EP3567252B1 - In zwei richtungen rotierender spiralverdichter - Google Patents
In zwei richtungen rotierender spiralverdichter Download PDFInfo
- Publication number
- EP3567252B1 EP3567252B1 EP18755010.8A EP18755010A EP3567252B1 EP 3567252 B1 EP3567252 B1 EP 3567252B1 EP 18755010 A EP18755010 A EP 18755010A EP 3567252 B1 EP3567252 B1 EP 3567252B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- driving
- driven
- side wall
- scroll
- support member
- 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.)
- Active
Links
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000000621 Bidens tripartita Nutrition 0.000 description 1
- 240000004082 Bidens tripartita Species 0.000 description 1
- 208000006637 fused teeth Diseases 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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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
- 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
- F04C23/001—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 of similar working principle
-
- 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
- F01C1/00—Rotary-piston machines or engines
- F01C1/02—Rotary-piston machines or engines 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
- F01C1/0207—Rotary-piston machines or engines 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
- F01C1/0246—Details concerning the involute wraps or their base, e.g. geometry
- F01C1/0253—Details concerning the base
-
- 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
- F01C1/00—Rotary-piston machines or engines
- F01C1/02—Rotary-piston machines or engines 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
- F01C1/0207—Rotary-piston machines or engines 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
- F01C1/023—Rotary-piston machines or engines 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 both members are moving
-
- 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
-
- 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
-
- 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
- F04C18/023—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 both members are 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
- F04C18/023—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 both members are moving
- F04C18/0238—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 both members are moving with symmetrical double wraps
-
- 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
- F04C2240/00—Components
- F04C2240/50—Bearings
Definitions
- the present disclosure relates to a co-rotating scroll compressor.
- a co-rotating scroll compressor has been well-known (refer to PTL 1).
- the co-rotating scroll compressor includes a driving-side scroll and a driven-side scroll that rotates in synchronization with the driving-side scroll, and causes a drive shaft causing the driving-side scroll to rotate and a driven shaft supporting rotation of the driven-side scroll to rotate in the same direction at the same angular velocity while the driven-shaft is offset by a revolving radius from the drive shaft.
- the co-rotating scroll compressor adopts a configuration in which a front end of a spiral wall of each of the driving-side scroll and the driven-side scroll is supported by a support member in some cases.
- positioning pins that accurately position phases of the driving-side scroll and the driven-side scroll around a rotation axis are provided in order to ensure engagement of the spiral walls.
- the positioning pins When the positioning pins are pressed into the spiral walls, however, the walls may be deformed to impair the engagement of the walls, which may deteriorate performance and durability.
- the present disclosure is made in consideration of such circumstances, and an object of the present disclosure is to provide a co-rotating scroll compressor that is not deteriorated in performance and durability when the walls are positioned by the positioning pins.
- a co-rotating scroll compressor according to the present disclosure adopts the following solutions.
- a co-rotating scroll compressor includes: a driving-side scroll member that is rotationally driven by a driving unit and includes a spiral driving-side wall disposed on a driving-side end plate; a driven-side scroll member that includes a driven-side wall corresponding to the driving-side wall, the driven-side wall being disposed on a driven-side end plate and engaging with the driving-side wall to form a compression chamber; and a synchronous driving mechanism that transmits driving force from the driving-side scroll member to the driven-side scroll member to cause the driving-side scroll member and the driven-side scroll member to perform rotational movement in a same direction at a same angular velocity.
- a support member is provided to a front end of at least one of the driving-side wall and the driven-side wall in an axis direction.
- the support member is connected to the front end by a positioning pin positioning a phase around a rotation axis, and rotates together with the connected wall.
- the positioning pin is pressed into the support member and is fitted into the wall in a non-pressed-in state.
- the driving-side scroll member is rotationally driven by the driving unit, and the driving force transmitted to the driving-side scroll member is transmitted to the driven-side scroll member through the synchronous driving mechanism.
- the driven-side scroll member rotates as well as performs rotational movement in the same direction at the same angular velocity with respect to the driving-side scroll member.
