EP1111234A2 - Kraftstoffpumpe - Google Patents
Kraftstoffpumpe Download PDFInfo
- Publication number
- EP1111234A2 EP1111234A2 EP00127312A EP00127312A EP1111234A2 EP 1111234 A2 EP1111234 A2 EP 1111234A2 EP 00127312 A EP00127312 A EP 00127312A EP 00127312 A EP00127312 A EP 00127312A EP 1111234 A2 EP1111234 A2 EP 1111234A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- coupling member
- pump according
- eccentric
- housing
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members
- F04B49/123—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element
- F04B49/125—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element by changing the eccentricity of the actuation means, e.g. cams or cranks, relative to the driving means, e.g. driving shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
- F04B1/0413—Cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/06—Control
- F04B1/07—Control by varying the relative eccentricity between two members, e.g. a cam and a drive shaft
-
- 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
-
- 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
- Y10T74/21—Elements
- Y10T74/211—Eccentric
- Y10T74/2111—Plural, movable relative to each other [including ball[s]]
- Y10T74/2112—Concentric
Definitions
- the invention relates to a pump, in particular for the promotion of Fuel in an internal combustion engine of a motor vehicle, according to the preamble of claim 1.
- Feed pumps which continuously supply fuel, in particular Convey diesel, from a tank into a storage facility. To him cylinders of the internal combustion engine are connected via solenoid valves. Most of the fuel comes from the store conveyed back to the tank via pressure relief valves, since only one Fraction of the continuously delivered fuel for the combustion process is needed in the cylinders. The constant repatriation of the fuel gives poor efficiency. Because of continuous funding and repatriation also arise strong heat development. That is why no plastic can be used as a material are used, but only the more expensive metal.
- Suction throttling is also known to promote the fuel.
- Check valves ensure that for the combustion process fuel is always available.
- the check valves or their springs have tolerances, so that different Amounts of fuel get into the cylinders. Due to the varying Filling levels occur high pulsations that lead to a cause loud noise. Also the mechanical load the engine cylinder and its pistons very high.
- To be proportionate Proportional solenoid valves are used to keep small amounts of fuel in circulation set to a middle position, so that also only part of the fuel is delivered. Due to tolerances
- the springs of the proportional solenoid valves are located in the piston chamber different amounts of fuel. Arise during the suction process gas bubbles in the piston chamber when the piston moves back quickly squeezed together.
- the invention has for its object the generic pump to be trained so that it has good efficiency and is reliable the amount of fuel required for the combustion process promotes.
- the drive element driven is by means of the eccentric drive the drive element driven.
- the drive element becomes translationally different adjusted in the plane transverse to the shaft.
- the stroke of a piston with the drive element can be set continuously from zero to a maximum value a corresponding amount of fuel in the combustion chamber Promote engine cylinders.
- the eccentric drive is coupled to the shaft , the eccentricity can be easily dependent can be set by the speed of the internal combustion engine.
- the Eccentric drive allows a compact design of the pump. she is especially suitable for common rail systems.
- the pump is preferably used for common rail systems, such as them in motor vehicles for conveying fuel, in particular Diesel, can be used. By changing the stroke of the pistons the amount of fuel injected is varied.
- the pump can of course also be used in other areas in the field of high pressure technology, water jet cutting technology, high-pressure hydroforming, clamping technology, of machine tools and the like.
- the pump has a housing 1 (Fig. 1) which is driven by a rotatable Wave 2 is penetrated. Near the bottom 3 of the housing 1 sits on the shaft 2 rotatably a rotor 4, the at least two diametrically mutually opposite, radially extending wings 5 having.
- the rotor 4 is surrounded by a stator 6, which is relative to the rotor 4 is rotatably mounted on the shaft 2.
- the stator 6 will penetrated by the shaft 2 and has two through a crosspiece separate chambers into each of which a rotor blade 5 protrudes.
- the rotor 4 with the stator 6 forms a swivel vane adjuster, which is known and is therefore not described in detail.
