EP3194782A2 - Spiralverdichter - Google Patents
SpiralverdichterInfo
- Publication number
- EP3194782A2 EP3194782A2 EP15760194.9A EP15760194A EP3194782A2 EP 3194782 A2 EP3194782 A2 EP 3194782A2 EP 15760194 A EP15760194 A EP 15760194A EP 3194782 A2 EP3194782 A2 EP 3194782A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- compressor
- compressor body
- compressor according
- support surface
- central axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims abstract description 69
- 238000010168 coupling process Methods 0.000 claims abstract description 69
- 238000005859 coupling reaction Methods 0.000 claims abstract description 69
- 239000000463 material Substances 0.000 claims description 23
- 229910000639 Spring steel Inorganic materials 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000314 lubricant Substances 0.000 description 30
- 238000005461 lubrication Methods 0.000 description 13
- 230000002349 favourable effect Effects 0.000 description 8
- 230000001050 lubricating effect Effects 0.000 description 7
- 239000011148 porous material Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C17/00—Arrangements for drive of co-operating members, e.g. for rotary piston and casing
- F01C17/06—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements
- F01C17/063—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements with only rolling movement
-
- 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
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C29/0057—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions for eccentric movement
-
- 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
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- 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
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0253—Details concerning the base
-
- 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- 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
- F04C29/0021—Systems for the equilibration of forces acting on the pump
-
- 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
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/0085—Prime movers
-
- 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
- F04C29/02—Lubrication; Lubricant separation
-
- 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
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- 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
- F04C2240/00—Components
- F04C2240/50—Bearings
-
- 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
- F04C2240/00—Components
- F04C2240/60—Shafts
-
- 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
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/801—Wear plates
Definitions
- the invention relates to a compressor comprising a compressor housing, a compressor unit arranged in the scroll compressor unit with a first, stationary compressor body and a second, movable relative to the stationary compressor body movable compressor body, which formed in the form of a Kreisvolvente first and second spiral rib mesh to form compressor chambers, when the second compressor body is moved relative to the first compressor body on an orbital track, an axial guide supporting the movable compressor body against movements in the direction parallel to a center axis of the stationary compressor body and moving in the direction transverse to the central axis, a drive motor which has an eccentric drive for the scroll compressor unit driving one of the
- Drive motor driven and on a path around a central axis of the drive shaft rotating cam has, which cooperates with a cam receiver of the second compressor body,
- a compressor of the type described above in that the axial guide supports a compressor body base supporting the spiral rib of the second compressor body to an axial support surface, that the Axialstützamide transverse to the central axis slidably rests on a slider, which in turn is supported slidably transverse to the central axis on a carrier element arranged in the compressor housing.
- the slider could be either one-dimensionally movable relative to the compressor body base or relative to the carrier member.
- the sliding body is movable in two dimensions relative to the compressor body base and relative to the carrier element.
- the mobility of the slider can be realized when the slider is guided by a two-dimensional guide with play relative to the compressor body base or relative to the carrier element.
- the two-dimensional mobility of the slider and set in terms of the approved extent. For example, it can be determined by the guide with play that the slider relative to the compressor base or relative to the carrier element can perform a limited Oslosorbitalchi.
- the orbital movement is expediently defined by a predominantlysorbitalradius which is smaller than the compressor orbital radius of the movable compressor body.
- the guide orbital radius for the slider is at values equal to 0.5 times the compressor orbital radius. It is better if the guide orbital radius values are 0.3 times the compressor orbital radius or less, more preferably 0.2 times the compressor orbital radius or less.
- the guide orbital radius is 0.01 times the compressor orbital radius or more, 0.05 times the compressor orbital radius or more.
- the guide has a first guide element which is arranged on the sliding body and has a second guide body element which is connected either to the compressor body base or to the carrier element.
- the guide with play as guide elements has a guide pin and a guide recess which cooperates with the guide pin and which are movable relative to one another two-dimensionally by engaging the guide recess in the guide recess Guide pin is movable within the guide recess due to its relative to the diameter of the guide recess of smaller diameter.
- the axial support surface is designed as an annular surface running around the center axis of the movable compressor body.
