US20050238513A1 - Double piston for a compressor - Google Patents
Double piston for a compressor Download PDFInfo
- Publication number
- US20050238513A1 US20050238513A1 US11/102,080 US10208005A US2005238513A1 US 20050238513 A1 US20050238513 A1 US 20050238513A1 US 10208005 A US10208005 A US 10208005A US 2005238513 A1 US2005238513 A1 US 2005238513A1
- Authority
- US
- United States
- Prior art keywords
- piston
- connecting rod
- bearing
- recited
- vibration
- 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.)
- Abandoned
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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
- 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
- F04B39/0005—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 adaptations of pistons
- F04B39/0022—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 adaptations of pistons piston rods
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/02—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders arranged oppositely relative to main shaft
-
- 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
- F04B39/0005—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 adaptations of 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
- F04B39/0027—Pulsation and noise damping means
- F04B39/0044—Pulsation and noise damping means with vibration damping supports
Definitions
- a double piston of this type for a compressor is known (European Patent Disclosure 12 33 183 A1), whose connecting rod in the case of a compressor is located between the outlet of a drive mechanism and the piston carrier, so that by way of the connecting rod, the rotary, eccentric power takeoff motion of the drive mechanism can be converted into a reciprocating motion of the double piston. It has been demonstrated that during the course of motion of the piston, vibration occurs in the piston and in the valves of the compressor and is transmitted via the connecting rod and the connecting rod bearing. Vibration originating in the drive mechanism and its cam also occurs. This vibration can cause premature bearing damage because of the mechanical strains and moreover has the disadvantage of causing irritating noise, which is especially unpleasant when such compressors are installed in vehicles, for instance.
- the object of the invention is to embody a double piston of the type defined at the outset in such a way that when it is installed in a compressor, any vibration that occurs is damped, and resultant noise is at least reduced, with an attendant increase in efficiency and in the length of the life of the bearings.
- FIG. 1 is a schematic section through a double piston engaged by a connecting rod of a compressor not otherwise shown;
- FIG. 2 shows half of a schematic cross section taken along the line II-II in FIG. 1 .
- the drawings show a piston 10 of a compressor not otherwise shown, such as a high-performance compressor, that can be put together with an electric drive motor, not shown, analogously to EP 12 33 183 A1, for instance, to make a functional unit.
- the piston 10 is embodied as a double piston, which has an elongated piston carrier 11 that on one end has a first piston 12 of large diameter for a first pressure stage and on the diametrically opposite end has a second piston 13 of smaller diameter for a second pressure stage. Because of this design of the piston 10 as a double piston, the compressor not otherwise shown is two-staged.
- the piston carrier 11 together with one or both pistons 12 , 13 , forms an integral component, embodied for instance as a molded part of plastic or die cast aluminum.
- the piston 10 and in particular its piston carrier 11 is driven by means of a connecting rod 14 , which is rotatably supported on a cam 15 on the end of a shaft 16 by means of a bearing 17 , such as a ball bearing, hereinafter referred to as the connecting rod bearing 17 .
- the shaft 16 is part of the drive mechanism in form of the electric drive motor not further shown, such as a high-powered motor.
- the connecting rod 14 extends approximately parallel to the piston carrier 11 and approximately perpendicular to the longitudinal center axis of the shaft 16 .
- the connecting rod 14 can be coupled pivotably, in particular rotatably, on the bolt 18 by means of a bearing 19 , such as a ball bearing.
- the bearing 19 is seated with its inner ring solidly on the bolt 18 , while its outer ring is received in the connecting rod 14 in a manner fixed against relative rotation.
- the piston carrier 11 has an intermediate chamber 32 , dimensioned for receiving the connecting rod 14 freely movably, in which the connecting rod 14 is received freely movably.
- the piston carrier 11 has two webs 33 and 34 , extending approximately longitudinally and approximately parallel to one another, which are united integrally with the pistons 12 and 13 in the region of them. Between the webs 33 and 34 , the intermediate chamber 32 is formed and the connecting rod 14 is received. As FIG.