- the stator interior is divided into two chambers by the crosspiece, in each of which a rotor blade 5 protrudes.
- Each rotor blade 5 is divided the stator chamber 2 in two sections. In each chamber section the two chambers is known via the shaft 2 in Way introduced hydraulic medium. In this way, the relative rotation be made between rotor 4 and stator 6.
- the shaft 2 is included an inner eccentric 8, which is advantageously in one piece with the Shaft 1 is formed.
- the inner eccentric 8 is so in relation to the Shaft 2 arranged so that it is common at a point 9 (Fig. 3a) Have tangents.
- a bearing 10 sits on the inner eccentric 8 with the interposition of it (Fig. 1) an outer eccentric 11, advantageously the same axial length like the inner eccentric 8.
- the external eccentric 11 is in turn surrounded by a backdrop 13 with the interposition of a bearing 12 (Figs. 1 and 2).
- a bearing 12 FIG. 1 and 2.
- the backdrop 13 has essentially triangular outline.
- Piston 14 is the backdrop 13 on the circumference with flat surfaces 15 to 17 provided (Fig. 4) against which the pistons 14 rest.
- the illustrated embodiment is the backdrop 13 with three such Provide surfaces 15 to 17, against which a piston 14 abuts. 4, only one piston 14 is indicated for the sake of clarity.
- the flat surfaces 15 to 17 are by curved surfaces 18 connected to 20 together on a common circular arc or cylinder jacket.
- the link 13 is connected to the housing 1 via at least one coupling member 21 guided.
- the coupling member 21 has one Ring part 22, which sits on the shaft 2 outside the inner eccentric 8 and of which two arms 23, 24 diametrically opposite one another protrude radially. They engage in guides 25 and 26 fixed to the housing on.
- the arms 23, 24 of the coupling member 21 parallel to each other and extending in the radial direction Long sides 27, 28; 29, 30 with which they are on corresponding counter surfaces of the housing-side guides 25, 26 guided in the radial direction are.
- the guides 25, 26 are arranged or the arms 23, 24 so long that in each displacement position of the coupling member 21st the arms 23, 24 are guided on the guides 25, 26. So that Coupling member 21 in the longitudinal direction of the arms 23, 24 relative to the shaft 2 can be moved, the ring portion 22 of the coupling member 21st provided with a corresponding slot 31. Its width corresponds the diameter of the shaft 2.
- the arms 23, 24 can also be fork-shaped be designed so that they guide the housing 25, 26 reach around.
- the coupling member 21 is provided with guides 32, 33 (Fig. 2) also diametrically opposite each other and an angular distance 90 ° to the guides 25, 26.
- the guides 32, 33 serve to guide counter-guide parts 34, 35 on the backdrop 13 are provided.
- the guides 25, 26 and 32, 33 can in a common radial plane of the shaft 2, but also in axially spaced radial planes of the shaft 2 can be arranged. Because of the leadership of the backdrop 13 in the coupling member 21, which in turn is guided on the housing 1, it is ensured that the coupling member 13th does not perform a rotary movement when the shaft 2 rotates, but instead is translated translationally to shaft 2. This is based on 2a to 2c will be explained in more detail.
- the coupling member 21 is located on one side of the two eccentrics 8, 11. On the opposite side is the eccentric 8, 11 a further coupling member 36 is provided with which the outer eccentric 11 is coupled to the stator 6.
- the coupling member 36 sits on the Shaft 2 and has two guides diametrically opposite each other 37, 38, with which counter-guide parts 39, 40 of the outer eccentric 11 are guided radially.
- the coupling member 36 is also with two further, diametrically opposite guides 41, 42 provided which are at an angular distance of 90 ° from each Have guides 37, 38 and by means of which counter-guide parts 43, 44 of the stator 6 are guided radially.
