EP0899424B1 - Machine de déplacement de fluide du type à spirale - Google Patents

Machine de déplacement de fluide du type à spirale Download PDF

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Publication number
EP0899424B1
EP0899424B1 EP98115306A EP98115306A EP0899424B1 EP 0899424 B1 EP0899424 B1 EP 0899424B1 EP 98115306 A EP98115306 A EP 98115306A EP 98115306 A EP98115306 A EP 98115306A EP 0899424 B1 EP0899424 B1 EP 0899424B1
Authority
EP
European Patent Office
Prior art keywords
housing
side wall
displacement machine
machine according
disposed
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.)
Expired - Lifetime
Application number
EP98115306A
Other languages
German (de)
English (en)
Other versions
EP0899424A1 (fr
Inventor
Roland Kolb
Fritz Spinnler
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.)
CRT COMMON RAIL TECHNOLOGIES AG
Original Assignee
CRT Common Rail Technologies AG
CRT Common Rail Tech AG
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 CRT Common Rail Technologies AG, CRT Common Rail Tech AG filed Critical CRT Common Rail Technologies AG
Publication of EP0899424A1 publication Critical patent/EP0899424A1/fr
Application granted granted Critical
Publication of EP0899424B1 publication Critical patent/EP0899424B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/02—Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F01C1/0207—Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F01C1/0215—Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
    • F01C1/0223—Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving with symmetrical double wraps
    • 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

