CN105793566B - Cylinder head for air compressor - Google Patents
Cylinder head for air compressor Download PDFInfo
- Publication number
- CN105793566B CN105793566B CN201480064325.4A CN201480064325A CN105793566B CN 105793566 B CN105793566 B CN 105793566B CN 201480064325 A CN201480064325 A CN 201480064325A CN 105793566 B CN105793566 B CN 105793566B
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- cylinder head
- annular groove
- suction
- air
- passage
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- 230000006835 compression Effects 0.000 claims abstract description 30
- 238000007906 compression Methods 0.000 claims abstract description 30
- 239000000498 cooling water Substances 0.000 claims abstract description 26
- 210000002421 cell wall Anatomy 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000003989 dielectric material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 239000003570 air Substances 0.000 description 54
- 239000007789 gas Substances 0.000 description 15
- 239000012530 fluid Substances 0.000 description 13
- 238000001816 cooling Methods 0.000 description 11
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 108091006146 Channels Proteins 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 102000010637 Aquaporins Human genes 0.000 description 2
- 108010063290 Aquaporins Proteins 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- F04B39/06—Cooling; Heating; Prevention of freezing
-
- 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
- F04B39/064—Cooling by a cooling jacket in the pump casing
-
- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/125—Cylinder heads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention relates to a kind of cylinder head (10 for air compressor, 50, 90, 130), it is with least one suction passage (12 for being used to suck uncompressed air from surrounding environment, 52, 92, 132) and at least one it is used to discharge the pressure channel of compressed air, and also there is cooling-water duct (14, 16, 54, 56, 94, 96, 136), wherein, at least one suction passage (12, 52, 92, 132) can be arranged in by least one (18 on the downside of cylinder head, 58, 98, 138) suction piece (20 on, 60, 100, 140) relative to compression chamber (22, 62, 102, 142) close to pressure seal.Provide according to the present invention, at least one suction passage (12,52,92,132) is surrounded in the form of section by the substantially concentric annular groove (26,66,106,146) close to suction piece.As such, it is advantageous to reduce the heating from surrounding environment by the air at least one suction passage (12,52,92,132) inflow cylinder head (10,50,90,130).
Description
Technical field
The present invention relates to a kind of cylinder head for air compressor, it is used to suck from surrounding environment with least one
The suction passage of uncompressed air and at least one pressure channel for being used to discharge compressed air, and also have cold
But aquaporin, wherein, at least one suction passage can by least one suction piece being arranged on the downside of cylinder head relative to
Close to compression chamber pressure seal.
Background technology
For producing the compressor of compressed air particularly for the Pneumatic braking system in motor vehicles and rail vehicle
Operation.In order to realize high efficiency, the ambient air sucked by compressor should before the compression chamber in reaching compressor
Heating as few as possible.Heat input in the cylinder head of compressor is mainly caused by the compression heat discharged in compression chamber.
In this case, its heat is forcibly discharged into suction air by the cylinder head to heat up strongly, and the suction air is usual
Compression chamber is guided at least one suction passage inside cylinder head.Herein, in suction passage towards the open region of suction piece
The especially strong heat occurred in domain into suction air is brought into.The reduction of intake air temperature also causes compression final at the same time
Temperature is remarkably decreased, this has the advantages that known to those skilled in the art.
698 26 381T2 of DE are related to a kind of piston compressor, it, which has, is used for compressed gas or admixture of gas (example
Such as air) water cooling cylinder head.Compressor has cylinder head, which has suction air enter opening and discharge sky
Gas outlet opening.The cylinder head of gas compressor is made of the aluminium with high thermal conductivity.In addition, in inner side structure on cylinder head
Made air cooling fin and be adjacent to cooling fin and be configured with flow passage, so as to by the compression heat of release by cylinder
Head is drawn out in surrounding environment.Multiple water-cooling channels are introduced in order to further optimize cooling in cylinder head, and will one
The cooling fin of construction is arranged in the flow path of discharge air.Do not propose to be used to be largely avoided to pass through suction
The elevated device of temperature for the ambient air that air enter opening flows into.