- the coupling member 36 can in same as the coupling member 21 with respect to a radial plane the shaft 2 are shifted. About this shifting movement To enable the coupling member 36 with a (not shown) Provide elongated hole, the width of which corresponds to the diameter of the Corresponds to wave 2.
- the eccentricity of the backdrop 13 is infinitely variable can be set.
- the backdrop 13 transmits their displacement movement the set eccentricity on the pistons 14.
- Each piston 14 is by a compression spring (not shown) towards his facility on the backdrop 13. The spring force is only so high that the piston 14 clean on the planes Pages 15 to 17 of the piston 14 abut.
- the stator 6 is relative to the Rotor 4 has been rotated so that the rotor blade 5 is now a middle one Position within the stator chamber 45 occupies.
- the coupling member 36 of the outer eccentric 11 relative to the inner eccentric 8 rotated and thus a certain eccentricity of the eccentric set.
- the coupling member 36 With the relative rotation of the rotor 4 opposite the stator 6 is the coupling member 36 via the counter-guide parts 43, 44 of the rotor 4 and the guides 41, 42 of the coupling member 36 taken to the appropriate extent.
- the coupling member 36 is in this rotation in the X direction been postponed.
- FIG. 3c shows by way of example, the stator 6 and to rotate the rotor 4 relative to one another in such a way that the rotor blade 5 on the opposite end wall 48 of the stator chamber 45 for Facility is coming.
- the outer eccentric is thereby via the coupling member 36 11 so adjusted relative to the inner eccentric 8 that this eccentric drive has its greatest eccentricity.
- the coupling member 36 is in the X direction been moved the furthest.
- the coupling link 36 via the positive connection 41, 42; 43, 44 with the Stator 6 has been rotated.
- the swivel wing adjuster 7 the eccentricity of the eccentric drive 8, 11 is continuously adjusted are, so that the stroke of the piston 14 is adjusted accordingly sensitively and be adapted to the desired requirements can.
- the link 13 is over the Coupling member 21 on the guides 25, 26 fixed to the housing by means of the Arms 23, 24 supported.
- 2a to 2d show different Positions of the backdrop 13 and the coupling member 21 when the shaft 2 is rotated about its axis 47.
- 11 are the backdrop 13 and that with it connected coupling member 21 moves in the X-Y plane.
- the housing-fixed Guides 25, 26 prevent the coupling member 21 from its Axis is rotated. It is only how a comparison of the Fig.
- 2a to 2d shows, translationally shifted in the X-Y plane, wherein the guide over the arms 23, 24 and the fixed guides 25, 26 and via the guides 32, 33 of the coupling member 21 and the associated counter-guide parts 34, 35 of the backdrop 13.
- the guides 25, 26 fixed to the housing absorb the friction moments, that of the pistons 14 on the backdrop 13 at its translational Exercise.
- the shaft 2 is clockwise turned.
- the backdrop 13 which is arranged on the outer eccentric 11 is translationally shifted to the left in the X-Y plane
- the Setting 13 with its counter-guide parts 34, 35 through the guides 32, 33 of the coupling member 21 is guided.
- the coupling member 21 in turn is by means of its arms 23, 24 through the housing Guides 25, 26 guided.
- the shaft 2 is rotated by a further 90 ° been.
- the coupling member 21 is compared to the position according to Fig. 2b has been moved down.
- Fig. 2d finally shows a position that results when the shaft 2 has been rotated another 90 ° clockwise. Now is the backdrop 13 moved farthest to the right. The coupling link 21 is upwards in comparison to the position according to FIG. 2c been postponed.
- the movement sequence described with reference to FIGS. 2a to 2d shows that the coupling member 21 and the link 13 are not rotated, but translationally shifted in the X-Y plane.
- the stroke of the piston 14 can be infinitely varied between zero and a maximum value.
- an actuator serves the swivel wing adjuster 7, with which the relative position of the two eccentrics 8, 11 can be adjusted to each other can.
