EP1322864A1 - Flügel aus kunststoff für eine flügelzellen-vakuumpumpe - Google Patents
Flügel aus kunststoff für eine flügelzellen-vakuumpumpeInfo
- Publication number
- EP1322864A1 EP1322864A1 EP01982127A EP01982127A EP1322864A1 EP 1322864 A1 EP1322864 A1 EP 1322864A1 EP 01982127 A EP01982127 A EP 01982127A EP 01982127 A EP01982127 A EP 01982127A EP 1322864 A1 EP1322864 A1 EP 1322864A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wing
- vane
- end part
- vacuum pump
- plastic
- 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.)
- Granted
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 10
- 229920003023 plastic Polymers 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000001746 injection moulding Methods 0.000 claims abstract description 11
- 238000000137 annealing Methods 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 239000012815 thermoplastic material Substances 0.000 abstract description 2
- 241000446313 Lamella Species 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000748 compression moulding Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 229920006260 polyaryletherketone Polymers 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/08—Rotary pistons
- F01C21/0809—Construction of vanes or vane holders
- F01C21/0881—Construction of vanes or vane holders the vanes consisting of two or more parts
-
- 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
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
- F04C18/3442—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the inlet and outlet opening
Definitions
- the invention relates to a wing made of plastic for a vane vacuum pump, according to the preamble of claim 1.
- a cell compressor which is equipped with plastic fins or blades. While that part of the fins which is assigned to the rotor of the cell compressor consists of a poor quality material, the end part of the fins which is assigned to a jacket wall of the compressor housing, on the other hand, should consist of a highly wear-resistant material.
- the parts of the lamellae are manufactured separately from one another and connected to one another by methods such as gluing, riveting and welding. Furthermore, the two lamella parts can also be pressed together during the manufacturing process.
- a multi-part lamella construction has the disadvantage that the individual tolerances of the lamella parts add up.
- the wing according to the invention with the features of claim 1 is advantageous in that, on the one hand, there is no need to assemble separately manufactured individual parts, and on the other hand the injection mold reproducibly determines the final shape of the wing with relatively narrow tolerances.
- a structure of the wing is specified in which the body of the wing is first produced by injection molding, injection molding or compression molding and subsequently the end part of the wing is manufactured in the same or a separate injection molding tool.
- the development of the invention according to claim 3 is advantageous in that on the one hand the shape accuracy of the wing is improved by a reduced influence of the material shrinkage at the end part, on the other hand the costs of the wing can be kept low if the material of the end part is expensive.
- the measure characterized in claim 4 represents a connection of the parts of the wing which can be produced in a simple manner in the course of the manufacture of the wing, in particular if the materials used for the Body and the end part of the wing no material bond can be achieved.
- an increase in the strength of the wing is achieved by the maximum achievable spatial degree of cross-linking of the molecular structures and a constancy of the wing geometry by reducing stress in the material structure and avoiding the post-shrinkage.
- FIG. 1 shows a three-dimensional representation of a vane cell vacuum pump with a single vane
- FIG. 2 shows the body of the wing as a spatial image
- FIG. 3 also shows the vane completed with two end parts.
- a vane cell vacuum pump 10 shown in FIG. 1 has a pump housing 11 shown without a lid, with an interior 12 in which a drivable rotor 13 is arranged eccentrically.
- the rotor 13 is provided with a transverse slot 14 for the longitudinally movable guidance of a wing 15 made of plastic.
- the wing 15 slidably and sealingly engages an inner wall 16 on the casing side, an end wall 17 and the cover (not shown) of the pump housing 11.
- the pump housing 11 also has an intake port 18 with an inlet opening 19 opening into the inner side 12 and an outlet opening 20 on the front side.
- the intake port 18 is not shown Vacuum brake booster connected to a vehicle brake system.
- the functioning of the vane vacuum pump 10 is known, so that no further explanation is required for this.
- the lamellar wing 15 is made of plastic. Its body 21 shown in FIG. 2 of the drawing is made of a thermoset. It is made of a glass fiber reinforced phenol novolak molding compound or a material with comparable properties
- Injection molding injection molding or compression molding.
- This material is characterized by high mechanical and dynamic resilience and oil resistance. Its material properties are largely constant in the temperature range from -40 ° C to + 150 ° C. The setting behavior of the
- thermoset is very low over the life of the vacuum pump 10.
