序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
261 真空ポンプ JP2015544526 2013-10-24 JP2015535572A 2015-12-14 シヴァバラン カイラサム; アラン アーネスト キナード ホルブルック
本発明は、多段真空ポンプであって、複数個のポンプ輸送チャンバ(106)〜(116)を画定していて、それぞれの長手方向に延びるフェース((118),(120)に沿って互いに組み立て可能な第1及び第2のハーフシェル形ステータコンポーネント(102,104)と、第1及び第2のハーフシェル形ステータコンポーネントのそれぞれの端フェース(126),(128)のところで組み立て可能な第1及び第2の端ステータコンポーネント(122,124)と、長手方向に延びるフェースのところで相互に組み立てられたときに第1のハーフシェル形ステータコンポーネントと第2のハーフシェル形ステータコンポーネントとの間を封止するガスケット(28)と、組み立て時に第1及び第2の端ステータコンポーネントと第1及び第2のハーフシェル形ステータコンポーネントとの間を封止するOリング(54)とを有し、環状チャネル(22)は、長手方向凹部(14)と交差し、各長手方向凹部は、交差部に対して固定された停止部(24)を有し、ガスケット及び長手方向凹部は、ガスケットが組み立ての際に凹部内に配置されると、ガスケットの端部分(34)を交差部に対して位置決めするためにガスケットが停止部に押し付けられるよう構成されていることを特徴とする多段真空ポンプに関する。
262 ロータリ圧縮機 JP2013546992 2012-11-27 JPWO2013080519A1 2015-04-27 大輔 船越; 健 苅野; 裕文 吉田; 鶸田 晃; 鶸田  晃; 信吾 大八木; 啓晶 中井; 竜一 大野; 飯田 登; 飯田  登
本発明のロータリ圧縮機は、シリンダ30と、シャフトの偏心部31aと、ピストン32と、ベーン33とを有し、ベーン33には、吸入室接触面33aと、圧縮室側接触面33bとが形成され、吸入室側接触面33a及び圧縮室側接触面33bにはオイル溜まり6から潤滑油が供給され、吸入室39aと圧縮室39bとの圧差が所定圧以下の状態で、吸入室側接触面33aよりも圧縮室側接触面33bに加わる圧力が大きくなる差圧発生機構を形成したことにより、冷媒ガス及び潤滑油が、ベーン33とベーン溝30bの隙間を介して、吸入室39aと圧縮室39bに漏れ込むことを抑制する。
263 密閉型回転圧縮機 JP2012549657 2011-07-14 JPWO2012086245A1 2014-05-22 斎藤 隆泰; 隆泰 斎藤; 剛弘 西川; 吉田 浩之; 浩之 吉田; 義明 比留間
【課題】リング等を用いること無く、カップと軸受け間をシールできるようにした密閉型回転圧縮機を提供する。【解決手段】上部軸受け16Aは段差部41を有し、この段差部41のは面取りされて面取り部41Aが構成され、カップ21の内側縁部は所定曲率で湾曲されて湾曲部47が構成され、この湾曲部47は段差部41の面取り部41Aに当接すると共に、湾曲部47を段差部41に当接させた状態で、ボルトにて上部支持部材16に固定される以前のカップ21のボルト固定部44は、上部支持部材16より離間する寸法関係とされている。【選択図】図7
264 Compressor JP2011036390 2011-02-22 JP5434937B2 2014-03-05 昭洋 中島; 真一 佐藤; 暁生 佐伯; 和男 小林
265 Scroll compressor JP2012134471 2012-06-14 JP2013256919A 2013-12-26 NAGAHARA KENJI; NISHIDE YOHEI; KAMIKAWA TAKASHI
PROBLEM TO BE SOLVED: To provide a scroll compressor configured in such a way that pressing force of a mobile scroll with respect to a fixed scroll is adjusted with an oil groove (81) between a mobile-side end plate part (51) and a fixed-side end plate part, the scroll compressor having performance which is prevented from degrading by avoiding the occurrence of seal defect or lubrication defect even when a back-pressure space is put into an intermediate pressure, and by preventing overturning of a mobile scroll (5).SOLUTION: At least, in a region which forms a fluid suction space (50L) on an outer circumference side of a compression chamber (50), an outer circumference side seal length (L1) from an outer circumference edge of an oil groove (81) which is formed in a thrust slide face (80) between a fixed-side end plate part and a mobile-side end plate part (51) to an outer edge (86) of the mobile-side end plate part (51) is shorter than an inner circumference side seal length (L2) from an inner circumference edge of the oil groove (81) to a circumference edge of the compression chamber (50).
