WO2010085935A2 - Couvercle de carter de pompe à vide - Google Patents

Couvercle de carter de pompe à vide Download PDF

Info

Publication number
WO2010085935A2
WO2010085935A2 PCT/DE2010/000046 DE2010000046W WO2010085935A2 WO 2010085935 A2 WO2010085935 A2 WO 2010085935A2 DE 2010000046 W DE2010000046 W DE 2010000046W WO 2010085935 A2 WO2010085935 A2 WO 2010085935A2
Authority
WO
WIPO (PCT)
Prior art keywords
vacuum pump
pump housing
housing cover
connecting piece
housing part
Prior art date
Application number
PCT/DE2010/000046
Other languages
German (de)
English (en)
Other versions
WO2010085935A3 (fr
WO2010085935A9 (fr
Inventor
Ralf Friedmann
Original Assignee
Ixetic Hückeswagen 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 Ixetic Hückeswagen Gmbh filed Critical Ixetic Hückeswagen Gmbh
Priority to DE112010000237T priority Critical patent/DE112010000237A5/de
Priority to EP10707200.1A priority patent/EP2391828B1/fr
Publication of WO2010085935A2 publication Critical patent/WO2010085935A2/fr
Publication of WO2010085935A9 publication Critical patent/WO2010085935A9/fr
Publication of WO2010085935A3 publication Critical patent/WO2010085935A3/fr

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
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • 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
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
    • F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return 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
    • F04C2220/00—Application
    • F04C2220/10—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
    • F04C2230/00—Manufacture
    • F04C2230/20—Manufacture essentially without removing material
    • F04C2230/23—Manufacture essentially without removing material by permanently joining parts together
    • F04C2230/231—Manufacture essentially without removing material by permanently joining parts together by welding