- a relative rotation is carried out in the manner described made between the stator 6 and the rotor 4. Since the Rotor 4 rotatably connected to shaft 2 and the outer eccentric 11 is coupled to the stator 6 via the coupling member 36 by rotating the shaft 2 of the inner eccentric 8 relative to the outer eccentric 11 twisted. In this way, the can be sensitive and infinitely variable Eccentricity of the eccentric drive 8, 11 can be set.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
- Fig. 1
- in Seitenansicht und in vereinfachter Darstellung eine erfindungsgemäße Pumpe,
- Fig. 2a bis Fig. 2d
- in vereinfachter und schematischer Darstellung verschiedene Stellungen einer Kulisse der erfindungsgemäßen Pumpe zum Betätigen von Kolben,
- Fig. 3a bis Fig. 3c
- in vereinfachter und schematischer Darstellung verschiedene Stellungen eines Koppelgliedes der erfindungsgemäßen Pumpe,
- Fig. 4
- eine Draufsicht auf die erfindungsgemäße Pumpe.
Claims (17)
- Pumpe, insbesondere zur Förderung von Kraftstoff in einem Verbrennungsmotor eines Kraftfahrzeuges, mit einem Gehäuse, in dem eine Welle drehbar gelagert ist,
dadurch gekennzeichnet, daß mit der Welle (2) die Exzentrizität eines Exzenterantriebes (8, 11) einstellbar ist, mit dem wenigstens ein Antriebselement (13) antreibbar ist, das entsprechend der eingestellten Exzentrizität translatorisch in einer quer zur Welle (2) liegenden Ebene verstellbar ist. - Pumpe nach Anspruch 1,
dadurch gekennzeichnet, daß der Exzenterantrieb einen vorzugsweise einstückig mit der Welle (2) ausgebildeten Innenexzenter (8) und einen auf ihm gelagerten Außenexzenter (11) aufweist. - Pumpe nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß das Antriebselement (13) auf dem Außenexzenter (11) gelagert ist und/oder den Außenexzenter (11) umgibt. - Pumpe nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß der Außenexzenter (11) den Innenexzenter (8) umgibt. - Pumpe nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß das Antriebselement (13) wenigstens eine Anlagefläche (15 bis 17) für wenigstens einen Kolben (14) aufweist. - Pumpe nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß das Antriebselement (13) am Gehäuse (1) gegen Drehen abgestützt, vorzugsweise über wenigstens ein Koppelglied (21) mit dem Gehäuse (1) verbunden ist. - Pumpe nach Anspruch 6,
dadurch gekennzeichnet, daß das Koppelglied (21) von der Welle (2) durchsetzt und/oder translatorisch in einer quer zur Welle (2) liegenden Ebene verschiebbar ist. - Pumpe nach Anspruch 6 oder 7,
dadurch gekennzeichnet, daß das Gehäuse (1) wenigstens eine Führung (25, 26) für wenigstens ein Gegenführungsteil (23, 24) des Koppelgliedes (21) aufweist, das vorteilhaft radial in bezug auf die Welle (2) am Gehäuse (1) geführt ist. - Pumpe nach Anspruch 8,
dadurch gekennzeichnet, daß das Gehäuse (1) zwei diametral einander gegenüberliegende Führungen (25, 26) für entsprechende Gegenführungsteile (23, 24) des Koppelgliedes (21) aufweist. - Pumpe nach einem der Ansprüche 6 bis 9,
dadurch gekennzeichnet, daß das Koppelglied (21) wenigstens eine Führung (32, 33) für wenigstens ein Gegenführungsteil (34, 35) des Antriebselementes (13) aufweist, und daß vorteilhaft das Antriebselement (13) radial in bezug auf die Welle (2) am Koppelglied (21) geführt ist. - Pumpe nach Anspruch 10,
