JP5636042B2 - 真空ポンプ - Google Patents
真空ポンプ Download PDFInfo
- Publication number
- JP5636042B2 JP5636042B2 JP2012507816A JP2012507816A JP5636042B2 JP 5636042 B2 JP5636042 B2 JP 5636042B2 JP 2012507816 A JP2012507816 A JP 2012507816A JP 2012507816 A JP2012507816 A JP 2012507816A JP 5636042 B2 JP5636042 B2 JP 5636042B2
- Authority
- JP
- Japan
- Prior art keywords
- pumping
- section
- stage
- vacuum pump
- growth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005086 pumping Methods 0.000 claims description 81
- 230000007797 corrosion Effects 0.000 claims description 49
- 238000005260 corrosion Methods 0.000 claims description 49
- 239000000463 material Substances 0.000 claims description 44
- 230000007246 mechanism Effects 0.000 claims description 31
- 239000012530 fluid Substances 0.000 claims description 28
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 19
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 claims 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- 239000003518 caustics Substances 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- 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
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
-
- 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
- F04C18/126—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 radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
-
- 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
-
- 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
- F04C18/123—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 radially or approximately radially from the rotor body extending tooth-like elements, co-operating with recesses in the other rotor, e.g. one tooth
-
- 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
- F04C2210/00—Fluid
- F04C2210/10—Fluid working
-
- 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
- F04C2220/00—Application
- F04C2220/10—Vacuum
- F04C2220/12—Dry running
-
- 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
- F04C2220/00—Application
- F04C2220/30—Use in a chemical vapor deposition [CVD] process or in a similar process
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0436—Iron
- F05C2201/0439—Cast iron
- F05C2201/0442—Spheroidal graphite cast iron, e.g. nodular iron, ductile iron
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0907298.4 | 2009-04-29 | ||
GBGB0907298.4A GB0907298D0 (en) | 2009-04-29 | 2009-04-29 | Vacuum pump |
PCT/GB2010/050572 WO2010125368A2 (en) | 2009-04-29 | 2010-03-31 | Vacuum pump |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012525534A JP2012525534A (ja) | 2012-10-22 |
JP5636042B2 true JP5636042B2 (ja) | 2014-12-03 |
Family
ID=40791933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012507816A Active JP5636042B2 (ja) | 2009-04-29 | 2010-03-31 | 真空ポンプ |
Country Status (9)
Country | Link |
---|---|
US (1) | US20120045322A1 (pt) |
EP (1) | EP2425137B1 (pt) |
JP (1) | JP5636042B2 (pt) |
KR (2) | KR20170063990A (pt) |
CN (1) | CN102414449B (pt) |
BR (1) | BRPI1009368A2 (pt) |
GB (1) | GB0907298D0 (pt) |
TW (1) | TWI489043B (pt) |
WO (1) | WO2010125368A2 (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014001668A (ja) * | 2012-06-18 | 2014-01-09 | Toshiba Corp | ルーツポンプ |
FR3051852B1 (fr) * | 2016-05-24 | 2018-06-15 | Pfeiffer Vacuum | Stator, arbre rotatif, pompe a vide de type seche et procedes de fabrication associes |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3710782A1 (de) * | 1987-03-31 | 1988-10-20 | Vacuubrand Gmbh & Co | Verfahren und vorrichtung zum abpumpen von daempfen und/oder dampfhaltigen gemischen und/oder gas-dampf-gemischen oder dgl. medien |
GB9604486D0 (en) * | 1996-03-01 | 1996-05-01 | Boc Group Plc | Improvements in vacuum pumps |
DE19745615A1 (de) * | 1997-10-10 | 1999-04-15 | Leybold Vakuum Gmbh | Schraubenvakuumpumpe mit Rotoren |
KR100386753B1 (ko) * | 1998-03-23 | 2003-06-09 | 다이코 기카이 고교 가부시키가이샤 | 드라이 진공펌프 |
CN1399074A (zh) * | 2001-07-27 | 2003-02-26 | 大晃机械工业株式会社 | 干式真空泵 |
JP4007130B2 (ja) * | 2002-09-10 | 2007-11-14 | 株式会社豊田自動織機 | 真空ポンプ |
GB0223767D0 (en) * | 2002-10-14 | 2002-11-20 | Boc Group Plc | Pump cleaning |
TW200506217A (en) * | 2003-03-19 | 2005-02-16 | Ebara Corp | Positive-displacement vacuum pump |
JP2005098210A (ja) * | 2003-09-25 | 2005-04-14 | Aisin Seiki Co Ltd | 多段ドライポンプ |
GB0609306D0 (en) * | 2006-05-11 | 2006-06-21 | Boc Group Plc | Vacuum pump |
GB2440944B (en) * | 2006-08-11 | 2011-10-12 | Itt Mfg Enterprises Inc | Rotary lobe pump |
GB0705971D0 (en) * | 2007-03-28 | 2007-05-09 | Boc Group Plc | Vacuum pump |
-
2009
- 2009-04-29 GB GBGB0907298.4A patent/GB0907298D0/en not_active Ceased
-
2010
- 2010-03-31 WO PCT/GB2010/050572 patent/WO2010125368A2/en active Application Filing
- 2010-03-31 KR KR1020177014638A patent/KR20170063990A/ko active Search and Examination
- 2010-03-31 EP EP10712149.3A patent/EP2425137B1/en active Active
- 2010-03-31 KR KR1020117025564A patent/KR20120007014A/ko active Search and Examination
- 2010-03-31 JP JP2012507816A patent/JP5636042B2/ja active Active
- 2010-03-31 BR BRPI1009368A patent/BRPI1009368A2/pt not_active Application Discontinuation
- 2010-03-31 US US13/263,947 patent/US20120045322A1/en not_active Abandoned
- 2010-03-31 CN CN201080018922.5A patent/CN102414449B/zh active Active
- 2010-04-06 TW TW099110635A patent/TWI489043B/zh active
Also Published As
Publication number | Publication date |
---|---|
JP2012525534A (ja) | 2012-10-22 |
TW201102518A (en) | 2011-01-16 |
KR20120007014A (ko) | 2012-01-19 |
CN102414449A (zh) | 2012-04-11 |
GB0907298D0 (en) | 2009-06-10 |
TWI489043B (zh) | 2015-06-21 |
BRPI1009368A2 (pt) | 2016-03-08 |
EP2425137B1 (en) | 2024-10-23 |
KR20170063990A (ko) | 2017-06-08 |
WO2010125368A3 (en) | 2010-12-23 |
WO2010125368A2 (en) | 2010-11-04 |
US20120045322A1 (en) | 2012-02-23 |
EP2425137A2 (en) | 2012-03-07 |
CN102414449B (zh) | 2015-12-16 |
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