Definitions

  • the invention relates to a vacuum pump housing cover with a flat contact surface for mounting the vacuum pump housing cover.
  • the invention further relates to a method for producing such a vacuum pump housing cover.
  • the object of the invention is to provide a vacuum pump housing cover with a flat contact surface for mounting the vacuum pump housing cover, which is simple and inexpensive to produce.
  • a vacuum pump housing cover with a flat contact surface for mounting the vacuum pump housing cover in that the vacuum pump housing cover is designed as a steel forming part with a through hole which is surrounded on the side facing away from the planar contact surface of the vacuum pump housing cover by a nozzle housing part, which also serves as a forming part made of steel and is firmly bonded to the vacuum pump housing cover.
  • the vacuum pump housing cover according to the invention makes it possible in a simple manner to connect a consumer to a vacuum pump equipped with the vacuum pump housing cover.
  • the consumer is preferably a secondary consumer, since the main connection of the vacuum pump is preferably provided on a vacuum pump housing, which can be closed by the vacuum pump housing cover.
  • a preferred embodiment of the vacuum pump housing cover is characterized in that the planar contact surface has a flatness of about five hundredths of a millimeter.
  • the inventive attachment of the nozzle housing part to the vacuum pump housing cover can be ensured in a simple manner, the desired flatness of the contact surface without reworking.
  • the contact surface of the vacuum pump housing cover is attached to the vacuum pump housing of a vacuum pump. The specified flatness of the contact surface is required to ensure adequate sealing at the interface between the vacuum pump housing and the vacuum pump housing cover.
  • a further preferred embodiment of the vacuum pump housing cover is characterized in that the nozzle housing part is connected to the vacuum pump housing cover by a welded connection, in particular a projection welding connection.
  • a welded connection in particular a projection welding connection.
  • the projection welding has proven to be particularly advantageous, since in this case an undesirable deformation or impairment of the flatness of the flat contact surface of the vacuum pump housing cover can be prevented.
  • Bump welding is a resistance pressure welding process in which the abutting components only touch each other in bumps, warts or beads. Resistance heating takes place at the points of contact in order to produce a cohesive connection.
  • the components are preferably joined under pressure, wherein the humps, warts or beads are partially or completely leveled.
  • a further preferred embodiment of the vacuum pump housing cover is characterized in that in the nozzle housing part, a connecting piece is partially received, which extends through an opening of the nozzle housing part to the outside.
  • the connecting piece is designed, for example, as a casting, preferably made of an aluminum-zinc alloy, and serves to connect a secondary consumer to the vacuum pump housing cover to the vacuum pump.
  • the vacuum pump housing cover is characterized in that the nozzle housing part has substantially the shape of a straight circular cylinder jacket with a peripheral edge which is angled outwardly to form a mounting flange.
  • the mounting flange serves to connect the socket housing part cohesively with the vacuum pump housing cover.
  • a plurality of recesses or projections are preferably formed, which serve to connect the mounting flange by projection welding material fit with the vacuum pump housing cover.
  • a further preferred embodiment of the vacuum pump housing cover is characterized in that the nozzle housing part has a further peripheral edge, which is angled inwardly to the connecting piece in the neck housing part to halves.
  • the inwardly angled peripheral edge preferably forms a collar which surrounds a central through hole.
  • a further preferred embodiment of the vacuum pump housing cover is characterized in that the connecting piece comprises a base body which is arranged in the nozzle housing and from which a nozzle body extends through the opening of the nozzle housing part to the outside.
  • the main body is preferably biased against the inwardly angled peripheral edge of the nozzle housing part.
  • a further preferred embodiment of the vacuum pump housing cover is characterized in that in the nozzle housing part a check valve device is received.
  • the check valve means serves to allow fluid communication between the spigot and the through hole in the vacuum pump housing cover from outside to inside, and to prevent from the inside out.
  • the check valve device prevents air exiting from a vacuum pump housing cover equipped with a vacuum pump through the connection piece.
  • the non-return valve device is arranged, in particular clamped, between one or the connecting piece, in particular one or the base body of the connecting piece, and the vacuum pump housing cover.
  • the check valve device preferably forms, with the connection piece and the socket housing part, a mounting unit or unit which is fastened to the vacuum pump housing cover by the welded connection between the socket housing part and the vacuum pump housing cover.
  • a further preferred embodiment of the vacuum pump housing cover is characterized in that the non-return valve device comprises a closing body, which is movable against a stop body.
  • the stopper body is preferably clamped between the check valve device and the vacuum pump housing cover.
  • a further preferred embodiment of the vacuum pump housing cover is characterized in that between the check valve device and the connecting piece, in particular the main body of the connecting piece, an O-ring is arranged, which serves the interface between the connecting piece, in particular the - A -
  • the O-ring is preferably used in addition to sealing also to bias the main body of the connecting piece against the inwardly angled peripheral edge of the nozzle housing part and the check valve device or the stopper body against the Vakuumpumpenge- korusedeckel.
  • a further preferred embodiment of the vacuum pump housing cover is characterized in that between the stop body or the check valve device and the vacuum pump housing cover an O-ring is arranged, which serves to seal the interface between the stop body or the check valve device and the vacuum pump housing cover and / or a biasing force on the Apply stopper or the check valve device.
  • the O-ring is preferably used in addition to sealing also to bias the stop body or the check valve device against the main body of the connecting piece and / or against the inwardly angled peripheral edge of the support zengephinuseteils.
  • a further preferred embodiment of the vacuum pump housing cover is characterized in that at least one O-ring is provided for sealing the interface between the nozzle housing part and the vacuum pump housing cover and / or for bracing arranged in the nozzle housing part components.
