CN107288849B - Piston compressor - Google Patents
Piston compressor Download PDFInfo
- Publication number
- CN107288849B CN107288849B CN201710238163.7A CN201710238163A CN107288849B CN 107288849 B CN107288849 B CN 107288849B CN 201710238163 A CN201710238163 A CN 201710238163A CN 107288849 B CN107288849 B CN 107288849B
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- Prior art keywords
- cooler
- ventilator
- piston compressor
- compressor according
- piston
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Classifications
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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
- 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
- F04B39/06—Cooling; Heating; Prevention of freezing
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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
- 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
- F04B39/0094—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 crankshaft
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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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/06—Mobile combinations
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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
- 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
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/066—Cooling by ventilation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The present invention relates to a kind of piston compressors, comprising: compressor unit (4), the compressor unit have at least one cylinder (12), at least one described cylinder has the piston driven by crank axle (10)；And there is at least one cooler (14), at least one described cooler has internal flow path, the internal flow path is connect with the outlet of at least one cylinder (12), wherein, the cooler (14) is arranged in such a way, that is, the cooler is along the cooled passage of air in the radial direction (B) of the pivot center (X) relative to the crank axle (10).
Description
Technical field
The present invention relates to a kind of air cooled piston compressors, at least one grade and preferably with multiple
Grade.
Background technique
In piston compressor it is known that in each compressor stage being generally made of respectively piston-cylinder unit
(Verdichterstufen) outlet side arranges cooler (K ü hler) intercooler in other words, so as to cooling in compression
Heating gas.Known piston compressor is often designed such that, so that having one or more cylinders with piston
Compressor unit is connect on side with driving unit, such as electric drive motor.In electric drive motor compressor unit
Crank axle (Kurbelwelle).On the longitudinal end contrary with drive motor of compressor unit, known to these
The ventilator by crankshaft drives is disposed in compressor.Before the ventilator and/or then required cooling is arranged in back
Device.On the one hand ventilator causes cooling air to walk along compressor unit, and on the other hand cooling air is caused to be conveyed and worn
Subcooler.However, the shortcomings that arrangement is, setting is used for the perforation of crank axle on two axial end portions of crank shaft housing
Guide portion (Durchf ü hrung).In addition, not every cooler can be flowed into equably by cold ambient air.
Summary of the invention
In view of the problem, the object of the present invention is to provide a kind of improved piston compressor, the piston type compressed functions
Enough improved cooling airs that required cooler is realized under compact structure flow into.
The purpose is realized by the piston compressor with the feature recorded in claim 1.Preferred embodiment party
Formula in dependent claims, following description and drawings by obtaining.
Piston compressor according to the present invention is air cooled piston compressor and has compressor unit, the pressure
Contracting machine unit includes crank axle and one or more cylinders as chief component, and the cylinder has being arranged therein and leads to
Cross the piston of crankshaft drives.The compressor unit is driven by driving unit, the driving unit for example by electric motor or also by
Internal combustion mechanism at.Here, driving unit is preferably the component of piston compressor according to the present invention.According to the present invention, it compresses
Machine unit has at least one cylinder, at least one described cylinder has movable piston wherein.In addition, piston type compressed equipment
There is at least one cooler, at least one described cooler has internal flow path, and gas compressed can be guided to wear
The internal flow path is crossed to its cooling.For this purpose, internal flow path is connect with the outlet of at least one cylinder.If
Piston compressor should have multiple concatenated piston-cylinder units, that is to say, that multi-stag is configured to, then can be cold
But the outlet side of device connects next cylinder next compressor stage in other words.