- annular surface allows a reliable, uniform and secure support of the second compressor body and at the same time a structure of a homogeneous lubricating film, for the guiding properties and the
- the Axialstschreib construction could be supported on individual surface areas of the slider.
- the annular surface of the slider is dimensioned so that it is larger than the annular surface of the Axialstschreib requirements, so that the AxialstNeill construction is always supported in the orbiting movement of the second compressor body over its entire surface on the annular surface of the slider.
- a peripheral surface adjoins the axial support surface radially outboard and / or radially inward, which recesses relative to a plane in which the axial support surface extends runs.
- a particularly favorable solution provides that the edge surface directly adjoins the Axialstschreib requirements, and thus extends to the plane in which extends the Axialstschreib construction, and then with increasing
- the supply of lubricant between the axial support surface and the sliding body can also be further promoted by the fact that the axial support surface and / or a sliding support surface carrying the axial support surface are provided with micro-depressions, for example material-related and / or incorporated and / or embossed depression structures
- an advantageous solution provides that the sliding body is supported with a sliding bearing surface on the support element.
- the Gleitauflage configuration could also be formed from partial surfaces. It is particularly favorable if the sliding support surface is designed as an annular surface extending around the central axis of the stationary compressor body.
- the carrier element has a carrier surface on which the sliding body is supported by the sliding support surface.
- This support surface could also be formed from individual partial surfaces.
- the carrier surface is designed as a circumferential around the central axis of the stationary compressor body ring surface.
- the supply of lubricant between the carrier element and the sliding body can also be further facilitated by the fact that the sliding support surface and / or a support surface carrying the sliding support surface are provided with micro-recesses, for example material-related and / or incorporated and / or embossed depression structures
- the slider could have any shape.
- the sliding body is plate-shaped, in particular as an annular disc is formed.
- the first stationary compressor body is made of cast steel.
- Such a first compressor body made of cast steel has optimum stability and fatigue strength.
- the second compressor body is made of an aluminum alloy, in particular of aluminum alloy casting.
- the production of the second compressor body made of an aluminum alloy has the advantage that this second compressor body has a low mass, which brings particular advantages when the second compressor body to move at high speed on the orbital path around the central axis of the first compressor body around.
- a material combination of aluminum alloy cast steel between the first and the second compressor body has the advantage of good running properties with a high fatigue strength and longevity.
- the slider could be made of any material, which, however, should result in an optimal material pairing to the second compressor body and the support element.
- the slider is formed of spring steel.
- the design of the slider made of spring steel on the one hand has the advantage that a favorable material pairing is given to the second compressor body made of aluminum, and on the other hand the advantage that thereby also an optimal material pairing can be produced to the support element.
- the design of the second sliding body made of spring steel has great advantages for cost reasons, since spring steel is a cost-effective material from which the shape suitable for the slider can be produced in a simple manner by cutting or punching.
- the support element could be made in the simplest case of steel or from the material of the compressor housing.
- the carrier element is made of sintered material, for example sintered metal.
- the carrier element has a carrier surface, formed by an open-pored sintered material, on which the sliding body is supported with its sliding support surface.
- Such an open-pored sintered material for forming the support surface has the great advantage that it can advantageously absorb lubricant and then also deliver it to the lubrication between the support surface and the sliding support surface.
- the lubricant can be held in particular in the open pores of the sintered material, so that in a simple manner, a lubricating film between the support surface and the Gleitauflagefiguration can be maintained permanently.
- the use of sintered material has proved, which is softer than the spring steel of the sliding element, so that thus results in an advantageous for a sliding material pairing between the support member and the slider.
- Such a solution is particularly advantageous in terms of manufacture, since no separate part for the formation of the support surface is required, but the support surface itself can be formed by the compressor body base.
- driver receptacle is integrated in the compressor body base, so that no further part is required for this purpose.
- the cam receiver is arranged in the direction parallel to the central axis of the movable compressor body without supernatant to the support surface on the compressor body base, so that the force acting on the Mit Talentfact forces when driving the second compressor body in the direction parallel to the central axis seen between the support surface and the spiral ribs on the second compressor body act and thus the forces acting on the second compressor body during operation of the scroll compressor unit tilting moments are kept small.