  • an O-ring is sealingly disposed between the check valve means and the spigot housing part and the vacuum pump housing cover, respectively.
  • Another O-ring is preferably arranged sealingly between the check valve device and the connecting piece or the nozzle housing part.
  • a further preferred embodiment of the vacuum pump housing cover is characterized in that the two forming parts are designed as finished punched parts. Ready falling means in this context that the formed parts after punching out of a punching tool fall out. Further processing of the stamped parts is not required.
  • the vacuum pump housing cover and the nozzle housing part are formed by punching from a steel sheet material.
  • the stamped neck housing part is connected by welding, in particular by projection welding, firmly bonded to the vacuum pump housing cover.
  • the two formed parts are preferably welded together without further processing after punching. By projection welding, the two forming parts can be materially connected to each other without a desired flatness of the contact surface of the vacuum pump housing cover is affected. Before welding the two forming parts of the connecting piece and the check valve device are inserted into the nozzle housing part.
  • a preferred embodiment of the method is characterized in that prior to welding of the neck housing part with the vacuum pump housing cover one or the main body of the connecting piece, one or the check valve device, one or the closing body, a or the stopper body and / or one or the O-ring or the O-rings are inserted into the nozzle housing part or will.
  • a mounting unit or assembly is provided which is secured to the vacuum pump housing cover by welding the neck housing part to the vacuum pump housing cover.
  • the individual components are preferably dimensioned so that at least one of the two O-rings is compressed when welding the nozzle housing part to the Vakuumpumpengephaseusedeckel to clamp or clamp the remaining components between the vacuum pump housing cover and the inwardly angled peripheral edge of the nozzle housing part.
  • Figure 1 shows a vacuum pump housing cover according to the invention in plan view
  • FIG. 2 shows the view of a section along the line IUI in Figure 1.
  • a vacuum pump housing cover 1 is shown in various views.
  • the vacuum pump housing cover 1 is designed as a formed part, in particular as a stamped part, and has substantially the shape of a circular disc 3 with a constant thickness.
  • One side of the circular disc 3 forms a flat contact surface 4, which serves to grow the vacuum pump housing cover 1 to a (not shown) housing a vacuum pump.
  • the circular disc 3 outside a plurality of eyes 5, each with a through hole 6.
  • the through-holes 6 are used to perform fastening means, such as fastening screws, with which the vacuum pump housing lid 1 can be fastened to the housing of the vacuum pump.
  • the vacuum pump serves, for example, to generate a vacuum in a brake booster of a motor vehicle. Then the brake booster is referred to as the main consumer.
  • Other consumers which can also be connected to the vacuum pump, are referred to as secondary consumers.
  • the auxiliary consumers may be, for example, control flaps of an internal combustion engine.
  • the main consumer is preferably connected to the vacuum pump housing.
  • the auxiliary consumer is preferably connected to the vacuum pump housing cover 1, that via the further through hole 10, a vacuum is applied to the secondary consumer.
  • a socket housing part 14 which is likewise designed as a shaped part, in particular as a stamped part, is connected to the vacuum pump housing cover 1 on an outer side 15 of the vacuum pump housing cover 1 outside the through-hole 10 with a material fit.
  • the neck housing part 14 essentially has the shape of a straight circular cylinder jacket 16, the cylinder axis of which is arranged perpendicular to the vacuum pump housing cover 1.
  • the nozzle housing part 14 has, on the end face of the circular cylinder jacket 16 facing the vacuum pump housing cover 1, an outwardly angled peripheral edge 18, which forms a mounting flange with which the nozzle housing part 14 is fastened to the vacuum pump housing cover 1.
  • the nozzle housing part 14 has on the end face of the circular cylinder jacket 16 facing away from the vacuum pump housing cover 1 a radially inwardly angled peripheral edge 26 which delimits a central through hole 28.
  • a connecting piece 30 extends with a central through hole 31, which extends through a base body 32 and a nozzle body 33 of the connecting piece 30 therethrough.
  • the main body 32 of the connection piece 30 is encompassed on the outside by the angled peripheral edge 26 of the socket housing part 14.
  • a check valve device 36 is disposed in the nozzle housing part 14.
  • the non-return valve device 36 comprises a closing body 38 and a stop body 40, which has passage channels (not shown) which allow fluid communication between the through-hole 31 of the connecting piece 30 and the through-hole 10 of the vacuum pump housing cover 1, depending on the position of the closing body 38.
  • the closing body 38 prevents air from escaping from the interior of a vacuum pump mounted on the contact surface 4 through the through-hole 31 of the connecting piece 30.
  • the preferably umbrella-like closing body 38 allows air to be drawn through the through-hole 31 into the interior of the vacuum pump in order to apply a vacuum to the secondary consumer.
  • an O-ring 41 is arranged for sealing purposes.
  • Another O-ring 42 is arranged for sealing purposes on an interface between the check valve device 36, the base body 32 of the connecting piece 30 and the circular cylinder jacket 16 of the nozzle housing part 14.
  • the O-rings 41, 42 prevent undesired entry or exit of air into or out of the socket housing part 14.
  • the two O-rings 41, 42 used to brace the stopper body 40, the check valve 36 and the body 32 of the connecting piece 30 between the vacuum pump housing cover 1 and the inwardly angled peripheral edge 26 of the nozzle housing part 14.
  • the main body 32 of the connection socket 30 so inserted into the socket housing part 14, that the nozzle body 33 protrudes through the central through hole 28 from the nozzle housing part 14.
  • the O-ring 42 is inserted.
  • the check valve device 36 is inserted with the closing body 38.
  • the stopper body 40 is inserted with the O-ring 41.
  • the pre-assembled mounting unit or unit is then attached to the vacuum pump housing cover 1 by welding, in particular projection welding.
  • welding in particular projection welding.
  • arranged in the nozzle housing part 14 components by compressing the O-rings 41, 42 against each other and between the vacuum pump housing cover 1 and the inwardly angled peripheral edge 26 of the nozzle housing part 14 braced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
  • Non-Positive Displacement Air Blowers (AREA)