It is important to the present invention that the new-type arrangement of cooler.Therefore, it is arranged so the cooler according to the present invention,
So that the cooler is along the cooled passage of air in the radial direction of the pivot center relative to the crank axle.Namely
Say, in cooler be arranged for cooling air opening in other words perforation guide portion transverse to crank axle pivot center or
Person says that the pivot center relative to crank axle is radially directed towards.Because cooler often has the extension of plane, in this definition
Meaning in, be radially also understood as the opening or perforation guide portion the radius extended parallel on pivot center.Institute
The advantages of stating the arrangement of at least one cooler is that at least one or more described cooler can be towards piston compressor
The cross side between the longitudinal end in piston compressor of compressor unit is directed toward in other words.Especially more along these directions
The space for arranging multiple coolers mostly is provided, so that these coolers can be all identical cooled well empty
Gas flows into.In addition, the axial end portion of compressor unit therefore can be kept freely and crank housings can be omitted when necessaryOn axis penetrate through guide portion, this is because can will be driven preferably, just as following implementation
Unit and ventilator are arranged on the identical side of compressor unit.
Preferably, piston compressor according to the present invention is multistage, that is to say, that is for example configured to three-level or level Four.
It may, however, also be other series.In the multi-stag design scheme, piston compressor preferably has multiple cylinders, these
Cylinder is respectively provided with the piston by crankshaft drives, these cylinders have cooler attaching, connecting on outlet side with the cylinder.
That is, be provided with multiple, namely at least two coolers in this design scheme, these coolers in the above described manner this
It arranges to sample, so that these coolers are along the lateral direction in other words radially of pivot center relative to crank axle by cooling down sky
Air percolating.In the case where arranging multiple coolers, these coolers can for example be arranged in two of piston compressor or
On more cross sides away from each other, so that these coolers can be all towards ambient enviroment and can be with identical good
Ground is flowed by cooling air.
It is preferably arranged so piston compressor, so that the pivot center horizontal extension of crank axle crank axle in other words.
In this arrangement, cooler can be for example arranged on the cross side of piston compressor the right, the left side, top and under
Side.At this, it is understood that cooler need not be arranged on all these cross sides being previously mentioned, this depends on being provided with more
Few cooler.Piston compressor according to the present invention alternatively also can have the perpendicular of the crank axle in other words of pivot center
Straight arrangement.
One or more of coolers preferably arrange in this wise so that they radially with piston compressor
The longitudinal axis as defined by the pivot center of crank axle is spaced apart, and outer surface is preferably parallel to this in other words with their outside
A little longitudinal axis extend.
Preferably, the flow direction of the cooling air passes through at least one described cooler, that is wears when necessary
The multiple cooler is crossed, radially from outside to inside towards the longitudinal axis of the pivot center of crank axle piston compressor in other words
Line is directed toward.The arrangement this have the advantage that, fresh ambient air can be inputted to cooler from outside, so that real
The cooling of optimization is showed.When multiple coolers are when the peripheral side of piston compressor is arranged with being distributed on cross side in other words,
Therefore these coolers can all be supplied to cooling of the fresh ambient air to them in the same manner.
Preferably, the piston compressor has at least one ventilator, described at least one ventilator generate across
The cooling air of at least one cooler flows.Ventilator is preferably arranged in this wise, so that ventilator suction air is worn
One or more of coolers are crossed, so that cooling air flows first through one or more of coolers and then
Flow through the ventilator.
Further preferably, at least one described ventilator is axial ventilator, the axial ventilator around being parallel to or
Along the ventilator pivot axis that the pivot center of the crank axle extends, and for its driving, further preferably quilt
It is fastened directly on the crank axle.By means of axial ventilator, the uniform air from all radial directions may be implemented
Flow through cooler.Furthermore, it is possible to axial air flow is generated in the outflow side of ventilator just as set forth below,
The axial air flow can be used for the further cooling of piston compressor.Ventilator, also is directly driven by crank axle
It is to say that ventilator is directly arranged at crank axle in other words, causes particularly simple structure.
It is particularly preferred that ventilator is arranged on the flywheel of compressor unit and further preferably constitutes the composition of flywheel
Part.It is particularly likely to, ventilator itself forms flywheel.The design scheme leads to particularly compact structure, this is because flying
Wheel and ventilator are integrated in one unit.Alternatively, ventilator and flywheel are also possible to separated component.