- the intermediate chamber 32 extends approximately within a plane 35 that is aligned with a diametral plane 36 of one piston 12 and a diametral plane 37 , aligned with the latter diametral plane, of the other piston 13 in such a way that these planes 35 through 37 extend in one line.
- the plane 35 essentially represents the longitudinal plane of symmetry of the piston carrier 11 .
- the connecting rod 14 is placed in the intermediate chamber 32 in such a way that it extends substantially within this plane 35 .
- the connecting rod 14 is embodied as a rectilinear component, whose connecting rod bearing 17 and bearing 19 are located within a common longitudinal center plane, which coincides approximately with the plane of symmetry of the piston carrier 11 .
- the bolt 18 of the piston carrier 11 penetrates the intermediate chamber 32 , extending transversely to the plane of symmetry 35 , and is received by both ends in the transversely spaced-apart webs 33 and 34 of the piston carrier 11 , in particular being fixedly located there.
- the webs 33 , 34 of the piston carrier 11 together with the bolt 18 , form a bearing fork for the end there of the connecting rod 14 , which is received between them and is retained with the bearing 19 on the bolt 18 , while the remainder of the connecting rod 14 extends freely into the intermediate chamber 32 .
- the bearings 17 and 19 are loaded only with forces acting within the plane 35 , and not with any forces oriented transversely thereto.
- the service life of the bearings 17 , 19 is increased, and efficiency is furthermore improved. It is also advantageous that as a result, a noise reduction is also achieved in the region of the bearings 17 , 19 .
- the connecting rod bearing 17 is seated with its inner ring firmly on the cam 15 .
- there is at least one vibration damper 20 which is provided in the region of the coupling point, such as the bearing 19 at that location, and/or—as shown in FIG. 1 —in the region of the connecting rod bearing 17 .
- This vibration damper 20 has a vibration-damping bearing receptacle 21 , which has a vibration-damping layer 22 that is elastic, being formed in particular of rubber, synthetic rubber, or the like.
- the vibration-damping layer 22 has a hardness of for instance approximately 80 ⁇ Shore A.
- the vibration-damping bearing receptacle 21 has a rubber spring, while in the other exemplary embodiment, not shown, the bearing receptacle 21 may be formed solely of the vibration-damping layer 22 .
- the connecting rod bearing 17 is embedded with its outer ring directly in the vibration-damping layer 22 , which in turn is located in a receptacle 23 , in particular a bore, in the connecting rod 14 .
- this rubber spring has two concentric rings 24 and 25 , in particular of metal, and between the rings 24 , 25 it has the layer 22 , extending annularly, which is embodied for instance as an integrally vulcanized-on rubber layer.
- the connecting rod bearing 17 is embedded in the receptacle 23 of the connecting rod 14 .
- the disposition of the vibration damper 20 at this point has proved to be especially advantageous.
- the vibration-damping layer 22 can advantageously be designed such that it has greater elasticity in the circumferential direction than in the radial direction.
- the bearing 19 of the coupling point may also be embedded by means of a vibration-damping bearing receptacle, analogous to the bearing receptacle 21 , in the connecting rod 14 and/or in part of the piston 10 , such as the piston carrier 11 .
- the at least one vibration damper 20 Because of the disposition of the at least one vibration damper 20 , very good damping of vibration that occurs during the course of motion of the piston 10 and is transmitted via the connecting rod 14 and the bearings 17 and 19 and that on the other hand occurs as a result of the drive mechanism not further shown and the cam 15 is attained. Such vibration not only stresses the bearings but also causes irritating noise, which is especially unpleasant if compressors embodied in this way are installed in vehicles, for instance. Thus because of the vibration damper 20 , such vibration in the region of the bearing receptacle 21 is absorbed and damped by the layer 22 , as a result of which a further reduction in noise, in fact by multiple times, is achieved.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
A double piston for a compressor, having an elongated piston carrier which has one piston on each end, and having a connecting rod, extending approximately parallel to the piston carrier, that is supported rotatably by means of a bearing on a bolt of the piston carrier and spaced apart from it is supportable on a cam of a drive mechanism by means of a connecting rod bearing. In a middle region that extends between the two pistons, the piston carrier includes an intermediate chamber, dimensioned to receive the connecting rod freely movably, in which the connecting rod is received freely movably.