Abstract

L'invention porte sur un couvercle de carter de pompe à vide comprenant une surface de contact plane pour le montage du couvercle de carter. Pour présenter une construction simple et un coût de fabrication réduit, ce couvercle de carter de pompe à vide est formé d'une pièce façonnée en acier pourvue d'un orifice traversant et qui, sur le côté opposé à la surface de contact plane, est entouré par un élément boîtier de raccord également constitué d'une pièce façonnée en acier, et assemblé par liaison de matière audit couvercle du carter de pompe à vide.
PCT/DE2010/000046 2009-02-02 2010-01-19 Couvercle de carter de pompe à vide WO2010085935A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112010000237T DE112010000237A5 (de) 2009-02-02 2010-01-19 Vakuumpumpengehäusedeckel
EP10707200.1A EP2391828B1 (fr) 2009-02-02 2010-01-19 Couvercle de carter de pompe à vide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009007081 2009-02-02
DE102009007081.8 2009-02-02

Publications (3)

Publication Number Publication Date
WO2010085935A2 true WO2010085935A2 (fr) 2010-08-05
WO2010085935A9 WO2010085935A9 (fr) 2011-08-11
WO2010085935A3 WO2010085935A3 (fr) 2012-01-26

Family

ID=42396096

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2010/000046 WO2010085935A2 (fr) 2009-02-02 2010-01-19 Couvercle de carter de pompe à vide

Country Status (3)

Country Link
EP (1) EP2391828B1 (fr)
DE (1) DE112010000237A5 (fr)
WO (1) WO2010085935A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014032816A1 (fr) * 2012-09-03 2014-03-06 Klaus Union Gmbh & Co. Kg Chemise d'entrefer à double enveloppe
DE102014224197A1 (de) 2014-11-26 2016-06-02 Magna Powertrain Bad Homburg GmbH Vakuumpumpengehäuseanordnung und Verfahren zu deren Herstellung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004065795A1 (fr) 2003-01-17 2004-08-05 Luk Automobiltechnik Gmbh & Co. Kg Pompe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003210138A1 (en) * 2002-02-18 2003-09-09 Luk Automobiltechnik Gmbh And Co. Kg Vacuum pump comprising a single-part connecting branch and housing element

