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WO2018010793A1 - Pompe à vide de véhicule automobile - Google Patents

Pompe à vide de véhicule automobile Download PDF

Info

Publication number
WO2018010793A1
WO2018010793A1 PCT/EP2016/066731 EP2016066731W WO2018010793A1 WO 2018010793 A1 WO2018010793 A1 WO 2018010793A1 EP 2016066731 W EP2016066731 W EP 2016066731W WO 2018010793 A1 WO2018010793 A1 WO 2018010793A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump
lubricant
motor vehicle
vacuum pump
vehicle vacuum
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.)
Ceased
Application number
PCT/EP2016/066731
Other languages
German (de)
English (en)
Inventor
Steffen Schnurr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pierburg Pump Technology GmbH
Original Assignee
Pierburg Pump Technology GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pierburg Pump Technology GmbH filed Critical Pierburg Pump Technology GmbH
Priority to US16/317,031 priority Critical patent/US20190226483A1/en
Priority to EP16738786.9A priority patent/EP3485167A1/fr
Priority to PCT/EP2016/066731 priority patent/WO2018010793A1/fr
Priority to CN201680087398.4A priority patent/CN109416043B/zh
Publication of WO2018010793A1 publication Critical patent/WO2018010793A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/025—Lubrication; Lubricant separation using a lubricant pump
    • 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
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
    • F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F04C29/0071—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/021—Control systems for the circulation of the lubricant
    • 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
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings

