CN107429681A - Liquid-cooled compressor - Google Patents
Liquid-cooled compressor Download PDFInfo
- Publication number
- CN107429681A CN107429681A CN201680019994.9A CN201680019994A CN107429681A CN 107429681 A CN107429681 A CN 107429681A CN 201680019994 A CN201680019994 A CN 201680019994A CN 107429681 A CN107429681 A CN 107429681A
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- Prior art keywords
- gas
- main body
- compressor
- liquid
- oil
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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
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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
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
Abstract
A kind of liquid-cooled compressor, by easy structure, reduce the vibration of pipe arrangement and the noise from the device for being connected to pipe arrangement.Oil-cooled type screw compressor (1) has compressor main body (11), feed flow stream (14), gas buffer portion (20), aforementioned compressor main body (11) compressed gas, foregoing feed flow stream (14) connects with confession fluid apertures (37), foregoing confession fluid apertures (37) supply coolant interior to the gas compression space (33) for being formed on compressor main body, These gases buffer part (20) has gas accumulating part (28), and These gases accumulating part (28) stockpiles the gas for the pressure for being undertaken on the coolant flowed in feed flow stream.
Description
Technical field
The present invention relates to liquid-cooled compressor.
Background technology
In liquid-cooled compressor, as fluid is compressed, fluid temperature (F.T.) rises, so in order to will be cold in compressor main body
But, supply coolant is carried out.For example, in the oil-cooled type screw compressor that oil is used as coolant, progress is following so
Cooling.
Oil-cooled type screw compressor possesses intermeshing a pair of screw rotors of male and female, the screw rotor quilt in rotor case
The bearing portion of suction side and discharge side can be supported rotatably.The rotor chamber in the gas compression space in as helical-lobe compressor
And it is respectively arranged with oil supplying hole on bearing portion etc..The fry dried food ingredients that rotor chamber is supplied to through oil supplying hole waves the work of cooling screw rotor
With and by the effect that seals between screw rotor and between screw rotor and the inner wall part of rotor case and lubricate.
If screw rotor rotates, the teeth portion of screw rotor crosses the oil supplying hole for the inner wall part for being arranged at rotor case, by
This carries out the opening and closing of oil supplying hole.By the opening and closing of oil supplying hole, oily flowing is temporarily cut off, so producing the pulsation of oil.Oil
Pulsation be passed to the pipe arrangement of supply oil, pipe arrangement vibrates.Also, due to the vibration of pipe arrangement, from being connected to pipe arrangement
Device produces noise.As the vibrating noise countermeasure technology for the prior art for being related to compressor, such as it is known to patent document 1.
Patent document 1:Japanese Patent Publication 3-551 publications.
Patent document 1 discloses a kind of helical-lobe compressor, foregoing helical-lobe compressor wears the gas by oil eliminator separation
Gas pipe is crossed, the working fluid oil flowed in oil spurts pipe arrangement is mixed into, makes working fluid oil that there is compressibility, thus absorb
Pressure fluctuation inside oil spurts pipe arrangement.
However, in the technology disclosed in patent document 1, gas pipe is set up, in gas pipe and oil spurts pipe arrangement
Regulating valve and stop valve are set on each（Twisted り stop man's cap used in ancient times）, and in order that a certain amount of gas is mixed into working fluid oil, adjustment
Regulating valve and stop valve.So, the technology disclosed in patent document 1 possesses gas pipe, regulating valve and stop valve, is adjusted
The control of valve and stop valve, so becoming extremely complex.
The content of the invention
Therefore, the technical problems to be solved by the invention are in liquid-cooled compressor, by easy structure, to make to match somebody with somebody
The vibration of pipe and the noise reduction from the device for being connected to pipe arrangement.
In order to solve the above-mentioned technical problem, according to the present invention, there is provided following liquid-cooled compressor.
That is, liquid-cooled compressor of the invention possesses compressor main body, feed flow stream, gas buffer portion, aforementioned compressor
Main body compressed gas, foregoing feed flow stream connect with confession fluid apertures, and foregoing confession fluid apertures supply coolant to being formed on foregoing pressure
In the gas compression space of contracting owner's body, These gases buffer part has gas accumulating part, and These gases accumulating part stockpiles undertaking
The gas of the pressure of the coolant flowed in foregoing feed flow stream.
According to said structure, the pressure oscillation of the coolant flowed in feed flow stream and when producing pulsation, the pressure of pulsation
The gas that power is accumulated in the gas accumulating part in gas buffer portion is accepted, and by the compression of gas, can be absorbed pulsation
Decay.As a result, it by easy structure, can reduce the vibration of pipe arrangement and the noise from the device for being connected to pipe arrangement.
The present invention can possess following feature on the basis of features described above.
These gases buffer part is arranged at aforementioned compressor main body and the foregoing feed flow stream close to aforementioned compressor main body
Road it is at least one.According to the construction, gas buffer portion is arranged near the occurring source of pulsation, so can be more effectively
Suppress vibration, noise as caused by pulsation.
These gases buffer part is the pipe in branched portion punishment trouble from the foregoing feed flow stream close to aforementioned compressor main body
Shape body, the terminal part of the tubular body are closed.According to the construction, as gas buffer portion, existing pipe arrangement can be utilized, so
Gas buffer portion can be formed simply and at low cost.
These gases buffer part is punished from the foregoing feed flow stream of foregoing compressor main body in branched portion branches off, and is to be arranged at
Space in the compressor main body, the terminal part in the space are closed.According to the construction, as gas buffer portion, can utilize
Compressor main body, gas buffer portion can be formed simply and at low cost.
These gases buffer part, which is configured to punish in branched portion from foregoing feed flow stream, branches off.According to the construction, as gas
Body buffer part, feed flow stream can be utilized, so gas buffer portion can be formed simply and at low cost.
The These gases accumulating part of These gases buffer part is positioned at more top than the foregoing feed flow stream that foregoing branched portion is located at
The position of side.According to the construction, the gas contained by coolant flowed in feed flow stream is stranded in gas accumulating part, so gas
Body buffer part can be acted stably.
