WO2014053211A1 - Verfahren zum herstellen eines kolbens für eine hubkolbenarbeitsmaschine, nach dem verfahren hergestellter kolben sowie hubkolbenarbeitsmaschine mit wenigstens einem nach dem verfahren hergestellten kolben - Google Patents
Verfahren zum herstellen eines kolbens für eine hubkolbenarbeitsmaschine, nach dem verfahren hergestellter kolben sowie hubkolbenarbeitsmaschine mit wenigstens einem nach dem verfahren hergestellten kolben Download PDFInfo
- Publication number
- WO2014053211A1 WO2014053211A1 PCT/EP2013/002724 EP2013002724W WO2014053211A1 WO 2014053211 A1 WO2014053211 A1 WO 2014053211A1 EP 2013002724 W EP2013002724 W EP 2013002724W WO 2014053211 A1 WO2014053211 A1 WO 2014053211A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- piston
- region
- longitudinal axis
- bent
- preform
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
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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
- F04B1/0408—Pistons
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
- F04B39/041—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod
- F04B39/042—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod sealing being provided on the piston
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/143—Sealing provided on the piston
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
- B29C2045/14459—Coating a portion of the article, e.g. the edge of the article injecting seal elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2627/00—Use of polyvinylhalogenides or derivatives thereof for preformed parts, e.g. for inserts
- B29K2627/12—Use of polyvinylhalogenides or derivatives thereof for preformed parts, e.g. for inserts containing fluorine
- B29K2627/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/748—Machines or parts thereof not otherwise provided for
- B29L2031/7494—Pistons
Definitions
- the invention relates to a method for producing a central
- Circumferential seal in the form of a circular cup sleeve, wherein the
- Cup sleeve in its the functional contour of the installed state having form of a held in the piston and in a radial region radially to
- Piston longitudinal axis aligned legs and bent in an axial region about 90 °, approximately parallel to the piston longitudinal axis aligned legs, for arrangement in a cylinder of a reciprocating working machine
- a reciprocating compressor for example, a reciprocating compressor, a piston manufactured by the method and a reciprocating working machine with at least one piston produced by the method.
- Cuff seal made of polytetrafluoroethylene (PTFE) is clamped between a piston edge and a pressure plate fastened to the piston by means of a central screw with its radially directed to the piston longitudinal axis leg, while a bent by about 90 °, aligned approximately parallel to the piston longitudinal axis, about
- PTFE polytetrafluoroethylene
- Reciprocating compressor known with a cylinder, one in the cylinder by means of a
- Collar seal sealed running piston with a working on a crankshaft drive motor whose drive shaft is received by a bore of the crankshaft, and a connecting rod with a connecting rod, at one end of a connecting rod eye for receiving a crankshaft journal of the crankshaft is formed and at the other end the integrally formed with the connecting rod piston is formed.
- the gasket designed as a cup sleeve is fixed with its leg extending radially in the direction of the piston longitudinal axis on a circumferential shoulder of the piston by means of a press-on ring.
- the outer contours of the pressing ring and the piston are crowned, in particular formed as a spherical section.
- the pressing ring is required to first the relatively stiff and like a
- the press-on ring can be fixed solely by a pressing action between the piston and the press-on ring. But it is also possible to glue the Aufpressring additionally or exclusively with the piston or to weld with the piston, in particular by ultrasonic welding, if the
- Press ring and the piston made of plastic occur in practice often problems with the pressure between the piston and the pressing ring, for example, made of different materials, such as a metal pressing ring and a piston made of plastic, or in a pressing ring and a piston made of plastic from the Lack of pressing action can result because of the flow of the plastic.
- An adhesive bond between the press ring and the piston makes high demands on the purity of the production process, is not very reliable and causes increased costs. This also applies to a welding of the press-on ring with the piston.
- the invention has the object, a method for producing a piston with a peripheral seal in the form of a
- This object is achieved in a method for producing a central piston longitudinal axis and a piston circumference having piston with a peripheral seal in the form of a circular cup seal, wherein the
- Cup sleeve in its the functional contour of the installed state having form of a held in the piston and in a radial region radially to
- Piston longitudinal axis aligned leg and a bent in an axial region by about 90 °, approximately parallel to the piston longitudinal axis aligned legs characterized in that the cup seal as a planar or curved preform with a radial region which forms the approximately radial, aligned to the piston longitudinal axis of the cup sleeve, on Piston is attached, and then a over the piston circumference radially projecting peripheral portion is formed in the bent by about 90 ° axial region of the cup seal to obtain the functional contour of the installed state.