- the self-rotation preventing coupling at least two coupling element sets, comprising at least two coupling elements comprises.
- Such a coupling can be realized in various ways.
- Compressor body base is held.
- one of the coupling elements is held on the carrier unit.
- the coupling element sets are arranged and formed so that they directly between the carrier unit and the
- Compressor body base of the second compressor body are effective, so that a compact design can be realized.
- the self-rotation preventing clutch has more than two coupling element sets.
- one of the coupling elements is formed by a pin body.
- one of the coupling elements is designed as a cylindrical receptacle.
- a further advantageous solution provides that one of the coupling elements is designed as arranged in the cylindrical receptacle annular body.
- the annular body loose, that is with game, sitting in the cylindrical receptacle and thus can move relative to the cylindrical receptacle.
- Such a design of the coupling element sets has the great advantage that on the one hand ensure optimum lubrication and on the other hand allow a low-noise movement of the second compressor body relative to the first compressor body, since in each of the coupling element sets two damping lubricant films are present, namely on the one hand, a lubricant film between the pen body and the annular body and on the other hand, a lubricant film between the annular body and the cylindrical receptacle, in which the annular body is arranged.
- the slider and the coupling element sets could be arranged separately.
- the slider could extend outside the coupling element sets, or vice versa. It is advantageous if the coupling element sets pass through the sliding body, so that thereby lubricant can be transported between the sliding body and the coupling element sets, in particular if the coupling element sets pass through openings in the sliding body.
- Compressor body is provided with pockets which have the cylindrical receptacles of the coupling element sets facing openings.
- Such pockets with the cylindrical receptacles facing openings have the advantage that it is entrained by these lubricants in the orbiting movement of the second compressor body base and thus lubricant can always be transported to the cylindrical receptacles.
- the effect of the pockets is particularly favorable if the openings of the pockets are each overlappingly positionable with two cylindrical receptacles arranged successively in the direction of rotation, that is to say that in this case the openings of the pockets have an angular extent such that they are in the orbiting movement of the pockets Compressor body base in each rotational position in each case two pockets can connect to each other and thus can advantageously transport lubricant from a cylindrical receptacle to the other cylindrical receptacle.
- a lying course of the central axis of the stationary compressor body means that the central axis runs during operation of the compressor according to the invention approximately parallel to a horizontal, wherein Under the term “approximately parallel” is to be understood that the angle between the central axis and the horizontal when using the compressor according to the invention in the normal operating state is a maximum of 30 °, more preferably a maximum of 20 °.
- the drive shaft of the drive motor is substantially horizontal, with the same conditions apply to the angle between the central axis of the drive shaft and a horizontal as for the
- the compressor housing is made of an aluminum alloy in order to build the compressor of the invention as possible to save weight.
- the compressor also has a better resistance to external weather conditions.
- Fig. 1 is a perspective view of an inventive
- Figure 2 is a longitudinal section through the compressor according to the invention, in a plane passing through a central axis of a stationary compressor body sectional plane.
- 3 shows a cross section through a spiral compressor unit in the region of the intermeshing spiral ribs and a representation of an orbital path of the movable spiral rib relative to the stationary spiral rib.
- FIG. 4 shows an enlarged longitudinal section according to FIG. 2 in the region of the movable compressor body and an axial guide for the movable compressor body;
- FIG. 5 shows a further enlarged section through a partial region of the axial guide in the region of a guide with clearance for a sliding body of the axial guide;
- Fig. 6 is a plan view of the axial guide with the slider and a supporting this support member;
- Fig. 7 is a perspective view of the axial guide together
- Clutch elements of a clutch to prevent self-rotation comprising a plurality of coupling element sets
- Fig. 8 is a plan view of one of the spiral rib opposite
- Fig. 14 is a schematic representation of the interaction of the
- FIG. 15 is a section along line 15-15 in Fig. 4 and FIG. 16 is a section along line 16--16 in FIG. 15th
- An in Fig. 1 illustrated embodiment of a designated as a whole with 10 compressor according to the invention for a gaseous medium, in particular a refrigerant comprises a designated as a whole with 12 compressor housing, which has a first end housing portion 14, a second end housing portion 16 and between the end housing sections 14 and 16th arranged intermediate section 18 has.