The opening portion for being communicated in the These gases accumulating part of These gases buffer part is configured in stream with foregoing coolant
The position that dynamic direction faces.According to the construction, the gas contained by coolant flowed in feed flow stream easily flows into gas and delayed
Portion is rushed, so delay of the gas to gas accumulating part becomes easy, gas buffer portion can be made stably to act.
Intermeshing a pair of screw rotors of male and female built in aforementioned compressor main body.According to the construction, there is provided suppress by supplying
The helical-lobe compressor of pulsation-induced vibration, noise at liquid stream road.
According to the present invention, by easy structure, the vibration of pipe arrangement can be made and from the device for being connected to pipe arrangement
Noise is reduced.
Brief description of the drawings
Fig. 1 is the figure of the schematic configuration for the liquid-cooled compressor for representing the 1st embodiment of the present invention.
Fig. 2 is the figure of the schematic configuration for the liquid-cooled compressor for representing the 2nd embodiment of the present invention.
Fig. 3 is the figure of the schematic configuration for the liquid-cooled compressor for representing the 3rd embodiment of the present invention.
Fig. 4 is the figure of the schematic configuration for the liquid-cooled compressor for representing the 4th embodiment of the present invention.
Fig. 5 is the figure of the schematic configuration for the liquid-cooled compressor for representing the 5th embodiment of the present invention.
Fig. 6 is the figure of the schematic configuration for the liquid-cooled compressor for representing the 6th embodiment of the present invention.
Fig. 7 is the figure of the 1st for wanting portion for representing the liquid-cooled compressor of the present invention.
Fig. 8 is the stereogram for the signal for wanting portion for representing Fig. 7.
Fig. 9 is the figure of the 2nd for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 10 is the stereogram for representing the signal for wanting portion shown in Fig. 9.
Figure 11 is the figure of the 3rd for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 12 is the figure of the 4th for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 13 is the figure of the 5th for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 14 is the figure of the 6th for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 15 is the figure of the 7th for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 16 is the figure of the 8th for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 17 is the figure of the 9th for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 18 is the figure of the 10th for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 19 is the figure of the 11st for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 20 is the figure of the 12nd for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 21 is the figure of the 13rd for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 22 is the figure of the 14th for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 23 is the schematic diagram of the 15th for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 24 is the schematic diagram of the 16th for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 25 is the schematic diagram of the 17th for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 26 is the schematic diagram of the 18th for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 27 is the schematic diagram of the 19th for wanting portion for representing the liquid-cooled compressor of the present invention.
Figure 28 is the schematic diagram of the 20th for wanting portion for representing the liquid-cooled compressor of the present invention.
Embodiment
On the liquid-cooled compressor 1 of the present invention, below, to use oil-cooled type screw compressor as liquid-cooled compressor
1 example illustrates.
(the 1st embodiment)
Reference picture 1, while illustrate the liquid-cooled compressor 1 of the 1st embodiment of the present invention.Fig. 1 represents liquid-cooled compressor 1
Schematic configuration.
Liquid-cooled compressor 1 is as shown in figure 1, for example possess compressor main body 11, oily separation recoverer 13, oil strainer
17th, oil cooler 15, temperature regulating valve 19.
Liquid-cooled compressor 1 is such as shown in Figure 23, being following oil-cooled type screw compressor, foregoing oil injection type screw rod pressure
Contracting machine uses oil as coolant, and is compressed by intermeshing a pair of screw rotors of male and female 34 as compressed object
Gas (such as air).A pair of screw rotors of intermeshing male and female 34 of oil-cooled type screw compressor 1, which are housed inside, to be formed at
In the rotor chamber (gas compression space) 33 of the rotor case 32 of compressor main body 11.
As shown in figure 1, oily separation recoverer 13 is provided with the discharge duct 12 extended from compressor main body 11.In oil
In the case of cold type helical-lobe compressor 1, compressed gas from compressor main body 11 as oil is discharged, by oily separation recoverer 13
It is separated into compressed gas and oil.Compressed gas is from the part of the discharge duct 12 on the top for being connected to oily separation recoverer 13
Flow direction needs equipment.The oily reservoir that the bottom of oily separation recoverer 13 is formed on by the oil that oily separation recoverer 13 separates is temporary
Shi Jicun.
In liquid-cooled compressor 1, formed with main fuel feeding stream (feed flow stream) 14, in foregoing main fuel feeding stream (feed flow
Stream) in 14, the oil separated by oily separation recoverer 13 flow to the gas compression of compressor main body 11 from oily separation recoverer 13
Space.In main fuel feeding stream 14 (simply referred to as primary flow path 14 below), in the downstream of oily separation recoverer 13, set in order
It is equipped with oil strainer 17 and temperature regulating valve 19.Primary flow path 14 is bifurcated into cooling fork stream 14A at temperature regulating valve 19
Collaborate with bypass stream 14B, cooling fork stream 14A and bypass stream 14B at cooling junction of two streams 51.In cooling fork stream
Oil cooler 15 is equipped on 14A.By temperature regulating valve 19, in the case where oil temperature is higher, oil is in cooling fork stream 14A
Middle flowing, flowed in oil in the case that oil temperature is relatively low in stream 14B is bypassed.
Fuel feeding bifurcation point 52 is provided with primary flow path 14.At fuel feeding bifurcation point 52, through in compressor main body 11
The bearing fuel feeding stream 21 in bearing axle envelope portion diverges from primary flow path 14.At the rotor case 32 of compressor main body 11, through from point
Trouble select the main body fuel feeding stream (feed flow stream) 18 for being communicated to the primary flow path 14 as downstream main body oil supplying hole 37 and by
Rotor chamber (gas compression space) 33 fuel feeding.Also, through bearing fuel feeding stream 21 bearing oil supplying hole 39 by bearing axle envelope
Portion's fuel feeding.The oil for carrying out autonomous agent fuel feeding stream 18 is used for the sealing between the cooling of gas compressed, screw rotor 34 and profit
It is sliding.Oil from bearing fuel feeding stream 21 is used for the lubrication and axle envelope in bearing axle envelope portion.