- the invention is based on the consideration that a flat or curved preform for the production of the cup seal from the seal manufacturer
- Installation state in the cylinder can be done directly on the piston, this
- the circumferential, radial to the piston longitudinal axis directed radial region of the flat or slightly curved preform can be permanently clamped in a first step by means of a Aufpressrings on the piston, which in a second step, a radially over the circumference of the piston projecting peripheral portion of the preform in the functional contour of the installed state remaining is deformed to form the bent about 90 °, approximately parallel to the piston longitudinal axis directed and circumferential axial region of the cup seal.
- Casting tool is inserted with a mold cavity for forming the piston, that only the circumferential, directed radially to the piston longitudinal axis radial region protrudes into the mold cavity, that in a second step this projecting into the mold cavity radial area is surrounded by filling the mold cavity with piston material, and that after the Removal of the piston in a third step, the radially over the circumference of the piston projecting peripheral portion of the preform is permanently transformed into the functional contour of the installed state to form the bent about 90 °, aligned approximately parallel to the piston longitudinal axis, circumferential axial region of the cup.
- the two methods mentioned can preferably be carried out in such a way that the forming of the radial over the circumference of the piston
- Installation state of the cup seal as cold or hot forming by means of the peripheral portion of the preform comprehensive calibration tool is preferably annular, has an approximately the outer diameter of the functional contour of the installed state of the pot cuff having, about 90 ° bent axial region of the cup sleeve corresponding inner diameter and for forming the radially projecting peripheral region of Preform in the about 90 "bent axial region of the cup sleeve in the axial direction, encompassing the piston circumference, on the radially projecting
- Peripheral region of the preform is moved relative to the piston.
- the cylinder of the reciprocating working machine can also be set up as a calibration tool, so that the forming of the radially protruding peripheral region of the preform into the functional contour of the installation state of the cup seal is effected by inserting the piston with the preform attached thereto into the cylinder.
- Mold cavity for forming the piston is introduced, that it is about 90 ° bent axial region is elastically deformed in a deviating from the functional contour of the installation state of the cup seal shape and only the circumferential, radial to the piston longitudinal axis directed radial portion of the cup into the mold cavity protrudes in a second step of this projecting into the mold cavity radial region of the cup by filling the mold cavity with Piston material is surrounded, and in a third step, the piston is removed from the mold, so that in the casting mold elastically deformed, bent by about 90 ° peripheral portion of the cup seal is released and elastic in the installed state
- Piston longitudinal axis directed radial area is surrounded with piston material.
- Casting tool springs back to its original position.
- the axial region of the cup collar bent by about 90 ° can be elastically bent upwards by up to about 90.degree.
- the axial region of the cup collar bent by about 90 ° can be elastically bent upwards by up to about 90.degree.
- the molding tool Be covered In an approximately radial direction substantially flush with the radial region of the cup collar aligned radially with respect to the piston longitudinal axis and by the molding tool Be covered, so that this bent by about 90 ° peripheral portion of the cup seal when removing the piston from the casting mold is released, and bent by about 90 ° axial region of the cup elastic in the 90 "bent, the
- Casting tool is released and elastic in the bent by about 90 °, the functional contour of the installation state having a conical gap to
- Piston longitudinal axis directed radial region of the cup sleeve is surrounded by the piston material and the piston is thereby formed in one piece and of the same material with the connecting rod shank.
- a piston with a peripheral seal in the form of a cup seal prepared according to one of the methods defined above.
- Connecting rod is made.
- a reciprocating piston with integrally formed connecting rod can be made as a light metal casting or as a plastic injection molded part.
- the piston when the piston is made as a light metal casting, it is possible to attach a preform by means of a press ring on the piston, and then to form by means of a calibration tool, the functional contour of the installation state of the cup seal.
