EP0360756B1 - Taumelantrieb für ein translatorisch bewegtes Bauteil - Google Patents

Taumelantrieb für ein translatorisch bewegtes Bauteil Download PDF

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Publication number
EP0360756B1
EP0360756B1 EP89810697A EP89810697A EP0360756B1 EP 0360756 B1 EP0360756 B1 EP 0360756B1 EP 89810697 A EP89810697 A EP 89810697A EP 89810697 A EP89810697 A EP 89810697A EP 0360756 B1 EP0360756 B1 EP 0360756B1
Authority
EP
European Patent Office
Prior art keywords
ball
wobbling
ball section
drive
crank
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
EP89810697A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0360756A2 (de
EP0360756A3 (en
Inventor
Kurt GÜTTINGER
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.)
Cessione vdo Adolf Schindling AG
Original Assignee
Gutag Innovations 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 Gutag Innovations AG filed Critical Gutag Innovations AG
Publication of EP0360756A2 publication Critical patent/EP0360756A2/de
Publication of EP0360756A3 publication Critical patent/EP0360756A3/de
Application granted granted Critical
Publication of EP0360756B1 publication Critical patent/EP0360756B1/de
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
    • F01C1/04—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 of internal-axis type
    • F01C1/045—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 of internal-axis type having a C-shaped piston
    • 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
    • F01C21/008—Driving elements, brakes, couplings, transmissions specially adapted for rotary or oscillating-piston machines or engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18296—Cam and slide
    • Y10T74/18336—Wabbler type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18544—Rotary to gyratory