- the co-rotating scroll compressor in which both of the driving-side scroll member and the driven-side scroll member rotate is provided.
- the wall and the support member are connected by the positioning pin.
- the positioning pin is pressed into the support member while the positioning pin is fitted into the wall in the non-pressed-in state.
- the positioning pin can be firmly fixed to the support member, and fitting of the positioning pin does not cause shape deformation of the wall. Since shape deformation does not occur on the wall, there is no possibility of deterioration in performance and durability.
- fitting in non-pressed-in state indicates fitting at a degree at which a pin hole is not deformed and enlarged due to fitting of the positioning pin and the member is not deformed. Examples of such fitting include loose fitting.
- the positioning pin is provided at each of at least two positions around the rotation axis.
- the driving-side scroll member includes a first driving-side scroll portion and a second driving-side scroll portion.
- the first driving-side scroll portion includes a first driving-side end plate and a first driving-side wall and is driven by the driving unit.
- the second driving-side scroll portion includes a second driving-side end plate and a second driving-side wall.
- the driven-side scroll member includes a first driven-side wall and a second driven-side wall. The first driven-side wall is provided on one side surface of the driven-side end plate and engages with the first driving-side wall, and the second driven-side wall is provided on another side surface of the driven-side end plate and engages with the second driving-side wall.
- the co-rotating scroll compressor includes a first support member and a second support member.
- the first support member is fixed to a front end side of the first driven-side wall in the axis direction with the first driving-side end plate in between and rotates together with the first driven-side wall.
- the second support member is fixed to a front end side of the second driven-side wall in the axis direction with the second driving-side end plate in between and rotates together with the second driven-side wall.
- the positioning pin is provided between the first driven-side wall and the first support member and between the second driven-side wall and the second support member.
- the positioning pin is provided between the first driven-side wall and the connected support member and between the second driven-side wall and the connected support member.
- the positioning pin is pressed into the support member while the positioning pin is fitted into the wall in the non-pressed-in state. Therefore, there is no possibility of deterioration in performance and durability.
- Fig. 1 illustrates a co-rotating scroll compressor (scroll compressor) 1 according to a first embodiment.
- the co-rotating scroll compressor 1 can be used as, for example, a supercharger that compresses combustion air (fluid) to be supplied to an internal combustion engine such as a vehicle engine.
- the co-rotating scroll compressor 1 includes a housing 3, a motor (driving unit) 5 accommodated on one end side in the housing 3, and a driving-side scroll member 70 and a driven-side scroll member 90 that are accommodated on the other end side in the housing 3.
- the housing 3 has a substantially cylindrical shape, and includes a motor accommodation portion 3a that accommodates the motor 5, and a scroll accommodation portion 3b that accommodates the scroll members 70 and 90.
- a cooling fin 3c to cool the motor 5 is provided on an outer periphery of the motor accommodation portion 3a.
- a discharge opening 3d from which compressed air (working fluid) is discharged is provided at an end part of the scroll accommodation portion 3b. Note that, although not illustrated in Fig. 1 , the housing 3 includes an air suction opening from which air (working fluid) is sucked in.
- the motor 5 is driven by being supplied with power from an unillustrated power supply source. Rotation of the motor 5 is controlled by an instruction from an unillustrated control unit.
- a stator 5a of the motor 5 is fixed to an inner periphery of the housing 3.
- a rotor 5b of the motor 5 rotates around a driving-side rotation axis CL1.
- a driving shaft 6 that extends on the driving-side rotation axis CL1 is connected to the rotor 5b.
- the driving shaft 6 is connected to a first driving-side shaft portion 7c of the driving-side scroll member 70.
- the driving-side scroll member 70 includes the first driving-side scroll portion 71 on the motor 5 side, and the second driving-side scroll portion 72 on the discharge opening 3d side.
- the first driving-side scroll portion 71 includes the first driving-side end plate 71a and the first driving-side walls 71b.
- the first driving-side end plate 71a is connected to the first driving-side shaft portion 7c connected to the driving shaft 6, and extends in a direction orthogonal to the driving-side rotation axis CL1.
