EP1110000A2 - Machine a engrenage interne destinee au fonctionnement reversible dans un circuit hydraulique ferme - Google Patents

Machine a engrenage interne destinee au fonctionnement reversible dans un circuit hydraulique ferme

Info

Publication number
EP1110000A2
EP1110000A2 EP00943999A EP00943999A EP1110000A2 EP 1110000 A2 EP1110000 A2 EP 1110000A2 EP 00943999 A EP00943999 A EP 00943999A EP 00943999 A EP00943999 A EP 00943999A EP 1110000 A2 EP1110000 A2 EP 1110000A2
Authority
EP
European Patent Office
Prior art keywords
pinion
internal gear
housing
plane
ring gear
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
Application number
EP00943999A
Other languages
German (de)
English (en)
Other versions
EP1110000B1 (fr
Inventor
Franz Arbogast
Günther Nagel
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.)
Voith Turbo GmbH and Co KG
Original Assignee
Voith Turbo GmbH and Co KG
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 Voith Turbo GmbH and Co KG filed Critical Voith Turbo GmbH and Co KG
Publication of EP1110000A2 publication Critical patent/EP1110000A2/fr
Application granted granted Critical
Publication of EP1110000B1 publication Critical patent/EP1110000B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/04—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for reversible machines or pumps
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/101—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with a crescent-shaped filler element, located between the inner and outer intermeshing members

Definitions

  • the invention relates to an internal gear machine, in particular an internal gear pump.
  • Such machines are known from numerous publications, for example DE 41 04 397 A1.
  • WO 95/12070 describes an internal gear machine that has a longitudinally divided filler.
  • the invention is based on the object of specifying an internal gear machine which can be operated in both directions of rotation and which can be installed in a closed system, specifically when the position of the pressure range in the pump changes.
  • FIG. 1 shows an internal gear pump in an axially perpendicular sectional view.
  • Figure 2 shows a circuit with an inventive
  • the internal gear pump shown in Figure 1 comprises as essential components a pinion 1 with an external toothing, a ring gear 2 with a
  • Pinion 1 is mounted eccentrically with respect to ring gear 2. See the center point M1 of the pinion and M2 of the ring gear. Through the two
  • a dash-dotted straight line is drawn through the center points M1 and M2. This denotes a plane of symmetry, the meaning of which will be discussed further below.
  • the crescent-shaped space between the pinion 1 and the ring gear 2 is filled with a filling.
  • the filling comprises the two filling pieces 3, 4.
  • the stop 5 is mounted in the housing 6 with a certain amount of play. As you can see, the stop has two support surfaces 5.1, 5.2. The end faces of the two fillers 3, 4 are supported against the support surfaces 5.1, 5.2.
  • the two filling pieces 3, 4 are also divided lengthways in a manner known per se. They are thus made up of an inner part 3.1, 3.2 or 4.1, 4.2. However, the filler pieces 3, 4 could just as well consist of a single part.
  • the housing has two pressure connections 6.1, 6.2.
  • the two pressure connections are on both sides of the plane of symmetry 7.
  • the housing also has a leakage outlet 6.3. In the present case, this lies exactly in the plane of symmetry 7.
  • the following feature is also important: the arrangement is such that the two filling pieces 3, 4 lie symmetrically to the plane of symmetry 7.
  • the stop pin 5 is also arranged such that the plane of symmetry 7 runs through it and divides it into two parts which are symmetrical to one another. As can be seen, the Symmetrieebe ⁇ e 7 runs through the tip of the stop pin 5, which is formed from the two support surfaces 5.1, 5.2.
  • the housing 6 has cutouts 6.1.1, 6.2.1, 6.3.1. These are connected to the respective pressure connections 6.1, 6.2 or the leakage outlet 6.3.
  • a pump 10 according to the invention can be seen in the circuit diagram shown in FIG. 2.
  • the pump 10 is part of a closed circuit.
  • a hydraulic unit 11 can also be seen, comprising a double-acting piston 11.1 and a cylinder 11.2.
  • the piston 11.1 is displaceable in the cylinder 11.2 in both directions, depending on which of the two lines 12, 13 is used to apply pressure medium to the cylinder by means of the pump 10.
  • pressure medium is conveyed either into line 12 or into line 13.
  • Another pump 14 a pressure regulator 15, a line 16, a line 17 and a reservoir 18 can be seen.
  • Leakage necessarily occurs in the internal gear pump shown in FIG. 1.
  • the amount of leakage exits through the leakage outlet 6.3 in FIG. 1. This amount has to be replaced constantly.
  • the pump 14 is used for this purpose. This takes pressure medium - generally an oil - from the storage container 18. It pumps it through the line 16.
  • Pressure regulator 15 ensures that the medium pressure a certain does not exceed the upper value. If the medium pressure exceeds such a value, the pressure regulator 15 opens, so that a certain amount of pressure medium flows back via the line 17 back into the reservoir 18.
  • the oil regulated to the upper value continues to flow in line 16 and passes through one of the two check valves 19, 20 - depending on the direction of rotation - into one of the two lines 12, 13 and thus onto one of the two sides of the piston 11.1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • General Details Of Gearings (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP00943999A 1999-07-06 2000-07-05 Machine a engrenage interne destinee au fonctionnement reversible dans un circuit hydraulique ferme Expired - Lifetime EP1110000B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19930910 1999-07-06
DE19930910A DE19930910C1 (de) 1999-07-06 1999-07-06 Innenzahnradpumpe für Reversierbetrieb im geschlossenen hydraulischen Kreislauf
PCT/EP2000/006342 WO2001002730A1 (fr) 1999-07-06 2000-07-05 Machine a engrenage interne destinee au fonctionnement reversible dans un circuit hydraulique ferme