Definitions

  • the present invention relates to a displacement machine for compressible media, according to the preamble of the claim 1.
  • a displacer of this type is in the CH patent No. 673,680. It shows an approximation cylindrical housing with front side walls and a peripheral jacket wall. On the wall are diametrically opposite, in radial Direction towards outward connection flanges molded with one inlet opening each. In the case are from the inlet openings to a radially inner outlet arranged spiral conveying rooms.
  • Production rooms work together with a displacer who is in operation together with the walls of the production rooms several about crescent-shaped workspaces bounded by the inlets move through the delivery rooms to the outlet, due to different curvature of the spiral shape the volume of the work rooms is constantly reduced and the pressure of the working medium is increased accordingly becomes.
  • Displacement machines of this type stand out through low-pulsation promotion of, for example Air or an air-fuel mixture consisting of gaseous Working medium and can therefore also be used for charging purposes used by internal combustion engines with advantage become.
  • the two inlet openings For example, summarized by means of a pipe system to them with an upstream device, for example, to connect an air filter. This requires an undesirable space requirement, especially in radial direction.
  • a positive displacement machine with a single one on one end Side wall of the housing arranged inlet opening is disclosed in DE-A-42 03 346. From this inlet opening lead a first pumping chamber inside the housing and with respect to this radially outside a channel that is closed leads a second funding room, which is related to the first Delivery space is arranged offset by 180 °. This too Form of training requires seen in the radial direction large external dimensions of the housing.
  • the hood according to the invention connects to a simple and space-saving way the inlet openings together. It's just a single line to one upstream device necessary.
  • the hood according to the invention has further advantages yourself. So it has a stiffening effect on the housing, which in particular is beneficial if this consists of two or more Sharing is composed. It can continue, as in dependent Claims specified to include storage which is the reaction forces of a drive for the displacement machine be supported.
  • the displacement machines shown in the drawing have a rotor that acts as a displacer 1. He points on both sides of a disc 2 by at least two spirally arranged approximately 180 ° apart running displacers on by Molded bars 3, 3 'held perpendicular to the disk 2 are. The spirals themselves are in the example shown formed from several adjoining arcs. As a result of the large ratio shown in FIG. 2 is between the axial length and the wall thickness inlet-side end area 3 "of the strips 3, 3 'in each case reinforced. 4 with a hub is designated with which the disc 2 is mounted on a bearing 22. The bearing 22 itself sits on an eccentric disk 23, which in turn is part of a drive shaft 24; the axis of rotation the drive shaft 24 is designated 59.
  • 3 ' Eye of the disc 2 designated for receiving a guide bearing 25, which is mounted on an eccentric bolt 26 is. For its part, it is part of a guide shaft 27.
  • the eccentricity e of the eccentric disk 23 on the drive shaft 24 corresponds to that of the eccentric bolt 26 the guide shaft 27.
  • 3 '2 openings 6 are excluded in the disc, a working medium from one side of the disc can get to the other, for example, through one central outlet 13 of one on the right in FIGS. 2 and 3 Housing half 7 'to be led away.
  • a pulley which is rotatably connected to the drive shaft 24 is connected.
  • FIG. 2 is a housing half shown on the left in Fig. 1 7 one of the two to each other in the axial direction adjacent housing halves 7 and 7 ', via fastening eyes 8 for receiving screw connections 8 'interconnected machine housing 7 "shown. 11 and 11 'respectively denote two at least approximately Conveyor spaces offset by 180 °, which according to Art a spiral slot in the two halves of the housing 7, 7 'are incorporated. They run from one each at the radially outer end of the spiral slots in the Housing 7 "arranged inlet 12, 12 'to the radially inside lying, two delivery rooms 11, 11 'common outlet 13, which is integrally formed on the housing part 7 '.
  • FIG. 2 shows that a web 17 ′ at the inlet 12 with the outer cylinder wall 14 'in a web 18' also continues with the inner cylinder wall 15.
  • inlet 12 ' the transition takes place here from a web 17 to a web 18.
  • the drive and the leadership of the displacer 1 get the on the housing parts 7, 7 ', drive shaft 24 and the spaced from it, on the housing part 7 parallel axis mounted guide shaft 27.
  • a form-fit belt drive 16 for example Timing belt
  • 9 symbolizes in Fig. 2 a toothed belt pulley, which on the Drive shaft 24 sits and 10 with respect to the number of teeth same toothed belt pulley for the guide shaft 27.
  • This Double eccentric drive for the displacer 1 ensures that all points of the two strips 3, 3 'are circular Execute shifting movement.
  • the displacer 1 leads thus a torsion-free circular movement.
  • the housing part 7 has an essentially flat end face Side wall 28, which is perpendicular to the axis of rotation 59 runs.
  • a graduated front Side wall of the housing part 7 ' is designated 28'.
  • the outlet-shaped outlet 13 formed on which a bearing arrangement for this side bearings of the drive shaft 24 is supported.
  • FIG. 1 and 3 show that the openings of the two inlets 12, 12 'offset by approximately 180 ° to one another on the side wall 28 of the housing part 7 are arranged.
  • This in Inlet openings extending in the axial direction open into a space 51, which by a hood 50 and the housing wall 28 is limited.
  • the axial direction on the Housing half 7 attached hood 50 is located on the front and close to the housing wall 28 and in turn has one nozzle-shaped connection projecting in the axial direction 52 on which one upstream of the displacement machine Device, for example one not shown here Air filter, can be connected.
  • This arrangement has several advantages: The displacement machine is through this type of connection of the two inlets 12, 12 'not widened in the radial direction.
  • hood 50 arises in that it a circular cylindrical, in the axial direction against has protruding projection 53 on the outside, which has a bearing 54 records.
  • This bearing carries the pulley 19, which rotatably by means of a radially elastic element 55 the drive shaft 24 is connected.
  • This enables the a drive belt, not shown here Radial force are supported on the extension 53; the Drive shaft 24 is only by the drive torque charged.
  • a Rolling bearing 58 include, via which the drive shaft 24th is mounted on the side wall 28.
  • the hood 50 with respect to the axis of rotation 59 of the drive shaft 24 clearly positioned in the radial direction, so that the axis of rotation of the pulley 19 with the axis of rotation 59 of the drive shaft 24 coincides.
  • the hood 50 is by means of the connecting elements 8 'in axial direction with the housing halves 7, 7 'firmly connected.
  • pooling inlets 12, 12 'by means of the hood 50 is created by guiding the Working medium past roller bearing 58. This is in the Machine operation heated by the shaft 24. Because now through the hood 50 part of the working medium - e.g. cold intake air - flowing past extensions 56, 56 ', these are cooled and since they have the outer ring 57 of the Rolling bearing 58 include, cool this.
  • hood 50 with the extension 53 is in the fact that this instead of the rotationally fixed with the Drive pulley 19 connected to shaft 24, e.g. a Electromagnetic clutch 60, which is well known, but here not described, can record; this is in 3 shown.
  • the corresponding pulley 19 ' is as described above, using a roller bearing 54 'of the electromagnetic clutch 60 on the extension 53 supported.
  • the housing 7 " also two axially abutting Housing parts 7, 7 '.
  • a displacer 1 arranged over the pulley 19 is driven.
  • a hood 50 is arranged on the end face together with the side wall 28 of the housing part 7 the space 51 limited.
  • This side wall 28 has the opening on the one hand the inlet 12 and on the other hand, this approximately diametrically opposite, a passage 61.
  • the Passage 61 is in the housing 7 "above that as a continuous Connection channel 62 formed inlet 12 'connected to the flow, its opening on the front side wall 28 'of the other housing part 7' in the manner of a connecting piece 52 'is integrally formed.
  • the connection is 12 thus connected through the space 51 to the inlet 12 '.
  • 13 denotes the all, not shown in Fig. 4, conveyor rooms common outlet.
  • the funding areas are the same formed as shown in FIGS. 1 to 3 and accordingly with the connecting channel 62 or the inlet 12 connected.
  • the peripheral shape of the hood 50 is preferably on adapted the shape of the housing 7 ", as shown in FIG. 2 can be seen. But it is also conceivable that the hood 50 has a different shape, preferably but does not project in the radial direction over the housing 7 ".
  • the openings of the inlets 12, 12 ' can be arranged on the casing side of the housing and the Hood has corresponding extensions to these openings to cover.
  • the extensions could be the shape of the housing section have, as shown in FIG. 2, the Limit inlets 12, 12 '.
  • the hood 50 can without the extensions 53 and / or 56, 56 ' be trained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Vending Machines For Individual Products (AREA)
  • Screw Conveyors (AREA)

