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1. 发明专利

JP2008291681A Screw compressor 有权
标题翻译：螺旋压缩机
公开(公告)号：JP2008291681A
公开(公告)日：2008-12-04
申请号：JP2007136078
申请日：2007-05-23
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： FUJIWARA HIDEKI , GOTO NOZOMI , GOTO HIDEYUKI , MIYAMURA HARUNORI
IPC分类号： F04C18/16 , F04C27/00
CPC分类号： F04C18/52 , F04C27/00
摘要： PROBLEM TO BE SOLVED: To provide a screw compressor capable of improving a sealing performance between a casing and a gate rotor while reducing rotation resistance of the gate rotor, and improving efficiency of the compressor. SOLUTION: An oil supply groove 51 is provided on a seal surface 11 of the casing 1. Oil in the oil supply groove 51 prevents gas in a compression chamber formed by mutual meshing of a screw rotor 2 and the gate rotor 3 from leaking through a part between the seal surface 11 of the casing 1 and one surface 30 of the gate rotor 3. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种螺杆压缩机，其能够在降低门转子的旋转阻力的同时提高壳体与闸转子之间的密封性能，提高压缩机的效率。解决方案：在壳体1的密封表面11上设置供油槽51.供油槽51中的油防止由螺杆转子2与闸转子3相互啮合形成的压缩室中的气体通过壳体1的密封表面11和浇口转子3的一个表面30之间的部分泄漏。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2019019682A スクリュー圧縮機审中-公开
公开(公告)号：JP2019019682A
公开(公告)日：2019-02-07
申请号：JP2017135944
申请日：2017-07-12
申请人： DAIKIN IND LTD
发明人： GOTO NOZOMI , MIYAMURA HARUNORI , FUJIWARA HIDEKI
IPC分类号： F04C18/16 , F04C18/52 , F04C29/00
摘要：【課題】スクリュー圧縮機において、軸受(66)を保持する軸受ホルダ(65)を有する端部ケーシング(12)を、駆動軸(21)を保持する本体ケーシング(11)に組み付けるときに、駆動軸(21)と軸受(66)を位置合わせすることで軸受(66)の損傷を抑制し、圧縮機の運転効率の低下や異音の発生を抑える。【解決手段】端部ケーシング(12)の軸受ホルダ(65)に保持された軸受(66)と、本体ケーシング(11)に保持された駆動軸(21)とを位置合わせするための組み付けガイド(80)として駆動軸側ガイド部(81)と軸受ホルダ側ガイド部(82)とを設ける。【選択図】図7

3. 发明专利

JP2009243412A Method for manufacturing compressor 有权
标题翻译：制造压缩机的方法
公开(公告)号：JP2009243412A
公开(公告)日：2009-10-22
申请号：JP2008093308
申请日：2008-03-31
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： GOTO HIDEYUKI , GOTO NOZOMI , FUJIWARA HIDEKI , MIYAMURA HARUNORI
IPC分类号： F04C29/00 , F04C18/107
摘要： PROBLEM TO BE SOLVED: To improve performance of a compressor by reducing a deformation amount of a cylindrical wall after a pressure resistance test.