Description
- A double piston of this type for a compressor is known (European Patent Disclosure 12 33 183 A1), whose connecting rod in the case of a compressor is located between the outlet of a drive mechanism and the piston carrier, so that by way of the connecting rod, the rotary, eccentric power takeoff motion of the drive mechanism can be converted into a reciprocating motion of the double piston. It has been demonstrated that during the course of motion of the piston, vibration occurs in the piston and in the valves of the compressor and is transmitted via the connecting rod and the connecting rod bearing. Vibration originating in the drive mechanism and its cam also occurs. This vibration can cause premature bearing damage because of the mechanical strains and moreover has the disadvantage of causing irritating noise, which is especially unpleasant when such compressors are installed in vehicles, for instance.
- The object of the invention is to embody a double piston of the type defined at the outset in such a way that when it is installed in a compressor, any vibration that occurs is damped, and resultant noise is at least reduced, with an attendant increase in efficiency and in the length of the life of the bearings.
- In a double piston of the type defined at the outset, this object is attained according to the invention by the characteristics recited in claim 1. Because of this symmetrical disposition of the connecting rod relative to the piston carrier and its pistons, no transversely oriented forces, but only forces within the plane of symmetry, are operative in the region of the connecting rod bearing. As a result, the load on the connecting rod bearing is reduced and its service life is lengthened. Moreover, because of reduced stress on the bearing, efficiency is also enhanced. Advantageously, this also brings about vibration damping, with the result that noise that would otherwise occur is reduced solely by this provision. Hence a compressor equipped such a double piston is especially well suited to installation wherever low noise is especially important, such as in vehicles. The design is simple, economical, and safe in operation.
- Other particular characteristics and features of the invention will become apparent from the other claims. Because of the at least one vibration-damping bearing receptacle which in the course of the connecting rod is located between the connecting rod bearing and the coupling point, the vibration damping is improved still further, so that noise is reduced multiple times compared to what would otherwise occur.
- Further details and advantages of the invention will become apparent from the ensuing description.
- The complete wording of the claims is not given above solely for the sake of avoiding unnecessary repetition; instead, merely by mentioning the claims, they are referred to, but all the characteristics of the claims are considered at this point to be expressly disclosed in a way that is essential to the invention. All the characteristics mentioned above and in the ensuing description as well as all the characteristics that can be taken solely from the drawing are further components of the invention, even if they are not especially emphasized and in particular even if they are not mentioned in the claims.
- The invention is described in further detail below in terms of an exemplary embodiment shown in the drawings.