Claims (9)

  1. Machine à refoulement pour fluides compressibles, comprenant un boítier (7") comprenant une paroi latérale (28) du côté frontal, des chambres de refoulement (11, 11') disposées dans le boítier (7"), qui mènent depuis au moins deux entrées radiales extérieures (12, 12') du boítier (7") à une sortie radiale intérieure (13) du boítier (7"), et un organe de refoulement (1) associé aux chambres de refoulement (11, 11'), qui comprend une plaque (2) et des barrettes (3,3') en forme de spirale, disposées perpendiculairement sur cette plaque et pénétrant dans les chambres de refoulement (11, 11'), les barrettes (3,3') entraínées de manière excentrique exécutant avec chacun de leurs points un mouvement circulaire délimité par les parois (14, 14', 15, 15') des chambres de refoulement (11, 11'), caractérisée par un capot (50) posé sur le boítier (7"), qui délimite conjointement avec la paroi latérale (28) une chambre (51) qui relie les entrées (12, 12') l'une à l'autre.
  2. Machine à refoulement selon la revendication 1, caractérisée en ce que les entrées (12, 12') sont disposées sur la paroi latérale (28), et en ce que le capot (50) comporte un raccord (52).
  3. Machine à refoulement selon la revendication 1, caractérisée en ce qu'une entrée (12'), et une traversée (61) reliée à l'autre entrée (12) sont disposées sur la paroi latérale (23), et en ce que la chambre (51) relie la traversée (61) avec l'entrée (12') disposée sur la paroi latérale (28).
  4. Machine à refoulement selon la revendication 3, caractérisée en ce que ladite autre entrée (12) est disposée sur une paroi latérale (28') du boítier (7") opposée à la paroi latérale (28).
  5. Machine à refoulement selon l'une des revendications 1 à 4, caractérisée en ce que l'organe de refoulement (1) est monté sur un arbre d'entraínement (24) et sur un arbre de guidage (27), lesquels sont montés sur le boítier (7"), et en ce que pour leur synchronisation les deux arbres (24, 27) sont reliés l'un à l'autre dans la chambre (51) délimitée par le capot (50) et par la paroi latérale (28).
  6. Machine à refoulement selon l'une des revendications 1 à 5, caractérisée en ce que le boítier (7") comprend deux parties de boítier (7, 7') appliquées l'une contre l'autre en direction axiale, et en ce que les parties de boítier (7, 7') et le capot (50) sont retenus ensemble au moyen d'un vissage (8').
  7. Machine à refoulement selon l'une des revendications 1 à 6, caractérisée en ce que le capot (50) comprend un prolongement intérieur (56) qui dépasse en direction de la paroi latérale (28) et qui entoure une bague extérieure (57) d'un palier (58) logé dans la paroi latérale (28) et agencé au centre, pour l'arbre d'entraínement (24).
  8. Machine à refoulement selon l'une des revendications 1 à 7, caractérisée en ce que le capot (50) comporte un prolongement extérieur (53), dépassant vers l'extérieur en direction axiale, au moins approximativement de forme cylindrique droite et traversé par l'arbre d'entraínement (24), pour la réception d'un palier (54) sur lequel est montée une poulie d'entraínement (19).
  9. Machine à refoulement selon la revendication 8, caractérisée en ce qu'un embrayage électro-magnétique (60) est agencé entre la poulie d'entraínement (19) et l'arbre d'entraínement (24).
EP98115306A 1997-08-26 1998-08-14 Machine de déplacement de fluide du type à spirale Expired - Lifetime EP0899424B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1984/97 1997-08-26
CH198497 1997-08-26
CH198497 1997-08-26