266 Scroll fluid machine JP2011003323 2011-01-11 JP2012145015A 2012-08-02 ITO HIROSHI; TANIGAWA SHIRO; MIDORIKAWA YOHEI
PROBLEM TO BE SOLVED: To provide a scroll fluid machine eliminating the need of providing a bearing inside its compression chamber thanks to the absence of a pin crank mechanism inside the compression chamber to allow its continuous operation time to be lengthened.SOLUTION: There is provided a scroll fluid machine which includes a rotating scroll provided with rotating laps arranged vertically on a panel that is supported in a rotatable manner on a drive shaft, and a stationary scroll opposing the rotating scroll, provided with stationary laps arranged vertically on a panel, with the rotating laps and the stationary laps being overlapped and the rotating scroll being rotated to form compression chambers that compress a fluid, wherein the scroll fluid machine has: a rod-shaped member that is attached to the panel of the rotating scroll and extends to the back side of the stationary scroll, which is the side not opposing the rotating scroll; and a rotating plate, which is attached to the rod-shaped member and is provided with a pin crank mechanism, and is supported in a rotatable manner on the drive shaft. The rotating plate is provided with a sealing means that seals the compression chambers in the axial direction.
267 Scroll fluid machine JP2008223427 2008-09-01 JP2010059795A 2010-03-18 HIGASHIYAMA AKIYOSHI; SUZUKI HIROSHI
PROBLEM TO BE SOLVED: To provide a scroll fluid machine capable of improving sealing performance and compression performance by making a deformed shape of fastened surfaces of a main shaft frame and a fixed scroll uniform. SOLUTION: A recess (76) is formed to lie on a concentric circle symmetrically to a countersunk section (72), which is formed in an opening peripheral edge of a refrigerant passage (70) of the main shaft frame (18), with an axis interposed between them. COPYRIGHT: (C)2010,JPO&INPIT
268 Seal structure and compressor unit JP2007306931 2007-11-28 JP2009127608A 2009-06-11 YUASA KENICHI; UEISHIDA KOKI; KANAYAMA TAKEHIRO
<P>PROBLEM TO BE SOLVED: To secure a sealing property of a head member and a muffler member without the need of precisely processing the mounting surface of a rear head and a rear muffler nor increasing the number of parts. <P>SOLUTION: The rear head 38 comprises a main body 38b having a bearing hole 38a for inserting and fitting a shaft therein, an annular boss 38c projecting from the main body 38b so as to surround the bearing hole 38a, and an annular side wall 38d projecting from the main body 38b so as to surround the boss 38c. A rear muffler 39 comprises an aperture 39b for inserting and fitting the shaft therein with a peripheral part 39c of the aperture 39b fastened to the tip face of the side wall 38b so as to be contact with the tip face of the boss 38c. The tip face 38g of the boss 38c has a portion disposed on the opposite side of the main body 38b with respect to a surface including the tip face 38h of the side wall 38c around its whole circumference. <P>COPYRIGHT: (C)2009,JPO&INPIT
269 Hermetic type compressor JP2003156696 2003-06-02 JP3622755B2 2005-02-23 能成 浅野; 孝志 清水; 祥孝 芝本
270 Two cylinder two stage compression type rotary compressor JP2000071479 2000-03-15 JP2001263281A 2001-09-26 EBARA TOSHIYUKI; TADANO MASAYA; YAMAKAWA TAKASHI; ODA ATSUSHI
PROBLEM TO BE SOLVED: To enlarge an area where upper and lower rollers and an intermediate partition plate are overlapped with each other at a part having a large pressure difference, and to improve an area efficiency and a compression efficiency by reducing a leaking gas amount. SOLUTION: In a two cylinder two stage type compression rotary compressor of an inner intermediate pressure type having a lower stage side compression part and a higher stage side compression part wherein an electric motor part 14 housed in a closed container 12 and upper and lower cylinders 40 and 42 driven by a rotary shaft 16 of the electric motor are disposed, upper and lower rollers 48 and 50 fitted to upper and lower eccentric parts 44 and 46 disposed on the rotary shaft in each cylinder are eccentrically rotated, insides of respective cylinders are partitioned by upper and lower vanes 52 and 54, and composition is carried out by sucking coolant gas; and an intermediate partition plate 38 wherein