It is further preferred that ventilator is configured to axial ventilator and arranges in this wise, so that the axial ventilator exists
Outlet side generates the air stream for flowing into compressor unit.This air stream can flow and at that on the outside of compressor unit
In directly cooling compressor unit cylinder.That is, the air stream as caused by ventilator ideally cools down cooler first, so
Ventilator is flowed through afterwards and be used to cool down the outside of the cylinder in the outflow side of ventilator.
Piston compressor further preferably has shell and/or flowing induction element, these flow induction elements cloth in this wise
It sets, so that the guidance of cooling air flowing is embodied as, passes through at least one described cooler or when necessary multiple coolers.It is this
Shell and/or flowing induction element can especially cause, and the flowing of cooling air is extended in a radial direction first across described one
Then a or multiple coolers simultaneously in axial direction further extend through the ventilator for being configured to axial ventilator.In addition,
It can be to avoid undesirable shunting, so that preferably substantially by ventilator in the design scheme of shell being closed accordingly
Generated entire air stream is directed through one or more of ventilator.
One or more of coolers can especially form at least one for surrounding the wall portion of shell of the ventilator
Section.Here, ventilator aspirates air in the inside of shell, therefore air can be formed through the multiple portions of housing wall portion
Cooler be flowed into shell from outside.
It is particularly preferred that the shell has at least four sides, in these sides, at least one side and preferably all
At least one cooler is respectively arranged on these sides.When shell tool is there are four when side, which preferably has transverse to pressure
The longitudinal axis of contracting the machine rectangle of the pivot center of crank axle, especially square cross section in other words.It is cold in the cross section
But device extends then along rectangle lateral edges square in other words.It is cold that four side surfaces are particularly well applicable for arrangement four
But device, just as them for example in level Four formula compressor, there are four concatenated piston-cylinder lists for level Four formula compressor tool
Member.Multiple cooler serial or parallel connections can also be arranged.When being provided with less than four coolers, the one or more of shell
Side surface keeps no cooler, these side surfaces can be then closed by wall elements.It is more than four compressors for being provided with
Grade and the case where shell tool is there are four side, also it is possible that arranging two coolers on the side of these sides, wherein institute
It states two coolers and then preferably arranges in this wise and design in other words, so that they are nevertheless, both in an identical manner
Cooled air is flowed into from outside.This can especially be realized under conditions of using chimney cooler.
When multiple coolers are arranged, the multiple cooler is preferably arranged and is designed in this wise, so that the multiple
Cooler is directed to the flowing flow resistance substantially having the same of cooling air.It is ensured that when being provided with for generating
When the central ventilated device of cooling air stream, which flows uniformly across all cooler suction cooling airs and passes through institute in other words
There is cooler to guide cooling air, so that equably described cold with required cooling air supply in the same manner in other words
But device.
At least one described cooler may be constructed such that block formula cooler (Blockk ü hler) or chimney cooler.When
There are when multiple coolers, these coolers can be to be either all configured to chimney cooler or all be configured to block
Formula cooler.Alternatively also it is possible that when arranging multiple coolers, a part of chiller configuration be block formula cooler and
A part of chiller configuration is chimney cooler.When arranging multiple coolers on the side of described shell before, pipe
Formula cooler is especially suitable, this is because required pipe bending section (Rohrwindungen) can be staggered in this wise or
It says and is arranged side by side, so that they are cooled down by cooling air stream in an identical manner.In addition, chimney cooler is to have for hiigh pressure stage
Benefit, for hiigh pressure stage, block formula cooler no longer has required compression strength.Additional available when using block formula cooler
Be such as another grade of one or more chimney coolers are additionally arranged (about longitudinal axis) on radial inside because
When arranging multiple pieces of formula coolers on the outside of shell, sufficiently remained in space inside housings other for arranging
The space of cooler, especially chimney cooler.Therefore keep obtaining the particularly compact design scheme of cooler arrangement.Tubular type
Cooler when necessary can in known manner by band fin (berippt) or without fin in a manner of construct.