The content of the invention
The task of the present invention is a kind of cylinder head for compressed air compressor of proposition, wherein, largely keep away
Exempt to suck temperature rise when air passes through suction passage.The present invention based on the realisation that, i.e. suction air cylinder head suction
Entering the undesirable heating in passage area can be reduced in passive manner by setting to be thermally isolated.
Present invention is accordingly directed to a kind of cylinder head for air compressor, it is used for from surrounding environment with least one
The suction passage of uncompressed air and at least one pressure channel for being used to discharge compressed air are sucked, and is also had
There is cooling-water duct, wherein, at least one suction passage can pass through at least one suction piece phase being arranged on the downside of cylinder head
Closed for compression chamber pressure seal.In order to solve the task, it is proposed that at least one suction passage in the form of section by by
The substantially concentric annular groove of nearly suction piece surrounds.
Especially realized by the structure and the temperature rise of the extraneous air flowed into suction passage is kept as very little.It is logical
The poor heat transfer number for crossing suction piece also achieves suction passage being thermally isolated relative to compression chamber.Serve the annular groove that is thermally isolated with
Conventional cylinder head is compared the temperature for the compressed air for causing the pressure channel by gas compressor to discharge or is compressed final
Temperature significantly reduces, and therefore also results in the oil consumption that may be significantly smaller and result in equipped with cylinder according to the present invention
The carbonization tendency of the reduction of the air compressor of head.Volume of air flow by the smaller produced in addition, can also not change
The required Mechanical Driven power of compressor is reduced in the case of variable compression power.
According to an expedients scheme, propose annular groove at least partially with the Filled Dielectrics being thermally isolated.It is such
Medium may, for example, be air or porous, preferably closed pore plastics.By the structure, even in relatively small annular groove
It can also be realized in the case of volume and good effect be thermally isolated.
According to another improvement project, annular groove has two cell walls for being substantially parallel to each other extension.Due to annular groove
The cross-sectional geometry of substantial rectangular, the production process of annular groove are simplified.Therefore can be for example by milling pre-
First pass through in the cylinder head of casting method production and introduce annular groove.
Another improvement project according to the present invention, the slot bottom of annular groove have substantially semicircular cross section geometric form
Shape.Stress cracking is formed in cylinder head as such, it is advantageous to avoid.
In the first embodiment of cylinder head, annular groove has the opening referred to from least one suction piece.Thus, annular groove
The flow direction of air of the opening with being sucked by suction passage be relatively orientated, so as to thus be produced faster in annular groove
Air exchange.By the air exchange, the air in annular groove always has relatively low temperature.
In an expedients scheme, the slot bottom of annular groove has at least one direction towards at least one suction piece
Perforation.Thus, it is possible to the condensate that will likely be accumulated in annular groove and/or oil from otherwise only up it is open, namely from
Suction piece refer to from annular groove carrying-off.
According to the second embodiment of cylinder head, annular groove has the opening towards at least one suction piece.Accordingly, it is possible to
Condensate and/or oil can with merely due to gravity and automatically flow away from thus self-cleaning annular groove.
In another refinement, there are at least one micro- between the slot bottom and at least one cooling-water duct of annular groove
Small spacing.Therefore, the temperature of existing (thin) material baffle corresponds approximately between annular groove and cooling-water duct
The temperature of cooling water in adjacent cooling-water duct.Herein, which can be reduced to several millimeters, as long as also producing cylinder
Enough mechanical load-bearing capabilities of head.
In the case of the 3rd embodiment of cylinder head according to the present invention, annular groove has at least two openings, this
Two openings alternately refer to from or towards at least one suction piece from least one suction piece respectively.Pass through the alternately phase of annular groove
The anti-opening being orientated supports oily and/or condensate flow away.Therefore, can be by the section of annular groove, (its opening refers to from suction
Piece is directed toward on the contrary with the flow direction of the air of suction upward) in accumulation oil and/or condensate in annular groove
Carrying-off in the adjacent sections of opening with opposed orientation (i.e. downwards), being orientated in flow direction.