-
FIG. 1 is a schematic section through a double piston engaged by a connecting rod of a compressor not otherwise shown; and -
FIG. 2 shows half of a schematic cross section taken along the line II-II inFIG. 1 . - The drawings show a
piston 10 of a compressor not otherwise shown, such as a high-performance compressor, that can be put together with an electric drive motor, not shown, analogously toEP 12 33 183 A1, for instance, to make a functional unit. Thepiston 10 is embodied as a double piston, which has anelongated piston carrier 11 that on one end has afirst piston 12 of large diameter for a first pressure stage and on the diametrically opposite end has asecond piston 13 of smaller diameter for a second pressure stage. Because of this design of thepiston 10 as a double piston, the compressor not otherwise shown is two-staged. Thepiston carrier 11, together with one or bothpistons - The
piston 10 and in particular itspiston carrier 11 is driven by means of a connectingrod 14, which is rotatably supported on acam 15 on the end of ashaft 16 by means of abearing 17, such as a ball bearing, hereinafter referred to as the connecting rod bearing 17. Theshaft 16 is part of the drive mechanism in form of the electric drive motor not further shown, such as a high-powered motor. - The connecting
rod 14 extends approximately parallel to thepiston carrier 11 and approximately perpendicular to the longitudinal center axis of theshaft 16. The connectingrod 14 can be coupled pivotably, in particular rotatably, on thebolt 18 by means of abearing 19, such as a ball bearing. Thebearing 19 is seated with its inner ring solidly on thebolt 18, while its outer ring is received in the connectingrod 14 in a manner fixed against relative rotation. - In a
middle region 31 that extends between the twopistons piston carrier 11 has anintermediate chamber 32, dimensioned for receiving the connectingrod 14 freely movably, in which the connectingrod 14 is received freely movably. Here, thepiston carrier 11 has twowebs pistons webs intermediate chamber 32 is formed and the connectingrod 14 is received. AsFIG. 1 shows, theintermediate chamber 32 extends approximately within aplane 35 that is aligned with adiametral plane 36 of onepiston 12 and adiametral plane 37, aligned with the latter diametral plane, of theother piston 13 in such a way that theseplanes 35 through 37 extend in one line. Theplane 35 essentially represents the longitudinal plane of symmetry of thepiston carrier 11. The connectingrod 14 is placed in theintermediate chamber 32 in such a way that it extends substantially within thisplane 35. - The connecting
rod 14 is embodied as a rectilinear component, whose connecting rod bearing 17 and bearing 19 are located within a common longitudinal center plane, which coincides approximately with the plane of symmetry of thepiston carrier 11. Thebolt 18 of thepiston carrier 11 penetrates theintermediate chamber 32, extending transversely to the plane ofsymmetry 35, and is received by both ends in the transversely spaced-apart webs piston carrier 11, in particular being fixedly located there. Thewebs piston carrier 11, together with thebolt 18, form a bearing fork for the end there of the connectingrod 14, which is received between them and is retained with thebearing 19 on thebolt 18, while the remainder of the connectingrod 14 extends freely into theintermediate chamber 32. As a result of this special disposition of the centrally placed connectingrod 14, thebearings plane 35, and not with any forces oriented transversely thereto. As a result, the service life of thebearings bearings - The connecting rod bearing 17 is seated with its inner ring firmly on the
cam 15. In the course of the connectingrod 14 between the connecting rod bearing 17 and the coupling point with thebearing 19, there is at least onevibration damper 20, which is provided in the region of the coupling point, such as the bearing 19 at that location, and/or—as shown inFIG. 1 —in the region of the connecting rod bearing 17. Thisvibration damper 20 has a vibration-damping bearingreceptacle 21, which has a vibration-damping layer 22 that is elastic, being formed in particular of rubber, synthetic rubber, or the like. The vibration-damping layer 22 has a hardness of for instance approximately 80\ Shore A. - In the exemplary embodiment shown in
FIGS. 1 and 2 , the vibration-damping bearingreceptacle 21 has a rubber spring, while in the other exemplary embodiment, not shown, thebearing receptacle 21 may be formed solely of the vibration-damping layer 22. In that case, the connecting rod bearing 17 is embedded with its outer ring directly in the vibration-damping layer 22, which in turn is located in areceptacle 23, in particular a bore, in the connectingrod 14. In the embodiment of thebearing receptacle 21 as a rubber spring, as shown, this rubber spring has twoconcentric rings rings layer 22, extending annularly, which is embodied for instance as an integrally vulcanized-on rubber layer. By means of the vibration-damping bearingreceptacle 21, the connecting rod bearing 17 is embedded in thereceptacle 23 of the connectingrod 14. The disposition of thevibration damper 20 at this point has proved to be especially advantageous. The vibration-damping layer 22 can advantageously be designed such that it has greater elasticity in the circumferential direction than in the radial direction. - In another exemplary embodiment not shown, the bearing 19 of the coupling point may also be embedded by means of a vibration-damping bearing receptacle, analogous to the
bearing receptacle 21, in the connectingrod 14 and/or in part of thepiston 10, such as thepiston carrier 11. - Because of the disposition of the at least one
vibration damper 20, very good damping of vibration that occurs during the course of motion of thepiston 10 and is transmitted via the connectingrod 14 and thebearings cam 15 is attained. Such vibration not only stresses the bearings but also causes irritating noise, which is especially unpleasant if compressors embodied in this way are installed in vehicles, for instance. Thus because of thevibration damper 20, such vibration in the region of thebearing receptacle 21 is absorbed and damped by thelayer 22, as a result of which a further reduction in noise, in fact by multiple times, is achieved.