- Plastic injection molding is produced in a casting tool, the radial area aligned radially to the piston longitudinal axis of both a preform and a functional contour of the installed state having cup seal in an injection mold with piston material surround and border, so that then when using a preform forming and calibrating in the order about 90 ° bent, an approximately parallel to the piston longitudinal axis aligned to the
- Piston circumference circumferential leg resulting axial region can take place, or bent by about 90 °, approximately parallel to the piston longitudinal axis extending
- the axial area of the cup collar springs back into the functional contour of the installed state after removal from the mold.
- a three-part casting tool for the production of the piston as a plastic injection molded part, a three-part casting tool can be used, of which two mold halves are divided in a transverse plane extending centrally through the piston and the connecting rod shaft and the connecting rod shaft and a third molded part adjoins the mold halves in a dividing plane perpendicular to the piston longitudinal axis, wherein the dividing plane for the third molded part in the region of the radially extending or radially deformed
- Piston longitudinal axis and the third mold part in the direction of the piston longitudinal axis, and the radially extending peripheral portions of the cup or the radially deformed peripheral portions of the preform are received in closed mold in recesses in the two mold halves and / or in the third mold part. Since the two mold halves only move transversely to the piston longitudinal axis and the third mold part in the direction of the piston longitudinal axis and thus no diagonal trains are required, the casting tool can be produced inexpensively and does not require long cycle times for moving together and moving apart of the casting tool parts.
- the piston can also be made with a two-part casting tool, when the two mold halves are divided in a transverse plane passing through the piston and the connecting rod shaft, wherein the bent by about 90 "
- the cup seal is included with closed casting tool in recesses in the two mold halves, which are dimensioned so that they are bent by about 90 ° axial region of the pot cuff in the direction of
- Cup seal breakthroughs and / or dovetailed cutouts which are filled in the manufacture of the piston by the piston material.
- To seal the cup seal against the piston of the radial portion of the preform and / or the radial, directed to the piston longitudinal axis of the cup sleeve can be provided with one or more circumferential grooves and / or projections which are compressed when mounting the Aufpressrings or when casting with piston material in penetrate the piston material or be filled by the piston material.
- a piston working machine for example a compressor, can be produced inexpensively if at least one piston is arranged therein, which is produced in accordance with one of the features defined above.
- FIG. 1 is a partial sectional view of a piston working machine with electric drive
- FIG. 2 is a molded plastic injection-piston connecting rod unit prior to installation in the Hubkolbenarbeitsmaschine shown in FIG. 1,
- FIG. 3 is a detail sectional view of a casting tool for injection molding a piston-conrod unit with cast preform
- 5 is a plan view of a preform
- 6 is a sectional view along the line AA of Figure 5 of the preform
- FIG. 7 is a partial sectional view of a piston-conrod unit with cast preform prior to insertion into a heated calibration tool
- FIG. 8 is a partial sectional view of the piston-connecting rod unit of FIG. 7 after insertion into the calibration tool and the forming of the preform
- FIG. 9 is a partial sectional view similar to Figure 8 of a piston-conrod unit after insertion into a cylinder of Hubkolbenarbeitsmaschine and the forming of the preform in a cup cuff,
- FIG. 10 shows an embodiment of a piston-conrod unit with a held by means of a Aufpressrings cup sleeve from a flat preform
- Fig. 1 1 is a partial sectional view of a piston-connecting rod unit with an attached by means of a Aufpressrings on the piston pot sleeve, starting from a flat-curved preform.
- a reciprocating working machine 1 has at least one cylinder 2, which is manufactured in one piece with a cylinder head, in which only one pressure side 7 of the compressor is partially shown. A suction side is not shown.
- Pressure side 7 and the suction side, not shown, are common, well-known components of a compressor and, since they are not part of the invention, are not described in detail.
- the cylinder 2 is connected to a crankcase 2a, in which a crankshaft 3 is supported by means of a crankshaft bearing 4.
- the crankshaft 3 is provided with a crank pin 5 and coupled with an electric drive motor 6.
- In the cylinder 2 is designed as a pendulum piston 8 by means of a piston
- Peripheral seal in the form of a cup sleeve 16 sealed in one
- the piston 8 is made in one piece with a connecting rod, consisting of a connecting rod shaft 10 and a connecting rod eye 1 1, injection molded from plastic.