- the material properties of the thermoset mentioned can be improved by annealing the body 21 for several hours.
- the wing 15 has molded-on end parts 22 and 23, which consist of a high-temperature-resistant thermoplastic such as polyaryl ether ketone (PEEK) or a material with comparable properties.
- PEEK polyaryl ether ketone
- This plastic possibly modified by a specially designed filler combination, has a high wear resistance and a low coefficient of friction.
- the end parts 22 and 23 are combined with the body 21 of the wing 15 by an injection molding process.
- the body 21, which is provided with end sections 28, 29 which are stepped back in relation to its broad sides 24, 25 and its narrow sides 26, 27 (see FIG. 2), is received in a tool form and with the aforementioned thermoplastic material to that shown in FIG. 3 Completed form.
- the two form end parts 22 and 23 of the wing 15 semi-cylindrical shells with a small layer thickness, which envelop the end sections 28 and 29 of the body 21 as a sliding coating and are flush with the narrow sides 26 and 27 of the body 21 at least.
- the plastics used for the body 21 and the end parts 22, 23 of the wing 15 have no or an insufficient material bond, measures for achieving a positive fit between the mentioned parts and the body of the wing 15 are provided in the above-described embodiment of the wing 15.
- the end sections 28 and 29 of the body 21 have three longitudinal, straight grooves 30 of semi-circular to three-quarter circular cross-section, which are filled by the material of the end parts 22 and 23 during the injection molding process. In this way, lifting or loosening of the end parts 22, 23 from the body 21 of the wing 15 is prevented.
- the annealing of the body 21 can also take place without damage to the end parts 22, 23 after they have been combined with the body.
- the manufacturing process can also be used in vane cell vacuum pumps, in which vanes with only a single sliding surface on the end are used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10046697 | 2000-09-21 | ||
| DE10046697A DE10046697A1 (de) | 2000-09-21 | 2000-09-21 | Flügel aus Kunststoff für eine Flügelzellen-Vakuumpumpe |
| PCT/DE2001/003598 WO2002025113A1 (de) | 2000-09-21 | 2001-09-19 | Flügel aus kunststoff für eine flügelzellen-vakuumpumpe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1322864A1 true EP1322864A1 (de) | 2003-07-02 |
| EP1322864B1 EP1322864B1 (de) | 2004-03-10 |
Family
ID=7657030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01982127A Expired - Lifetime EP1322864B1 (de) | 2000-09-21 | 2001-09-19 | Flügel aus kunststoff für eine flügelzellen-vakuumpumpe |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6655937B2 (de) |
| EP (1) | EP1322864B1 (de) |
| JP (1) | JP2004509289A (de) |
| CN (1) | CN1230625C (de) |
| DE (2) | DE10046697A1 (de) |
| ES (1) | ES2217196T3 (de) |
| HU (1) | HU222979B1 (de) |
| WO (1) | WO2002025113A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007054162A1 (de) * | 2005-11-14 | 2007-05-18 | Joma-Hydromechanic Gmbh | Rotorpumpe |