Claims (17)
1. A double piston for a compressor, having an elongated piston carrier (11), which has one piston (12, 13) on each end, and having a connecting rod (14), extending approximately parallel to the piston carrier (11), which is coupled rotatably to the piston carrier (11) by means of a bearing (19) and is supportable, spaced apart from the coupling point, on a cam (15) of a drive mechanism by means of a connecting rod bearing (17),
wherein
the piston carrier (11), in a middle region (31) that extends between the two pistons (12, 13), has an intermediate chamber (32), dimensioned for receiving the connecting rod (14) freely movably, in which the connecting rod (14) is received freely movably.
2. The double piston as recited in claim 1 ,
wherein
the piston carrier (11) has two webs (33, 34), extending approximately longitudinally and approximately parallel to one another, between which the intermediate chamber (32) is formed and the connecting rod (14) is received.
3. The double piston as recited in claim 1 ,
wherein
the intermediate chamber (32) extends approximately within a plane (35) that is aligned with a diametral plane (36) of one piston (12) and a diametral plane (37), aligned with the latter diametral plane, of the other piston (13) and essentially represents the longitudinal plane of symmetry of the piston carrier (11), and the connecting rod (14) extends substantially within this plane (35).
4. The double piston as recited in claim 1 ,
wherein
the connecting rod (14) is embodied as a rectilinear component, whose connecting rod bearing (17) and bearing (19) are located within a common longitudinal center plane, which coincides approximately with the plane of symmetry (35) of the piston carrier (11).
5. The double piston as recited in claim 1 ,
wherein
the connecting rod (14) is retained with the bearing (19) on a bolt (18) of the piston carrier (11), and the bolt (18), extending transversely to the plane of symmetry (35), penetrates the intermediate chamber (32) and is received by both ends, and in particular is located fixedly, in the transversely spaced-apart webs (33, 34) of the piston carrier (11).
6. The double piston as recited in claim 5 ,
wherein
the spaced-apart webs (33, 34) of the piston carrier (11), together with the bolt (18), form a bearing fork for one end of the connecting rod (14), which is received between them and is retained with the bearing (19) on the bolt (18), while the remainder of the connecting rod (14) extends freely into the intermediate chamber (32).
7. The double piston as recited in claim 1 ,
wherein
a vibration damper (20) is located in the course of the connecting rod between the connecting rod bearing (17) and the coupling point (bearing 19).
8. The double piston as recited in claim 7 ,
wherein
the vibration damper (20) is provided in the region of the connecting rod bearing (17).
9. The double piston as recited in claim 7 ,
wherein
the vibration damper (20) has a vibration-damping bearing receptacle (21).
10. The double piston as recited in claim 9 ,
wherein
the vibration-damping bearing receptacle (21) has a vibration-damping layer (22).
11. The double piston as recited in claim 10 ,
wherein
the vibration-damping layer (22) of the bearing receptacle (21) is elastic, formed in particular of rubber, synthetic rubber, or the like.
12. The double piston as recited in claim 1 ,
wherein
the vibration-damping layer (22) has a hardness of 80\ Shore A.
13. The double piston as recited in claim 1 ,
wherein
the bearing receptacle is formed solely of the vibration-damping layer (22).