Set according to the 4th embodiment of cylinder head, at least one control passage can be used for air by least one
The slide plate of the power adjusting of compressor covers at least in part, and annular groove has towards at least one suction piece and at least one
The opening of a slide plate, wherein, annular groove extends at least in the form of section in the region of at least one control passage.Thus, may be used
More easily to consider the concrete structure condition of cylinder head, and can efficiently be shielded due to annular groove effect is thermally isolated
Such as from control passage and otherwise can enter into passage heat input.By being in connection with control passage
In dead volume (Todvolumen) either lose volume compression chamber dependent on slide plate position increase or reduce.Thus, may be used
To realize low-loss power adjusting of the air compressor equipped with cylinder head according to the present invention.
Cylinder head is preferably formed by aluminium or by aluminium alloy.Therefore, cylinder head has outstanding thermal characteristics, especially has
Good thermal conductivity, it is used for the support of direct or active role the optimization of the water cooling to being integrated in cylinder head.Herein,
Directly or Active Cooling System obtain annular groove in suction passage region play indirect or passive cooling effect effect is thermally isolated
The support of fruit.
Brief description of the drawings
In order to which the present invention is explained further, this specification has attached drawing.In the accompanying drawings：
Fig. 1 shows the schematic vertical sectional view of the first embodiment of cylinder head,
Fig. 2 shows the schematic vertical sectional view of the second embodiment of cylinder head,
Fig. 3 shows the schematic vertical sectional view of the 3rd embodiment of cylinder head,
Fig. 4 shows the schematic vertical sectional view of the 4th embodiment of cylinder head, and
Fig. 5 shows the schematic diagram of the mode of action of the present invention.
Embodiment
Fig. 1 correspondingly shows the highly simplified longitudinal section of the first embodiment of cylinder head 10 according to the present invention.
Cylinder head, which especially has, is used to sucking air to be compressed from surrounding environment that either other gases or admixture of gas to be substantially
The suction passage 12 of hollow cylindrical, two cooling-water ducts 14,16 and the pressure channel not shown in figure, pass through the pressure
Passage draws compressed air from cylinder head 10.Pass through the suction piece arranged with being moved on the downside 18 of cylinder head 10
20, can be by relative to 22 pressure seal of compression chamber the locking of suction passage 12.Herein, air to be compressed leads to from surrounding environment
The suction for crossing suction passage 12 is carried out along flow direction 24 indicated by an arrow.
According to the present invention, suction passage 12 has annular groove 26 that is close to suction piece and concentrically surrounding it, should
For annular groove with heat-insulated Filled Dielectrics as well as possible, which is exemplarily only the air from surrounding environment herein.Ring
Shape groove 26 has two cell walls 28,30 for being substantially parallel to each other extension, these cell walls are with the vertical section geometry of approximate half-circular
Shape transition is to slot bottom 32.Annular opening 34 in annular groove 26 is reverse with flow direction 24 in other words away from suction piece 20.
In order to which the oil residue that enables possible condensate and/or deposit in the conceived case is in the slot bottom 32 of annular groove
Flow away in region from annular groove 26, at least one optional perforation 36 is introduced in slot bottom 32.By 36 dimensional orientation choosing of perforating
It is selected to so that suction piece 20 independent of its position makes perforation 36 be sealed relative to compression chamber 22 all the time.
Because annular groove 26 fully concentrically surrounds suction passage 12 in the end section 38 towards suction piece 20, because
In the region of the end section 38 of suction passage 12, suction passage 12 is efficiently thermally isolated relative to cylinder head 10 for this, so that
The undesirable heat for greatly limiting the cylinder head 10 for carrying out self-heating is input to the sky that compression chamber 22 is reached by suction passage 12
In gas.Further, since the geometry of the approximate hollow cylindrical of annular groove 26, in the end section 38 and cylinder of suction passage 12
Relevant heat bridge is not actually existed between first 10.