- the connecting rod eye 1 1 has a bearing bore 12 for receiving a Pleuellagers in the form of a rolling bearing 13.
- the rolling bearing 13 is connected to a
- Hole 14 is fixed at its inner ring on the crank pin 5 by means of a screw 15.
- the piston 8 Since the piston 8 is made in one piece with the connecting rod shaft 10, it performs during the rotation of the crankshaft 3 during its caused by the crank pin 5 up and down movement in the cylinder 2 from a pendulum movement and has for this reason a piston circumference 9 in the form of a spherical section , Such with the
- Connecting rod shaft 10 produced in one piece pendulum piston 8 are prior art and described for example in DE 197 27 186 B4 and in EP 1 801 416 B1.
- FIG. 2 shows one with a
- the outer ring of the connecting rod bearing 13 may as well as the
- Cup sleeve 16 may be surrounded by the plastic.
- the cup sleeve 16 has a radially directed in the direction of a piston longitudinal axis 19 radial portion 17 which is poured into the piston 8, and a protruding outside the piston circumference 9, bent by about 90 "
- One way to produce the piston 8 with the connecting rod shaft 10 and the connecting rod eye 1 1 in a casting tool 25 is shown in Fig. 3.
- a casting tool 25 which is shown only partially in Fig. 3, consists of two mold halves 37, the dividing plane, not shown, through the
- Piston longitudinal axis 19 extends. Of the two mold halves only one mold half 37 is shown, symmetrically to a second, not shown mold half is arranged. These two mold halves 37 are used to open and close the
- Casting tool 25 perpendicular to the piston longitudinal axis 19 to each other and
- a third mold part 36 is arranged with respect to the mold halves 37 so that it is in the direction of the piston longitudinal axis 19 against the
- the two Mold halves 37 and the third mold part 36 form in the illustrated closed position a mold cavity 26, in which a plastic for molding the piston 8, the connecting rod shaft 10 and the connecting rod eye 1 1 is injected.
- the mold halves 37 have a recess 37a which is intended to receive a flat or peripheral area 18a of a preform 21.
- This recess 37a can also be arranged in the third mold part 36, or it can extend into both the mold halves 37 and the third mold part 36.
- a radially extending in the direction of the piston longitudinal axis 19 in the mold cavity 26 projecting radial portion 17, 17a of the preform 21 is in the filling of the
- the casting tool 25 also consists of two mold halves 37, the dividing plane through the piston longitudinal axis 19, and from a third mold part 36, the dividing plane 38 with respect to the mold halves 37 perpendicular to the piston longitudinal axis 19 passes.
- the functional contour of the installed state having cup sleeve 16 is inserted with its bent by about 90 ° axial portion 18 in a recess 37b of the mold halves 37, wherein the recess 37b is shaped and dimensioned so that the bent by about 90 ° axial region 18 of
- Cup sleeve 16 in the direction of the piston longitudinal axis 19 radially overbends and 37 is included in the closing of the mold halves thereof.
- the projecting into the mold cavity 26 radial portion 17 of the cup 16 is by the in the
- Mold cavity 26 injected plastic material surrounded and held by this form-fitting.
- axial portion 18 is released and elastically returns to the position shown in FIG. 2, so that between the piston circumference 9 and the inside of the bent about 90 ° axial region 18th the cup seal 16 forms a conical gap 33, which is required in order to guide the piston 8 in each stroke position relative to the cylinder bore 32 of the cylinder 2 sealed.
- a planar preform 21 is shown in Fig. 3, it may also be necessary to use a preform 21 a shown in Figures 5 and 6, which in the casting mold 25 in the manner shown in Fig. 3 at
- Piston material are filled.