an inner diameter hole 36 for penetrating the rotary shaft is formed between the low step side compression part and the high step side compression part; set is carried out in such ways that a center of the inner diameter hole of the intermediate partition plate faced to the upper roller 48 is slid to a position of 90° at a rotary angle of the upper eccentric part on the basis of a position of the upper vane 52 with respect to the center part of the rotary shaft, and a center part of the inner diameter hole of the intermediate partition plate faced to the lower roller 50 is slid to the position of 315° at a rotary angle of the lower eccentric part. COPYRIGHT: (C)2001,JPO
271 Screw vacuum pump JP23480892 1992-09-02 JP3085561B2 2000-09-11 晋司 三橋; 栄一 佐藤; 利一 内田; 孝太郎 納谷
272 Scroll-type fluid machine JP28024298 1998-10-01 JP2000110743A 2000-04-18 MATSUMOTO TAKAYUKI
PROBLEM TO BE SOLVED: To provide a scroll-type fluid machine capable of preventing leakage from a casing. SOLUTION: A scroll-type fluid machine 1 comprises a casing 4; a fixed scroll member 5 having a first plate 51 and a first spiral body 52 and fixed within the casing 4; a movable scroll member 6 having a second plate 61 and a second spiral body 62; and a fastening bolt 7 passing through the casing 4 and fitted in the fixed scroll member 5 for fixing the fixed scroll member 5 to the casing 4. In this scroll-type fluid machine, a seal groove 53d surrounding at least the fastening bolt 7 is formed in at least one of respective end faces of the casing 4 and the fixed scroll member 5 which abut on each other in the height direction of the first spiral body 52, and a seal member 81 is disposed in the seal groove 53d.
273 Scroll fluid machine JP20479791 1991-07-20 JP2950441B2 1999-09-20 SAITO TAKASHI
274 Displacement type fluid machine JP24976196 1996-09-20 JPH1089004A 1998-04-07 KOSOKABE HIROKATSU; TAKEBAYASHI MASAHIRO; MITSUYA SHIYUNICHI; HATAKE HIROAKI; OSHIMA KENICHI; OSHIMA YASUHIRO
PROBLEM TO BE SOLVED: To reduce inside leakage of an operating fluid and provide a rotary fluid machine of high perfoprmance by sealing an axial direction clearance of a displacer sliding part effectively, and improve efficiency by arraigning an oil holding mechanism or a seal mechanism on a displacer for partitioning a casing into a plurality of high pressure operating chamber and a low pressure operating chamber. SOLUTION: Turning operation of a displacer 5 is carried out in a casing in which an operating fluid is sucked, and thereby, the operating fluid is sucked and delivered. An oil holding mechanism or a seal member is arranged on both end surface parts of the displacer 5, and thereby, the axial direction clearance of the end surface of the displacer 5 is effectively sealed, leakage loss is reduced, and performance and reliability are improved.
275 Scroll compressor JP18929395 1995-07-25 JPH0932771A 1997-02-04 SUGAWA MASAAKI; KOSONE NOBUNORI; MATSUKI TETSUZO; IKEDA KIYOHARU; HARA SHOICHIRO; TOYODA NORIHIKO
PROBLEM TO BE SOLVED: To provide a scroll compressor in which poor sealeability on a part required for sealing, contact of addendum, abnormal abrasion of an elastic material, and fatigue failure are not generated, and having high performance and high reliability. SOLUTION: A peripheral protrusion 4c outward in the radial-direction is provided over the whole periphery on the outer peripheral surface of a partition plate 4. The outside diameter of the peripheral protrusion 4c is set smaller than the inside diameter of a shell main body 9 by the dimension corresponding to the contraction amount of the shell main body 9 after a shell cover 20 is sealed by welding. That is, a small clearance α is formed between the outer peripheral surface of the peripheral protrusion 4c and the inner peripheral surface of the shell main body 9 before welding. The partition plate 4 is mounted in the shell main body 9, and the partition plate 4 and a frame 3 are fixed to each other. After that, when the shell main body 9 and the shell cover 20 are welded, the outer peripheral surface of the peripheral protrusion 4c of the partition plate 4 and the inner peripheral surface of the shell main body 9 are bonded to each other by contraction of the welded shell 9. Therefore, a space between a high-pressure side space 30 and a low-pressure side space 31 is partitioned and sealed.