- spiral compressor unit is provided which a first in the compressor housing 12, in particular in the first housing portion 14, stationary arranged compressor body 24 and a second relative to the stationary arranged compressor body 24 movable
- Compressor body 26 has.
- the first compressor body 24 includes a compressor body base 32 over which a first spiral rib 34 rises and the second compressor body 26 also includes a compressor body base 36 above which a second spiral rib 38 rises.
- the compressor bodies 24 and 26 are arranged relative to one another such that the spiral ribs 34, 38 engage in one another, as shown in FIG. 3, between at least one, preferably a plurality of compression chambers 42 to form, in which a compression of the gaseous medium, for example, refrigerant, characterized in that the second compressor body 26 with its central axis 46 about a central axis 44 of the first compressor body 24 on a Orbitalbahn 48 moves with a Ver emphasizerorbitalbahnradius VOR, wherein the volume of the compression chambers 42 is reduced and finally compressed gaseous medium exits through a central outlet 52, while aspirated gaseous medium by circumferentially opening compressor chambers radially outwardly relative to the central axis 44 is sucked.
- a compression of the gaseous medium for example, refrigerant
- the sealing of the compression chambers 42 relative to each other also takes place, in particular, in that the spiral ribs 34, 38 are provided at the end with axial sealing elements 54 and 58 which abut sealingly against the respective bottom surface 62, 64 of the respective other compressor body 26, 24, the bottom surfaces 62 , 64 are formed by the respective compressor body base 36 and 32 and lie in a direction perpendicular to the central axis 46 extending plane.
- the spiral compressor unit 22 is accommodated as a whole in a first housing body 72 of the compressor housing 12, which has a front-side cover portion 74 and an integrally formed on the front-side cover portion 74 cylindrical annular portion 76, which in turn with a ring projection 78 in an end sleeve 82 of the intermediate portion 18 forming central housing body 84 engages, wherein the central housing body 84 is closed on a side opposite the first housing body 72 side by a second housing body 86 which forms an inlet chamber 88 for the gaseous medium.
- the first housing body 72 encloses with the cylindrical ring portion 76 a receptacle 92 for the scroll compressor unit 22, which has a bearing surface 94 for the compressor body base 32 of the first compressor body 24.
- the first compressor body 24 is fixed immovably in the receptacle 92 against all movements parallel to the support surface 94.
- the first compressor body 24 is fixed within the first housing body 72 and thus also within the compressor housing 12 in a precisely defined position stationary.
- Compressor housing 12 positioned first compressor body 24 and is supported in the direction parallel to the central axis 44 such that the Axialêtlemente 58 remain on the bottom surface 64 and not lift from this, while the compressor body base 36 with the Axialstütz construction 102 transversely to the central axis 44 slidably relative to the axial guide 96 can move.
- the axial guide 96 formed by a support member 112, which is in particular made of an open-pore sintered material and having an axial support surface 102 facing support surface 114, on which but not the compressor body base 36 rests with the Axialstütz tone 102, but on which a as a whole 116 denoted in particular plate-shaped slider 116 rests with a sliding bearing surface 118, wherein the slider 116 with a Gleitauflage Structure 118 opposite Gleitstütz phenomenon 122 supports the Axialstütz Structure 102 against movements parallel to the central axis 44 but slidably supported with respect to movements transverse to the central axis 44.
- the axial guide 96 provides that upon movement of the second compressor body 26 on the orbital path 48 about the central axis 44 of the first compressor body 24 on the one hand, the second compressor body 26 with the compressor body base 36 and the Axialstschreib character 102 moves relative to the slider 116 On the other hand, on the other hand, the sliding body 116 in turn moves relative to the support member 118.