Cylinder head 10 is preferably formed by the aluminium alloy with thermal conductive resin or by fine aluminium, efficiently to support from gas
Cylinder head 10 arrives the heat dissipation of surrounding environment, and reduces the risk of thermal stress.In addition, cylinder head can made of aluminium alloy or fine aluminium
Relatively simply to produce and process in terms of production technology, there is small weight and still realize enough mechanically supported energy
Power.
Being thermally isolated by suction piece 20 to realize between compression chamber 22 and suction passage 12, the suction piece have relatively poor
Thermal conductivity has high heat-insulating capability in other words, so as to efficiently support or supplement below the heat-blocking action of annular groove 26.
Since same center surrounds the outstanding heat-blocking action of the annular groove 26 of suction passage 12, largely prevent
The undesirable heating of the air of suction, and significantly reduce the compression final temperature of compressed air.This especially causes
Oil consumption reduces, and cause for produce compressed air or other compressed gas and/or admixture of gas equipped with root
According to the present invention cylinder head 10 compressed air compressor in other words compressor less carbonization be inclined to.Exist with annular groove 26
Here the merely illustrative concentric arrangement that shows is different, can also be selected according to the corresponding construction condition of cylinder head 10 relative to
The slightly eccentric arrangement of suction passage 12.
Fig. 2 shows the longitudinal section view of the highly schematic of the second embodiment of cylinder head 50 according to the present invention.Gas
Cylinder head 50 has the suction passage 52 and two cooling-water ducts 54,56 of hollow cylindrical.The also cloth on the downside 58 of cylinder head 50
Be equipped with the cephalomotor suction piece 60 of cylinder, suction piece can close suction passage 52 relative to 62 pressure seal of compression chamber relatively.Week
Enclose surrounding air streamwise 64 and compression chamber is drawn into the case where suction piece 60 is opened enough to width by suction passage 52
In 62.Annular groove 66 substantially concentrically around the close suction piece of suction passage 52 includes two cell walls 68,70 and one
Slot bottom 72 with semicircle vertical section geometry.
Different from the first embodiment shown in Fig. 1, the opening 74 of circular annular groove 66 is arranged towards suction piece 60, thus
Simplify annular groove 66 excretion, this is because wherein may accumulation condensate and/or oil residue can due to gravity and
Flow away easily.By preferably completely filling the annular groove 66 of air, the end section 76 of suction passage 52 is carried out relative to gas
Cylinder head 50 it is heat-insulated, thus largely suppress from surrounding environment suction air heating.
The wall thickness of small spacing 78 very little in other words is only existed between slot bottom 72 and cooling-water duct 54, so that annular
The temperature of existing material baffle 80 is approximately equivalent to adjacent cooling-water duct 54 between 66 and first cooling-water duct 54 of groove
In cooling water temperature.This is equally applicable to the second cooling duct 56 relative to annular groove 66.
Fig. 3 shows the schematic longitudinal sectional of the 3rd embodiment of cylinder head 90 according to the present invention, it illustrates Fig. 1
With the combination of two embodiments of Fig. 3.Cylinder head 90 has suction passage 92 and two cooling-water ducts 94,96.In cylinder
Movable suction piece 100 is disposed with first 90 downside 98, which realizes suction passage 92 relative to gas in corresponding posture
The closing of the pressure seal of the compression chamber 102 of cylinder head 90.Air from surrounding environment is sucked on flow direction 104 again
In compression chamber 102.The annular groove 106 that suction passage 92 surrounds in the end section 118 of its suction piece side with center is caused to inhale
Enter the heat-insulated of passage 92.The cell wall 108,110 and have respectively that annular groove 106 equally extends parallel to each other including two approximations
The first slot bottom 112 and the second slot bottom 113 of semicircle vertical section geometry, slot bottom is relative to one another and with regard to flow direction
It is oppositely oriented for 104.
