TW482877B - Screw machine - Google Patents
Screw machine Download PDFInfo
- Publication number
- TW482877B TW482877B TW089125486A TW89125486A TW482877B TW 482877 B TW482877 B TW 482877B TW 089125486 A TW089125486 A TW 089125486A TW 89125486 A TW89125486 A TW 89125486A TW 482877 B TW482877 B TW 482877B
- Authority
- TW
- Taiwan
- Prior art keywords
- rotor
- screw press
- separated
- rotors
- outermost surface
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C19/00—Sealing arrangements in rotary-piston machines or engines
- F01C19/08—Axially-movable sealings for working fluids
- F01C19/085—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or engines, e.g. gear machines or engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/082—Details specially related to intermeshing engagement type machines or engines
- F01C1/084—Toothed wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/082—Details specially related to intermeshing engagement type machines or engines
- F01C1/086—Carter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/12—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type
- F01C1/14—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F01C1/16—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Feeding Of Workpieces (AREA)
Description
482877 五、發明說明(1) 在一傳統式螺旋壓機中,一配列於界定一 個別對置部分重疊心孔中之公轉子及一母鍾^子框體内之 以截辑月轉 母轉子,共用作用 a叶&沙 大量氣體。雖然此種雙轉子形態為最普遍之 ΐλ個技術中已知之螺旋壓機,具有三個或更多之 之公及母轉^重豐=孔中之轉子,俾成對相互作用。成對 链如,具有不同之輪葉外形及輪葉及溝槽數量。 i接人?子可能具有六個被六個溝槽分開之輪葉,而成 此,i i么轉子可能具有五個被五個溝槽分開之輪葉。因 :種可能之共同作用於轉子間之輪葉及組合,均 」月b在一循環基礎下產生。 同3壓機之轉子,安裝於每-端之承轴上,用以 在轉+二仏向及軸向繫留。雖然如此,在傳統式練習中, 由J氣二二提,一末端運轉間隙之需主要導因於轉子 期盼一壓縮過?中生熱而導致之熱成長之故。保持 外層表面=轉間隙1足以確保不會在轉子端面及框體最 外,觸,對可靠操作螺旋壓機甚為重要。此 -軸向中,在被壓縮流體中之壓力梯|,通常在 吸入端轉子"L,其傾向將轉子推向螺旋壓機之 鳊,因而傾向於增大末端運轉間隙。 低螺旋壓機之總效率。在傳统之;^隙,因而嚴重地降 牡得,、死之成油式螺旋壓機中,通常
第4頁 緣ϊίί 可能造成i缩流體過多地經周 五、發明說明(2) _ t、油至由轉子端面及框 面區域而做為一提供、、☆:板間之末端運轉間隙界定之介 介面區域。然而者體铪封之裝置,俾減少氣體之漏入 轉子端面及框體;板;::間隙減小時,效率耗損將由於 大。 心板間油料内之黏度磨擦力而傾向於加 如上所述在操作過程中, 受熱之熱成長,轉子在細^由於導因於流體在壓縮過程中 增大。轉子之此一埶成11方向向框體排放端之末端外殼 在操作過程中,前:軸向'麼3運轉間隙。然而 子推向螺旋壓機之吸入總,力梯度傾向在一軸向方向將轉 因此,在傳統之溢油式螺,而傾向增加末端運轉間隙。 量之末端運轉間隙以減小磨中二常維持-相當數 長之故。同樣地當=广縮過程中之熱成 外:持;轉間隙之罰則,為持續增加 較大之末端運轉間=專=油式螺旋塵縮機中維持 質障礙至周遭之氣體外漏。孽如,已,2面以提供實 端面,俾徑向地沿著轉子輪葉或刀鋒背::棒:焊至轉子 而伸越且橋接末端運轉間隙之相當部位。中、線延伸’因 曼Jg總論 本發明一目標為改進一螺旋壓機内 本發明另一目標為減少一螺旋壓機内之 端運轉間 4828// 五、發明說明(3) 隙之外漏 在本發明之螺旋壓機中,壓縮 螺旋壓 運轉間隙…’可藉由針對外漏氣、體在末端運轉 提供持續之膨脹及收縮路徑而減少。纟本發明—實例二内 轉子端面表面及/或框體端板最外層表面,包含由呈蜂 型式之個別凹壁結構分開之小隔離凹穴表面,該蜂巢型式 係由網狀之互連壁面構件分開。在橫向移過諸如表面時, 外漏氣體在當其通過凹穴及凹壁時,必須重覆地膨脹及收 縮’此即一用以減少流動外漏之過程。不^專统式僅在一 f方向提供密封且經由由曲徑密封形成之溝槽而可實際造 ^周邊外漏增加之曲徑密封,本蜂巢型式之結構表面 %針對徑向及周邊氣體外漏,提供有效密封。 本發明對以較少量循環油操作螺旋壓機特別重要◊在 ^機中’由於不足量之油料㈣外漏路徑之&,因此更 難以獲得良好之外漏控制。 現在宜參考下面各種實例之詳 、、,田呪明及參考附圖,其中: 圖1為一螺旋壓機之橫向斷面圖; 圖2為圖1中螺旋壓機之部分斷面圖; 圖3為圖1中螺旋壓機部分排放端之放大圖; 圖4為圖3中沿4_4連線所取之轉子端視圖, 知面實例; W 丁 圖5為蜂巢式表面結構特定實例之放大圖;以及