Fig. 7 and Fig. 8 represents the 1st of gas buffer portion 20.Gas buffer portion 20 is arranged in the way of primary flow path 14.Gas
Body buffer part 20 possesses vibration damping main body 24, foregoing vibration damping main body 24 be bifurcated into the T-shaped pipe joint as branched portion 22 from
Primary flow path (feed flow stream) 14 diverges, and is connected to branched portion 22, foregoing vibration damping main body 24 is tubular body.The vibration damping main body 24
Terminal part quilt cover 26 is closed.Pipe joint as branched portion 22 has entrance 23, outlet 25 and fork connector 27.In entrance 23
Place is connected with the upstream side line of primary flow path 14, and the downstream side line of primary flow path 14 is connected with outlet 25, in fork connector
27 are connected with vibration damping main body 24.In the inner space of vibration damping main body 24 formed with the gas accumulating part 28 for stockpiling gas.In main flow
Oily pressure oscillation that road 14 is flowed and when producing pulsation, the pressure of pulsation is accumulated in the gas accumulating part in gas buffer portion 20
28 gas is accepted, can be by attenuation by absorption of pulsing by the compression of gas.
In the gas buffer portion 20 shown in Fig. 7, the oily primary flow path 14 extended to the right along after extending upward from below
Flowing.The gas accumulating part 28 in gas buffer portion 20 is positioned at the position than the primary flow path 14 positioned at the position of branched portion 22 by the top
Put.The gas contained by oil flowed in primary flow path 14 is stranded in gas accumulating part 28, so gas buffer portion 20 can stablize
Ground acts.In addition, it is configured in and oil through the opening portion of the tubular body for the gas accumulating part 28 for being connected to fork connector 27
The position that faces of flow direction.The gas that the gas contained by oil flowed in primary flow path 14 easily flows into vibration damping main body 24 is deposited
Product portion 28, so delay of the gas to gas accumulating part 28 becomes easy, gas buffer portion 20 can stably act.As a result,
By the gas for being stranded in gas accumulating part 28, can suppress by pulsation-induced vibration, noise.
In addition, the internal diameter as the vibration damping main body 24 of tubular body can be identical with bore with primary flow path 14, can also
It is different.In the case of caliber difference, the internal diameter of vibration damping main body 24 can be set as example relative to primary flow path 14 with bore
Scope from 0.5 times to 2.0 times, but it is not limited to the numerical value.In addition, it is stranded in the gas of the gas accumulating part 28 of vibration damping main body 24
Unless cover 26 is loosened energetically to deflate, otherwise will not easily deflate.Therefore, if before the operating of liquid-cooled compressor 1
In advance in the state for filling gas accumulating part 28 with gas, then contained by the oil for carrying out the comfortable flowing of primary flow path 14 without waiting for receiving
The supply of gas make gas accumulation.
Fig. 1 is returned to, the allocation position in the gas buffer portion 20 of the primary flow path 14 of the 1st embodiment is illustrated.Gas
Buffer part 20 is arranged close in the primary flow path 14 of compressor main body 11, that is, is arranged at positioned at main body oil supplying hole 37 and fuel feeding
Position in the way of main body fuel feeding stream 18 between bifurcation point 52.According to the structure, gas buffer portion 20 is arranged at as arteries and veins
Near the main body oil supplying hole 37 of the compressor main body 11 of dynamic occurring source, so can more effectively suppress to shake as caused by pulsation
Dynamic, noise.
In fact, prepare the comparative example without above-mentioned gas buffer part 20 and this hair with above-mentioned gas buffer part 20
Bright oil-cooled type screw compressor 1, to surveying both vibration values during its operating with 20% specified rotating speed.With
Primary flow path of vibration analysis meter (Co., Ltd. the manages sound VA-12) measurement between cooling junction of two streams 51 and fuel feeding bifurcation point 52
The vibration of 14 (pipe arrangements).As a result, compared with comparative example, the oil-cooled type screw compressor in the gas buffer portion 20 with the present invention
In 1, confirm that the total value of vibration is about small by 85%.
(the 2nd embodiment)
Fig. 2 represents the liquid-cooled compressor 1 of the 2nd embodiment of the present invention, on the liquid of the 1st embodiment represented with Fig. 1
The common part of cold type compressor 1, mark identical reference and omit the description.Hereinafter, on the 3rd embodiment to the 6th
Embodiment is also the same.
In the liquid-cooled compressor 1 of the 2nd embodiment, gas buffer portion 20 is arranged at the fuel feeding fork of primary flow path 14
Point 52.At fuel feeding bifurcation point 52, primary flow path 14 is bifurcated into main body fuel feeding stream 18 and bearing fuel feeding stream 21.By by gas
Buffer part 20 is arranged at fuel feeding bifurcation point 52, and the change (i.e. the change of the length of pipe arrangement) of existing structure is in Min.
Can, so cost degradation can be realized.Therefore, in the 2nd embodiment, except suppressing, by pulsation-induced vibration, noise, to go back
The cost degradation that the minimal change of existing structure can be realized and brought.
(the 3rd embodiment)
In the liquid-cooled compressor 1 of the 3rd embodiment shown in Fig. 3, oil strainer 17 is arranged at the cooling He of junction of two streams 51
Between fuel feeding bifurcation point 52.If the 2nd embodiment and the 3rd embodiment are compared, only the allocation position of oil strainer 17 is not
Together, other structures do not have difference.It is identical with the liquid-cooled compressor 1 of above-mentioned 2nd embodiment, the liquid-cooled of the 3rd embodiment
Compressor 1 can also realize the vibration for suppressing pulsation and bringing, noise, can also realize the change of minimal structure.
(the 4th embodiment)
In the liquid-cooled compressor 1 of the 4th embodiment shown in Fig. 4, gas buffer portion 20 is arranged at the cold of primary flow path 14
But junction of two streams 51.In the case where temperature regulating valve 19 and bypass stream 14B are made up of the set part being integrally formed, making
To gather the cooling junction of two streams 51 of the downstream of part, gas buffer portion 20 is set, thus, it is possible to suppress vibration that pulsation brings,
Noise, it can also realize the change of minimal structure.
(the 5th embodiment)
In the liquid-cooled compressor 1 of the 5th embodiment shown in Fig. 5, multiple gas buffer portions 20 are disposed in series in master
Position in the way of the main body fuel feeding stream 18 of stream 14.According to the structure, vibration, the suppression of noise brought by pulsation can be made
Effect is bigger.