As the significant difference with the first two embodiment, annular groove 106 has two openings being orientated toward each other
114、116.First opening 114 is arranged away from suction piece 100 herein, and the second opening 116 is arranged towards suction piece 100.First opens
The orientation of mouth 114 is orientated with therefore corresponding to the first embodiment of the cylinder head 10 according to Fig. 1, and the second opening 116 is corresponding
In the cylinder head 50 according to Fig. 2 second embodiment be orientated.Due to the opposite orientation of alternating of two openings 114,116,
The condensate that will likely can deposit and/or oil from its opening 114 of circular annular groove 106 from suction piece 100 refer to from section
During carrying-off is to its opening 116 of annular groove 106 towards the adjacent sections of suction piece 100.Thus, it is therefore prevented that such residue with
It is upward, from suction piece 100 refer to from annular groove 106 section in accumulation.The combination of the first two embodiment depicted herein
Annular groove 106 is especially realized to fit the structure space demand inside cylinder head 90 and the more flexible of specific geometry
Match somebody with somebody.
Fig. 4 shows the 4th embodiment of cylinder head 130 according to the present invention.Cylinder head 130, which has, to be used for from ring around
Border suction air suction passage 132, for the air compressor equipped with cylinder head 130 power adjusting control passage
134 and cooling-water duct 136.Suction piece 140 is positioned on the downside 138 of cylinder head 130 in which can move.By suction piece 140, pressure
Contracting chamber 142 can be closed relative to 132 pressure seal of suction passage.Control passage 134 can move ground cloth by same
The slide plate 144 put on the downside 138 of cylinder head 130 is closed at least in part, to be particularly and dead volume not shown here
Product or loss volume realize low-loss power adjusting of the air compressor equipped with cylinder head 130 in association.Suction piece 140
It is at least overlapping with slide plate 144 with area format in this case, that is to say, that slide plate 144 is at least arranged in gas in the form of section
Between the downside 138 of cylinder head 130 and suction piece 140.Suction passage is passed through with flow direction 145 from the air of surrounding environment suction
132 and reach in compression chamber 142 in the case of the corresponding posture of suction piece 140.
Circular annular groove 146 include the cell wall 148,150 that extends parallel to each other of two approximations and one have it is basic
The slot bottom 152 of the circular vertical section geometry of upper half.The opening 154 of annular groove 146 is towards suction piece 140 or slide plate 144.Ring
Shape groove 146 causes the end section 156 of suction passage 132 relative to solid cylinder head 130 and relative to control passage 134 again
It is heat-insulated, the control passage be laterally spaced apart parallel to suction passage 132 in 130 internal stretch of cylinder head.
In order to realize concordant closing of the slide plate 144 with the downside 138 of cylinder head 130, in control passage 134, annular groove
Partition wall 158 between 146 and control passage 134 and the recess 160 of peviform is introduced into cylinder head in the region of annular groove 146
In 130 downside 138, the depth of the recess of the peviform is roughly equivalent to the material thickness of slide plate 144.
Except the recess 160 of the peviform of the slide plate 144 for control passage 134, the designing scheme of annular groove 146 is substantially
Follow the shape of the annular groove 66 in the second embodiment according to the cylinder head 50 of Fig. 2.
Fig. 5 shows the working method of subject of the present invention with explanatory view, its reference is exemplarily only directed to institute here
There is the partial view of the cylinder head 50 for Fig. 2 that other embodiment uses.