第6頁 482877 五、發明說明(4) 圖6為圖3中沿6 - 6連線所取之框體端板端視圖,顯示本 發明之一變通實例。 I佳實例說明 現在參考圖1 ’說明一諸如一螺旋壓縮機之螺旋壓機 1 〇,具有一其内配置一對部分重疊心孔丨3及丨5之轉子框體 或外殼1 2。母轉子1 4設置於心孔丨3内,而公轉子丨6設置於 心孔15内。心孔13及15 —般分別沿著平行軸a及b延伸。 在圖示實例中,母轉子Γ4具有六片被六個溝槽分開之輪 葉14A,而公轉子16具有五片被五個溝槽分開之輪葉16八。 任一母轉子14或公轉子16可與主移動件(未圖示)連接而作 用為驅動轉子。亦可採用其他數量之母及公輪葉及溝槽組 合。 一現在參考圖2及3,轉子14具有一軸桿部位23,其配置一 徑向伸出軸桿部位23而成形於轉子14末端上之端面24。 子14軸桿部位23藉由-個或多個軸承3〇支撐 【。同樣地,轉子具有—軸桿部位25,其配置 4出軸桿部位26而成形於轉子16末端上之端面26。轉子16 部位25,藉由-個或多個轴承31支撐於出口外抓 動軸』L子31』吸入側軸桿部位27及29,分別被滾 動=承32及33支撐承置於轉子框體12内。 當操作諸如一電冰箱壓縮機 時,轉子16轉動接合轉子14且使ίςς轉=f驅動轉子 及Η内之旋轉轉子14及16之共轉;^列個別心孔 束氣體抽人轉子16及14溝槽,、^且口 18將冷 一戳後且反縮大1氣體,同
第7頁 482877 五、發明說明(5) k輸送熱壓縮氣體至排放口 1 9。針對前面討論過之理 必須分別在轉子丨4及1 6排放端之端面2 4及2 6以及出口’ 53端板55之最外層表面51之間,維持一末端運轉間喊 此一末端運轉間隙60,界定為轉子端面24及26之最接〇 ° 面表面及端板55最外層表面51間之區域。此一末 ,介 隙60在轉子端面24及26與出口外殼53端板55間,同日士t間 -周邊及徑向 <潛在氣體外漏路徑。纟傳統之溢 機中,自然流入末端運轉間隙6 〇内之潤滑油,可作鈿 密封而減少氣體經由末端運轉間隙外漏。 為一 在本發明螺旋壓機中,壓縮空氣經由一螺旋壓縮 運,間隙之外㉟,可藉由提供一迂迴外漏路徑而減:末: 持續之膨脹及收縮產生於末端運轉間隙内。在本發 〃 所示之實例中,轉子端面24及26表面包含一蜂巢式圖4 65。如圖5所述,表面65包含多數個被個別凹壁構\ \面八 ^ ^較f分離式凹穴70。在橫越末端運轉間隙6 G時,外刀漏 =體必須通過轉子端面24及26上之蜂巢式表面65。如^ 後,外漏氣體流在當其通過凹穴及凹壁時,不斷地膨 收縮’此即用以減少外漏流動之過程。 又 f本發明之圖6所示實例中’出口外殼53端板55上之 :卜層表面51,包含-蜂巢式表面65,其如圖5所述包 數個被個別凹壁構件80分開之較小分離式凹穴7〇。在 末端運轉間隙60中’外漏氣體必須通過出口外殼53端板55 上最外層表面51上之蜂巢式表面65。如此之後,外漏氣體 流在當其通過凹穴70及凹壁構件80時,不斷地膨脹及收 482877 五、發明說明(6) 縮,此即用以減少外漏流動之過程。 不似傳統式僅在一方向提供密封之曲徑密封,蜂巢式凹 穴結構表面同時針對徑向及周邊之氣體外漏,提供有效之 密封。宜了解蜂巢式結構代表多數個被網狀互連壁面結構 8 0分開之分離式開口凹穴7 0。凹穴實際上不必然好似與蜂 巢相關之六角型式小室。凹穴7 0開口區域之深度、形狀以 及大小,對本發明均不重要,重要者為設計選擇。
雖然本發明已藉由雙轉子式螺旋壓機特別圖示及說明, 但亦可應用採用三個或更多轉子之螺旋壓機。因此,本發 明僅欲受限於隨附申請專利範圍之範疇内。
第9頁
Claims (1)
- 482877 六、申請專利範圍 1. 一種螺旋壓機,包含一界定至少一對平行、部分重疊 心孔之框體、一具有最外層表面之出口外殼、以及一置於 該至少一對心孔内之配合成對之相互嚙合轉子,每一該轉 子具有一端面,該轉子端面與出口外殼之該最外層表面分 隔,同時與其界定一末端運轉間隙;其特徵為至少任一該 轉子端面之表面或出口外殼之該最外層表面,包含多數個 被一網狀互連壁面構件分開之分離式凹穴。2 ·根據申請專利範圍第Γ項之螺旋壓機,其中該多數個 被一網狀互連壁面構件分開之分離式凹穴,成形於每一該 轉子端面上。 3.根據申請專利範圍第1項之螺旋壓機,其中該多數個 被一網狀互連壁面構件分開之分離式凹穴,成形於出口外 殼之最外層表面上。第10頁
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/467,266 US6290480B1 (en) | 1999-12-20 | 1999-12-20 | Screw machine |
Publications (1)
Publication Number | Publication Date |
---|---|
TW482877B true TW482877B (en) | 2002-04-11 |
Family
ID=23855039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW089125486A TW482877B (en) | 1999-12-20 | 2000-11-30 | Screw machine |
Country Status (8)