In the liquid-cooled compressor 1 of above-mentioned the 1st embodiment to the 5th embodiment, for example, Fig. 9 can be used extremely
The gas buffer portion 20 of the 2nd to the 14th shown in Figure 22.In addition, in the 2nd embodiment and the 3rd embodiment, as
Branched portion 22, T-shaped pipe joint can be replaced and suitably use criss-cross pipe joint.
First, reference picture 9 and Figure 10, while illustrate the gas buffer portion 20 of the 2nd.The gas buffer portion 20 of the 2nd exists
Diverged as at the T-shaped pipe joint of branched portion 22 from primary flow path (feed flow stream) 14.The entrance 23 of branched portion 22 and outlet
25 are connected in the way of primary flow path 14.Elbow pipe joint 45 through the tubular body of gas accumulating part 28 is connected to branched portion
22 fork connector 27.Vibration damping main body 24 is connected to the connector 47 of elbow pipe joint 45.That is, vibration damping main body 24 is via curved
Head tube joint 45 is connected to branched portion 22.The gas accumulating part 28 in gas buffer portion 20 is located at the main flow being located at than branched portion 22
The position of road 14 by the top.
In fig.9, oil flows along after extending to the right from left in the orthogonal primary flow path 14 just upwardly extended outward of paper
It is dynamic.Tubular body (elbow pipe joint 45) through the gas accumulating part 28 of the fork connector 27 for being connected to branched portion 22 is opened
Oral area is configured in the position faced with the flow direction of oil.The gas contained by oil flowed in primary flow path 14, which easily flows into, to be subtracted
The gas accumulating part 28 of main body of shaking 24, so gas is easily detained to gas accumulating part 28, gas buffer portion 20 can be stably
Action.As a result, by the gas for being stranded in gas accumulating part 28, vibration, the noise brought by pulsation can be suppressed.
The gas buffer portion 20 of the 3rd shown in Figure 11 is at the T-shaped pipe joint as branched portion 22 from primary flow path
(feed flow stream) 14 diverges.Vibration damping main body is connected with relative to the fork connector 27 positioned at the top of T-shaped branched portion 22
24.In gas buffer portion 20, the gas accumulating part 28 of vibration damping main body 24 is positioned at more top than the primary flow path 14 that branched portion 22 is located at
The position of side.Oil flows along the primary flow path 14 extended to the right from left.The gas contained by oil flowed in primary flow path 14
Gas accumulating part 28 is stranded in, so gas buffer portion 20 can stably act, by the gas for being stranded in gas accumulating part 28
Body, vibration, the noise brought by pulsation can be suppressed.
In the gas buffer portion 20 of the 4th shown in Figure 12, diverged using the 3 orthogonal axles along X-axis, Y-axis, Z axis
Branched portion 22.In gas buffer portion 20, the gas accumulating part 28 of vibration damping main body 24 is located at the primary flow path being located at than branched portion 22
14 position by the top.Oil flows along the primary flow path 14 for extending the orthogonal extension of direction outward of backward paper to the right from left.
The gas contained by oil flowed in primary flow path 14 is stranded in gas accumulating part 28, so gas buffer portion 20 can stablize earthquake
Make, by the gas for being stranded in gas accumulating part 28, vibration, the noise brought by pulsation can be suppressed.
The gas buffer portion 20 of the 5th shown in Figure 13 is at the pipe joint of the Y-shaped as branched portion 22 from primary flow path
(feed flow stream) 14 diverges.Vibration damping main body 24 is connected to the fork of the position of the right oblique upper of the branched portion 22 positioned at Y-shaped
Connector 27.In gas buffer portion 20, the gas accumulating part 28 of vibration damping main body 24 is located at the primary flow path being located at than branched portion 22
14 position by the top.Primary flow path 14 of the oil along oblique upper extension to the left from below flows.The oil flowed in primary flow path 14
Contained gas is stranded in gas accumulating part 28, so gas buffer portion 20 can stably act, is deposited by gas is stranded in
The gas in product portion 28, vibration, the noise brought by pulsation can be suppressed.
The gas buffer portion 20 of the 6th shown in Figure 14 is at the pipe joint of the Y-shaped as branched portion 22 from primary flow path
(feed flow stream) 14 diverges.Vibration damping main body 24 is connected to the fork of the position of the right oblique upper of the branched portion 22 positioned at Y-shaped
Connector 27.In gas buffer portion 20, the gas accumulating part 28 of vibration damping main body 24 is located at the primary flow path being located at than branched portion 22
14 position by the top.Primary flow path 14 of the oil along the extension below left oblique direction flows.The oil flowed in primary flow path 14
Contained gas is stranded in gas accumulating part 28, so gas buffer portion 20 can stably act, is deposited by gas is stranded in
The gas in product portion 28, vibration, the noise brought by pulsation can be suppressed.
The gas buffer portion 20 of the 7th shown in Figure 15 is in the fork with obliquely downward extension to the right as branched portion 22
Diverged at the T-shaped pipe joint of connecting portion 29 from primary flow path (feed flow stream) 14.Fork relative to fork connecting portion 29 connects
Interface 27, screwed pipe joint 40 are connected to obliquely downward.Elbow pipe joint 45 is connected to the connector 46 of screwed pipe joint 40,
Vibration damping main body 24 is connected to the connector 47 of elbow pipe joint 45.The angle of inclination of fork connecting portion 29 and screwed pipe joint 40
It is configured to, the gas contained by oil flowed in primary flow path 14 can be directed into the gas accumulating part 28 of vibration damping main body 24.This inclines
Rake angle depends on the oily flow velocity that is flowed in primary flow path 14, but is, for example, relative to along the approximate horizontal main flow extended laterally
Road 14 is less than 20 degree of angle.The gas accumulating part 28 of vibration damping main body 24 is located at the primary flow path 14 being located at than branched portion 22 by the top
Position.Oil flows along the primary flow path 14 extended to the right from left.The gas contained by oil flowed in primary flow path 14 is stagnant
Stay in gas accumulating part 28, so gas buffer portion 20 can stably act, by the gas for being stranded in gas accumulating part 28,
Vibration, the noise brought by pulsation can be suppressed.