- a sliding between the compressor body base 36 and the slider 116 by a movement of the AxialstNeill constitution 102 relative to the Gleitstütz phenomenon 122 of the slider 116 takes place and also occurs a sliding of the Gleitauflage substances 118 of the slider 116 relative to the support surface 114 of the support member 112nd
- the Gleitstütz configuration 122 and the Gleitauflage composition 118 of the slider 116 are provided with recesses 123, in particular micro-recesses, which form receptacles for a lubricant and contribute to the distribution of the lubricant, such as
- the slider 116 is guided by a designated as a whole with 132 guide with play relative to the support member 112, wherein the guide with game 132 provided in the slider 116
- Guide recess 134 includes, which has a diameter DF, and a anchored in the support member 112 guide pin 136 whose diameter DS is smaller than the diameter DF, so that half of the difference DF-DS defines a predominantlysorbitalradius FOR, with which the slider 116 can perform an orbiting movement relative to the carrier element 112.
- the gap 146 due to the movement of the slider 116 with the NASAradius FOR relative to the support member 112 is similar to the operation of a hydrodynamic bearing with a
- the guide orbital radius FOR it is sufficient for the guide orbital radius FOR to be 0.01 times the compressor orbital radius VOR or more, in particular, 0.05 times the compressor orbital radius VOR or more.
- the guide orbital radius FOR is 0.3 times the
- Compressor orbital radius PRE or less more preferably 0.2 times the compressor orbital radius BEFORE or less.
- lubrication is ensured by the fact that lubricant enters into the pores of the carrier element 112 and is thus available over the pores of the carrier element 112 in the region of the carrier surface 114 for building up the lubricant film 147 in the intermediate space 146.
- the sliding body 116 itself is formed as a plate-shaped, annular part made of spring steel and thus the support surface 114 facing Gleitauflage Structure 118 is a smooth Federstahlober Chemistry, the formation of the lubricant film 147 in the intermediate space 146 is additionally promoted. Furthermore, the material combination of open-pore sintered material, which is softer in the region of the carrier surface 114 than spring steel, and the spring steel in the region of the sliding support surface 118 due to the wear resistance advantageous endurance properties.
- the compressor body base 36 is disposed in a radially outboard and a radially inward edge region 152 having a relative to the axial support surface 102 inclined and opposite axial support surface 102, recessed extending edge surface 154 which, together with the sliding support surface 122 leads to a wedge-shaped radially outwardly or radially inwardly opening gap 158, which facilitates the access of lubricant to the intermediate space 148.
- the Axialstütz construction 102 and the cooperating Gleitstütz phenomenon 122 and the support surface 114 and the cooperating Gleitauflage requirements 118 are all disposed radially outside of several coupling element sets 162, which are at equal radial distances from the central axis 44 and at equal angular intervals circumferentially about the central axis 44 are arranged and together form a coupling 164 which prevents self-rotation of the second movable compressor body 26.
- Each of these coupling element sets 162 comprises, as shown in FIGS. 4, 6 to 8, as a first coupling element 172 a pin body 174, which has a cylindrical lateral surface 176 and engages with this cylindrical lateral surface 176 in a second coupling element 182.
- the second coupling element 182 is formed by an annular body 184 having a cylindrical inner surface 186 and a cylindrical outer surface 188 which are coaxial with each other. This second coupling element 182 is guided in a third coupling element 192, which is provided as one provided in the carrier element 112
- Receiving 194 is formed for the annular body 184 and which has a cylindrical inner wall surface 196.
- a diameter DI of the inner wall surface 196 is greater than a diameter DRA of the cylindrical outer surface 188 of the annular body 184 and a diameter DRI of the cylindrical inner surface 186 inevitably smaller than the diameter DRA of the cylindrical outer surfaces 188 of the annular body 184, wherein also the diameter DRI of the cylindrical Inner surface 186 is larger than a diameter DSK of the cylindrical lateral surface 176 of the pin body 174th
- each coupling element set 162 in turn forms an orbital guide whose maximum orbital radius OR for the orbital motion corresponds to DI / 2 (DRA-DRI) DSK / 2.