| US10087930B2 (en) | 2015-07-13 | 2018-10-02 | Joma-Polytec Gmbh | Vane for a vane cell pump and vane cell pump |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1327778A3 (de) * | 2000-03-15 | 2003-07-23 | Joma-Hydromechanic GmbH | Flügelzellenpumpe |
| DE20118896U1 (de) * | 2001-11-20 | 2003-03-27 | Joh. Winklhofer & Söhne GmbH und Co KG, 81369 München | Kettenrad |
| DE10307040A1 (de) * | 2003-02-20 | 2004-09-16 | Luk Automobiltechnik Gmbh & Co. Kg | Vakuumpumpe |
| WO2004074687A2 (de) * | 2003-02-20 | 2004-09-02 | Luk Automobiltechnik Gmbh & Co. Kg | Vakuumpumpe mit einem kunststoffflügel |
| EP1471255B1 (de) * | 2003-04-24 | 2005-07-20 | Joma-Hydromechanic GmbH | Flügelzellenpumpe |
| DE202004010821U1 (de) * | 2003-07-23 | 2004-12-23 | The Boc Group Plc, Windlesham | Vakuumpumpenbauteil |
| DE102004034919B3 (de) * | 2004-07-09 | 2005-12-01 | Joma-Hydromechanic Gmbh | Einflügelvakuumpumpe |
| DE102004034921B9 (de) * | 2004-07-09 | 2006-04-27 | Joma-Hydromechanic Gmbh | Einflügelvakuumpumpe |
| DE102004034925B3 (de) * | 2004-07-09 | 2006-02-16 | Joma-Hydromechanic Gmbh | Einflügelvakuumpumpe |
| DE102004053521A1 (de) * | 2004-10-29 | 2006-05-11 | Joma-Hydromechanic Gmbh | Flügel für eine Rotorpumpe |
| DE102005050001A1 (de) * | 2005-10-13 | 2007-04-19 | Joma-Hydromechanic Gmbh | Rotorpumpe |
| DE502006008822D1 (de) * | 2005-10-13 | 2011-03-10 | Joma Polytec Gmbh | Rotorpumpe und flügel für eine rotorpumpe |
| DE102006012889A1 (de) * | 2005-11-14 | 2007-05-16 | Joma Hydromechanic Gmbh | Vakuumpumpe |
| DE102006011913A1 (de) * | 2006-03-09 | 2007-09-13 | Joma-Hydromechanic Gmbh | Vakuumpumpe |
| EP1948936A1 (de) | 2005-11-14 | 2008-07-30 | Joma-Hydromechanic GmbH | Vakuumpumpe |
| DE102005058129A1 (de) * | 2005-11-30 | 2007-05-31 | Joma-Hydromechanic Gmbh | Vakuumpumpe |
| ITTO20060673A1 (it) * | 2006-09-21 | 2008-03-22 | Vhit Spa | Pompa rotativa a palette |
| EP2173971B1 (de) * | 2007-07-03 | 2016-12-21 | O.M.P. Officine Mazzocco Pagnoni S.r.l. | Vakuumpumpe für einen kraftfahrzeugmotor |
| DE102008019440A1 (de) * | 2008-04-17 | 2009-10-22 | FRÖTEK Kunststofftechnik GmbH | Flügel einer Flügelzellenpumpe oder eines Flügelzellenkompressors |
| DE102008057227A1 (de) | 2008-11-04 | 2010-05-12 | Joma-Hydromechanic Gmbh | Flügel für eine Einflügelvakuumpumpe |
| DE102010051610B4 (de) | 2009-11-24 | 2023-10-26 | Hanon Systems Efp Deutschland Gmbh | Vakuumpumpe |
| DE102012002759A1 (de) | 2012-02-11 | 2013-08-14 | Volkswagen Aktiengesellschaft | Hybridantrieb und Pumpe mit einem solchen Hybridantrieb |
| CN102536822B (zh) * | 2012-02-14 | 2016-06-08 | 无锡明治泵业有限公司 | 滚柱滑片真空泵 |
| CN103850937B (zh) * | 2012-11-30 | 2016-08-24 | 上海华培动力科技有限公司 | 一种辅助车用制动系统的负压装置 |
| DE102013204503B4 (de) * | 2013-03-14 | 2017-03-30 | Schwäbische Hüttenwerke Automotive GmbH | Flügelzellenpumpe mit Flügel mit Oberflächenstruktur |
| CN105020141A (zh) * | 2015-07-24 | 2015-11-04 | 裕克施乐塑料制品(太仓)有限公司 | 一种端部可变形的真空泵叶片及真空泵 |
| CN105156324B (zh) * | 2015-09-11 | 2018-09-04 | 裕克施乐塑料制品(太仓)有限公司 | 一种新型塑料真空泵叶片及真空泵 |
| CN105570129A (zh) * | 2016-02-25 | 2016-05-11 | 上海华培动力科技有限公司 | 用于机械真空泵的叶片结构 |
| JP6967954B2 (ja) * | 2017-12-05 | 2021-11-17 | 東京エレクトロン株式会社 | 排気装置、処理装置及び排気方法 |
| CN113048059A (zh) * | 2021-04-06 | 2021-06-29 | 湖南腾智机电有限责任公司 | 一种机械真空泵的组合式旋片 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7503397U (de) | 1975-05-28 | Peters C Ag | Lamelle für Zellenverdichter | |