Just as described above, piston compressor according to the present invention preferably has the driving unit of driving crank axle, institute
State driving unit for example can by electric motor or internal combustion mechanism at.Herein preferably, at least one described cooler is arranged in
In region between driving unit and compressor unit.For this purpose, the pivot center of driving unit and compressor unit along crank axle
Direction is separated from each other in this wise, so that preferably remaining the space for shell middle casing in other words between them, just
As being described as before.One or more coolers can be arranged on the outside of the shell.Here, the shell is preferably
For making the air stream radially flowed across cooler be diverted in inside and be guided through when necessary and being arranged in
Ventilator in enclosure interior, just as having described above.Cooler is arranged between driving unit and compressor unit
Region in mean only that: cooler in axial direction sees the area being arranged in as follows (along the direction of crankshaft rotation axis)
In domain, the region be in driving unit between the axial position of compressor unit.Here, one or more of coolers
It can radially be obtained completely (about pivot center) with pivot center interval than driving unit and/or compressor unit outside
It is farther.
Preferably, shell is equipped with the ventilator being arranged therein, and is arranged in a manner of having described above in the ventilator
The cooler, wherein the shell is arranged between driving unit and compressor unit.Here, driving the axis of crank axle from drive
Moving cell, which sets out, to be extended through the shell and preferably similarly carries the ventilator, and the ventilator is just as having described above
Like that can the flywheel of adapter tube compressor simultaneously function.When ventilator is configured to axial ventilator, in the shell
Pass radially through the steering in axial direction passing through ventilator of the air stream of one or more of cooler flowings.Institute
It states shell and is preferably configured to base other than the flow openings in one or more of coolers in the suction side of ventilator
It is closed on this, so that it is preferred that the whole cooling airs conveyed by ventilator are directed through one or more of coolings
Device.Radial ventilation device alternatively also can be used, which for example in axial direction aspirates air and radially
Blow out air, so that the air radially blown out is especially radially externally directed through the cooling from inner radial
Device.
It is particularly preferred that shell is substantially configured to be closed and have for the sky as caused by ventilator towards driving unit
Outflow opening of at least one of air-flow towards compressor unit.In the arrangement, cooling air is passed through institute by ventilator
State one or more coolers be drawn into shell and in outflow side, that is ventilator on the pressure side on towards compressor list
Member blows cooling air, wherein the cooling air can in axial direction floodThe compressor list
The outside of member simultaneously can cool down the cylinder in a known way there.These cylinders can in order to preferably radiate and in a known way
It is configured to band fin.
Detailed description of the invention
It is exemplary below to describe the present invention with reference to the accompanying drawings.It shows in the drawings:
Fig. 1 shows the side view of piston compressor according to the present invention；
Fig. 2 shows the perspective view of the piston compressor according to Fig. 1 from the point of view of compressor unit side；
Fig. 3 shows the top view of the piston compressor according to Fig. 1 and 2 from compressor unit side；And
Fig. 4 is shown across the longitudinal section according to the piston compressor of Fig. 1-Fig. 3.
Reference signs list:
2 driving units
4 compressor units
6 middle casings
8 crank housings
10 crank axles
12,12a, 12b, 12c cylinder compressor stage in other words
13 pipelines
14 coolers
16 interfaces
18 air filters
20 driven shafts
22 connectors (Kupplung)
44 flywheels ventilator in other words
46 wall portions
48 openings
50 end faces
A, the flow direction B
X longitudinal axis and pivot center
Specific embodiment
Shown piston compressor according to the present invention consists essentially of three units.Piston type according to the present invention
Compressor includes: the driving unit 2 being made of in this example electric drive motor；Compressor unit 4；And it is arranged in driving list
Shell or middle casing 6 between member 2 and compressor unit 4.Thus cooler required for middle casing 6 accommodates simultaneously is constituted cold
But unit.