Definitions

  • the invention relates to a motor vehicle vacuum pump with a pump housing, which includes a pump chamber in which a pump rotor with at least one displaceably mounted pump rotor blades is rotatably supported by pump rotor bearing means, directly or indirectly by means of a coupling unit rotatably with the Pump rotor is connected to a drive shaft is connectable, wherein a lubricant supply arrangement for lubricating the pump chamber and / or the pump rotor bearing means and / or the coupling unit is provided, wherein the
  • Lubricant supply arrangement comprises at least one stationary Schmlerffen supply channel in the pump housing, through which the lubricant is pumpable from a lubricant inlet opening of the pump housing in the direction of the pump chamber and / or the pump rotor bearing means and / or the coupling unit to a lubricant outlet port, wherein a sealing member is provided in the area of the lubricant inlet opening and a filter element is provided in the lubricant inlet opening.
  • a mechanical automotive vacuum pump which has a lubricant supply arrangement in which by a stationary lubricant supply channel in the pump housing, the liquid lubricant via a lubricant outlet opening in an axially extending lubricant channel in the hollow cylindrical surface of the Pump housing is passed, which is ensured by a sliding bearing of the pump rotor.
  • the lubricant supply arrangement ensures the lubrication of the running surface of the at least one rotor blade in the pump housing.
  • a lubricant pump is provided which pumps lubricant to a lubricant inlet port.
  • This vacuum pump is rotatably coupled via a plug-in coupling arrangement with the crankshaft or the drive shaft of the internal combustion engine.
  • the plug-in coupling arrangement consists of mutually complementary plug-in coupling elements which have one or more jaws which engage in corresponding recesses of the respective other plug-in coupling element.
  • a filter element is provided in the region of the lubricant inlet port.
  • a sealing member is provided to prevent lubricant from unintentionally getting outside the lubricant supply arrangement. This construction is relatively expensive and sensitive to dynamic loads in terms of sealing function.
  • the object of the invention is in contrast to provide a motor vehicle vacuum pump with a simply constructed lubricant supply, which avoids the above-mentioned Wegelle.
  • sealing member and the filter element is designed as a combined seal filter unit.
  • Lubricant supply arrangement ensured.
  • a lubrication of the pump chamber, the pump rotor bearing means and / or the coupling unit may be provided.
  • this can be both mechanical and electrical vacuum pumps.
  • the sealing member is disposed on an edge member of the filter element.
  • a conventional Filter element to be used for the production of the combined sealing filter unit is understood here a one-piece or multi-part filter element.
  • the combined seal-filter unit may be integrally formed. It is particularly advantageous if the sealing member is molded onto the filter element.
  • the filter element has a filter nozzle, which serves to limit the flow rate.
  • a pump rotor outer surface is mounted in a wooden cylinder surface of the pump housing, wherein the lubricant supply arrangement is designed such that the lubricant outlet port is at least temporarily fluidly connected to an axially extending lubricant channel in the hollow cylinder surface.
  • the lubricant supply arrangement can also be designed differently. In particular, further channels and openings may be provided.
  • the lubricant channel is open to the pump chamber, such that lubricant can be transferred into the pump chamber.
  • lubrication of the tread is ensured in a simple manner.
  • FIG. 1 shows a longitudinal section of a motor vehicle vacuum pump according to the invention
  • FIG. 2 shows an enlarged view of a combined sealing filter unit of the motor vehicle vacuum pump from FIG. 1.
  • FIG. 1 schematically shows a vacuum pump arrangement which consists essentially of a motor vehicle vacuum pump 2, an internal combustion engine 4 and a lubricant pump 6 assigned to the internal combustion engine 4.
  • the vacuum pump 2 is here coupled mechanically via a plug-in coupling arrangement 8 with a crankshaft or a drive shaft of the internal combustion engine 4.
  • a plug-in coupling arrangement 8 with a crankshaft or a drive shaft of the internal combustion engine 4.
  • the vacuum pump 2 serves, for example, to provide actuator-specific vacuum for various ancillary components of the motor vehicle, for example for a pneumatic brake booster.
  • the lubricant pump 6 conveys the liquid lubricant for the lubricant supply of the engine 4 and the lubricant supply of the vacuum pump 2.
  • the vacuum pump 2 is a so-called vane pump and has a PumpengehSuse 10, which is essentially formed by a housing body 12 and a housing cover 14.
  • a rotatably mounted about a longitudinal axis pump rotor 16 is arranged with a displaceably mounted pump rotor blades 18.
  • the eccentrically mounted pump rotor blade 18 is guided with both ends over a running surface 20 of the housing body 12, such that air sucked in via an air inlet pipe 22 in an enclosed by the pump housing 10 and through the Pump rotor 16 divided pump chamber 23 is compressed and ejected via a not shown air outlet.
  • the pump rotor 16 has a pump rotor outer surface 24, which forms a slide bearing assembly 28 together with a hollow cylindrical surface 26 of the pump housing 10.
  • a lubricant supply assembly 30 is provided, which is fluidly connected to the lubricant pump 6.
  • the pump housing 10 has a flange surface 32 which bears against a suitable internal combustion engine housing part.
  • a coupling unit 34 of the clutch assembly 8 is provided which is rotatably coupled in a known manner with the pump rotor 16.
  • a lubricant inlet opening 36 is arranged in the flange surface 32 in which a combined seal-filter unit 38 is provided by means of a press fit.
  • the combined sealing-filter unit 38 in the present exemplary embodiment consists of a filter element 40 which, in the present exemplary embodiment, essentially has a filter nozzle 41 for limiting the flow rate, an edge member 42 and a filter disk 44 clicked on. On the edge member 42, an annular sealing member 45 is slipped.
  • the combined seal filter unit 38 may also be integrally formed.
  • the one-piece construction relates in principle to a one-piece design of the edge member 42 of the filter element 40 with the sealing member 45, wherein the sealing member 45 is molded onto the filter element 40.
  • the filter disk 44 may additionally be integrated via injection molding.
  • the lubricant is thus from the lubricant pump 6 via the inlet opening 36 with the combined braid-filter unit 38 in a subsequent lubricant supply channel 46 of the lubricant supply assembly 30 pumped, represented by a solid line.
  • the lubricant supply channel 46 has a lubricant outlet opening 48, which in turn is at least temporarily fluidly connected to an axially extending lubricant channel 50 in the hollow cylinder surface 26 when the pump rotor 16 rotates.
  • the slide bearing assembly 28 is sufficiently supplied with lubricant in this way.
  • lubricant channel 50 Due to the fact that the lubricant channel 50 is opened and expanded to the pump chamber 23, lubricant is introduced into the pump chamber and lubricates the running surface 20 on known catfish and returns to the lubricant pump 6 via an outlet, not shown, represented by a dashed line.
  • the coupling unit 34 may be included in the lubricant supply.
  • the pump rotor bearing means can take place.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