Country | Link |
---|---|
US (1) | US6290480B1 (zh) |
EP (1) | EP1111187A3 (zh) |
JP (1) | JP2001193678A (zh) |
KR (1) | KR100378933B1 (zh) |
CN (1) | CN1121556C (zh) |
AU (1) | AU744102B2 (zh) |
BR (1) | BR0005950B1 (zh) |
TW (1) | TW482877B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6506037B1 (en) * | 1999-11-17 | 2003-01-14 | Carrier Corporation | Screw machine |
US6434960B1 (en) | 2001-07-02 | 2002-08-20 | Carrier Corporation | Variable speed drive chiller system |
BE1017582A3 (nl) * | 2007-03-05 | 2009-01-13 | Atlas Copco Airpower Nv | Vloeistofgeinjecteerd schroefcompressorelement. |
US10941770B2 (en) | 2010-07-20 | 2021-03-09 | Trane International Inc. | Variable capacity screw compressor and method |
CN102003214B (zh) * | 2010-12-14 | 2012-07-25 | 范年宝 | 一种新型螺杆膨胀动力机 |
KR20150070321A (ko) * | 2012-11-19 | 2015-06-24 | 마그나 파워트레인 바트 홈부르크 게엠베하 | 자동차를 위한 진공 펌프 |
CN112377407B (zh) * | 2020-10-09 | 2022-08-02 | 合肥通用机械研究院有限公司 | 一种三段式双螺杆压缩机转子及其型线的设计方法 |
WO2024132174A1 (en) * | 2022-12-22 | 2024-06-27 | Bitzer Kühlmaschinenbau Gmbh | Machine for expanding or compressing compressible media |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2492935A (en) * | 1943-11-22 | 1949-12-27 | Borg Warner | Rotary blower with abrading rotor ends and abradable casing sealing ridges |
US2868442A (en) * | 1953-10-27 | 1959-01-13 | Svenska Rotor Maskiner Ab | Rotary device |
US2849988A (en) * | 1954-10-26 | 1958-09-02 | Svenska Rotor Maskiner Ab | Rotary devices and casing structures therefor |
US3557687A (en) * | 1968-08-16 | 1971-01-26 | Boris Lazarevich Grinpress | Screw compressor |
FR2017579A1 (zh) * | 1968-09-07 | 1970-05-22 | Gutehoffnungshuette Sterkrade | |
DE2232592C3 (de) * | 1972-07-03 | 1978-09-14 | Wankel Gmbh, 1000 Berlin | Lade- und Abgas-Rotationskolbenmaschine |
GB1438324A (en) * | 1973-07-20 | 1976-06-03 | Svenska Rotor Maskiner Ab | Meshing-screw compressors |
JPS5618091A (en) * | 1979-07-20 | 1981-02-20 | Hitachi Ltd | Sealing device for forming collected-oil passage in oil- cooled screw compressor |
US4417859A (en) * | 1979-10-04 | 1983-11-29 | Praner Frank Casimir | Rotary displacement turbine engine with vacuum relief valve means |
DE2952240A1 (de) * | 1979-12-22 | 1981-07-02 | Rolf Prof. Dr.-Ing. 5650 Solingen Seybold | Stirnflaechendichtung |
FR2508113A1 (fr) * | 1981-06-17 | 1982-12-24 | Zimmern Bernard | Machine volumetrique a vis et pignons |
JPS59176487A (ja) * | 1983-03-25 | 1984-10-05 | Hitachi Ltd | スクリユ−圧縮機のロ−タ |