SOLUTION: The method for manufacturing the compressor includes a casting step ST1 for forming a cast body wherein at least a part thereof is a cylindrical wall, a finishing step ST4 for executing finishing processing of the cast body and forming the cylindrical wall, and a pressure resistance test step ST5 for applying a test pressure higher than a design pressure to an inside of the finishing-processed cylindrical wall. The method further includes a preliminary pressurizing step ST3 for applying a pressure higher than the design pressure to the inside of the cylindrical wall before finishing processing is executed.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过在耐压试验后减小圆筒壁的变形量来提高压缩机的性能。解决方案：压缩机的制造方法包括：铸造工序ST1，用于形成其至少一部分为圆筒壁的铸造体;精加工工序ST4，其进行铸造体的精加工，形成圆筒壁; 以及用于将高于设计压力的试验压力施加到精加工圆筒形壁的内部的耐压试验步骤ST5。该方法还包括在执行完成处理之前，将高于设计压力的压力施加到圆筒壁的内部的预加压步骤ST3。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2009167846A Screw compressor 有权
标题翻译：螺旋压缩机
公开(公告)号：JP2009167846A
公开(公告)日：2009-07-30
申请号：JP2008004928
申请日：2008-01-11
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： FUJIWARA HIDEKI , GOTO NOZOMI , GOTO HIDEYUKI , MIYAMURA HARUNORI
IPC分类号： F04C18/52
摘要： PROBLEM TO BE SOLVED: To restrain discharge pulsation and a torque variation in a screw compressor. SOLUTION: This screw compressor 1 has a screw rotor 40 forming a plurality of spiral grooves 41, 41, etc. and a plurality of gate rotors 50A and 50B having gates 51, 51, etc. meshing with the spiral grooves 41, 41, etc. The screw compressor 1 compresses gas by a plurality of compression spaces 23, 23, etc. formed of the spiral grooves 41, 41, etc. and the gates 51, 51, etc., and discharges a refrigerant from a plurality of discharge ports 73 and 73 arranged at each gate rotor 50A and 50B. At this time, timings for discharging the refrigerant from the plurality of discharge ports 73 and 73 are displaced from each other. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：抑制螺杆式压缩机中的排出脉动和扭矩变化。解决方案：该螺杆式压缩机1具有形成多个螺旋槽41,41等的螺杆转子40以及与螺旋槽41啮合的多个闸门51,51等的多个闸转子50A，50B，螺杆式压缩机1通过由螺旋槽41,41等形成的多个压缩空间23,23等与闸门51,51等压缩气体，并从多个排出制冷剂排列在每个门转子50A和50B上的排出口73和73。此时，从多个排出口73和73排出制冷剂的定时彼此偏移。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2014125913A Screw compressor 审中-公开
标题翻译：螺旋压缩机
公开(公告)号：JP2014125913A
公开(公告)日：2014-07-07
申请号：JP2012281631
申请日：2012-12-25
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： FUJIWARA HIDEKI , GOTO NOZOMI
IPC分类号： F04C29/12 , F04C18/52
摘要： PROBLEM TO BE SOLVED: To provide a screw compressor capable of removing foreign matters adhering to an oil filter and suppressing clogging with a relatively simple configuration.SOLUTION: A downstream side of a check valve (31) in a discharge tube (30) is connected to an oil discharge side of an oil filter (25) in an oil supply path (29a) by a bypass pipe (32). An on-off valve (33) is connected to the bypass pipe (32). While a screw rotor (40) operates to rotate, the on-off valve (33) is closed to cut off flow of high pressure refrigerant from the discharge tube (30) to the bypass pipe (32). When the screw rotor (40) stops rotating, the on-off valve (33) opens to allow the flow of the high pressure refrigerant.