- the first driving-side shaft portion 7c is provided so as to be rotatable with respect to the housing 3 through the first driving-side bearing 11 that is a ball bearing.
- the first driving-side end plate 71a has a substantially disc shape in a planar view.
- the plurality of first driving-side walls 71b each formed in a spiral shape are provided on the first driving-side end plate 71a.
- the first driving-side walls 71b are disposed at equal intervals around the driving-side rotation axis CL1.
- the second driving-side scroll portion 72 includes the second driving-side end plate 72a and the second driving-side walls 72b.
- the plurality of second driving-side walls 72b each formed in a spiral shape are provided similarly to the above-described first driving-side walls 71b.
- the cylindrical second driving-side shaft portion 72c that extends in the driving-side rotation axis CL1 is connected to the second driving-side end plate 72a.
- the second driving-side shaft portion 72c is provided so as to be rotatable with respect to the housing 3 through the second driving-side bearing 14 that is a ball bearing.
- the second driving-side end plate 72a includes the discharge port 72d extending along the driving-side rotation axis CL1.
- Two seal members 16 are provided on a front end side (left side in Fig. 1 ) of the second driving-side shaft portion 72c relative to the second driving-side bearing 14, between the second driving-side shaft portion 72c and the housing 3.
- the two seal members 16 and the second driving-side bearing 14 are disposed to include a predetermined interval in the driving side rotation axis CL1.
- a lubricant that is a grease as a semi-solid lubricant is sealed between the two seal members 16.
- only one seal member 16 may be provided. In this case, the lubricant is sealed between the seal member 16 and the second driving-side bearing 14.
- the first driving-side scroll portion 71 and the second driving-side scroll portion 72 are fixed while the front ends (free ends) of the walls 71b and 72b corresponding to each other face each other.
- the first driving-side scroll portion 71 and the second driving-side scroll portion 72 are fixed by the wall fixing bolts (wall fixing parts) 31 that are fastened to the flange portions 73 provided at a plurality of positions in the circumferential direction.
- the flange portions 73 are provided so as to protrude outward in the radial direction.
- the driven-side scroll member 90 includes the driven-side end plate 90a that is located at a substantially center in the axis direction (horizontal direction in figure).
- the discharge through hole (through hole) 90h is provided at a center of the driven-side end plate 90a, and causes the compressed air to flow toward the discharge port 72d.
- the first driven-side walls 91b are provided on one side surface of the driven-side end plate 90a, and the second driven-side walls 92b are provided on the other side surface of the driven-side end plate 90a.
- the first driven-side walls 91b provided on the motor 5 side from the driven-side end plate 90a engage with the first driving-side walls 71b of the first driving-side scroll portion 71.
- the second driven-side walls 92b provided on the discharge opening 3d side from the driven-side end plate 90a engage with the second driving-side walls 72b of the second driving-side scroll portion 72.
- a first support member 33 and a second support member 35 are provided at respective ends of the driven-side scroll member 90 in the axis direction (horizontal direction in figure).
- the first support member 33 is disposed on the motor 5 side, and the second support member 35 is disposed on the discharge opening 3d side.
- the first support member 33 is fixed to the front ends (free ends) of the respective first driven-side walls 91b on the outer peripheral side by first support fixing bolts 34
- the second support member 35 is fixed to the front ends (free ends) of the respective second driven-side walls 92b on the outer peripheral side by second support fixing bolts 36.
- Positioning between the first support member 33 and the first driven-side walls 91b around a driven-side rotation axis CL2 is performed by a positioning pin 40 that is provided at an angular position different from an angular position of the first support fixing bolt 34. More specifically, as illustrated in Fig. 2 , one end of the positioning pin 40 is inserted into a pin insertion hole 91b1 that is provided at the front end of the corresponding first driven-side wall 91b, and the other end of the positioning pin 40 is pressed into the first support member 33. The positioning pin 40 is fitted into the pin insertion hole 91b1 of the corresponding first driven-side wall 91b in a non-pressed-in state.