JPS59224402A (ja) * | 1983-06-03 | 1984-12-17 | Oval Eng Co Ltd | 容積型非噛合流量計又は原動機 |
JPH03290086A (ja) * | 1990-04-06 | 1991-12-19 | Hitachi Ltd | スクリュ式回転機械と該機械のロータ表面処理方法およびドライ方式のスクリュ式回転機械と該機械のロータ表面処理方法 |
SE468122B (sv) * | 1990-04-27 | 1992-11-09 | Svenska Rotor Maskiner Ab | Rotor foer en skruvrotormaskin, en skruvrotormaskin samt ett foerfarande foer tillverkning av en rotor |
CH682589A5 (de) * | 1990-12-28 | 1993-10-15 | Gerhard Renz Fried Meysen Thom | Abdichtung. |
EP0546281B1 (en) * | 1991-10-17 | 1996-08-28 | Ebara Corporation | Screw rotor and method of manufacturing the same |
US5222879A (en) * | 1992-05-18 | 1993-06-29 | Ingersoll-Rand Company | Contact-less seal and method for making same |
US5335640A (en) * | 1992-06-19 | 1994-08-09 | Feuling Engineering, Inc. | Rotor to casing seals for roots type superchargers |
JPH0688581A (ja) * | 1992-09-08 | 1994-03-29 | Kobe Steel Ltd | スクリュ圧縮機 |
JPH07279678A (ja) * | 1994-04-15 | 1995-10-27 | Tochigi Fuji Ind Co Ltd | スクリュー式過給機 |
US5797735A (en) * | 1995-04-03 | 1998-08-25 | Tochigi Fuji Sangyo Kabushiki Kaisha | Fluid machine having balance correction |
US5772418A (en) * | 1995-04-07 | 1998-06-30 | Tochigi Fuji Sangyo Kabushiki Kaisha | Screw type compressor rotor, rotor casting core and method of manufacturing the rotor |
AU2581301A (en) * | 1999-12-20 | 2001-07-03 | Carrier Corporation | Screw machine |
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1999
- 1999-12-20 US US09/467,266 patent/US6290480B1/en not_active Expired - Lifetime
-
2000
- 2000-11-30 TW TW089125486A patent/TW482877B/zh not_active IP Right Cessation
- 2000-12-01 EP EP00310684A patent/EP1111187A3/en not_active Withdrawn
- 2000-12-12 JP JP2000377025A patent/JP2001193678A/ja active Pending
- 2000-12-18 AU AU72342/00A patent/AU744102B2/en not_active Ceased
- 2000-12-19 KR KR10-2000-0078135A patent/KR100378933B1/ko not_active IP Right Cessation
- 2000-12-20 BR BRPI0005950-1A patent/BR0005950B1/pt not_active IP Right Cessation
- 2000-12-20 CN CN00137460A patent/CN1121556C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1300904A (zh) | 2001-06-27 |
BR0005950A (pt) | 2001-07-17 |
EP1111187A2 (en) | 2001-06-27 |
KR20010067412A (ko) | 2001-07-12 |
AU744102B2 (en) | 2002-02-14 |
EP1111187A3 (en) | 2002-05-02 |
BR0005950B1 (pt) | 2008-11-18 |
JP2001193678A (ja) | 2001-07-17 |
KR100378933B1 (ko) | 2003-04-08 |
AU7234200A (en) | 2001-06-21 |
CN1121556C (zh) | 2003-09-17 |
US6290480B1 (en) | 2001-09-18 |
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