Strong initial hot-fluid 170 is from the compression chamber 62s of cylinder head 50.The initial hot-fluid 170 is divided into main hot-fluid 172
With the remaining hot-fluid 174 that may be significantly smaller.Due to the good heat-blocking action of annular groove 66, actually whole initial hot-fluid is as master
Hot-fluid 172 is herein to filled with direction deflection of the cooling water 176 as the cooling-water duct 54 of possible cooling agent, the cooling
Aquaporin is strong heat sink.Only insignificant small remaining hot-fluid 174 can also annular groove 66 of the circulation with strong heat-blocking action
And suction passage 52 is reached, so that remaining hot-fluid at most slightly can only make suction passage heat up.Due to the thermal resistance of annular groove 66
Effect, heating of the air in suction passage 52 is almost entirely suppressed, such as triangle in suction passage 52 and with point
Shown in the temperature profile 178 of filling.
Unlike this, in the case of the shielding action according to the present invention of no heat-insulated annular groove 66, triangle is such as passed through
Shape and the temperature profile 180 that is represented with horizontal shading line shown in, produce the significant temperature rise in suction passage 52, this tool
There are various undesirable side effects.Another is from the hot-fluid 182 of the association of compression chamber 62s largely due to suction piece
60 and deviate with suction passage 52 or with the cell wall 70 of annular groove 66, this is because suction piece 60 have compared with cylinder head 50 it is prominent
The heat-insulating capability gone out, the heat-insulating capability can be up to the octuple of the heat-insulating capability of cylinder head 50.
Reference numerals list (part of specification)
10 cylinder heads (first embodiment)
12 suction passages
14 cooling-water ducts
16 cooling-water ducts
The downside of 18 cylinder heads
20 suction pieces
22 compression chambers
The flow direction of 24 suction air
26 (heat-insulated) annular grooves
The cell wall of 28 annular grooves
The cell wall of 30 annular grooves
32 slot bottoms
The opening of 34 annular grooves
Perforation in 36 slot bottoms
The end section of 38 suction passages
50 cylinder heads (second embodiment)
52 suction passages
54 cooling-water ducts
56 cooling-water ducts
The downside of 58 cylinder heads
60 suction pieces
62 compression chambers
The flow direction of 64 suction air
66 (heat-insulated) annular grooves
The cell wall of 68 annular grooves
The cell wall of 70 annular grooves
72 slot bottoms
The opening of 74 annular grooves
The end section of 76 suction passages
78 spacing
80 material baffles
90 cylinder heads (the 3rd embodiment)
92 suction passages
94 cooling-water ducts
96 cooling-water ducts
The downside of 98 cylinder heads
100 suction pieces
102 compression chambers
The flow direction of 104 suction air
106 (heat-insulated) annular grooves
The cell wall of 108 annular grooves
The cell wall of 110 annular grooves
First slot bottom of 112 annular grooves 106
Second slot bottom of 113 annular grooves 106
First opening of 114 annular grooves 106
Second opening of 116 annular grooves 106
The end section of 118 suction passages 92
130 cylinder heads (the 4th embodiment)
132 suction passages
134 control passages
136 cooling-water ducts
The downside of 138 cylinder heads
140 suction pieces
142 compression chambers
144 slide plates
The flow direction of 145 suction air
146 (heat-insulated) annular grooves
The cell wall of 148 annular grooves
The cell wall of 150 annular grooves
152 slot bottoms
The opening of 154 annular grooves
The end section of 156 suction passages
Partition wall between 158 annular grooves and control passage
Recess on the downside of 160 cylinder heads
170 (in Fig. 5) hot-fluids
172 main hot-fluids
174 remaining hot-fluids
176 cooling waters
The temperature profile of suction air in the end section of 178 suction passages 52
180 temperature profiles of the prior art
The association hot-fluid of 182 compression chambers 62
Claims (11)
1. a kind of cylinder head (10,50,90,130) for air compressor, the cylinder head, which has, to be used to inhale from surrounding environment
Enter at least one suction passage (12,52,92,132) of uncompressed air and for discharging compressed air at least
One pressure channel, and also there is cooling-water duct (14,16,54,56,94,96,136), wherein, at least one suction
Entering passage (12,52,92,132) can be by least one suction for being arranged on the downside (18,58,98,138) of the cylinder head
Piece (20,60,100,140) is closed to pressure seal relative to compression chamber (22,62,102,142), it is characterised in that it is described extremely
A few suction passage (12,52,92,132) in the form of section by close to suction piece substantially concentric annular groove (26,66,
106th, 146) surround, wherein, the annular groove (26,66,106,146) at least partially with the Filled Dielectrics being thermally isolated, wherein,
The medium being thermally isolated is air or porous plastics.
