆压缩机
公开(公告)号：JP2011132830A
公开(公告)日：2011-07-07
申请号：JP2009291027
申请日：2009-12-22
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： HOSSAIN MOHAMMAD ANWAR , MASUDA MASANORI , UENO HIROMICHI
IPC分类号： F04C18/52
摘要： PROBLEM TO BE SOLVED: To suppress a pressure loss of discharge fluid and an efficiency drop in a rated load operation state and in a partial load operation state in a single screw compressor of a variable volume ratio. SOLUTION: The single screw compressor (1) includes: a screw rotor (40); a casing (30) including a cylinder wall (31) rotatably holding the screw rotor (40); a drive mechanism (26) driving the screw rotor (40) in such a manner that operation capacity can be varied according to load; and a slide valve (4) opposing an outer circumference surface of the screw rotor (40) in a slide groove (33) formed in the cylinder wall (31), provided movably in an axial direction, and adjusting a discharge start position by moving in the axial direction according to operation capacity. A discharge side end surface (4a) of the slide valve (4) is formed in such a manner that the same extends in a direction corresponding to a screw land (42) which the same opposes at a slide position in the partial load operation state. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：在可变容积比的单螺杆压缩机中，抑制排出流体的压力损失和额定负载运转状态以及部分负荷运转状态下的效率下降。单螺杆压缩机（1）包括：螺杆转子（40）; 包括可旋转地保持所述螺杆转子（40）的气缸壁（31）的壳体（30）。驱动所述螺杆转子（40）的驱动机构（26），以能够根据负载来变更操作能力; 和形成在所述气缸壁（31）上的滑动槽（33）中与所述螺杆转子（40）的外周面相对的滑阀（4），其沿轴向移动地设置，并且通过移动来调节排出开始位置在轴向上根据运行能力。滑阀（4）的排出侧端面（4a）形成为在与负载运转状态下的滑动位置相同的螺纹平台（42）的方向上延伸的方式。版权所有（C）2011，JPO＆INPIT

17. 发明专利

JP2011074852A Screw compressor 审中-公开
标题翻译：螺旋压缩机
公开(公告)号：JP2011074852A
公开(公告)日：2011-04-14
申请号：JP2009228096
申请日：2009-09-30
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： HOSSAIN MOHAMMAD ANWAR , MASUDA MASANORI
IPC分类号： F04C18/52 , F04C29/00
CPC分类号： F04C18/52 , F04C18/084
摘要： PROBLEM TO BE SOLVED: To provide a screw compressor capable of enhancing compression performance by reducing a pressure loss at the suction of a refrigerant. SOLUTION: The single screw compressor 1 includes a cylindrical-shaped screw rotor 40, a casing 30, and a gate rotor 50. The screw rotor 40 has a spiral-shaped groove 41 on an outer peripheral surface. The groove 41 has a first groove 42 located at the suction side of the refrigerant including a suction side end 41a of the groove 41. The first groove 42 is constituted of a first suction side groove 44 including the suction side end 41a, and a second suction side groove 45 located at a discharge side of the refrigerant than the first suction side groove 44. The first groove 42 is formed so that a cross-sectional area of the first suction side groove 44 is larger than a cross-sectional area of the second suction side groove 45 in the proximity of a boundary between the first suction side groove 44 and the second suction side groove 45. The boundary between the first suction side groove 44 and the second suction side groove 45 is located within a region from a suction close-out position P1 of a compression chamber to the suction side end 41a. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种能够通过减小制冷剂的吸入时的压力损失来提高压缩性能的螺杆式压缩机。解决方案：单螺杆压缩机1包括圆柱形的螺杆转子40，壳体30和门转子50.螺杆转子40在外周表面上具有螺旋状的槽41。槽41具有位于制冷剂的吸入侧的第一槽42，该第一槽42包括槽41的吸入侧端部41a。第一槽42由包括吸入侧端部41a的第一吸入侧槽44和第二槽42构成。吸入侧槽45位于比第一吸入侧槽44在制冷剂的排出侧。第一槽42形成为使得第一吸入侧槽44的截面积大于第一吸入侧槽44的截面积第二吸入侧槽45在第一吸入侧槽44和第二吸入侧槽45之间的边界附近。第一吸入侧槽44和第二吸入侧槽45之间的边界位于从吸力压缩室的关闭位置P1到吸入侧端部41a。版权所有（C）2011，JPO＆INPIT