- the positioning pin 40 is fitted into the pin insertion hole 91b1 at a fitting degree at which the pin insertion hole 91b1 is not deformed and enlarged due to fitting of the positioning pin 40 and the corresponding first driven-side wall 91b is not deformed.
- Two positioning pins 40 are provided around the driven-side rotation axis CL2. Three or more positioning pins 40 may be provided. In this case, it is unnecessary for the third or more positioning pins 40 to perform actual positioning. Therefore, the third or more positioning pins 40 become so-called dummy pins.
- positioning pins are similarly provided between the second support member 35 and the second driven-side walls 92b.
- the shaft portion 33a is provided on the center axis side of the first support member 33, and the shaft portion 33a is fixed to the housing 3 through the first support member bearing 37.
- the shaft portion 35a is provided on the center axis side of the second support member 35, and the shaft portion 35a is fixed to the housing 3 through the second support member bearing 38.
- the pin-ring mechanism (synchronous driving mechanism) 15 is provided between the first support member 33 and the first driving-side end plate 71a. More specifically, a rolling bearing (ring) is provided on the first driving-side end plate 71a, and the pin member 15b is provided on the first support member 33.
- the pin-ring mechanism 15 transmits the driving force from the driving-side scroll member 70 to the driven-side scroll member 90, and causes the scroll members 70 and 90 to perform rotational movement in the same direction at the same angular velocity.
- the co-rotating scroll compressor 1 including the above-described configuration operates in the following manner.
- the driving shaft 6 rotates around the driving-side rotation axis CL1 by the motor 5
- the first driving-side shaft portion 7c connected to the driving shaft 6 also rotates, and the driving-side scroll member 70 accordingly rotates around the driving-side rotation axis CL1.
- the driving-side scroll member 70 rotates, the driving force is transmitted from the support members 33 and 35 to the driven-side scroll member 90 through the pin-ring mechanism 15, and the driven-side scroll member 90 rotates around the driven-side rotation axis CL2.
- the pin member 15b of the pin-ring mechanism 15 moves while being in contact with the inner peripheral surface of the circular hole, the both scroll members 70 and 90 perform rotational movement in the same direction at the same angular velocity.
- the air sucked through the air suction opening of the housing 3 is sucked in from outer peripheral side of each of the scroll members 70 and 90, and is taken into the compression chambers formed by the scroll members 70 and 90. Further, compression is separately performed in the compression chambers formed by the first driving-side walls 71b and the first driven-side walls 91b and in the compression chambers formed by the second driving-side walls 72b and the second driven-side walls 92b. A volume of each of the compression chambers is reduced as each of the compression chambers moves toward the center, which compresses the air.
- the air compressed by the first driving-side walls 71b and the first driven-side walls 91b passes through the discharge through hole 90h provided in the driven-side end plate 90a, and is joined with the air compressed by the second driving-side walls 72b and the second driven-side walls 92b.
- the resultant air passes through the discharge port 72d and is discharged to outside from the discharge opening 3d of the housing 3.
- the discharged compressed air is guided to an unillustrated internal combustion engine, and is used as combustion air.
- the present embodiment achieves the following action effects.
- the positioning pins 40 that perform positioning between the driven-side walls 91b and 92b and the support members 33 and 35 are pressed into the support members 33 and 35 while the positioning pins 40 are fitted into the driven-side walls 91b and 92b in the non-pressed-in state.
- the positioning pins 40 can be firmly fixed to the support members 33 and 35, and fitting of the positioning pins 40 does not cause shape deformation of the driven-side walls 91b and 92b. Therefore, there is no possibility of deterioration in performance and durability of the co-rotating scroll compressor 1 because shape deformation does not occur on the driven-side walls 91b and 92b as described above.
- a columnar collar 33b as a separate body may be provided at a protruded part of the first support member 33, and the corresponding positioning pin 40 may be pressed into the collar 33b. Since the collar 33b is provided as a member separated from the first support member 33, the first support member 33 is easily machined. Further, a facing distance between the both scroll members 70 and 90 can be adjusted through adjustment of a height of the collar 33b. A similar collar may be provided also on the second support member 35.