14. The double piston as recited in claim 1 ,
wherein
the vibration-damping bearing receptacle (21) has a rubber spring.
15. The double piston as recited in claim 14 ,
wherein
the rubber spring has two concentric rings (24, 25), in particular of metal, and between the rings (24, 25) it has an annular rubber layer (22) that is for instance integrally vulcanized on.
16. The double piston as recited in claims 1,
wherein
the connecting rod bearing (17) is embedded in the connecting rod (14) by means of the vibration-damping bearing receptacle (21).
17. The double piston as recited in claim 1 ,
wherein
the bearing (19) of the coupling point is embedded in the connecting rod (14) and/or in part of the piston carrier (11) by means of the vibration-damping bearing receptacle (21).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004020104A DE102004020104A1 (en) | 2004-04-24 | 2004-04-24 | Double piston for a compressor |
DE102004020104.8 | 2004-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050238513A1 true US20050238513A1 (en) | 2005-10-27 |
Family
ID=34934098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/102,080 Abandoned US20050238513A1 (en) | 2004-04-24 | 2005-04-08 | Double piston for a compressor |
Country Status (3)
Country | Link |
---|---|
US (1) | US20050238513A1 (en) |
EP (1) | EP1589224A1 (en) |
DE (1) | DE102004020104A1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080253710A1 (en) * | 2007-01-26 | 2008-10-16 | Jtekt Corporation | Rolling bearing device |
JP2013096345A (en) * | 2011-11-02 | 2013-05-20 | Hitachi Koki Co Ltd | Air compressor |
CN103237702A (en) * | 2010-11-30 | 2013-08-07 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Motor-pump assembly |
JP2016223338A (en) * | 2015-05-29 | 2016-12-28 | 株式会社日立産機システム | Compressor |
JP2017066896A (en) * | 2015-09-28 | 2017-04-06 | 株式会社日立産機システム | Compressor |
US20180266406A1 (en) * | 2015-12-08 | 2018-09-20 | Wabco Gmbh | Double-piston compressor of a compressed-air supply device |
US10641257B2 (en) | 2016-02-11 | 2020-05-05 | Wabco Europe Bvba | Reciprocating-piston machine, compressed-air supply installation, compressed-air supply system, and vehicle having a compressed-air supply installation |
US10704542B2 (en) * | 2016-02-11 | 2020-07-07 | Wabco Gmbh | Reciprocating-piston machine, compressed-air supply installation, compressed-air supply system, and vehicle |
US10851894B2 (en) | 2017-04-28 | 2020-12-01 | Wabco Gmbh | Compressor assembly for a compressed-air feed of a compressed-air supply system |
US11078895B2 (en) | 2017-04-28 | 2021-08-03 | Zf Cv Systems Hannover Gmbh | Compressor assembly for a compressed-air feed of a compressed-air supply system |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016001595A1 (en) | 2016-02-11 | 2017-08-17 | Wabco Gmbh | Reciprocating piston engine, in particular two- or multi-stage piston compressor, compressed air supply system, compressed air supply system and vehicle, in particular passenger car with a compressed air supply system |
DE102016013454A1 (en) | 2016-11-02 | 2018-05-03 | Wabco Gmbh | Reciprocating piston engine, in particular a two-stage or multi-stage piston compressor, compressed air supply system, compressed air supply system and vehicle, in particular a passenger car with a compressed air supply system, method for assembling and operating a reciprocating piston |
DE102016013036A1 (en) | 2016-11-02 | 2018-05-03 | Wabco Gmbh | Reciprocating piston engine, in particular one-, two- or multi-stage reciprocating compressor, compressed air supply system, compressed air supply system and vehicle, in particular car with a compressed air supply system, method for assembling a reciprocating engine and method for operating a reciprocating engine, in particular on a compressed air supply system. |