dadurch gekennzeichnet, daß das Koppelglied (21) zwei diametral einander gegenüberliegende, vorzugsweise senkrecht zur Führung (25, 26) des Gehäuses (1) liegende Führungen (32, 33) für entsprechende Gegenführungsteile (34, 35) des Antriebselementes (13) aufweist. - Pumpe nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet, daß der Exzenterantrieb (8, 11) mit einer Einstelleinrichtung (7) gekoppelt ist, die vorteilhaft wenigstens ein drehfest mit der Welle (2) verbundenes, vorzugsweise hydraulisch verstellbares Einstellelement (4) aufweist. - Pumpe nach Anspruch 12,
dadurch gekennzeichnet, daß das Einstellelement (4) ein relativ gegenüber einem Stator (6) verdrehbarer Rotor ist. - Pumpe nach Anspruch 12 oder 13,
dadurch gekennzeichnet, daß der Exzenterantrieb (8, 11) über ein weiteres, vorteilhaft in bezug zur Welle (2) radial verstellbares Koppelglied (36) mit der Einstelleinrichtung (7) gekoppelt ist. - Pumpe nach Anspruch 14,
dadurch gekennzeichnet, daß das weitere Koppelglied (36) wenigstens zwei im Winkelabstand, vorzugsweise rechtwinklig zueinander liegende Führungen (37, 38; 41, 42) für Gegenführungsteile (39, 40; 43, 44) des Außenexzenters (11) und des Stators (6) aufweist. - Pumpe nach Anspruch 15,
dadurch gekennzeichnet, daß die Führungen (37, 38; 41, 42) des weiteren Koppelgliedes (36) jeweils paarweise diametral einander gegenüberliegend vorgesehen sind. - Pumpe nach einem der Ansprüche 14 bis 16,
dadurch gekennzeichnet, daß das weitere Koppelglied (36) von der Welle (2) durchsetzt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19961558A DE19961558A1 (de) | 1999-12-20 | 1999-12-20 | Pumpe, insbesondere zur Förderung von Kraftstoff in einem Verbrennungsmotor eines Kraftfahrzeuges |
DE19961558 | 1999-12-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1111234A2 true EP1111234A2 (de) | 2001-06-27 |
EP1111234A3 EP1111234A3 (de) | 2002-12-18 |
EP1111234B1 EP1111234B1 (de) | 2006-04-26 |
Family
ID=7933481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00127312A Expired - Lifetime EP1111234B1 (de) | 1999-12-20 | 2000-12-13 | Kraftstoffpumpe |
Country Status (4)
Country | Link |
---|---|
US (1) | US6454544B2 (de) |
EP (1) | EP1111234B1 (de) |
JP (1) | JP2001193603A (de) |
DE (2) | DE19961558A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1283366A2 (de) * | 2001-08-10 | 2003-02-12 | Robert Bosch Gmbh | Radialkolbenpumpe und Verfahren zum Betreiben dieser Pumpe |
EP1852610A1 (de) * | 2006-05-05 | 2007-11-07 | Golle Motor AG | Hubverstelleinrichtung für Doppelexzenterantriebe |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10238722A1 (de) | 2002-08-23 | 2004-03-11 | Bayer Ag | Selektive Phosphodiesterase 9A-Inhibitoren als Arzneimittel zur Verbesserung kognitiver Prozesse |
US8044060B2 (en) * | 2003-05-09 | 2011-10-25 | Boehringer Ingelheim International Gmbh | 6-cyclylmethyl- and 6-alkylmethyl pyrazolo[3,4-D]pyrimidines, methods for their preparation and methods for their use to treat impairments of perception, concentration learning and/or memory |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2592237A (en) * | 1950-01-11 | 1952-04-08 | Builders Iron Foundry | Pump stroke adjusting device |