Compressor unit 4 has crank housings 8, and horizontal-extending crank axle 10 is arranged in the crank shell in this example
In body 8.Crank axle 10 drives in the cylinder 12 unshowned piston herein.Cylinder 12 is arranged to song in other places in known manner
On handle shell 8.In the example shown in this, four cylinders 12 (12a, 12b, 12c) are arranged in crank housings 8, wherein two cylinders
12a (in figure 2 and figure 3, cylinder 12a outside) is concurrently coupled as entrance grade low-pressure stage in other words.Two other cylinder 12b
It successively connects with 12c relative to them and constitutes medium pressure grade 12b and hiigh pressure stage 12c.Cylinder 12 in Fig. 1-Fig. 3 by being not shown
Pipeline 13 be connected to each other, wherein connection between these cylinders is intermediate in other words by the cooler being arranged on middle casing 6
Cooler 14 is realized.These coolers 14 are respectively provided with internal flow path, and the internal flow path respectively terminates in interface
16.Unshowned pipeline 13 is connected to interface 16 in Fig. 1-Fig. 3, these pipelines establish the company with the entrance and exit of cylinder 12
It connects.Thus, for example each cylinder 12a is connect with the first interface 16 of a cooler 14 respectively using its egress line.These are cold
But the interface 16 of device to work as outlet is connect with the entrance of cylinder 12b again, and the outlet of cylinder 12b and another cooler 14
The interface 16 to work as entrance connects.The cooler 14 as the interface 16 that works of the outlet entrance with cylinder 12c again
Connection, the outlet of the cylinder is connect with the interface 16 of the 4th cooler 14 to work as entrance.The of 4th cooler 14
Two interfaces 16 then indicate the outlet of entire compressor unit entire piston compressor in other words.Enter in other words as the first order
The cylinder 12a that mouth grade works aspirates air from ambient enviroment by air filter 18.
In the inside of middle casing 6, the driven shaft 20 of driving unit 2 is connect with flywheel 44.Flywheel 44 again torsionally with
Crank axle 10 connects.
Flywheel 44 is configured to ventilator axial ventilator in other words simultaneously in this embodiment.Middle casing 6 transverse to
The rotational axis x for constituting piston compressor longitudinal axis X of crank axle 10 have square cross section, four of the cross section
Side surface is made of four coolers 14.Middle casing 6 on its axial side for facing driving unit 2 by wall portion 46 substantially
Closure.The axial ventilator being made of flywheel 44 is designed such that, so that the axial ventilator turns in the specified of crank axle 10
Air stream is generated in the case where dynamic direction, arrow A of the air stream from driving unit 2 to compressor unit 4 in Fig. 1 and Fig. 4
Direction orientation.Middle casing 6 has 48 (see Fig. 2 and 3) of opening on the axial side for face compressor unit 4, passes through these
Opening, the cooling air stream generated by ventilator 44 can go out and therefore can flow along cylinder 12 to use in the direction of arrow A
With the cooling cylinder.The cooling air conveyed by ventilator 44 is drawn through four coolers in the direction of arrow B
14, this four coolers form the side of middle casing 6 circumferential wall portion in other words.That is, for cooling down cooler 14
Cooling air radially enters in cooler 14 transverse to longitudinal axis X in other words from outside, and passes through cooler 14
It flows in the inside of middle casing 6.The steering flowed to ventilator 14 is carried out in the middle casing, so that air
Then ventilator 14 is flowed out along axial flow direction A.It is ensured by cooler arrangement 14, gives institute in the same manner from external
There are four coolers 14 to input cooling air.Therefore all four coolers 14 can equably be cooled down.In order to guarantee all four
The uniform percolation of a cooler 14, it is preferred that cooler 14 is designed such that, so that these coolers substantially have
Identical flow resistance.In addition, the advantages of arrangement is, crank housings 8 merely have to guide with the perforation for crank axle 10
Portion, this is because the ventilator is arranged on the following identical side of crank housings 8 in the form of flywheel 44, on the side
Provided with driving unit 2.Expose contrary end face 50, is enable to from the side well close to the compressor
Unit 4, this simplifies maintenances.