Definitions

  • Such wobble drives are particularly suitable for devices such as rotary piston displacement machines.
  • Swash drives of the type mentioned are known, for example from DE-C-2 603 462 and US-A-3 560 119.
  • These devices are so-called displacement machines for compressible media. They consist, on the one hand, of a conveying space which is delimited by spiral-like circumferential walls which extend perpendicularly from a side wall and which leads from an inlet lying outside the spiral to an outlet lying inside the spiral. On the other hand, they have a likewise spiral-shaped displacement body protruding into this conveying space. This is mounted in relation to the conveying space in order to execute a circular, rotation-free movement. Its center is offset eccentrically from the center of the peripheral walls so that the displacer always touches both the outer and the inner peripheral wall of the delivery chamber on at least one progressive sealing line.
  • the wobble drive is in each case the means for converting the rotating movement of the drive machine into the translatory movement of the displacer. Its radial displacement is limited by the contact of the spiral ribs with the walls of the delivery chambers. The limit theoretically corresponds to a circle, in this case the translation circle.
  • the drive solution in DE-C-2 603 462 provides an eccentric body which is seated in a rotationally fixed manner with a counterweight and on which a drive disk is mounted by means of a ball bearing.
  • This is equipped with four evenly distributed ball joint pans, in each of which the ball end of a wobble rod sits. The balls only have line contact in their associated pan.
  • the wobble rods When the drive shaft rotates, the rotor body is excited by the wobble rods to perform a circular but not rotating movement.
  • the wobble rods also have to ensure the anti-rotation device in this solution.
  • the drive-side pin of the wobble rod is rotatably and pivotably mounted in an eccentric position by means of a self-aligning ball bearing.
  • the second and third spherical sections are each provided with profile rings, e.g. Provide teeth, which in correspondingly profiled counterparts in the displacer or. intervene in the fixed housing part and are pivotally mounted therein.
  • the wobble shaft is axially secured via a lock washer located in the fixed housing part.
  • the invention is therefore based on the object of designing a wobble drive of the type mentioned in such a way that play-free cooperation of the two components is made possible even with increasing material removal as a result of wear.
  • the object is achieved in that the bearing bushes for the second and third spherical sections are hemispherical joint sockets which are arranged in mirror image in the two components, spring means ensuring that the spherical sections abut in the joint sockets.
  • the advantage of the invention can be seen in the fact that the new configuration creates a self-adjusting and almost maintenance-free drive for the orbiting component during operation.
  • the fixed component is designated with left housing half 1 and the rotating component with displacer 3.
  • the pump according to FIGS. 1 and 2 essentially consists of two housing halves 1, 2, which are connected to one another in a suitable manner, and the displacer 3 located therein.
  • An annular delivery chamber 4 is incorporated into the left housing half 1. It is divided by means of a web 5 which extends over the entire depth of the chamber. Both sides of the web are in the rear wall of the housing half 1, the inlet 6 and the outlet 7 for the working medium to be conveyed.
  • the likewise annular rib 8 of the displacer 3 engages in this delivery chamber.
  • the ring is slotted at the point opposite the web 5.
  • the displacer performs an orbital movement during operation.
  • the ring piston constantly touches both the inner and the outer peripheral wall of the delivery chamber. Due to its change in position, on the one hand, working fluid is sucked into the chamber 4 via the inlet 6 and, on the other hand, it is conveyed out of the machine via the outlet 7.
  • a cross-disk coupling is provided for the rotation-free guidance of the displacer 3. It consists essentially of an intermediate ring 9, which is provided with strips 10 on its two plan sides. The strips 10 facing the displacer 3 engage in appropriately configured, vertically running grooves 11 in the displacer 3. Those strips which face the fixed right housing half 2 must be arranged perpendicular to the former strips, in the present case thus horizontally and therefore not visible in the longitudinal section according to FIG. 1. They also slide in appropriately configured grooves that are machined horizontally in the front of the housing half 2
  • a drive by means of a wobble rod 12 is provided for the orbital rotation of the displacer 3.
  • a crank mechanism 13, not shown, is equipped on the crank side with an articulated socket 14, in which the wobble rod 12 is rotatably and pivotably seated with a first ball section 15. It is understood that the invention is not limited to this drive variant.
  • the only decisive factor is a construction in which the wobble rod does not perform a rotary movement but a wobble movement, the axis of movement being located on a cone jacket.
  • the wobble rod 12 has a second ball section 16. Coaxial with the main axis of the crank mechanism 13, this second spherical section is rotatably supported in the left fixed housing part 1 and is capable of tumbling.
  • the wobble rod 12 is provided with a third ball section, the ball radius of which advantageously corresponds to that of the second ball section.
  • This third spherical section is rotatably supported in the hub of the displacer 3 and is capable of tumbling.
  • bearing points are therefore designed as hemispherical joint sockets 18, 19. Hemispherical because, on the one hand, this reduces the required individual parts to a minimum, and on the other hand, assembly is very easy.
  • FIG. 3 A first solution to this is shown in FIG. 3.
  • the second ball section 16 ' is provided with a central bore and loosely attached to the wobble rod 12', so that it is displaceable on the wobble rod.
  • the opposing surfaces of the ball sections 16 'and 17' are flattened and each form a stop for a compression spring 20 '. In the assembled state, this spring 20 'pushes the ball sections apart.
  • the socket 18' in the fixed component 1 with a recess 21 To accommodate the wobble rod 12 'on the occasion of a shift of the Ball section 16 'is the socket 18' in the fixed component 1 with a recess 21.
  • the solution shown in Figure 4 is based on a sliding block 22, which is axially displaceable in the left housing part 1.
  • the joint socket 18 is incorporated in the sliding block.
  • the ball section 16 lies in this. So that the spherical section has a spherical support defined at all times, the base of the pan is also provided with a recess 21 here, so that the head end of the spherical section in no case has ground contact.
  • the axial force is applied via the coil spring 20, which acts on the sliding block 22 from the housing part 1.
  • the angle of the movement axis located on a conical surface also changes. This also applies to the distance between the ball sections 16 and. 17 and 15.
  • Eccentricity e (Fig. 4) must always be maintained.
  • the plane of the second spherical section is decisive for the translation circle and is therefore the reference plane. Therefore, the first ball section 15 must also be designed to be displaceable. Namely, it must be displaceable on the one hand in the longitudinal direction of the wobble rod, as is indicated in FIG. 4; secondly, it must also be displaceable in the direction perpendicular to the plane of the drawing because of the possible change in angle mentioned.
  • This first spherical section 15 is therefore preferably also embedded in a bearing bush designed as a joint socket 14.
  • This joint socket 14, which is shown only schematically in the drawing, is in turn provided with a sliding surface 23 which can be displaced on all sides on a corresponding counter surface of the crank mechanism 13.
  • the sliding surface 23 and counter surface are in one plane parallel to the axis of the crank mechanism.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Transmission Devices (AREA)
EP89810697A 1988-09-20 1989-09-14 Taumelantrieb für ein translatorisch bewegtes Bauteil Expired - Lifetime EP0360756B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH349288 1988-09-20
CH3492/88 1988-09-20