Publications (2)

Publication Number Publication Date
EP1110000A2 true EP1110000A2 (fr) 2001-06-27
EP1110000B1 EP1110000B1 (fr) 2005-10-12

Family

ID=7913673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00943999A Expired - Lifetime EP1110000B1 (fr) 1999-07-06 2000-07-05 Machine a engrenage interne destinee au fonctionnement reversible dans un circuit hydraulique ferme

Country Status (7)

Country Link
US (1) US6419471B1 (fr)
EP (1) EP1110000B1 (fr)
JP (1) JP2003503642A (fr)
KR (1) KR100526767B1 (fr)
AT (1) ATE306618T1 (fr)
DE (2) DE19930910C1 (fr)
WO (1) WO2001002730A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10058883A1 (de) * 1999-12-08 2001-07-12 Luk Lamellen & Kupplungsbau Zahnradmaschine
US6672850B2 (en) * 2001-12-21 2004-01-06 Visteon Global Technologies, Inc. Torque control oil pump with low parasitic loss and rapid pressure transient response
KR101537237B1 (ko) 2006-11-30 2015-07-16 더 유니버시티 오브 아크론 폴리이소부틸렌 및 그 제조방법
JP6115156B2 (ja) * 2013-01-31 2017-04-19 株式会社豊田自動織機 内接ギアポンプ
DE102017106140A1 (de) 2017-03-22 2018-09-27 Voith Patent Gmbh Innenzahnradmaschine
DE102020110217A1 (de) 2020-04-14 2021-10-14 Hydraulik Nord Technologies GmbH Innenzahnradmaschine

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE353838C (de) * 1922-09-06 Zahnradfabrik G M B H Einrichtung an Zahnradpumpen mit Innenverzahnung zur Ermoeglichung gleicher Zu- und Abflussrichtung trotz Umkehr der Drehrichtung
GB273002A (en) * 1926-03-25 1927-06-27 Max Ams Chemical Engineering C Improvements in rotary pumps
GB967944A (en) * 1962-04-06 1964-08-26 Daimler Benz Ag Improvements relating to gear pumps
DE1528947A1 (de) * 1963-07-04 1969-09-11 Bosch Gmbh Robert Innenzahnradmaschine
GB1243239A (en) * 1967-09-01 1971-08-18 Otto Eckerle Improvements in and relating to hydraulic gear pumps
DE1936837A1 (de) * 1969-07-19 1971-01-28 Zahnradfabrik Friedrichshafen Zahnradpumpe
JPS5514964A (en) * 1978-07-20 1980-02-01 Tokyo Shiyouketsu Kinzoku Kk Internal gear pump
US4392796A (en) * 1978-10-18 1983-07-12 Sid Harvey, Inc. Valve controlled reversible pump with anticavitation means
DE2942417A1 (de) * 1979-10-19 1981-05-14 Otto Eckerle GmbH & Co KG, 7502 Malsch Innenzahnradmaschine
JPS5752694A (en) * 1980-09-17 1982-03-29 Ishikawajima Harima Heavy Ind Co Ltd Internal gear type liquid pressure rotating machine
GB8817284D0 (en) * 1988-07-20 1988-08-24 Jaguar Cars Hydraulic devices
DE4104397C2 (de) * 1990-03-09 1993-12-16 Voith Gmbh J M Innenzahnradpumpe
JPH05180173A (ja) * 1991-12-28 1993-07-20 Toyooki Kogyo Co Ltd 内接歯車ポンプ
DE4336966A1 (de) * 1993-10-29 1995-05-04 Otto Eckerle Innenzahnradmaschine
DE4338875C2 (de) 1993-11-13 2003-11-06 Eckerle Ind Elektronik Gmbh Reversierbare Innenzahnradmaschine (Pumpe oder Motor)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0102730A1 *

Also Published As

Publication number Publication date
US6419471B1 (en) 2002-07-16
WO2001002730A8 (fr) 2001-03-29
KR100526767B1 (ko) 2005-11-08
JP2003503642A (ja) 2003-01-28
WO2001002730A1 (fr) 2001-01-11
ATE306618T1 (de) 2005-10-15
EP1110000B1 (fr) 2005-10-12
DE50011327D1 (de) 2006-02-23
KR20010079747A (ko) 2001-08-22
DE19930910C1 (de) 2001-01-18

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