- each of the positioning pins 40 may be pressed into the first support member 33 by penetrating through the corresponding collar 33b. In this case, each of the positioning pins 40 may be pressed into or loosely fitted into a through hole of the corresponding collar 33b. A similar collar may be provided also on the second support member 35.
- the so-called double-tooth co-rotating scroll compressor in which the walls are provided on both sides of each of the scroll members in the axis direction has been described.
- a so-called single-tooth co-rotating scroll compressor in which the wall is provided on one side in the axis direction is described.
- Fig. 5 illustrates a single-tooth co-rotating scroll compressor 1A.
- the co-rotating scroll compressor 1A includes support members 20 and 22 that respectively support a wall 7b of a driving-side scroll member 7 and a wall 9b of a driven-side scroll member 9.
- Fig. 5 does not illustrate the vicinity of the motor 5 illustrated in Fig. 1 , the vicinity of the motor 5 has a similar configuration in the present embodiment.
- the driving-side support member 20 is fixed to a front end (free end) of the driving-side wall 7b of the driving-side scroll member 7 through a positioning pin 41.
- the positioning pin 41 is fitted into the driving-side wall 7b in a non-pressed-in state while the positioning pin 41 is pressed into the driving-side support member 20.
- the driven-side scroll member 9 is sandwiched between the driving-side support member 20 and the driving-side scroll member 7. Accordingly, a driven-side end plate 9a is disposed to face the driving-side support member 20.
- the driving-side support member 20 includes a shaft portion 20a on center side.
- the shaft portion 20a is rotatably attached to the housing 3 through a driving-side support member bearing 26 that is a ball bearing. Accordingly, the driving-side support member 20 rotates around the driving-side rotation axis CL1 as with the driving-side scroll member 7.
- a pin-ring mechanism 15' is provided between the driving-side support member 20 and the driven-side end plate 9a. More specifically, a ring member 15a is provided on the driven-side end plate 9a, and a pin member 15b is provided on the driving-side support member 20.
- the driven-side support member 22 is fixed to a front end (free end) of the driven-side wall 9b of the driven-side scroll member 9 through a positioning pin 41.
- the positioning pin 41 is fitted into the driven-side wall 9b in a non-pressed-in state while the positioning pin 41 is pressed into the driven-side support member 22.
- the driving-side scroll member 7 is sandwiched between the driven-side support member 22 and the driven-side scroll member 9. Accordingly, a driving-side end plate 7a is disposed to face the driven-side support member 22.
- the driven-side support member 22 includes a shaft portion 22a on center side.
- the shaft portion 22a is rotatably attached to the housing 3 through a driven-side support member bearing 28 that is a ball bearing. Accordingly, the driven-side support member 22 rotates around the driven-side rotation axis CL2 as with the driven-side scroll member 9.
- the present embodiment achieves the following action effects.
- the positioning pins 41 that perform positioning between the walls 7b and 9b and the support members 20 and 22 are pressed into the support members 20 and 22 while the positioning pins 41 are fitted into the walls 7b and 9b in the non-pressed-in state.
- the positioning pins 41 can be firmly fixed to the support members 20 and 22, and fitting of the positioning pins 41 does not cause shape deformation of the walls 7b and 9b. Therefore, there is no possibility of deterioration in performance and durability of the co-rotating scroll compressor 1A because shape deformation does not occur on the walls 7b and 9b as described above.
- the co-rotating scroll compressor is used as the supercharger; however, the present disclosure is not limited thereto.
- the co-rotating scroll compressor is widely used to compress fluid, and for example, can be used as a refrigerant compressor used in air conditioner.