L'invention concerne une pompe à vide (2) de véhicule automobile comprenant un carter de pompe (10) qui entoure une chambre de pompe (23) dans laquelle un rotor de pompe (16) doté d'au moins une aube de rotor de pompe (18) montée mobile est monté de manière rotative par le biais de moyens paliers (28), laquelle aube peut être reliée à un arbre d'entraînement directement ou indirectement au moyen d'une unité d'accouplement (34) qui est reliée au rotor de pompe (16) de manière solidaire en rotation, un système d'alimentation en lubrifiant (30) servant à la lubrification de la chambre de pompe (23) et/ou des moyens paliers (28) de rotor de pompe et/ou de l'unité d'accouplement (34), le système d'alimentation en lubrifiant (30) comprenant au moins un conduit d'alimentation en lubrifiant (46) fixe dans le carter de pompe (10), conduit à travers lequel le lubrifiant peut être pompé à partir d'une ouverture d'entrée de lubrifiant (36) du carter de pompe (10) en direction de la chambre de pompe (23) et/ou des moyens paliers (28) de rotor de pompe et/ou de l'unité d'accouplement (34) jusqu'à une ouverture de sortie de lubrifiant (48), un organe d'étanchéité (45) étant situé dans la région de l'ouverture d'entrée de lubrifiant (36) et un élément de filtration (40) étant situé dans l'ouverture d'entrée de lubrifiant (36), l'organe d'étanchéité (45) et l'élément de filtration (40) étant réalisés sous la forme d'une unité combinée d'étanchéité et de filtration (38).
PCT/EP2016/066731 2016-07-14 2016-07-14 Pompe à vide de véhicule automobile Ceased WO2018010793A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US16/317,031 US20190226483A1 (en) 2016-07-14 2016-07-14 Motor vehicle vacuum pump
EP16738786.9A EP3485167A1 (fr) 2016-07-14 2016-07-14 Pompe à vide de véhicule automobile
PCT/EP2016/066731 WO2018010793A1 (fr) 2016-07-14 2016-07-14 Pompe à vide de véhicule automobile
CN201680087398.4A CN109416043B (zh) 2016-07-14 2016-07-14 机动车真空泵

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2016/066731 WO2018010793A1 (fr) 2016-07-14 2016-07-14 Pompe à vide de véhicule automobile

Publications (1)

Publication Number Publication Date
WO2018010793A1 true WO2018010793A1 (fr) 2018-01-18

Family

ID=56411641

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/066731 Ceased WO2018010793A1 (fr) 2016-07-14 2016-07-14 Pompe à vide de véhicule automobile

Country Status (4)

Country Link
US (1) US20190226483A1 (fr)
EP (1) EP3485167A1 (fr)
CN (1) CN109416043B (fr)
WO (1) WO2018010793A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017126750A1 (de) * 2017-11-14 2019-05-16 Schwäbische Hüttenwerke Automotive GmbH Pumpvorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010043202A2 (fr) * 2008-10-15 2010-04-22 Ixetic Hückeswagen Gmbh Pompe à vide
EP3032105A1 (fr) * 2014-12-12 2016-06-15 Pierburg Pump Technology GmbH Pompe à vide mécanique pour véhicule automobile

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771624A (en) * 1971-10-20 1973-11-13 Analysts Inc Contaminant collection means for recirculating fluid system
KR100605377B1 (ko) * 2004-07-06 2006-08-02 발레오전장시스템스코리아 주식회사 차량용 진공펌프의 펌프로터
CN201463278U (zh) * 2009-06-26 2010-05-12 陈和 一种燃气壁挂锅炉外置密封过滤装置
EP2559903A1 (fr) * 2011-08-17 2013-02-20 Wabco Automotive UK Limited Pompe à vide améliorée
CN104386050B (zh) * 2014-11-10 2017-09-01 昌通科技有限公司 制动阀阀芯过滤网
CN204610269U (zh) * 2015-03-06 2015-09-02 浙江安露清洗机有限公司 一种透明进水过滤器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010043202A2 (fr) * 2008-10-15 2010-04-22 Ixetic Hückeswagen Gmbh Pompe à vide
EP3032105A1 (fr) * 2014-12-12 2016-06-15 Pierburg Pump Technology GmbH Pompe à vide mécanique pour véhicule automobile

Also Published As

Publication number Publication date
EP3485167A1 (fr) 2019-05-22
CN109416043A (zh) 2019-03-01
US20190226483A1 (en) 2019-07-25
CN109416043B (zh) 2020-11-24

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