Publications (3)

Publication Number Publication Date
EP0360756A2 EP0360756A2 (de) 1990-03-28
EP0360756A3 EP0360756A3 (en) 1990-07-18
EP0360756B1 true EP0360756B1 (de) 1992-04-15

Family

ID=4257167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89810697A Expired - Lifetime EP0360756B1 (de) 1988-09-20 1989-09-14 Taumelantrieb für ein translatorisch bewegtes Bauteil

Country Status (4)

Country Link
US (1) US5024114A (ja)
EP (1) EP0360756B1 (ja)
JP (1) JP2999205B2 (ja)
DE (1) DE58901166D1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5885400A (en) * 1996-12-20 1999-03-23 Xerox Corporation Method for joining rigid substrates at abutting lateral edges
DE60329394D1 (de) * 2002-08-01 2009-11-05 Bertin Technologies Sa Vorrichtung zur schnellen schwingung von probenröhrchen
FR2843047B1 (fr) * 2002-08-01 2004-10-15 Bertin Technologies Sa Appareil pour la vibration rapide de tubes contenant des echantillons
WO2004105925A1 (fr) * 2003-05-26 2004-12-09 Bertin Technologies S.A. Appareil pour la vibration rapide de tubes contenant des echantillons
JP3874013B2 (ja) * 2004-05-24 2007-01-31 ダイキン工業株式会社 回転式圧縮機
KR100590496B1 (ko) * 2004-12-14 2006-06-19 엘지전자 주식회사 선회베인 압축기의 용량 가변장치
US8919215B2 (en) * 2011-03-07 2014-12-30 Roger C. Keith Orbital motion attachment with counterweight for angle die grinder
US10612635B2 (en) 2017-07-05 2020-04-07 Borealis Technical Limited Wobble gear system

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125032A (en) * 1964-03-17 Rotary pump
US457927A (en) * 1891-08-18 Steam-engine
DE177654C (ja) *
US1471820A (en) * 1920-06-09 1923-10-23 Motor Starter & Air Pump Compa Compressor
US2324168A (en) * 1940-01-26 1943-07-13 Montelius Carl Oscar Josef Rotary compressor or motor
US2825241A (en) * 1952-12-31 1958-03-04 Oilgear Co Piston and piston rod assemblies
US2841089A (en) * 1953-05-29 1958-07-01 Rand Dev Corp Scroll pump
US3000263A (en) * 1957-06-12 1961-09-19 Milton Thomas Willard Remote control mechanism for automotive accessories
FR1482910A (fr) * 1966-03-23 1967-06-02 Pompe volumétrique
GB1255799A (en) * 1967-12-18 1971-12-01 Krauss Maffei Ag Rotary positive fluid displacement apparatus
US3817664A (en) * 1972-12-11 1974-06-18 J Bennett Rotary fluid pump or motor with intermeshed spiral walls
CH586348A5 (ja) * 1975-02-07 1977-03-31 Aginfor Ag
US4121438A (en) * 1976-09-13 1978-10-24 Arthur D. Little, Inc. Coupling member for orbiting machinery
DE2966200D1 (en) * 1978-10-30 1983-10-27 Sanden Corp Scroll-type fluid compressor units
CA1222986A (en) * 1980-09-30 1987-06-16 Kiyoshi Terauchi Scroll type fluid compressor unit
US4606711A (en) * 1983-01-10 1986-08-19 Nippon Soken, Inc. Fluid pump with eccentrically driven C-shaped pumping member
US4789315A (en) * 1985-02-27 1988-12-06 Gutag Innovations Ag Positive displacement machine, more particularly pump, and method for fabricating such pump

Also Published As

Publication number Publication date
EP0360756A2 (de) 1990-03-28
EP0360756A3 (en) 1990-07-18
DE58901166D1 (de) 1992-05-21
US5024114A (en) 1991-06-18
JP2999205B2 (ja) 2000-01-17
JPH02199346A (ja) 1990-08-07

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