- Diameter of the 90 ° bent axial portion 18 of the cup 16 corresponds. If the piston 8 with its radially protruding peripheral region 18a moves over the inlet bevel 28 into the position shown in FIG. 8 in the calibration tool 27, the radially protruding peripheral region 18a of the preform 21 engages in the axial region 18 of the cup collar bent by approximately 90 ° 16 and is permanently deformed in this position by the heat from the heat source 30 to the calibration tool 27, so that it is ready for installation for the reciprocating working machine 1 shown in FIG. If the reciprocating working machine 1 does not have a cylinder 2 with cylinder head integrally formed thereon, as shown in FIG. 1, but can be provided with a cylinder head which can be mounted separately from the cylinder 2 in a manner not shown, a cylinder 31 with an inlet bevel 28 can be provided
- Cup 16 for example polytetrafluoroethylene (PTFE), so the cylinder 31, similar to the calibration tool 27, must be heated by means of a heat source 30 to a suitable temperature to cause a plastic deformation of the axial portion 18 of the cup 16.
- PTFE polytetrafluoroethylene
- Cup sleeve 16 is not damaged (it may be, for example, a fiber-reinforced plastic, such as glass fiber reinforced polyamide), the embodiment shown in Figures 10 and 11 made of light metal casting for the piston 8 and the connecting rod shaft 10 produced therewith and the
- Connecting rod eye 1 1 exist.
- the pressing ring 20 may be held by a press connection, adhesive connection or welded connection to the piston 8 and has a ball portion shaped peripheral surface 20a, complementary to the also formed as a ball portion hoop circumference 9 on the circular shoulder 8a of the piston eighth
- a planar preform 21 is clamped with its radial region 17a between the circular shoulder 8a and the pressing ring 20. Thereafter, a calibration tool 27 is moved axially with respect to the piston 8 in such a way that the initially radially protruding peripheral region 18a of the preform 21 is formed into the axial region 18 of the cup sleeve 16 bent by approximately 90 ° into the functional contour of the installed state. It remains between the bent by about 90 ° axial portion 18 of the cup 16 and the peripheral surface 20a of the Aufpressrings 20, a conical, circumferential gap 33, which is about 90 ° bent axial region 18 enough movement in the pendulum movement of the piston 8 during the up and Abmony in the cylinder 2, 31 offers.
- Fig. 10 it can be seen that the radial portion 17a of the preform 21 has circumferential, axially aligned projections 34 and at least one circumferential groove 35, the fixing and sealing of the radial portion 17, 17a of the cup 21 between the circular shoulder 8a of the piston 8 and cause the pressing ring 20.
- FIG. 11 only one circumferential groove 35 in the radial area 17a of the preform 21 is shown in FIG. 11.
- FIGS. 10 and 11 can also be realized with a pressure plate, as shown and described in DE 197 27 186 B4, instead of the pressing ring 20 shown in FIGS. 10 and 11, in that a planar preform 21 according to FIG. 10 or a slightly curved preform 21 a of FIG. 1 1 is fixed to the piston 8 by a pressure plate, and in the manner shown in Figures 7 to 1 1 in the bent by about 90 ° axial region 18 of
- Cup sleeve 16 is transformed. All mentioned in the above description of the figures, in the claims and in the introduction of the description features can be used individually as well as in any combination with each other. The invention is thus not limited to the described and claimed feature combinations. Rather, all feature combinations are to be regarded as disclosed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Compressor (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/414,508 US10040229B2 (en) | 2012-10-06 | 2013-09-11 | Method for producing a piston |
KR1020157011686A KR102137167B1 (ko) | 2012-10-06 | 2013-09-11 | 왕복 피스톤 작업 기계용 피스톤 제조 방법, 이 방법에 의하여 제조된 피스톤, 이 방법에 따라 제조된 적어도 하나의 피스톤을 갖는 왕복 피스톤 작업 기계 |