2. cylinder head (10,50,90,130) according to claim 1, it is characterised in that the annular groove (26,66,
106th, 146) there are two cell walls (28,30,68,70,108,110,148,150) for being substantially parallel to each other extension.
3. cylinder head (10,50,90,130) according to claim 2, it is characterised in that the annular groove (26,66,
106th, 146) slot bottom (32,72,112,152) has substantially semicircular cross-sectional geometry.
4. cylinder head (10) according to any one of claim 1 to 3, it is characterised in that the annular groove (26) has
Away from the opening (34) of at least one suction piece (20).
5. cylinder head (10) according to claim 4, it is characterised in that the slot bottom (32) of the annular groove (26) has court
At least one perforation (36) at least one suction piece (20) direction.
6. cylinder head (50) according to any one of claim 1 to 3, it is characterised in that the annular groove (66) has
Towards the opening (74) of at least one suction piece (60).
7. cylinder head (50) according to claim 6, it is characterised in that the annular groove (66) slot bottom (72) with extremely
There are small spacing (78) between a few cooling-water duct (54,56).
8. cylinder head (90) according to any one of claim 1 to 3, it is characterised in that the annular groove (106) has
At least two alternately deviate from from least one suction piece (100) or towards at least one suction piece (100) respectively
It is open (114,116).
9. cylinder head (130) according to any one of claim 1 to 3, it is characterised in that at least one control passage
(134) can be covered at least in part by least one slide plate (144) of the power adjusting for the air compressor, and
The annular groove (146) has the opening towards at least one suction piece (140) and at least one slide plate (144)
(154), wherein, the annular groove (146) is prolonged at least in the form of section in the region of at least one control passage (134)
Stretch.
10. cylinder head (10,50,90,130) according to any one of claim 1 to 3, it is characterised in that the cylinder
Head (10,50,90,130) is formed by aluminium or by aluminium alloy.
11. cylinder head (10,50,90,130) according to any one of claim 1 to 3, it is characterised in that it is described heat every
From medium be closed pore porous plastics.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013019812.7A DE102013019812A1 (en) | 2013-11-26 | 2013-11-26 | Cylinder head for an air compressor |
| DE102013019812.7 | 2013-11-26 | ||
| PCT/EP2014/002867 WO2015078545A1 (en) | 2013-11-26 | 2014-10-23 | Cylinder head for an air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105793566A CN105793566A (en) | 2016-07-20 |
| CN105793566B true CN105793566B (en) | 2018-04-27 |
Family
ID=51799073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480064325.4A Active CN105793566B (en) | 2013-11-26 | 2014-10-23 | Cylinder head for air compressor |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3074631B1 (en) |
| CN (1) | CN105793566B (en) |
| DE (1) | DE102013019812A1 (en) |
| WO (1) | WO2015078545A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017116870B3 (en) * | 2017-07-21 | 2019-01-24 | Voith Patent Gmbh | Reciprocating engine with cooling device |
| DE102018120027A1 (en) * | 2018-08-17 | 2020-02-20 | Voith Patent Gmbh | Cylinder head for a compressor |