DE102018128557A1 (en) * | 2018-11-14 | 2020-05-14 | Wabco Gmbh | Reciprocating machine, compressed air supply system, vehicle and method for producing a reciprocating machine |
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US5375982A (en) * | 1991-04-10 | 1994-12-27 | Gentec B.V. | Radial pump |
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DE3340733A1 (en) * | 1983-11-10 | 1985-05-23 | Bayrisches Druckguss-Werk Thurner GmbH & Co KG, 8015 Markt Schwaben | PISTON COMPRESSOR |
DE19723748A1 (en) * | 1997-06-06 | 1998-12-10 | Franz Kriegler | High pressure steam engine |
DE19955688A1 (en) * | 1999-11-19 | 2001-05-23 | Leybold Vakuum Gmbh | Piston vacuum pump comprises a piston and a connecting rod which are joined to one another by means of an elastic unit |
EP1225332A1 (en) * | 2001-01-17 | 2002-07-24 | Fritz Haug AG | Compressor |
DE20102436U1 (en) * | 2001-02-13 | 2001-06-21 | Mueller Arnold Gmbh Co Kg | Compressed air control device |
-
2004
- 2004-04-24 DE DE102004020104A patent/DE102004020104A1/en not_active Withdrawn
-
2005
- 2005-03-07 EP EP05004916A patent/EP1589224A1/en not_active Withdrawn
- 2005-04-08 US US11/102,080 patent/US20050238513A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US3574293A (en) * | 1968-11-05 | 1971-04-13 | Joseph A Vriend | Antiknock bearing device |
US3797969A (en) * | 1972-08-21 | 1974-03-19 | Chrysler Corp | Refrigerant compressor |
US4729291A (en) * | 1986-07-18 | 1988-03-08 | Ingersoll-Rand Company | Gas compressor |
US5375982A (en) * | 1991-04-10 | 1994-12-27 | Gentec B.V. | Radial pump |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080253710A1 (en) * | 2007-01-26 | 2008-10-16 | Jtekt Corporation | Rolling bearing device |
US8038352B2 (en) * | 2007-01-26 | 2011-10-18 | Jtekt Corporation | Rolling bearing device |
CN103237702A (en) * | 2010-11-30 | 2013-08-07 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Motor-pump assembly |
US20140119961A1 (en) * | 2010-11-30 | 2014-05-01 | Continental Teves Ag & Co. Ohg | Motor-pump assembly |
JP2013096345A (en) * | 2011-11-02 | 2013-05-20 | Hitachi Koki Co Ltd | Air compressor |
JP2016223338A (en) * | 2015-05-29 | 2016-12-28 | 株式会社日立産機システム | Compressor |
JP2017066896A (en) * | 2015-09-28 | 2017-04-06 | 株式会社日立産機システム | Compressor |
US20180266406A1 (en) * | 2015-12-08 | 2018-09-20 | Wabco Gmbh | Double-piston compressor of a compressed-air supply device |
US10859075B2 (en) * | 2015-12-08 | 2020-12-08 | Wabco Gmbh | Double-piston compressor of a compressed-air supply device |
US10641257B2 (en) | 2016-02-11 | 2020-05-05 | Wabco Europe Bvba | Reciprocating-piston machine, compressed-air supply installation, compressed-air supply system, and vehicle having a compressed-air supply installation |
US10704542B2 (en) * | 2016-02-11 | 2020-07-07 | Wabco Gmbh | Reciprocating-piston machine, compressed-air supply installation, compressed-air supply system, and vehicle |
US10851894B2 (en) | 2017-04-28 | 2020-12-01 | Wabco Gmbh | Compressor assembly for a compressed-air feed of a compressed-air supply system |
US11078895B2 (en) | 2017-04-28 | 2021-08-03 | Zf Cv Systems Hannover Gmbh | Compressor assembly for a compressed-air feed of a compressed-air supply system |
Also Published As
Publication number | Publication date |
---|---|
DE102004020104A1 (en) | 2005-11-17 |
EP1589224A1 (en) | 2005-10-26 |
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