276 Transmisson with revolving bearing and seal used therein JP16103494 1994-07-13 JPH0783183A 1995-03-28 YOZEFU SEGAASU
PURPOSE: To provide a transmission capable of realizing good lubrication and high speed rotation by utilizing a seal. CONSTITUTION: This transmission includes a main shaft 11, a main bearing housing 6 supporting the main shaft 11, a second shaft 13 which is connected to the main shaft 11, revolves around an axis 7 of the main shaft 11 and has an eccentric axis 14 parallel to the axis 7 of the main shaft 11, and a revolving bearing house 16 supporting the second shaft 13 to freely revolve around its axis. The transmission contains a seal 17 which is situated between the inside of the main bearing house 6 and the outside of the revolving bearing house 16, seals the opening between these bearing houses 6, 16 and is fixed in relation to the whole consisting of the main shaft 11 and the second shaft 13.
277 Scroll compressor JP28882091 1991-11-05 JPH05126074A 1993-05-21 MITSUNAGA TOSHIHIKO; NOBORI YOSHINORI; SUGIMOTO KAZUYOSHI
PURPOSE: To prevent the leakage of refrigerant through the sliding face of a bearing with no increase of sliding resistance due to sealing members, by providing a space connected through to an oil reservoir between a bearing of a frame and a scroll, and enclosing the sealing members in the space. CONSTITUTION: Between a main bearing 8 of a main frame 7 not shown in the figure and a driving shaft 17 of a first scroll 13 of a scroll compressor, a ring-shaped space 32 is constructed with a ring-shaped groove provided in the lower portion of the main frame 7 and a plate 34 closing the groove. In the ring-shaped space 32, a sealing ring member 35 is arranged. The space 32 is connected to an oil reservoir 2 through a connection hole 36. Where, the gap A between the inner peripheral surface of the sealing ring member 35 and the driving shaft 17 is specified to be smaller than the gap B between the main bearing 8 and the driving shaft 17. On the other hand, the gap C between the outer peripheral surface of the member 35 and the main bearing 8 is specified to be larger than the gap B. COPYRIGHT: (C)1993,JPO&Japio
278 Screw type dry vacuum pump JP28066791 1991-10-01 JPH0599176A 1993-04-20 YANAGISAWA SEIJI
PURPOSE:To provide a screw type dry vacuum pump which regulates a seal gas feed amount to a trace amount without lowering performance of a pump. CONSTITUTION:Sealing is effected by a sealing part 16b on the suction side and a sealing part 16a on the delivery side so that oil and grease from a bearing part 15 is prevented from entering a rotor chamber. The shaft sealing part is provided with a screw type dry vacuum pump being of structure where seal gas is fed from a seal gas feed part The pressure of seal gas from the seal gas feed part is regulated to a specified value by a gas pressure regulating means, such as regulator 1. The seal gas is branched through a flow rate regulating valve or a throttle valve 2. The branched seal gas is fed to the shaft sealing part on the delivery side and the other one is further fed to the shaft sealing part on the suction side through a flow rate regulating valve or a throttle valve 3.
279 Scroll fluid machine JP20479791 1991-07-20 JPH0526185A 1993-02-02 SAITO TAKASHI
PURPOSE:To prevent the early damage of a seal member for sealing between a suction chamber and the inside of the casing of a scroll compressor so as to improve reliability. CONSTITUTION:A seal member 38 for blocking a suction chamber from an oil chamber in a casing 1 is previously molded out of elastic resin material into a tapered cylinder 39. This tapered cylinder 39 is folded into approximately V-shape cross section at its intermediate part to form a folded part 38A. The small diameter part 39B side of the tapered cylinder 39 is fixed to the fitting cylinder 34 on the turning scroll 27 side by a fixing ring 40, and the large diameter part 39D side is fixed to a fitting cylinder 36 by a fixing ring 41.
280 JPH0435634B2 - JP8062084 1984-04-21 JPH0435634B2 1992-06-11 MATOBA YOSHIAKI; OZAWA HITOSHI
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