DE1907349A1 (de) * | 1969-02-14 | 1970-08-20 | Siemens Ag | Vorrichtung zum Verstellen einer Exzenteranordnung |
US3765252A (en) * | 1971-06-21 | 1973-10-16 | Sulzer Ag | Hydraulic piston machine having radially disposed pistons |
DE4004142A1 (de) * | 1990-02-10 | 1991-08-14 | Ingelheim Peter Graf Von | Kolbenmaschine mit verstellbarem foerdervolumen |
DE19650274A1 (de) * | 1996-12-04 | 1998-06-10 | Teves Gmbh Alfred | Pumpenaggregat |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US852033A (en) * | 1905-11-06 | 1907-04-30 | Raoul Philippe | Motor. |
US2223100A (en) * | 1938-04-01 | 1940-11-26 | Edwin E Foster | Internal combustion engine |
US2513514A (en) * | 1945-10-08 | 1950-07-04 | Robert A Poage | Piston and crankshaft connecting means for internal-combustion engines |
US2815670A (en) * | 1954-08-10 | 1957-12-10 | Jorgensen Oscar Halfdan | Stepless variable-speed powertransmission device |
DE2545998A1 (de) * | 1974-10-15 | 1976-04-29 | Notario Luis Iturriaga | Compressor mit wechsellaeufigen kolben |
US4245966A (en) * | 1978-01-30 | 1981-01-20 | Westinghouse Electric Corp. | Reciprocating piston device with changeable stroke length |
DE3421632C2 (de) * | 1984-06-09 | 1986-07-03 | Küsters, Eduard, 4150 Krefeld | Vorrichtung zum oszillierenden Linearantrieb eines mit einer umlaufenden Walze oder dergleichen zusammenwirkenden Bauteils |
DE4007005C1 (de) * | 1990-03-06 | 1991-10-17 | Sulzer-Escher Wyss Gmbh, 7980 Ravensburg, De | |
JPH0823385B2 (ja) * | 1990-05-08 | 1996-03-06 | ブリヂストンサイクル株式会社 | 摩擦式無段変速装置 |
-
1999
- 1999-12-20 DE DE19961558A patent/DE19961558A1/de not_active Withdrawn
-
2000
- 2000-12-13 EP EP00127312A patent/EP1111234B1/de not_active Expired - Lifetime
- 2000-12-13 DE DE50012643T patent/DE50012643D1/de not_active Expired - Lifetime
- 2000-12-18 JP JP2000383919A patent/JP2001193603A/ja active Pending
- 2000-12-18 US US09/739,544 patent/US6454544B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2592237A (en) * | 1950-01-11 | 1952-04-08 | Builders Iron Foundry | Pump stroke adjusting device |
DE1907349A1 (de) * | 1969-02-14 | 1970-08-20 | Siemens Ag | Vorrichtung zum Verstellen einer Exzenteranordnung |
US3765252A (en) * | 1971-06-21 | 1973-10-16 | Sulzer Ag | Hydraulic piston machine having radially disposed pistons |
DE4004142A1 (de) * | 1990-02-10 | 1991-08-14 | Ingelheim Peter Graf Von | Kolbenmaschine mit verstellbarem foerdervolumen |
DE19650274A1 (de) * | 1996-12-04 | 1998-06-10 | Teves Gmbh Alfred | Pumpenaggregat |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1283366A2 (de) * | 2001-08-10 | 2003-02-12 | Robert Bosch Gmbh | Radialkolbenpumpe und Verfahren zum Betreiben dieser Pumpe |
EP1283366A3 (de) * | 2001-08-10 | 2004-05-12 | Robert Bosch Gmbh | Radialkolbenpumpe und Verfahren zum Betreiben dieser Pumpe |
EP1852610A1 (de) * | 2006-05-05 | 2007-11-07 | Golle Motor AG | Hubverstelleinrichtung für Doppelexzenterantriebe |
Also Published As
Publication number | Publication date |
---|---|
US6454544B2 (en) | 2002-09-24 |
EP1111234B1 (de) | 2006-04-26 |
DE50012643D1 (de) | 2006-06-01 |
JP2001193603A (ja) | 2001-07-17 |
US20010004441A1 (en) | 2001-06-21 |
DE19961558A1 (de) | 2001-06-21 |
EP1111234A3 (de) | 2002-12-18 |
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