In the gas buffer portion 20 of the 8th shown in Figure 16, using with the identical part of branched portion 22 shown in Figure 15,
But the pipe range for being configured to screwed pipe joint 40 is shorter.The pipe range of screwed pipe joint 40 is shorter, the oily institute flowed in primary flow path 14
The gas contained is more easily guided into the gas accumulating part 28 of vibration damping main body 24.Gas contained by the oil flowed in primary flow path 14 holds
Gas accumulating part 28 easily is stranded in, so gas buffer portion 20 can stably act, by being stranded in gas accumulating part 28
Gas, vibration, the noise brought by pulsation can be suppressed.
The gas buffer portion 20 of the 9th shown in Figure 17 is in the fork with oblique upper extension to the right as branched portion 22
Diverged at the pipe joint of connecting portion 29A Y-shaped from primary flow path (feed flow stream) 14.Relative to fork connecting portion 29A fork
Connector 27, vibration damping main body 24 are connected to right oblique upper.At gas buffer portion 20, the gas accumulating part 28 of vibration damping main body 24
Positioned at the position of the primary flow path 14 being located at than branched portion 22 by the top.Oil flows along the primary flow path 14 extended from the top to the bottom
It is dynamic.The gas contained by oil flowed in primary flow path 14 is stranded in gas accumulating part 28, so gas buffer portion 20 can stablize
Ground acts, and by the gas for being stranded in gas accumulating part 28, can suppress vibration, the noise brought by pulsation.
In the gas buffer portion 20 of the 10th shown in Figure 18, using with the identical knot of branched portion 22 shown in Figure 17
Structure, but oil flow direction and Figure 17 shown on the contrary, oil flowed along the primary flow path 14 extended upward from below.In gas
At buffer part 20, the gas accumulating part 28 of vibration damping main body 24 is located at the position of the primary flow path 14 being located at than branched portion 22 by the top.
The gas contained by oil flowed in primary flow path 14 is stranded in gas accumulating part 28, so gas buffer portion 20 can stablize earthquake
Make, by the gas for being stranded in gas accumulating part 28, vibration, the noise brought by pulsation can be suppressed.
The gas buffer portion 20 of the 11st shown in Figure 19 is at the T-shaped pipe joint as branched portion 22 from primary flow path
(feed flow stream) 14 diverges.Relative to the fork connector 27 positioned at the top of pipe joint, via screwed pipe joint 40 and elbow
Pipe joint 45 is connected with vibration damping main body 24.That is, it is connected with relative to the connector 46 of screwed pipe joint 40 and bends at a right angle curved
Head tube joint 45, vibration damping main body 24 is connected with relative to the connector 47 of elbow pipe joint 45.Vibration damping main body 24 is located at than fork
The position of portion 22 by the top, is extended laterally along approximate horizontal.At gas buffer portion 20, the gas accumulating part 28 of vibration damping main body 24
Positioned at the position of the primary flow path 14 being located at than branched portion 22 by the top.Oil flows along the primary flow path 14 extended to the right from left.
The gas contained by oil flowed in primary flow path 14 is stranded in gas accumulating part 28, so gas buffer portion 20 can stablize earthquake
Make, by the gas for being stranded in gas accumulating part 28, vibration, the noise brought by pulsation can be suppressed.
It is the structure similar with the structure shown in Figure 19, but make in the gas buffer portion 20 of the 12nd shown in Figure 20
With having, this point of the different elbow pipe joint 45 of angle of bend is different.In the elbow pipe joint 45 shown in Figure 20, angle of bend is
About 45 degree, but angle of bend can be the arbitrary angle from 0 degree to 90 degree.Vibration damping main body 24 is positioned at than branched portion 22 by the top
Position, extend obliquely upward.At gas buffer portion 20, the gas accumulating part 28 of vibration damping main body 24 is located at than branched portion 22
In the position by the top of primary flow path 14.Oil flows along the primary flow path 14 extended to the right from left.Flowed in primary flow path 14
Oil contained by gas be stranded in gas accumulating part 28, so gas buffer portion 20 can stably act, by being stranded in gas
The gas of body accumulating part 28, vibration, the noise brought by pulsation can be suppressed.
The gas buffer portion 20 of the 13rd shown in Figure 21 is in point with oblique upper extension to the right as branched portion 22
Diverged at the pipe joint of trouble connecting portion 29A Y-shaped from primary flow path (feed flow stream) 14.Relative to fork connecting portion 29A point
Trouble connector 27, vibration damping main body 24 are connected by oblique upper to the right.At gas buffer portion 20, the gas accumulating part of vibration damping main body 24
28 position positioned at the primary flow path 14 being located at than branched portion 22 by the top.Oil flows along the primary flow path 14 extended to the right from left
It is dynamic.The gas contained by oil flowed in primary flow path 14 is stranded in gas accumulating part 28, so gas buffer portion 20 can stablize
Ground acts, and by the gas for being stranded in gas accumulating part 28, can suppress vibration, the noise brought by pulsation.
The gas buffer portion 20 of the 14th shown in Figure 22 is in point with oblique upper extension to the left as branched portion 22
Diverged at the pipe joint of trouble connecting portion 29A Y-shaped from primary flow path (feed flow stream) 14.Relative to fork connecting portion 29A point
Trouble connector 27, vibration damping main body 24 are connected by oblique upper to the right.At gas buffer portion 20, the gas accumulating part of vibration damping main body 24
28 position positioned at the primary flow path 14 being located at than branched portion 22 by the top.Oil flows along the primary flow path 14 extended to the right from left
It is dynamic.The gas contained by oil flowed in primary flow path 14 is stranded in gas accumulating part 28, so gas buffer portion 20 can stablize
Ground acts, and by the gas for being stranded in gas accumulating part 28, can suppress vibration, the noise brought by pulsation.
Then, reference picture 6 and Figure 23, while the liquid-cooled compressor 1 of the 6th embodiment is illustrated.