- the scroll compressor according to the present disclosure is applicable to an air brake device using air force, as a brake system for a railway vehicle.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Rotary Pumps (AREA)
Claims (3)
- Gleichläufiger Scrollverdichter (1A; 1), der Folgendes umfasst:ein antriebsseitiges Scrollelement (7; 70), das drehbar von einer Antriebseinheit (5) angetrieben wird und eine antriebsseitige Spiralwand (7b; 71b, 72b) beinhaltet, die auf einer antriebsseitigen Endplatte (7a; 71a, 72a) angeordnet ist;ein abtriebsseitiges Scrollelement (9; 90), das eine abtriebsseitige Wand (9b; 91b, 92b) beinhaltet, die der antriebsseitigen Wand (7b; 71b, 72b) entspricht, wobei die abtriebsseitige Wand (9b; 91b, 92b) auf einer abtriebsseitigen Endplatte (9a; 90a) angeordnet ist und in die antriebsseitige Wand (7b; 71b, 72b) eingreift, um eine Verdichtungskammer zu bilden; undeinen Synchronantriebsmechanismus (15'; 15), der vom antriebsseitigen Scrollelement (7; 70) eine Antriebskraft auf das abtriebsseitige Scrollelement (9; 90) überträgt, um zu bewirken, dass das antriebsseitige Scrollelement (7; 70) und das abtriebsseitige Scrollelement (9; 90) mit einer selben Winkelgeschwindigkeit eine Drehbewegung in eine selbe Richtung durchführen, wobeian einem vorderen Ende von mindestens einer der antriebsseitigen Wand (7b; 71b, 72b) und der abtriebsseitigen Wand (9b; 91b) in einer Achsrichtung (CL1, CL2) ein Stützelement (20, 22; 33, 35) bereitgestellt ist, wobei das Stützelement (20, 22; 33, 35) durch einen Positionierungsstift (41; 40), der eine Phase um die Drehachse positioniert und sich zusammen mit der verbundenen Wand dreht, mit dem vorderen Ende verbunden ist, dadurch gekennzeichnet, dassder Positionierungsstift (41; 40) in das Stützelement (20, 22; 33, 35) eingedrückt ist und in einem nicht eingedrückten Zustand in die Wand eingesetzt ist.
- Gleichläufiger Scrollverdichter (1A; 1) nach Anspruch 1, wobei der Positionierungsstift (41; 40) in jeder von mindestens zwei Positionen um die Drehachse bereitgestellt ist.
- Gleichläufiger Scrollverdichter (1) nach Anspruch 1 oder 2, wobei
das antriebsseitige Scrollelement (70) einen ersten antriebsseitigen Scrollabschnitt (71) und einen zweiten antriebsseitigen Scrollabschnitt (72) beinhaltet, wobei der erste antriebsseitige Scrollabschnitt (71) eine erste antriebsseitige Endplatte (71a) und eine erste antriebsseitige Wand (71b) beinhaltet und von der Antriebseinheit (5) angetrieben wird, und der zweite antriebsseitige Scrollabschnitt (72) eine zweite antriebsseitige Endplatte (72a) und eine zweite antriebsseitige Wand (72b) beinhaltet,
das abtriebsseitige Scrollelement (90) eine erste abtriebsseitige Wand (91b) und eine zweite abtriebsseitige Wand (92b) beinhaltet, wobei die erste abtriebsseitige Wand (91b) auf einer Seitenfläche der abtriebsseitigen Endplatte (90a) bereitgestellt ist und in die erste antriebsseitige Wand (71b) eingreift, und die zweite abtriebsseitige Wand (92b) auf einer anderen Seitenfläche der abtriebsseitigen Endplatte (90a) bereitgestellt ist und in die zweite abtriebsseitige Wand (72b) eingreift,