JP2015534922A JP6271564B2 (ja) | 2012-10-06 | 2013-09-11 | 往復ピストン式作業機械のためのピストンを製造するための方法、この方法により製造されたピストン及びこの方法により製造された少なくとも1つのピストンを有する往復ピストン式作業機械 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102012019618.0A DE102012019618B4 (de) | 2012-10-06 | 2012-10-06 | Verfahren zum Herstellen eines Kolbens für eine Hubkolbenarbeitsmaschine, nach dem Verfahren hergestellter Kolben sowie Hubkolbenarbeitsmaschine mit wenigstens einem nach dem Verfahren hergestellten Kolben |
DE102012019618.0 | 2012-10-06 |
Publications (1)
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WO2014053211A1 true WO2014053211A1 (de) | 2014-04-10 |
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ID=49170651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2013/002724 WO2014053211A1 (de) | 2012-10-06 | 2013-09-11 | Verfahren zum herstellen eines kolbens für eine hubkolbenarbeitsmaschine, nach dem verfahren hergestellter kolben sowie hubkolbenarbeitsmaschine mit wenigstens einem nach dem verfahren hergestellten kolben |
Country Status (5)
Country | Link |
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US (1) | US10040229B2 (de) |
JP (1) | JP6271564B2 (de) |
KR (1) | KR102137167B1 (de) |
DE (1) | DE102012019618B4 (de) |
WO (1) | WO2014053211A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102015203276A1 (de) * | 2015-02-24 | 2016-08-25 | Continental Teves Ag & Co. Ohg | Kolbenpumpe |
DE102016013739A1 (de) * | 2015-12-08 | 2017-06-08 | Wabco Gmbh | Doppelkolbenkompressor einer Druckluft-Versorgungseinrichtung |
DE102017004088A1 (de) | 2017-04-28 | 2018-10-31 | Wabco Gmbh | Verdichter, Druckluftversorgungsanlage zum Betreiben einer Pneumatikanlage und Verfahren zum Betreiben einer Druckluftversorgungsanlage |
JP7554044B2 (ja) * | 2019-10-01 | 2024-09-19 | 株式会社日立産機システム | 圧縮機 |
CN113803256A (zh) * | 2020-06-12 | 2021-12-17 | 美国圣戈班性能塑料公司 | 用于压缩机的杯形密封及其形成方法 |
DE102021110256A1 (de) | 2021-04-22 | 2022-10-27 | Zf Cv Systems Europe Bv | Kolben, Verdichter, Druckluftversorgungsanlage, Fahrzeug und Verfahren zum Betreiben einer Druckluftversorgungsanlage |
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DE3233854A1 (de) * | 1982-09-11 | 1984-03-15 | Erich 7812 Bad Krozingen Becker | Pendelkolbenpumpe |
US4848213A (en) * | 1988-01-11 | 1989-07-18 | The Devilbiss Company | Reciprocating piston compressor with offset cylinder |
EP0353462A1 (de) * | 1988-07-21 | 1990-02-07 | Elring Dichtungswerke GmbH | Kolben, insbesondere Tauchkolben für Kompressoren |
EP1801416A1 (de) * | 2005-12-22 | 2007-06-27 | WABCO GmbH | Hubkolbenmaschine |
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JPS6036308Y2 (ja) * | 1980-09-29 | 1985-10-28 | 株式会社真城商会 | パチンコ機用セ−フ玉受口器の取付構造 |
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2012
- 2012-10-06 DE DE102012019618.0A patent/DE102012019618B4/de active Active
-
2013
- 2013-09-11 JP JP2015534922A patent/JP6271564B2/ja active Active
- 2013-09-11 US US14/414,508 patent/US10040229B2/en active Active
- 2013-09-11 KR KR1020157011686A patent/KR102137167B1/ko active IP Right Grant
- 2013-09-11 WO PCT/EP2013/002724 patent/WO2014053211A1/de active Application Filing
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DE3233854A1 (de) * | 1982-09-11 | 1984-03-15 | Erich 7812 Bad Krozingen Becker | Pendelkolbenpumpe |
US4848213A (en) * | 1988-01-11 | 1989-07-18 | The Devilbiss Company | Reciprocating piston compressor with offset cylinder |
EP0353462A1 (de) * | 1988-07-21 | 1990-02-07 | Elring Dichtungswerke GmbH | Kolben, insbesondere Tauchkolben für Kompressoren |
EP1801416A1 (de) * | 2005-12-22 | 2007-06-27 | WABCO GmbH | Hubkolbenmaschine |
Also Published As
Publication number | Publication date |
---|---|
US20150209986A1 (en) | 2015-07-30 |
DE102012019618A1 (de) | 2014-04-10 |
KR20150064191A (ko) | 2015-06-10 |
DE102012019618B4 (de) | 2023-10-26 |
JP2015530521A (ja) | 2015-10-15 |
US10040229B2 (en) | 2018-08-07 |
JP6271564B2 (ja) | 2018-01-31 |
KR102137167B1 (ko) | 2020-07-24 |
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