(the 6th embodiment)
In the liquid-cooled compressor 1 of the 6th embodiment shown in Fig. 6, gas buffer portion 20 is arranged at compressor main body 11
Rotor case 32 inside.In the inside of rotor case 32, formed with the oil inside offering stream as primary flow path (feed flow stream) 14
35.Oil inside offering stream 35 is to connect the fuel feeding connecting hole 36 for being connected to main body fuel feeding stream 18 with main body oil supplying hole 37
Stream.As shown in figure 23, in the present embodiment, with relative to a fuel feeding connecting hole of the downside for being arranged at rotor case 32
The mode of 36 two main body oil supplying holes 37 of connection is formed with oil inside offering stream 35.At rotor case 32, main body fuel feeding stream 18
It is connected via fuel feeding connecting hole 36 with oil inside offering stream 35, through main body oil supplying hole 37 by rotor chamber (gas compression space)
33 fuel feeding.
In the inside of rotor case 32, formed with from the way for being arranged at oil inside offering stream 35 inside bifurcation point (point
Trouble portion) 38 damping spaces 41 to diverge.The damping space 41 of 6th embodiment is formed at the cavity of the inside of rotor case 32,
Gas accumulating part as gas buffer portion 20 works.The damping space 41 of the 15th shown in Figure 23 has bending section 42 and indulged
To line part 43, lower end side internally close by opening at bifurcation point 38, upper end side.Bending section 42 is bent from internal bifurcation point 38,
Extend upward to be communicated in longitudinal line part 43 simultaneously.Longitudinal line part 43 as the damping space 41 of gas accumulating part
In the position of the oil inside offering stream 35 being located at than internal bifurcation point 38 by the top.Bending section 42 carries circularity, so internally
The gas contained by oil that fuel feeding stream 35 flows easily is directed to damping space 41 and is stranded in damping space 41, so can
Stably acted as gas buffer portion 20.Also, by the gas for being stranded in damping space 41, it can suppress to be brought by pulsation
Vibration, noise.
In the liquid-cooled compressor 1 of above-mentioned 6th embodiment, illustrate the 16th of Figure 24 to Figure 28 can be used to the
The gas buffer portion 20 of 20.
At the gas buffer portion 20 of the 16th shown in Figure 24, using with horizontal line part 48 and longitudinal line part 43
Multiple damping spaces 41.The horizontal line part 48 of left and right from the inside bifurcation point 38 of left and right to extend laterally be respectively communicated with
Longitudinal line part 43 of left and right.The upper end side of longitudinal line part 43 of left and right is closed respectively.Vibration damping as gas accumulating part
Position of the longitudinal line part 43 in space 41 positioned at the oil inside offering stream 35 being located at than internal bifurcation point 38 by the top.Internally
The gas contained by oil that fuel feeding stream 35 flows is stranded in the damping space 41 of left and right, so gas buffer portion 20 can be used as steady
Surely act, by the gas for the damping space 41 for being stranded in left and right, vibration, the noise brought by pulsation can be suppressed.
It is upward while using by being bent from internal bifurcation point 38 in the gas buffer portion 20 of the 17th shown in Figure 25
The damping space 41 that Fang Yanshen bending section 42 is formed.The upper end side of bending section 42 shown in Figure 25 is closed.Deposited as gas
Position of the damping space 41 in product portion positioned at the oil inside offering stream 35 being located at than internal bifurcation point 38 by the top.Fuel feeding internally
The gas contained by oil flowed in stream 35 is stranded in damping space 41, so can stablize earthquake as gas buffer portion 20
Make, by the gas for being stranded in damping space 41, vibration, the noise brought by pulsation can be suppressed.
In the gas buffer portion 20 of the 18th shown in Figure 26, using having with angled straight lines portion 44 and longitudinal line part
43 damping space 41.Angled straight lines portion 44 is communicated in longitudinal line part 43 to extension obliquely upward from internal bifurcation point 38.
The upper end side of longitudinal line part 43 is closed.Longitudinal line part 43 as the damping space 41 of gas accumulating part is located at than inside
The position of the oil inside offering stream 35 that bifurcation point 38 is located at by the top.The gas contained by oil that internally fuel feeding stream 35 flows is stagnant
Stay in damping space 41, so gas buffer portion 20 can stably act, can by the gas for being stranded in damping space 41
Suppress vibration, the noise brought by pulsation.
In the gas buffer portion 20 of the 19th shown in Figure 27, using having by extending obliquely upward from internal bifurcation point 38
Angled straight lines portion 44 form damping space 41.The upper end side in the angled straight lines portion 44 shown in Figure 27 is closed.As gas
The angled straight lines portion 44 of the damping space 41 of accumulating part is located at the oil inside offering stream 35 being located at than internal bifurcation point 38 by the top
Position.The gas contained by oil internally flowed in fuel feeding stream 35 is stranded in damping space 41, so gas buffer portion 20
It can stably act, by the gas for being stranded in damping space 41, vibration, the noise brought by pulsation can be suppressed.
In the gas buffer portion 20 of the 20th shown in Figure 28, in extending in the horizontal to the right from left
Portion's fuel feeding stream 35, damping space 41 are erected setting.Damping space 41 is by from the longitudinal direction that internal bifurcation point 38 extends upward
Line part 43 is formed, and the upper end side of longitudinal line part 43 is closed.Longitudinal straight line as the damping space 41 of gas accumulating part
Position of the portion 43 positioned at the oil inside offering stream 35 being located at than internal bifurcation point 38 by the top.Internally flowed in fuel feeding stream 35
Oil contained by gas be stranded in damping space 41, so can stably be acted as gas buffer portion 20, by being stranded in
The gas of damping space 41, vibration, the noise brought by pulsation can be suppressed.
In order to be readily appreciated that the present invention, illustrated using specific structure, numeral, but the invention is not restricted to above-mentioned each reality
Specific structure, the numeral of mode are applied, can be recorded in the range of the content of claims and can think included in not departing from
The various modifications example arrived.