摘要翻译：要解决的问题：提供一种能够除去附着在油过滤器上的异物并以相对简单的结构抑制堵塞的螺杆式压缩机。解决方案：连接排气管（30）中的止回阀（31）的下游侧通过旁通管（32）到油供给路径（29a）中的油过滤器（25）的排油侧。开闭阀（33）与旁通管（32）连接。当螺杆转子（40）操作以旋转时，开关阀（33）关闭，以将高压制冷剂从排放管（30）流到旁通管（32）。当螺杆转子（40）停止旋转时，开闭阀（33）打开以允许高压制冷剂的流动。

6. 发明专利

JP2010281305A Single screw compressor 审中-公开
标题翻译：单螺杆压缩机
公开(公告)号：JP2010281305A
公开(公告)日：2010-12-16
申请号：JP2009137406
申请日：2009-06-08
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： FUJIWARA HIDEKI , UENO HIROMICHI
IPC分类号： F04C18/52
摘要： PROBLEM TO BE SOLVED: To prevent the generation of thrust to a screw rotor. SOLUTION: A discharge side end (46) of the screw rotor (40) is fit at an end of a bearing holder (60). The outer peripheral surface (47a) of the fit-in discharge side end (46) is in slide-contact with the inner peripheral surface (63a) of an outer edge (63) of the bearing holder (60) forming a seal part (S). The seal part (S) prevents a high-pressure refrigerant discharged from a spiral groove (41) in the discharge side end (46) of the screw rotor (40) from flowing into a bearing chamber (65). COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了防止产生对螺杆转子的推力。解决方案：螺杆转子（40）的排出侧端部（46）装配在轴承座（60）的端部。装配排出侧端部46的外周面（47a）与轴承保持架（60）的外缘（63）的内周面（63a）滑动接触，形成密封部 S）。密封部（S）防止从螺杆转子（40）的排出侧端部（46）的螺旋槽（41）排出的高压制冷剂流入轴承室（65）。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2010242656A Single screw compressor 审中-公开
标题翻译：单螺杆压缩机
公开(公告)号：JP2010242656A
公开(公告)日：2010-10-28
申请号：JP2009093601
申请日：2009-04-08
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： FUJIWARA HIDEKI , UENO HIROMICHI , SHIKANO SHIGEHARU
IPC分类号： F04C18/52 , F04C27/00 , F04C29/00
摘要： PROBLEM TO BE SOLVED: To prevent leakage of a refrigerant between the spiral grooves of a screw rotor while preventing leakage of a high-pressure refrigerant into a bearing holder in a sealing portion between the screw rotor and the bearing holder. SOLUTION: The sealing portion is formed in such a manner that the end surface (49) of the delivery-side end (46) of the screw rotor (40) is brought into contact with the end surface of the bearing holder (60). On the end surface (49) of the screw rotor (40), multiple spiral grooves (4) are formed to generate high pressure on a peripheral side over the peripheral direction of the end surface. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了防止螺杆转子的螺旋槽之间的制冷剂泄漏，同时防止高压制冷剂在螺杆转子和轴承座之间的密封部分中的轴承保持器中泄漏。解决方案：密封部分形成为使得螺杆转子（40）的输送侧端部（46）的端面（49）与轴承保持器的端表面接触（ 60）。在螺杆转子（40）的端面（49）上形成有多个螺旋槽（4），以在端面的周向的周边方向上产生高压。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2009174527A Screw compressor 有权
标题翻译：螺旋压缩机
公开(公告)号：JP2009174527A
公开(公告)日：2009-08-06
申请号：JP2008332696
申请日：2008-12-26
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： FUJIWARA HIDEKI , GOTO HIDEYUKI , MIYAMURA HARUNORI , GOTO NOZOMI
IPC分类号： F04C18/52 , F04C29/12
CPC分类号： F04C18/52 , F01C17/02 , F04C18/16 , F04C23/001 , F04C27/004 , F04C27/007 , F04C29/0078 , F04C29/124 , F04C2240/30 , F04C2240/52 , F04C2240/603 , F04C2270/16 , F04C2270/17 , F04C2270/58
摘要： PROBLEM TO BE SOLVED: To provide a screw compressor for preventing degradation of the efficiency of the compressor caused by the simultaneous opening of two adjacent helical grooves to a discharge port.