| CN110552863A (en) * | 2019-09-11 | 2019-12-10 | 西安交通大学 | cooling structure for cylinder cover of diaphragm compressor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2649513A1 (en) * | 1975-12-09 | 1977-06-23 | List Hans | Water:cooled compressor cylinder head with removable valve housing - has annular cooling water chamber adjacent to valve seat (OE 15.1.77) |
| US5860800A (en) * | 1994-10-13 | 1999-01-19 | Wabco Vermogensverwaltungs Gmbh | Compressor cylinder head having a partition |
| DE69826381T2 (en) * | 1997-07-26 | 2005-11-17 | Knorr-Bremse Systems For Commercial Vehicles Ltd. | Gas compressor with water-cooled cylinder head |
| EP1703125A2 (en) * | 2005-03-15 | 2006-09-20 | ITG Kompressoren GmbH | Cylinder head for multi stage compressor |
| CN101903658A (en) * | 2007-12-21 | 2010-12-01 | 丹佛斯商业压缩机公司 | Cylinder head for piston refrigeration compressor, compression unit including such cylinder head, and piston refrigeration compressor including said compression unit |
| AT509082B1 (en) * | 2010-04-15 | 2011-06-15 | Hoerbiger Kompressortech Hold | CYLINDER HEAD FOR BRAKE AIR COMPRESSOR |
| CN103003570A (en) * | 2011-06-01 | 2013-03-27 | 松下电器产业株式会社 | A valve plate for a compressor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7422031U (en) * | 1976-01-08 | Robert Bosch Gmbh, 7000 Stuttgart | Cylinder cover for an air-cooled compressor | |
| DE1711400U (en) * | 1955-02-24 | 1955-11-24 | Motoren Werke Mannheim Ag | AIR-COOLED PRESSURE VALVE FOR AIR COMPRESSOR. |
| DE19535079C2 (en) * | 1994-10-13 | 2001-02-22 | Wabco Gmbh & Co Ohg | compressor |
| DE102010011550A1 (en) * | 2010-03-15 | 2011-09-15 | Eduard Hilberer | Air compressor system for supplying air suspensions and compressed air brake of vehicle, has air compressor, oil pump, control unit and electric drive motor, where air compressor is cooled with pressure oil and simultaneously lubricated |
-
2013
- 2013-11-26 DE DE102013019812.7A patent/DE102013019812A1/en not_active Withdrawn
-
2014
- 2014-10-23 CN CN201480064325.4A patent/CN105793566B/en active Active
- 2014-10-23 WO PCT/EP2014/002867 patent/WO2015078545A1/en active Application Filing
- 2014-10-23 EP EP14789795.3A patent/EP3074631B1/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2649513A1 (en) * | 1975-12-09 | 1977-06-23 | List Hans | Water:cooled compressor cylinder head with removable valve housing - has annular cooling water chamber adjacent to valve seat (OE 15.1.77) |
| US5860800A (en) * | 1994-10-13 | 1999-01-19 | Wabco Vermogensverwaltungs Gmbh | Compressor cylinder head having a partition |
| DE69826381T2 (en) * | 1997-07-26 | 2005-11-17 | Knorr-Bremse Systems For Commercial Vehicles Ltd. | Gas compressor with water-cooled cylinder head |
| EP1703125A2 (en) * | 2005-03-15 | 2006-09-20 | ITG Kompressoren GmbH | Cylinder head for multi stage compressor |
| CN101903658A (en) * | 2007-12-21 | 2010-12-01 | 丹佛斯商业压缩机公司 | Cylinder head for piston refrigeration compressor, compression unit including such cylinder head, and piston refrigeration compressor including said compression unit |
| AT509082B1 (en) * | 2010-04-15 | 2011-06-15 | Hoerbiger Kompressortech Hold | CYLINDER HEAD FOR BRAKE AIR COMPRESSOR |
| CN103003570A (en) * | 2011-06-01 | 2013-03-27 | 松下电器产业株式会社 | A valve plate for a compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3074631A1 (en) | 2016-10-05 |
| CN105793566A (en) | 2016-07-20 |
| DE102013019812A1 (en) | 2015-05-28 |
| EP3074631B1 (en) | 2019-04-24 |
| WO2015078545A1 (en) | 2015-06-04 |
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