der gleichläufige Scrollverdichter (1) ein erstes Stützelement (33) und ein zweites Stützelement (35) beinhaltet, wobei das erste Stützelement (33) an einer vorderen Endseite der ersten abtriebsseitigen Wand (91b) in der Achsrichtung befestigt ist, wobei sich die erste antriebsseitige Endplatte (71a) dazwischen befindet und zusammen mit der ersten abtriebsseitigen Wand (91b) dreht, und wobei das zweite Stützelement (35) an einer vorderen Endseite der zweiten abtriebsseitigen Wand (92b) in der Achsrichtung befestigt ist, wobei sich die zweite abtriebsseitige Endplatte (72a) dazwischen befindet und sich zusammen mit der zweiten abtriebsseitigen Wand (92b) dreht, und
der Positionierungsstift (40) zwischen der ersten abtriebsseitigen Wand (91b) und dem ersten Stützelement (33) und zwischen der zweiten abtriebsseitigen Wand (92b) und dem zweiten Stützelement (35) bereitgestellt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017028082A JP6707478B2 (ja) | 2017-02-17 | 2017-02-17 | 両回転スクロール型圧縮機 |
PCT/JP2018/004469 WO2018151014A1 (ja) | 2017-02-17 | 2018-02-08 | 両回転スクロール型圧縮機 |
Publications (3)
Publication Number | Publication Date |
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EP3567252A1 EP3567252A1 (de) | 2019-11-13 |
EP3567252A4 EP3567252A4 (de) | 2019-12-04 |
EP3567252B1 true EP3567252B1 (de) | 2020-06-24 |
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EP18755010.8A Active EP3567252B1 (de) | 2017-02-17 | 2018-02-08 | In zwei richtungen rotierender spiralverdichter |
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US (1) | US20200003213A1 (de) |
EP (1) | EP3567252B1 (de) |
JP (1) | JP6707478B2 (de) |
CN (1) | CN110300853B (de) |
WO (1) | WO2018151014A1 (de) |
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JP7017240B2 (ja) * | 2018-10-09 | 2022-02-08 | 有限会社スクロール技研 | スクロール型圧縮機 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5360443A (en) | 1976-11-10 | 1978-05-31 | Hitachi Ltd | Shaft bearing device |
JPS55101789A (en) * | 1979-01-31 | 1980-08-04 | Hitachi Ltd | Scroll fluid machine |
JPS5859391A (ja) * | 1981-10-02 | 1983-04-08 | Hitachi Ltd | オクロ−ル圧縮機用スクロ−ルの製作法 |
EP0854289A1 (de) * | 1997-01-21 | 1998-07-22 | Anest Iwata Corporation | Spiralverdrängungsanlage |
CN2303100Y (zh) * | 1997-07-25 | 1999-01-06 | 东北大学 | 双侧无油涡旋真空泵 |
US7467933B2 (en) * | 2006-01-26 | 2008-12-23 | Scroll Laboratories, Inc. | Scroll-type fluid displacement apparatus with fully compliant floating scrolls |
JP5252281B2 (ja) * | 2008-09-19 | 2013-07-31 | 有限会社スクロール技研 | スクロール流体機械 |
JP5443132B2 (ja) * | 2009-11-05 | 2014-03-19 | 有限会社スクロール技研 | スクロール流体機械 |
JP5931563B2 (ja) * | 2012-04-25 | 2016-06-08 | アネスト岩田株式会社 | スクロール膨張機 |
JP6345081B2 (ja) * | 2014-10-31 | 2018-06-20 | アネスト岩田株式会社 | スクロール膨張機 |
CN206017149U (zh) * | 2016-08-10 | 2017-03-15 | 南京奥特佳新能源科技有限公司 | 能提高机械强度的涡旋式压缩机组合式压销偏心套 |
-
2017
- 2017-02-17 JP JP2017028082A patent/JP6707478B2/ja active Active
-
2018
- 2018-02-08 WO PCT/JP2018/004469 patent/WO2018151014A1/ja unknown
- 2018-02-08 CN CN201880011978.4A patent/CN110300853B/zh not_active Expired - Fee Related
- 2018-02-08 EP EP18755010.8A patent/EP3567252B1/de active Active
- 2018-02-08 US US16/484,925 patent/US20200003213A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
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CN110300853A (zh) | 2019-10-01 |
EP3567252A1 (de) | 2019-11-13 |
EP3567252A4 (de) | 2019-12-04 |
WO2018151014A1 (ja) | 2018-08-23 |
US20200003213A1 (en) | 2020-01-02 |
JP6707478B2 (ja) | 2020-06-10 |
CN110300853B (zh) | 2020-10-27 |
JP2018132035A (ja) | 2018-08-23 |
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