- Coupling element sets 162 is effective to prevent the self-rotation of the second movable compressor body 26, wherein, for example, with six coupling element sets 162 after passing through an angular range of 60 °, the effectiveness of each coupling element set 162 of a coupling element set 162 to the direction of rotation next coupling element set 162 changes. Due to the fact that each coupling element set 162 three
- Clutch elements 172, 182 and 192 and in particular an annular body 184 between the respective pin body 174 and the respective receptacle 194 is effective, on the one hand, the wear resistance of
- Improved coupling element sets 162 on the other hand, the lubrication improved in the same area and also reduces the noise generated by the coupling element sets 162, which results from the change of effectiveness of a coupling element set 162 to the other coupling element set 162.
- the coupling element sets 162 undergo adequate lubrication, in particular lubrication between the cylindrical surface 176 of the pin body 174 and the cylindrical inner surface 186 of the ring body 184 and lubrication between the cylindrical outer surface 188 of the ring body 184 and the cylindrical inner wall surface 196 of Recording 194.
- the coupling element sets 162 pass through the sliding body 116, in particular the pin bodies 174 penetrate through openings 198 (FIG. 7) of the sliding body 116, whereby lubricant from the
- Lubricating films 147 and 149 can be supplied to the coupling element sets 162.
- successive recordings 194 of the coupling element sets 162 may overlap, so that the pockets 204 are capable of one
- the pockets 204 are arranged to extend around either side of a geometric arc 208 about the central axis 46, which intersects the holes 202 in the center to always achieve optimum overlap with the receptacles 194.
- the inventive concept of the lubrication of the axial guide 96 and the coupling element sets 162 is particularly advantageous if the center axes 44 and 46 of the compressor body 24 and 26 lying normally, that is a maximum of an angle of 30 ° to a horizontal run, in the compressor housing 12, in particular in the region of the first housing body 72 at a lowermost position in the gravitational direction forms a lubricant bath 210 from which swirled lubricant in operation while being received and distributed in the manner described.
- the drive of the movable compressor body 24 is effected by a drive motor designated as a whole by 212, which in particular has a stator 214 held in the central housing body 84 and a rotor 216 arranged inside the stator 214, which is arranged on a drive shaft 218 which is coaxial with the central axis 44 of the stationary compressor body 24 extends.
- the drive shaft 218 is mounted on the one hand in a bearing unit 222 arranged between the drive motor 212 and the spiral compressor unit 22 and in the central housing body 84 and on the other hand in a bearing unit 224 which is arranged on a side of the drive motor 212 opposite the bearing unit 222.
- the bearing unit 224 is mounted, for example, in the second housing body 86, which closes the central housing body 84 on a side opposite the first housing body 72 side.
- aspirated medium in particular the refrigerant
- the drive shaft 218 drives, via an eccentric drive designated as a whole by 232, the movable compressor body 26, which moves in an orbiting manner about the central axis 44 of the stationary compressor body 24.
- the eccentric drive 232 in particular comprises an eccentric pin 234 held in the drive shaft 218, which moves a driver 236 on an orbital path about the central axis 44, which is rotatably mounted on the eccentric pin 234 and in turn is rotatably mounted in a pivot bearing 238, the pivot bearing 238 a Turning the driver 236 relative to the movable compressor body 26 allowed.
- the driver 236 is relative to the eccentric pin 234 and relative to
- Mitstrut 242 limited rotation and allows adjustment of the radius of the orbital movement of the movable compressor body 26 to hold the spiral ribs 34 and 38 in abutment with each other.
- the second compressor body 26 For receiving the pivot bearing 238, as shown in FIGS. 2, 4 and 16, the second compressor body 26 is provided with a driver receptacle 242, which receives the pivot bearing 238.