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004065795A1 (fr) 2003-01-17 2004-08-05 Luk Automobiltechnik Gmbh & Co. Kg Pompe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014032816A1 (fr) * 2012-09-03 2014-03-06 Klaus Union Gmbh & Co. Kg Chemise d'entrefer à double enveloppe
DE102014224197A1 (de) 2014-11-26 2016-06-02 Magna Powertrain Bad Homburg GmbH Vakuumpumpengehäuseanordnung und Verfahren zu deren Herstellung

Also Published As

Publication number Publication date
WO2010085935A3 (fr) 2012-01-26
DE112010000237A5 (de) 2012-07-05
EP2391828B1 (fr) 2013-10-02
WO2010085935A9 (fr) 2011-08-11
EP2391828A2 (fr) 2011-12-07

Similar Documents

Publication Publication Date Title
DE102009049602B3 (de) "Karosseriebauverfahren"
EP1701015A2 (fr) Régulateur de la pression de suralimentation pour turbocompresseur de gaz d'echappement d'un moteur à combustion interne
DE4236481A1 (de) Rückschlagventil
WO2021018341A1 (fr) Clapet et dispositif pour réguler des pressions d'un milieu d'écoulement avec le clapet et dispositif pour fixer le clapet dans un composant de transmission
DE102010006715B4 (de) Gehäusetopf zur Aufnahme eines Filterelementes in einer Filtereinrichtung
WO2010085935A2 (fr) Couvercle de carter de pompe à vide
EP3054182B1 (fr) Procédé de fabrication d'une liaison bout à bout entre un boîtier articulé et un composant de liaison et élément de construction fabriqué selon ledit procédé
DE102005021428A1 (de) Verfahren zur Herstellung eines geschmiedeten Kolbens
EP2915973B1 (fr) Agencement trémie-tube
EP1136337B1 (fr) Cylindre combiné de frein de service et à ressort
DE102006017257A1 (de) Blindkupplung mit Rückschlagventil
EP0815371B1 (fr) Dispositif d'etancheite destine a un assemblage plat a bride
EP1317328A1 (fr) Poin on de matage et matage
DE10148960A1 (de) Druckbegrenzungsventil
EP2088350B1 (fr) Procédé de liaison prévue dans le cadre de la fabrication d'une masselotte d'équilibrage d'un corps d'équilibrage et d'un élément de fixation, ainsi que masselotte d'équilibrage correspondante
DE102019120227A1 (de) Ventil und Vorrichtung zur Regelung von Drücken eines Strömungsmittels mit dem Ventil sowie Vorrichtung zur Sicherung des Ventils in dem Getriebebauteil
EP3344431B1 (fr) Unité à fluide sous pression comportant un boîtier en plastique fabriqué par moulage par injection et procédé pour sa fabrication
EP2130642A2 (fr) Procédé de montage d'un clapet dans un boîtier
EP3626950B1 (fr) Soupape ainsi que procédé de fabrication d'une soupape
DE10348672B4 (de) Verfahren zur Herstellung eines einen Flanschabschnitt aufweisenden Elementes, insbesondere eines Bremszylinders, sowie Element, insbesondere Bremszylinderelement
EP3628852B1 (fr) Soupape et procédé de fabrication d'une soupape
DE102022134801A1 (de) Restdruckhalteventil für eine Gasdruckfeder
DE102022207366A1 (de) Hydraulikaggregat einer Fremdkraftbremsanlage mit einem Zylinderdeckel
DE102008003211B4 (de) Druckventil mit integriertem Deckel, insbesondere geeignete Befestigung und Verfahren zur Befestigung des Deckels
DE102018131094A1 (de) Ventil

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10707200

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 2010707200

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 1120100002371

Country of ref document: DE

Ref document number: 112010000237

Country of ref document: DE

REG Reference to national code

Ref country code: DE

Ref legal event code: R225

Ref document number: 112010000237

Country of ref document: DE

Effective date: 20120705