In above-mentioned 1st embodiment into the 5th embodiment, following structure is illustrated, aforementioned structure is, as
Gas buffer portion 20, makes gas be stranded in the inside in the device space 41 that shakes being made up of tubular body, and coolant and the gas being detained are straight
Ground connection contact.However, as gas buffer portion 20, it can also utilize, gas is filled in as rubber being capable of elasticity change
In the air bag that the film of shape is formed, so-called accumulator that coolant contacts indirectly with the gas in air bag.That is, in accumulator
In, coolant and gas are accepted by elastic membrane interval, the pressure of coolant via elastic membrane by gas.The accumulator is above-mentioned
At the oil-cooled type screw compressor 1 of 1 embodiment to the 5th embodiment, be connected to form primary flow path 14 pipe arrangement way in and
Used.
In addition, in the respective embodiments described above, to the biaxial screw of built-in intermeshing a pair of screw rotors of male and female 34
Compressor is illustrated.The present invention is by relative to having and by the teeth portion of screw rotor 34 cross main body oil supplying hole (confession fluid apertures)
37 and fuel feeding interruption caused by the compressor of oily pulsation compatibly apply.Thus, it is also possible to it is applied to, in the spiral shell of screw rotor
At spin slot gate rotor lock engagement and between the wall of helicla flute and lock fuel feeding interruption single screw compressor.
As coolant exemplified with oil, but coolant can also be water.In addition, the gas as compressed object is exemplified with sky
Gas, but can also be nitrogen, oxygen, natural gas, city combustion gas, the hydrocarbon gas, refrigerant gas used for refrigerator as the gas of compressed object
Body etc..
In the 1st embodiment into the 5th embodiment, the gas accumulating part 28 in gas buffer portion 20 is connected to from master
The tubular body for the fork pipe arrangement that stream 14 diverges.In the 6th embodiment, the gas accumulating part as gas buffer portion 20 works
Damping space 41 be the rotor case 32 for being formed on compressor main body 11 inside cavity.The gas in gas buffer portion 20 is deposited
Product portion can also possess both tubular body and cavity.
Description of reference numerals
1 oil-cooled type screw compressor (liquid-cooled compressor)
11 compressor main bodies
12 discharge duct
13 oily separation recoverers
14 main fuel feeding streams (feed flow stream)
14A cooling fork streams
14B bypasses stream
15 oil coolers
17 oil strainers
18 main body fuel feeding streams (feed flow stream)
19 temperature regulating valves
20 gas buffer portions
21 bearing fuel feeding streams
22 branched portions
23 entrances
24 vibration damping main bodys (straight tube)
25 outlets
26 covers
27 fork connectors
28 gas accumulating parts
29 fork connecting portions
29A fork connecting portions
32 rotor cases
33 rotor chambers (gas compression space)
34 screw rotors
35 oil inside offering streams (feed flow stream)
36 fuel feeding connecting holes
37 main body oil supplying holes (confession fluid apertures)
38 inside bifurcation points
39 bearing oil supplying holes
40 screwed pipe joints
41 damping spaces
42 bending sections
43 longitudinal line parts
44 angled straight lines portions
45 elbow pipe joints
46th, 47 connector
48 horizontal line parts
51 cooling junctions of two streams
52 fuel feeding bifurcation points.
Claims (according to the 19th article of modification of treaty)
A kind of 1. liquid-cooled compressor, it is characterised in that
Possess compressor main body, feed flow stream, gas buffer portion,
Aforementioned compressor main body compressed gas,
Foregoing feed flow stream connects with confession fluid apertures, and foregoing confession fluid apertures supply coolant to being formed on aforementioned compressor main body
In gas compression space,
These gases buffer part has a gas accumulating part, and These gases accumulating part stockpiles the coolant of accepting foregoing feed flow stream
The gas of pressure.
2. liquid-cooled compressor as claimed in claim 1, it is characterised in that
These gases buffer part is arranged at the foregoing feed flow stream of aforementioned compressor main body and close aforementioned compressor main body
It is at least one.
3. liquid-cooled compressor as claimed in claim 2, it is characterised in that
These gases buffer part is the tubular body to be diverged at branched portion from the foregoing feed flow stream close to aforementioned compressor main body,
The terminal part of the tubular body is closed.
4. liquid-cooled compressor as claimed in claim 2, it is characterised in that
These gases buffer part diverges at branched portion from the foregoing feed flow stream of foregoing compressor main body, is to be arranged at the pressure
Space in contracting owner's body, the terminal part in the space are closed.
5. liquid-cooled compressor as claimed in claim 1, it is characterised in that
These gases buffer part is provided at branched portion from foregoing feed flow stream and diverged.
6. the liquid-cooled compressor as any one of claim 3 to 5, it is characterised in that
The These gases accumulating part of These gases buffer part is located at the foregoing feed flow stream that is located at than foregoing branched portion by the top
Position.
7. liquid-cooled compressor as claimed in claim 3, it is characterised in that
The opening portion for being communicated in the These gases accumulating part of These gases buffer part is configured in flowing side with foregoing coolant
To in face of position.
8. liquid-cooled compressor as claimed in claim 1, it is characterised in that
Intermeshing a pair of screw rotors of male and female built in aforementioned compressor main body.
Illustrate or state (according to the 19th article of modification of treaty)
The explanation for the modification made according to " the 19th article of Patent Cooperation Treaty "
Applicant makees according to the pertinent regulations of " the 19th article of Patent Cooperation Treaty " to claims of this international application
Following modification：
The claim of original right requirement book the 1st is modified, remaining does not change.
Specifically, the 0028th section of record of the specification based on this international application（Referring to 0056 section of explanation in Chinese book
Record）, Fig. 1, Fig. 7, Fig. 8, will " These gases buffer part has gas accumulating part, and These gases accumulating part, which stockpiles, to be undertaken on
The gas of the pressure of the coolant flowed in foregoing feed flow stream " is modified as that " These gases buffer part has gas accumulating part, preceding
State the gas that gas accumulating part stockpiles the pressure for the coolant for accepting foregoing feed flow stream ".Illustrate hereby.
Claims (8)
- A kind of 1. liquid-cooled compressor, it is characterised in thatPossess compressor main body, feed flow stream, gas buffer portion,Aforementioned compressor main body compressed gas,Foregoing feed flow stream connects with confession fluid apertures, and foregoing confession fluid apertures supply coolant to being formed on aforementioned compressor main body In gas compression space,These gases buffer part has gas accumulating part, and These gases accumulating part, which stockpiles, is undertaken on what is flowed in foregoing feed flow stream The gas of the pressure of coolant.