- the driver receptacle 242 is relative to the flat side 98 of the
- the compressor body base 36 is reset and thus arranged integrated in the compressor body base 36, so that the forces acting on the movable compressor body 26 driving forces on one of the spiral rib 38 side facing the Flat side 98 of the compressor body base 36 are effective and thus drive with low tilting moment the movable compressor body 26, as viewed axially through the axial guide 96 in the direction of the central axis 44 between the driver receptacle 242 and the electric motor 212 on the Axialstütz construction 102 and guided transversely to the central axis 44 movable is
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19171627.3A EP3540229B1 (de) | 2014-09-17 | 2015-09-09 | Spiralverdichter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014113435.4A DE102014113435A1 (de) | 2014-09-17 | 2014-09-17 | Kompressor |
PCT/EP2015/070568 WO2016041824A2 (de) | 2014-09-17 | 2015-09-09 | Kompressor |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19171627.3A Division EP3540229B1 (de) | 2014-09-17 | 2015-09-09 | Spiralverdichter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3194782A2 true EP3194782A2 (de) | 2017-07-26 |
EP3194782B1 EP3194782B1 (de) | 2019-05-01 |
Family
ID=54065372
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19171627.3A Active EP3540229B1 (de) | 2014-09-17 | 2015-09-09 | Spiralverdichter |
EP15760194.9A Active EP3194782B1 (de) | 2014-09-17 | 2015-09-09 | Spiralverdichter |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19171627.3A Active EP3540229B1 (de) | 2014-09-17 | 2015-09-09 | Spiralverdichter |
Country Status (5)
Country | Link |
---|---|
US (2) | US10634141B2 (de) |
EP (2) | EP3540229B1 (de) |
CN (2) | CN106795768B (de) |
DE (1) | DE102014113435A1 (de) |
WO (1) | WO2016041824A2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014113435A1 (de) | 2014-09-17 | 2016-03-17 | Bitzer Kühlmaschinenbau Gmbh | Kompressor |
KR102080622B1 (ko) | 2015-03-06 | 2020-02-25 | 한온시스템 주식회사 | 스크롤 압축기 |
CN108779675B (zh) * | 2016-02-25 | 2021-05-11 | 比泽尔制冷设备有限公司 | 压缩机 |
DE102017111778B4 (de) | 2017-05-30 | 2019-09-19 | Hanon Systems | Vorrichtung zum Verdichten eines gasförmigen Fluids |
JP6711331B2 (ja) | 2017-08-11 | 2020-06-17 | 株式会社Soken | スクロール圧縮機 |
DE102020133438A1 (de) | 2020-12-14 | 2022-06-15 | Bitzer Kühlmaschinenbau Gmbh | Scrollmaschine, insbesondere Scrollkompressor oder -expander und Kälteanlage |
JP2022112858A (ja) * | 2021-01-22 | 2022-08-03 | 三菱重工サーマルシステムズ株式会社 | 圧縮機 |
KR102630534B1 (ko) * | 2022-01-14 | 2024-01-29 | 엘지전자 주식회사 | 스크롤 압축기 |
DE102022134443A1 (de) * | 2022-12-21 | 2024-06-27 | OET GmbH | Verdrängermaschine |
Family Cites Families (28)
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JPS5830402A (ja) * | 1981-08-14 | 1983-02-22 | Hitachi Ltd | スクロ−ル流体機械 |
JPS62159780A (ja) * | 1986-01-06 | 1987-07-15 | Mitsubishi Electric Corp | スクロ−ル圧縮機 |
KR910002402B1 (ko) * | 1986-11-05 | 1991-04-22 | 미쓰비시전기 주식회사 | 스크롤압축기 |
JP2983325B2 (ja) * | 1991-04-26 | 1999-11-29 | 株式会社日本自動車部品総合研究所 | スクロール型圧縮機 |
JP2592344Y2 (ja) * | 1993-04-13 | 1999-03-17 | 株式会社豊田自動織機製作所 | スクロール型圧縮機 |