Very compact arrangement of the cooler 14 on middle casing 6 is generally realized as a result, which, which ensure that, wears
Cross the uniform cooling air flowing of all four coolers 14., it is understood that the corresponding arrangement of cooler 14 can also be with
In the case where being used in more than four cylinders 12 in other words compressor stage.It may be thus possible, for example, to the cloth on the side of middle casing 6
Set two coolers 14.In the example shown, four coolers 14 are configured to block formula cooler.However, replacement block
Formula cooler 14 can also arrange the one or more of the coil in coiling on the side or multiple sides of middle casing 6
Chimney cooler.Such chimney cooler is especially suitable for hiigh pressure stage, this is because these chimney coolers are more cooling than block formula
Device more compressive resistance.In addition, these chimney coolers can realize that two coolers are arranged in middle casing 6 in a simple manner
On the same side, so that two coolers are equably cooled, air streamsHowever it is also feasible
It is to arrange two coolers radially superposedly horizontally (liegend) about the longitudinal axis X on side, wherein herein may be used
To consider, the cooler built in radial direction is in radial external cooler downstream along the direction of cooling air stream.Middle casing 6
The internal space sufficiently having for arranging this more coolers, the general construction without expanding piston compressor are big
It is small.
Claims (17)
1. a kind of piston compressor, comprising: compressor unit (4), the compressor unit have at least one cylinder (12), institute
Stating at least one cylinder has the piston driven by crank axle (10)；And there is at least one cooler (14), described at least one
A cooler has internal flow path, and the internal flow path is connect with the outlet of at least one cylinder (12),
It is characterized in that,
The cooler (14) is arranged to, so that the cooler is in the pivot center (X) radial to the crank axle (10)
Direction (B) on be cooled passage of air, and the flow direction of the cooling air passes through at least one described cooler
(14) radially the pivot center (X) of (B) from outside to inside towards the crank axle (10) extends.
2. piston compressor according to claim 1, which is characterized in that
The piston compressor has multiple cylinders (12), and the cylinder is respectively provided with the piston driven by the crank axle (10),
Wherein, each cylinder in the cylinder (12) is connect in outlet side with cooler (14), and the cooler (14) is arranged to,
The cooler cooled passage of air on the direction (B) of the pivot center (X) radial to the crank axle (10).
3. piston compressor according to claim 1, which is characterized in that
The piston compressor has at least one ventilator (44), described at least one ventilator generate across it is described at least
The cooling air flowing of one cooler (14).
4. piston compressor according to claim 3, which is characterized in that
At least one described ventilator (44) is axial ventilator, and the axial ventilator is surrounded and is parallel to or along the crank
The pivot axis that the pivot center (X) of axis (10) extends.
5. piston compressor according to claim 4, which is characterized in that
The axial ventilator is secured directly on the crank axle (10) to drive the ventilator.
6. piston compressor according to claim 3, which is characterized in that
The ventilator is arranged on the flywheel (44) of the compressor unit (4).
7. piston compressor according to claim 6, which is characterized in that
The ventilator is the component part of the flywheel (44).
8. the piston compressor according to any one of claim 3 to 7, which is characterized in that
The ventilator (44) is configured to axial ventilator and is arranged to, so that the axial ventilator is generated in outlet side
Flow into the air stream of the compressor unit (4).
9. piston compressor according to any one of claim 1 to 7, which is characterized in that
There are the piston compressor shell (6) and/or flowing induction element, the flowing induction element to be arranged to, make
The guidance for obtaining cooling air flowing is embodied as across at least one described cooler (14).
10. the piston compressor according to any one of claim 3 to 7, which is characterized in that
The cooler (14) forms at least one section for surrounding the wall portion of shell (6) of the ventilator (44).