Publications (2)

Publication Number Publication Date
EP0899424A1 EP0899424A1 (fr) 1999-03-03
EP0899424B1 true EP0899424B1 (fr) 2001-11-28

Family

ID=4223195

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98115306A Expired - Lifetime EP0899424B1 (fr) 1997-08-26 1998-08-14 Machine de déplacement de fluide du type à spirale

Country Status (8)

Country Link
US (1) US6132193A (fr)
EP (1) EP0899424B1 (fr)
JP (1) JPH11132185A (fr)
CN (1) CN1210196A (fr)
AT (1) ATE209751T1 (fr)
CA (1) CA2245605A1 (fr)
DE (1) DE59802216D1 (fr)
ES (1) ES2164398T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6364643B1 (en) * 2000-11-10 2002-04-02 Scroll Technologies Scroll compressor with dual suction passages which merge into suction path
NL1028471C2 (nl) * 2005-03-07 2006-09-11 Hemodynamics Holding B V Pomp voor kwetsbaar fluïdum, gebruik van dergelijke pomp voor pompen van bloed.
EP2179138B1 (fr) * 2007-07-26 2015-09-09 Spinnler Engineering Machine de déplacement de matière fonctionnant selon le principe de la spirale
ATE533920T1 (de) * 2007-08-22 2011-12-15 Spinnler Engineering Verdrängermaschine nach dem spiralprinzip
DE102011103165A1 (de) * 2010-07-02 2012-01-05 Handtmann Systemtechnik Gmbh & Co. Kg Ladevorrichtung zur Verdichtung von Ladeluft für einen Verbrennungsmotor
CN103291616A (zh) * 2012-03-02 2013-09-11 日本株式会社富石 涡旋式流体机械
WO2017092795A1 (fr) * 2015-12-01 2017-06-08 Ateliers Busch S.A. Pompe a vide avec element filtrant

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61226585A (ja) * 1985-03-30 1986-10-08 Toshiba Corp スクロ−ル型圧縮装置
JPS62199984A (ja) * 1986-02-28 1987-09-03 Toshiba Corp スクロ−ル型圧縮装置
CH673874A5 (fr) * 1987-03-24 1990-04-12 Bbc Brown Boveri & Cie
CH673680A5 (fr) * 1987-12-21 1990-03-30 Bbc Brown Boveri & Cie
DE58906623D1 (de) * 1988-08-03 1994-02-17 Aginfor Ag Verdrängermaschine nach dem Spiralprinzip.
US4998864A (en) * 1989-10-10 1991-03-12 Copeland Corporation Scroll machine with reverse rotation protection
JP2568711B2 (ja) * 1989-12-29 1997-01-08 松下電器産業株式会社 気体圧縮機
JPH04262085A (ja) * 1991-01-21 1992-09-17 Mitsubishi Electric Corp スクロール型圧縮機
DE4203346A1 (de) 1991-02-18 1992-08-20 Volkswagen Ag Verdraengermaschine
EP0545191B1 (fr) * 1991-12-05 1995-09-13 AGINFOR AG für industrielle Forschung Machine de déplacement de fluide de type à spirale
DE59206416D1 (de) * 1991-12-05 1996-07-04 Aginfor Ag Verdrängermaschine nach dem Spiralprinzip
EP0547470B1 (fr) * 1991-12-16 1995-08-23 AGINFOR AG für industrielle Forschung Machine à déplacement positif selon le principle de la spirale
DE4205541A1 (de) * 1992-02-24 1993-08-26 Asea Brown Boveri Verdraengermaschine nach dem spiralprinzip

Also Published As

Publication number Publication date
EP0899424A1 (fr) 1999-03-03
DE59802216D1 (de) 2002-01-10
ES2164398T3 (es) 2002-02-16
US6132193A (en) 2000-10-17
CN1210196A (zh) 1999-03-10
ATE209751T1 (de) 2001-12-15
CA2245605A1 (fr) 1999-02-26
JPH11132185A (ja) 1999-05-18

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