JPH07109983A (ja) * | 1993-10-13 | 1995-04-25 | Nippondenso Co Ltd | スクロール型圧縮機 |
JPH08151983A (ja) * | 1994-11-30 | 1996-06-11 | Matsushita Electric Ind Co Ltd | スクロール圧縮機 |
JPH1130187A (ja) | 1997-07-10 | 1999-02-02 | Mitsubishi Heavy Ind Ltd | スクロール型流体機械 |
US6158989A (en) * | 1997-12-15 | 2000-12-12 | Scroll Technologies | Scroll compressor with integral outer housing and fixed scroll member |
JP2002310073A (ja) * | 2001-04-17 | 2002-10-23 | Toyota Industries Corp | スクロール圧縮機及びスクロール圧縮機のガス圧縮方法 |
JP4013730B2 (ja) * | 2002-10-25 | 2007-11-28 | 株式会社豊田自動織機 | スクロールコンプレッサ |
JP4739103B2 (ja) * | 2006-04-21 | 2011-08-03 | サンデン株式会社 | スクロール型流体機械 |
JP2007291879A (ja) * | 2006-04-21 | 2007-11-08 | Sanden Corp | スクロール型流体機械 |
JP5039327B2 (ja) * | 2006-06-14 | 2012-10-03 | 三菱重工業株式会社 | スクロール圧縮機 |
US7878777B2 (en) | 2006-08-25 | 2011-02-01 | Denso Corporation | Scroll compressor having grooved thrust bearing |
JP4884904B2 (ja) * | 2006-09-26 | 2012-02-29 | 三菱重工業株式会社 | 流体機械 |
JP2008180094A (ja) * | 2007-01-23 | 2008-08-07 | Sanden Corp | スクロール型流体機械 |
JP2008303819A (ja) * | 2007-06-08 | 2008-12-18 | Sanden Corp | スクロール圧縮機 |
US8453707B2 (en) * | 2007-07-16 | 2013-06-04 | Mckeon Rolling Steel Door Co., Ltd. | Two-motor drive arrangement for a roller curtain |
JP5342137B2 (ja) * | 2007-12-27 | 2013-11-13 | 三菱重工業株式会社 | スクロール圧縮機 |
US8672646B2 (en) * | 2008-06-16 | 2014-03-18 | Mitsubishi Electric Corporation | Scroll compressor |
JP5386219B2 (ja) * | 2009-04-27 | 2014-01-15 | 三菱重工業株式会社 | スクロール圧縮機 |
US20110020047A1 (en) * | 2009-07-27 | 2011-01-27 | Tae Jin Kim | Single package for multi-applicator with single or multi-chambers |
JP2012017656A (ja) * | 2010-07-06 | 2012-01-26 | Sanden Corp | スクロール型圧縮機 |
JP2012241530A (ja) * | 2011-05-16 | 2012-12-10 | Mitsubishi Electric Corp | スクロール圧縮機 |
JP5787744B2 (ja) * | 2011-12-22 | 2015-09-30 | 三菱電機株式会社 | 摺動機構およびロータリ圧縮機およびスクロール圧縮機 |
JP2014101835A (ja) * | 2012-11-21 | 2014-06-05 | Mitsubishi Electric Corp | スクロール圧縮機 |
DE102014113435A1 (de) | 2014-09-17 | 2016-03-17 | Bitzer Kühlmaschinenbau Gmbh | Kompressor |
-
2014
- 2014-09-17 DE DE102014113435.4A patent/DE102014113435A1/de not_active Withdrawn
-
2015
- 2015-09-09 EP EP19171627.3A patent/EP3540229B1/de active Active
- 2015-09-09 EP EP15760194.9A patent/EP3194782B1/de active Active
- 2015-09-09 CN CN201580050254.7A patent/CN106795768B/zh active Active
- 2015-09-09 WO PCT/EP2015/070568 patent/WO2016041824A2/de active Application Filing
- 2015-09-09 CN CN201911022750.8A patent/CN110925196A/zh active Pending
-
2017
- 2017-03-15 US US15/459,594 patent/US10634141B2/en active Active
-
2020
- 2020-03-18 US US16/822,805 patent/US11396877B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3194782B1 (de) | 2019-05-01 |
WO2016041824A2 (de) | 2016-03-24 |
US20200217319A1 (en) | 2020-07-09 |
CN110925196A (zh) | 2020-03-27 |
EP3540229A1 (de) | 2019-09-18 |
DE102014113435A1 (de) | 2016-03-17 |
US10634141B2 (en) | 2020-04-28 |
CN106795768A (zh) | 2017-05-31 |
WO2016041824A3 (de) | 2016-06-02 |
US11396877B2 (en) | 2022-07-26 |
CN106795768B (zh) | 2019-11-26 |
EP3540229B1 (de) | 2021-11-03 |
US20170184107A1 (en) | 2017-06-29 |
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