11. piston compressor according to claim 10, which is characterized in that
There are the shell (6) at least four sides to arrange at least one cooler (14) at least side in the side.
12. piston compressor according to claim 11, which is characterized in that
At least one cooler (14) is respectively arranged on all sides.
13. piston compressor according to any one of claim 1 to 7, which is characterized in that
The piston compressor has multiple coolers (14), and the multiple cooler is designed to, so that the multiple cold
But device is directed to the flowing flow resistance substantially having the same of cooling air.
14. the piston compressor according to any one of preceding claims 1 to 7, which is characterized in that
At least one described cooler is block formula cooler (14) or chimney cooler.
15. piston compressor according to any one of claim 1 to 7, which is characterized in that
The piston compressor has the driving unit (2) for driving the crank axle (10), wherein at least one described cooling
Device (14) is arranged in the region between the driving unit (2) and the compressor unit (4).
16. the piston compressor according to any one of claim 3 to 7, which is characterized in that
The piston compressor has the driving unit (2) of shell (6) and the driving crank axle (10), and with described
The shell (6) of ventilator (44) is arranged between the driving unit (2) and the compressor unit (4).
17. piston compressor according to claim 16, which is characterized in that
The shell (6) be configured to it is substantially closed towards the driving unit (2), and have for by the ventilator
(44) air stream caused by, outflow opening (48) that at least one is towards the compressor unit (4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16164830.8A EP3232058B1 (en) | 2016-04-12 | 2016-04-12 | Piston compressor |
| EP16164830 | 2016-04-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107288849A CN107288849A (en) | 2017-10-24 |
| CN107288849B true CN107288849B (en) | 2019-08-13 |
Family
ID=55745656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710238163.7A Active CN107288849B (en) | 2016-04-12 | 2017-04-12 | Piston compressor |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3232058B1 (en) |
| JP (1) | JP6612801B2 (en) |
| KR (1) | KR101955457B1 (en) |
| CN (1) | CN107288849B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1040172B (en) * | 1955-07-30 | 1958-10-02 | Elektron Co M B H | Air-cooled compressor with two or more cylinders |
| US5020973A (en) * | 1986-04-25 | 1991-06-04 | The Scott & Fetzer Company | Air compressor shroud |
| EP0503139A2 (en) * | 1991-03-08 | 1992-09-16 | Peter Wilms | Compressor for a silo |
| CN104533839A (en) * | 2014-12-31 | 2015-04-22 | 浙江鸿友压缩机制造有限公司 | Axial flow type air compressor cooling fan with radial circulation openings |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB216157A (en) * | 1923-05-17 | 1924-11-06 | Marcel Pretot | Arrangement for cooling air-compressors and improving the output therefrom |
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2017
- 2017-03-10 JP JP2017045559A patent/JP6612801B2/en active Active
- 2017-04-11 KR KR1020170046712A patent/KR101955457B1/en active IP Right Grant
- 2017-04-12 CN CN201710238163.7A patent/CN107288849B/en active Active
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| DE1040172B (en) * | 1955-07-30 | 1958-10-02 | Elektron Co M B H | Air-cooled compressor with two or more cylinders |
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| EP0503139A2 (en) * | 1991-03-08 | 1992-09-16 | Peter Wilms | Compressor for a silo |
| CN104533839A (en) * | 2014-12-31 | 2015-04-22 | 浙江鸿友压缩机制造有限公司 | Axial flow type air compressor cooling fan with radial circulation openings |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101955457B1 (en) | 2019-05-16 |
| CN107288849A (en) | 2017-10-24 |
| KR20170116968A (en) | 2017-10-20 |
| EP3232058B1 (en) | 2018-08-01 |
| EP3232058A1 (en) | 2017-10-18 |
| JP6612801B2 (en) | 2019-11-27 |
| JP2017190771A (en) | 2017-10-19 |
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