18. 发明专利

JP2013136957A Screw compressor 审中-公开
标题翻译：螺旋压缩机
公开(公告)号：JP2013136957A
公开(公告)日：2013-07-11
申请号：JP2011287464
申请日：2011-12-28
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： HOSSAIN MOHAMMAD ANWAR , UENO HIROMICHI
IPC分类号： F04C18/52 , F04C29/04
摘要： PROBLEM TO BE SOLVED: To prevent the abrasion and damage of a gate rotor by restraining the gate rotor from being deformed when pressure in a spiral groove (41) of a screw rotor (40) is reduced more than that at the suction side of a screw compressor (10) when the screw compressor (10) is stopped.SOLUTION: When a screw compressor is stopped, gas is introduced to a spiral groove (41) of a screw rotor (40) from an economizer port (10c) so that pressure in the spiral groove (41) of the screw rotor (40) is not reduced more than that at the suction side of the screw compressor (10).
摘要翻译：要解决的问题：通过在螺杆转子（40）的螺旋槽（41）中的压力比在吸入侧的螺旋槽（41）中的压力更大时，通过限制门转子不变形来防止门转子的磨损和损坏当螺杆式压缩机10停止时，螺杆式压缩机10被排出。解决方案：当螺杆式压缩机停止时，气体从节能器口（10c）被引入螺杆转子（40）的螺旋槽（41），使得螺杆转子40的螺旋槽41内的压力不比螺杆式压缩机10的吸入侧的压力下降。

19. 发明专利

JP2013060877A Screw compressor 审中-公开
标题翻译：螺旋压缩机
公开(公告)号：JP2013060877A
公开(公告)日：2013-04-04
申请号：JP2011199720
申请日：2011-09-13
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： MATSUOKA AKIRA , MASUDA MASANORI , UENO HIROMICHI , INOUE TAKASHI , HOSSAIN MOHAMMAD ANWAR
IPC分类号： F04C18/52 , F04C29/12
摘要： PROBLEM TO BE SOLVED: To enhance the reliability of a screw compressor by avoiding contact of a slide valve and a screw rotor.SOLUTION: The slide valve (70) has a valve body part (60) and a guide part (75). The opposing face (66) of the valve body part (60) faces the screw rotor (40). Further, a guide face (76) of the guide part (75) faces a bearing holder (35). A protruding part (77) protruding relatively in a peripheral direction more than the valve body part (60) is arranged in the guide part (75). The protruding part (77) abuts on the bearing holder (35), the contact of valve body part (60) and the screw rotor (40) is avoided when the slide valve (70) rotates in the peripheral direction.
摘要翻译：要解决的问题：通过避免滑阀和螺杆转子的接触来提高螺杆式压缩机的可靠性。解决方案：滑阀（70）具有阀体部（60）和引导部（75）。阀体部分（60）的相对面（66）面向螺杆转子（40）。此外，引导部（75）的引导面（76）面向轴承座（35）。在引导部（75）中配置有比阀体部（60）更靠周向突出的突出部（77）。突出部77与轴承保持架35抵接，当滑阀70沿圆周方向旋转时，避免了阀体部60与螺杆转子40的接触。版权所有（C）2013，JPO＆INPIT

20. 发明专利

JP2011132834A Single screw compressor 有权
标题翻译：单螺杆压缩机
公开(公告)号：JP2011132834A
公开(公告)日：2011-07-07
申请号：JP2009291153
申请日：2009-12-22
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： HOSSAIN MOHAMMAD ANWAR , UENO HIROMICHI , MASUDA MASANORI
IPC分类号： F04C18/52
摘要： PROBLEM TO BE SOLVED: To prevent adjacent compression chambers (41) from communicating each other and securing a sufficient discharge port area when a single screw compressor including a volume ratio adjusting mechanism (3) is operated with a partial load.
SOLUTION: This compressor includes a main discharge port (28a) which is an opening made consistent with a position of a slide valve (4) during rated load operation and which is not blocked by the slide valve (4) to discharge fluid during either of rated load operation and partial load operation, and an auxiliary discharge ports (28b, 28c, 28d) which are openings made consistent with positions of the slide valve (4) during partial load operation, which is blocked by the slide valve (4) during rated load operation, and which is released from the slide valve (4) to discharge fluid during partial load operation as the discharge ports (25) communicating to the compression chambers (41).
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了防止相邻的压缩室（41）彼此连通并且当包括体积比调节机构（3）的单螺杆压缩机以部分负载运行时，确保足够的排出口面积。解决方案：该压缩机包括主排出口（28a），其是在额定负载运行期间与滑阀（4）的位置一致的开口，并且不被滑阀（4）阻塞以排出流体在额定负荷运转和部分负荷运转期间，以及辅助排出口（28b，28c，28d），其是在部分负荷运转期间与所述滑阀（4）的位置一致的辅助排出口（28b，28c，28d） 4）在额定负载运行期间，并且当与所述压缩室（41）连通的排出口（25）时，从所述滑阀（4）释放以排出流体。版权所有（C）2011，JPO＆INPIT

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