| GB1426126A (en) | 1973-02-16 | 1976-02-25 | Komiya S | Movable vane type compressor |
| DE2421906C2 (de) * | 1974-05-07 | 1984-04-26 | UNUS dei F.lli Rossato V. & S., S.N.C., Padua | Drehkolbenluftpumpe |
| JPS54161611U (de) * | 1978-05-02 | 1979-11-12 | ||
| JPS569693A (en) * | 1979-07-04 | 1981-01-31 | Kanebo Ltd | Vane for rotary pump and its manufacture |
| JPS5652594A (en) * | 1979-10-08 | 1981-05-11 | Taiho Kogyo Co Ltd | Vane for vane pump |
| JPS59153995A (ja) * | 1983-02-21 | 1984-09-01 | Mitsubishi Electric Corp | ポンプ装置 |
| DE3318281A1 (de) * | 1983-05-17 | 1984-11-29 | Bernhard 1000 Berlin Lohff | Verbrennungsmotor |
| JPS6331275U (de) * | 1986-08-15 | 1988-02-29 | ||
| JPS63105287A (ja) * | 1986-10-20 | 1988-05-10 | Tokico Ltd | 空気圧縮機用弁装置 |
| JPH0460192A (ja) * | 1990-06-29 | 1992-02-26 | Toshiba Corp | コンプレッサー |
| JPH04325226A (ja) * | 1991-04-24 | 1992-11-13 | Onishi Raito Kogyosho:Kk | 軸受製造方法および軸受 |
| JPH07269468A (ja) * | 1994-03-31 | 1995-10-17 | Tokico Ltd | ベーンポンプ用翼弁 |
| JPH0951958A (ja) * | 1995-08-14 | 1997-02-25 | Nippon Kikai Kogyo Kk | 消防ポンプ呼水用の真空ポンプ |
| US5651930A (en) * | 1995-10-25 | 1997-07-29 | Zexel Usa Corporation | Composite fiber rotor vane |
| DE19901419C2 (de) * | 1999-01-18 | 2002-11-07 | Jose Poch-Parramon | Kunststoffmischung |
| US6364646B1 (en) * | 1999-05-27 | 2002-04-02 | Kevin R. Kirtley | Rotary vane pump with continuous carbon fiber reinforced polyetheretherketone (peek) vanes |
| EP1327778A3 (de) * | 2000-03-15 | 2003-07-23 | Joma-Hydromechanic GmbH | Flügelzellenpumpe |
-
2000
- 2000-09-21 DE DE10046697A patent/DE10046697A1/de not_active Withdrawn
-
2001
- 2001-09-19 ES ES01982127T patent/ES2217196T3/es not_active Expired - Lifetime
- 2001-09-19 HU HU0203934A patent/HU222979B1/hu not_active IP Right Cessation
- 2001-09-19 CN CNB018028276A patent/CN1230625C/zh not_active Expired - Lifetime
- 2001-09-19 JP JP2002528683A patent/JP2004509289A/ja active Pending
- 2001-09-19 EP EP01982127A patent/EP1322864B1/de not_active Expired - Lifetime
- 2001-09-19 US US10/130,362 patent/US6655937B2/en not_active Expired - Lifetime
- 2001-09-19 DE DE50101676T patent/DE50101676D1/de not_active Expired - Lifetime
- 2001-09-19 WO PCT/DE2001/003598 patent/WO2002025113A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0225113A1 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007054162A1 (de) * | 2005-11-14 | 2007-05-18 | Joma-Hydromechanic Gmbh | Rotorpumpe |
| US10087930B2 (en) | 2015-07-13 | 2018-10-02 | Joma-Polytec Gmbh | Vane for a vane cell pump and vane cell pump |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2217196T3 (es) | 2004-11-01 |
| HUP0203934A2 (en) | 2003-03-28 |
| JP2004509289A (ja) | 2004-03-25 |
| CN1404555A (zh) | 2003-03-19 |
| DE10046697A1 (de) | 2002-04-11 |
| EP1322864B1 (de) | 2004-03-10 |
| CN1230625C (zh) | 2005-12-07 |
| US20030053924A1 (en) | 2003-03-20 |
| HU222979B1 (hu) | 2004-01-28 |
| DE50101676D1 (de) | 2004-04-15 |
| US6655937B2 (en) | 2003-12-02 |
| WO2002025113A1 (de) | 2002-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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