- 2. liquid-cooled compressor as claimed in claim 1, it is characterised in thatThese gases buffer part is arranged at the foregoing feed flow stream of aforementioned compressor main body and close aforementioned compressor main body It is at least one.
- 3. liquid-cooled compressor as claimed in claim 2, it is characterised in thatThese gases buffer part is the tubular body to be diverged at branched portion from the foregoing feed flow stream close to aforementioned compressor main body, The terminal part of the tubular body is closed.
- 4. liquid-cooled compressor as claimed in claim 2, it is characterised in thatThese gases buffer part diverges at branched portion from the foregoing feed flow stream of foregoing compressor main body, is to be arranged at the pressure Space in contracting owner's body, the terminal part in the space are closed.
- 5. liquid-cooled compressor as claimed in claim 1, it is characterised in thatThese gases buffer part is provided at branched portion from foregoing feed flow stream and diverged.
- 6. the liquid-cooled compressor as any one of claim 3 to 5, it is characterised in thatThe These gases accumulating part of These gases buffer part is located at the foregoing feed flow stream that is located at than foregoing branched portion by the top Position.
- 7. liquid-cooled compressor as claimed in claim 3, it is characterised in thatThe opening portion for being communicated in the These gases accumulating part of These gases buffer part is configured in flowing side with foregoing coolant To in face of position.
- 8. liquid-cooled compressor as claimed in claim 1, it is characterised in thatIntermeshing a pair of screw rotors of male and female built in aforementioned compressor main body.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015077257A JP6472700B2 (en) | 2015-04-03 | 2015-04-03 | Liquid-cooled compressor |
| JP2015-077257 | 2015-04-03 | ||
| PCT/JP2016/056084 WO2016158152A1 (en) | 2015-04-03 | 2016-02-29 | Liquid-cooled compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107429681A true CN107429681A (en) | 2017-12-01 |
| CN107429681B CN107429681B (en) | 2021-05-18 |
Family
ID=57005618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680019994.9A Active CN107429681B (en) | 2015-04-03 | 2016-02-29 | Liquid-cooled compressor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6472700B2 (en) |
| CN (1) | CN107429681B (en) |
| WO (1) | WO2016158152A1 (en) |
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|---|---|---|---|---|
| JPS5956312U (en) * | 1982-10-06 | 1984-04-12 | トヨタ自動車株式会社 | side branch type silencer |
| JPH02153269A (en) * | 1988-12-05 | 1990-06-12 | Electric Power Dev Co Ltd | Pressure pulsation preventing device for piston pump for transporting sand slurry |
| JPH1193875A (en) * | 1997-07-25 | 1999-04-06 | Kobe Steel Ltd | Two-stage oil-cooled screw compressor |
| JPH11336683A (en) * | 1998-05-21 | 1999-12-07 | Mayekawa Mfg Co Ltd | Oil-cooled screw compressor |
| US20030077195A1 (en) * | 2001-10-19 | 2003-04-24 | Hiroshi Okada | Gas compressor apparatus |
| JP2003206864A (en) * | 2002-01-10 | 2003-07-25 | Kobe Steel Ltd | Oil-cooled compressor |
| CN1680719A (en) * | 2004-04-09 | 2005-10-12 | 株式会社神户制钢所 | Oil cooling compressor |
| CN102016326A (en) * | 2008-03-13 | 2011-04-13 | Aaf-麦克维尔公司 | High capacity chiller compressor |
| CN102220979A (en) * | 2010-04-14 | 2011-10-19 | 株式会社神户制钢所 | Compressor |
| CN103850941A (en) * | 2012-11-29 | 2014-06-11 | 珠海格力电器股份有限公司 | Compressor oil-injection device, compressor, compressor lubrication system and refrigeration system |
-
2015
- 2015-04-03 JP JP2015077257A patent/JP6472700B2/en active Active
-
2016
- 2016-02-29 CN CN201680019994.9A patent/CN107429681B/en active Active
- 2016-02-29 WO PCT/JP2016/056084 patent/WO2016158152A1/en active Application Filing
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5956312U (en) * | 1982-10-06 | 1984-04-12 | トヨタ自動車株式会社 | side branch type silencer |
| JPH02153269A (en) * | 1988-12-05 | 1990-06-12 | Electric Power Dev Co Ltd | Pressure pulsation preventing device for piston pump for transporting sand slurry |
| JPH1193875A (en) * | 1997-07-25 | 1999-04-06 | Kobe Steel Ltd | Two-stage oil-cooled screw compressor |
| JPH11336683A (en) * | 1998-05-21 | 1999-12-07 | Mayekawa Mfg Co Ltd | Oil-cooled screw compressor |
| US20030077195A1 (en) * | 2001-10-19 | 2003-04-24 | Hiroshi Okada | Gas compressor apparatus |
| JP2003206864A (en) * | 2002-01-10 | 2003-07-25 | Kobe Steel Ltd | Oil-cooled compressor |
| CN1680719A (en) * | 2004-04-09 | 2005-10-12 | 株式会社神户制钢所 | Oil cooling compressor |
| CN102016326A (en) * | 2008-03-13 | 2011-04-13 | Aaf-麦克维尔公司 | High capacity chiller compressor |
| CN102220979A (en) * | 2010-04-14 | 2011-10-19 | 株式会社神户制钢所 | Compressor |
| CN103850941A (en) * | 2012-11-29 | 2014-06-11 | 珠海格力电器股份有限公司 | Compressor oil-injection device, compressor, compressor lubrication system and refrigeration system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107429681B (en) | 2021-05-18 |
| JP2016196856A (en) | 2016-11-24 |
| JP6472700B2 (en) | 2019-02-20 |
| WO2016158152A1 (en) | 2016-10-06 |
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Effective date of registration: 20220214 Address after: Tokyo, Japan Patentee after: Shengang Compressor Co.,Ltd. Address before: Kobe City, Hyogo Prefecture, Japan Patentee before: Kobe Steel, Ltd. |
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