SOLUTION: The screw compressor (1) includes a screw rotor (40), a casing (10) for housing the screw rotor (40) and having the discharge port formed in the inner peripheral surface of the casing, and gate rotors (50) having gates (51, 51, ...) meshing with helical grooves (41) of the screw rotor (40). A compression chamber (23) formed by the screw rotor (40), the casing (10), and the gate rotors (50) compresses gas and discharges the compressed gas from the discharge port. The discharge port is divided into a first port (74b) in which one helical groove (41) opens and a second port (75b) in which the other helical groove (41) opens when the two adjacent helical grooves (41, 41) out of the helical grooves (41) accompanying rotation of the screw rotor (40) open to the discharge port.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于防止由于将两个相邻螺旋槽同时打开到排出口而引起的压缩机效率降低的螺杆式压缩机。解决方案：螺杆式压缩机（1）包括螺杆转子（40），用于容纳螺杆转子（40）并具有形成在壳体的内周面中的排出口的壳体（10）和浇口转子（50）具有与所述螺杆转子（40）的螺旋槽（41）啮合的闸门（51,51，...）。由螺杆转子（40），壳体（10）和闸转子（50）形成的压缩室（23）压缩气体并从排出口排出压缩气体。排出口被分成一个螺旋槽（41）打开的第一端口（74b）和当两个相邻的螺旋槽（41,41）出来时另一个螺旋槽（41）打开的第二端口（75b）的螺旋槽（41）伴随着向排出口开口的螺杆转子（40）的旋转。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2009174525A Screw compressor 审中-公开
标题翻译：螺旋压缩机
公开(公告)号：JP2009174525A
公开(公告)日：2009-08-06
申请号：JP2008331405
申请日：2008-12-25
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： MIYAMURA HARUNORI , GOTO NOZOMI , GOTO HIDEYUKI , FUJIWARA HIDEKI
IPC分类号： F04C18/52 , F04C27/00 , F04C28/26 , F04C29/00
摘要： PROBLEM TO BE SOLVED: To enhance the capacity of a screw compressor by reducing the amount of a fluid leaking from a compression chamber to a bypass passage. SOLUTION: In a casing 10 of a screw compressor 1, a slide valve 70 is arranged on the side of a screw rotor 40. A bypass passage 33 for communicating a compression chamber 23 with a low-pressure space S1 is formed in the casing 10. When the slide valve 70 slides, the opening area of the bypass passage 33 in an inner circumferential surface of a cylindrical wall 30 is changed. A resin-made sealing film 61 is formed on a fore end of the slide valve 70. In the fully closed state of the bypass passage 33, the fore end of the slide valve 70 is pressed against a seat part 11 of the casing 10, the seal film 61 is then deformed, and the slide valve 70 and the seat part 11 are tightly attached to each other. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过减少从压缩室泄漏到旁路通道的流体的量来提高螺杆式压缩机的容量。解决方案：在螺杆式压缩机1的壳体10中，在螺杆转子40侧设置有滑阀70.用于将压缩室23与低压空间S1连通的旁通通路33形成在当滑阀70滑动时，在圆筒壁30的内圆周表面中的旁通通道33的开口面积被改变。在滑阀70的前端形成有树脂制密封膜61.在旁通通路33的完全关闭状态下，滑阀70的前端被压靠在壳体10的座部11上，密封膜61然后变形，并且滑阀70和座部11彼此紧密地附接。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2009174523A Screw compressor 有权
标题翻译：螺旋压缩机
公开(公告)号：JP2009174523A
公开(公告)日：2009-08-06
申请号：JP2008328297
申请日：2008-12-24
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： GOTO HIDEYUKI , GOTO NOZOMI , FUJIWARA HIDEKI , MIYAMURA HARUNORI
IPC分类号： F04C18/52 , F04C29/00
CPC分类号： F04C18/52 , F01C17/02 , F04C18/16 , F04C23/001 , F04C27/004 , F04C27/007 , F04C29/0078 , F04C29/124 , F04C2240/30 , F04C2240/52 , F04C2240/603 , F04C2270/16 , F04C2270/17 , F04C2270/58
摘要： PROBLEM TO BE SOLVED: To provide a screw compressor in which a gas leakage from a space between adjacent teeth of a gate rotor is reduced to enhance compression performance of the screw compressor. SOLUTION: The screw compressor has teeth parts of a gate rotor 3 which is engaged with a spiral groove part formed in an outer circumferential surface of a screw rotor 2 to form a compression chamber, and a seal section 5 to close a space formed between the adjacent teeth, which are arranged on one surface 32 side opposite to the other surface 30 on the compression chamber side opposite to seal surface 11 of a casing 1. COPYRIGHT: (C)2009,JPO&INPIT

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