WO2023182447A1 - 動力伝達装置 - Google Patents

動力伝達装置 Download PDF

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Publication number
WO2023182447A1
WO2023182447A1 PCT/JP2023/011610 JP2023011610W WO2023182447A1 WO 2023182447 A1 WO2023182447 A1 WO 2023182447A1 JP 2023011610 W JP2023011610 W JP 2023011610W WO 2023182447 A1 WO2023182447 A1 WO 2023182447A1
Authority
WO
WIPO (PCT)
Prior art keywords
power transmission
strainer
partition wall
transmission device
rotation 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.)
Ceased
Application number
PCT/JP2023/011610
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
勝則 山下
洋久 湯川
将弘 神谷
智也 大瀧
太平 豊嶋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
JATCO Ltd
Original Assignee
Nissan Motor Co Ltd
JATCO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd, JATCO Ltd filed Critical Nissan Motor Co Ltd
Priority to JP2024509226A priority Critical patent/JP7584877B2/ja
Priority to CN202380028764.9A priority patent/CN119110876A/zh
Priority to US18/848,269 priority patent/US12595842B2/en
Publication of WO2023182447A1 publication Critical patent/WO2023182447A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
    • F16H57/0404—Lubricant filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps; Pressure control
    • F16H57/0441—Arrangements of pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
    • F16H57/0453—Section walls to divide a gear sump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0487—Friction gearings
    • F16H57/0489—Friction gearings with endless flexible members, e.g. belt CVTs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/021—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuously variable friction gearing
    • F16H37/022—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuously variable friction gearing the toothed gearing having orbital motion

Definitions

  • the present invention relates to a power transmission device.
  • Patent Document 1 discloses a drive device for a vehicle.
  • a strainer for filtering oil sucked into the mechanical oil pump and the electric oil pump is provided in a cantilevered state on the mechanical oil pump.
  • vibrations caused by the running of the vehicle propagate to the strainer. Therefore, it is preferable that the support stability of the strainer is higher.
  • the housing of the power transmission device may become larger due to an increase in the number of parts. Therefore, there is a need to ensure stable support of the strainer without increasing the size of the housing.
  • An aspect of the present invention is a housing that accommodates a power transmission mechanism; a partition that supports the power transmission mechanism and partitions the inside of the housing; a strainer disposed at the bottom of the housing;
  • a power transmission device for a vehicle comprising: a pump supported by the partition wall; Inside the housing, a first chamber located on one side of the partition wall in the rotation axis direction of the power transmission device; A second chamber located on the other side of the partition wall in the rotation axis direction of the power transmission device is provided,
  • the strainer is a first connection port connected to the pump; and a second connection port connected to a second oil passage in the partition wall;
  • the second connection port is a power transmission device that is connected to the second oil passage from the direction in which the pump is assembled to the partition wall.
  • the support stability of the strainer is improved.
  • FIG. 1 is a schematic diagram illustrating the arrangement of a power transmission device in a vehicle.
  • FIG. 2 is a schematic diagram showing a schematic configuration of the power transmission device.
  • FIG. 3 is a diagram of the case viewed from the second cover side.
  • FIG. 4 is a diagram of the case viewed from the first cover side.
  • FIG. 5 is a cross-sectional view illustrating the accommodating part.
  • FIG. 6 is a cross-sectional view illustrating the housing section.
  • FIG. 7 is a diagram illustrating the strainer.
  • FIG. 8 is a diagram illustrating the strainer.
  • FIG. 9 is a diagram illustrating the support structure of the mechanical oil pump in the partition wall.
  • FIG. 10 is a diagram illustrating the process of attaching the strainer and mechanical oil pump to the partition wall.
  • the power transmission device is a device having at least a power transmission mechanism, and the power transmission mechanism is, for example, at least one of a gear mechanism, a differential gear mechanism, and a speed reduction mechanism.
  • the power transmission device 1 has a function of transmitting the output rotation of the engine, but the power transmission device 1 transmits the output rotation of at least one of the engine and the motor (rotating electric machine). It's fine as long as it's something you do.
  • “Overlapping in a predetermined direction” means that a plurality of elements are lined up in a predetermined direction, and has the same meaning as "overlapping in a predetermined direction.”
  • the "predetermined direction” is, for example, an axial direction, a radial direction, a gravity direction (vertical line VL direction), a vehicle traveling direction (vehicle forward direction, vehicle backward direction), or the like. If a drawing shows multiple elements (parts, parts, etc.) lining up in a predetermined direction, there is a sentence in the description explaining that they overlap when viewed in the predetermined direction. It can be considered as.
  • “Do not overlap when viewed in a predetermined direction” and “offset when viewed in a predetermined direction” mean that multiple elements are not lined up in a predetermined direction, and "do not overlap in a predetermined direction” , is synonymous with the expression “offset in a predetermined direction”.
  • the "predetermined direction” is, for example, an axial direction, a radial direction, a gravity direction, a vehicle running direction (vehicle forward direction, vehicle backward direction), or the like. If a drawing shows that multiple elements (parts, parts, etc.) are not lined up in a predetermined direction, there is a sentence in the description explaining that they do not overlap when viewed in a predetermined direction. It can be considered as.
  • the first element (component, section, etc.) is located between the second element (component, section, etc.) and the third element (component, section, etc.) when viewed from a predetermined direction" means In this case, the first element can be observed to be between the second and third elements.
  • the "predetermined direction" includes an axial direction, a radial direction, a direction of gravity, a vehicle running direction (vehicle forward direction, vehicle backward direction), and the like.
  • vehicle forward direction vehicle backward direction
  • the first element is located between the second element and the third element when viewed in the radial direction. It can be said that it is located.
  • Axial direction means the axial direction of the rotating shaft of the components that constitute the power transmission device.
  • Rotary direction means a direction perpendicular to the rotational axis of the components constituting the power transmission device.
  • the parts are, for example, a motor, a gear mechanism, a differential gear mechanism, etc.
  • Downstream side in the rotational direction means the downstream side in the rotational direction when the vehicle is moving forward or the rotational direction when the vehicle is moving backward. It is preferable to set it on the downstream side in the direction of rotation when the vehicle moves forward, which is often the case.
  • “Vertical installation” of a control valve means that in the case of a control valve that has a basic configuration with a separate plate sandwiched between the valve bodies, the valve body of the control valve is placed horizontally with respect to the installation state of the power transmission device in the vehicle. This means that they are laminated in the same direction.
  • the term "horizontal direction” as used herein does not mean the horizontal direction in a strict sense, but also includes cases where the stacking direction is tilted with respect to the horizontal line.
  • vertical installation of a control valve means that the multiple pressure regulating valves (valve bodies) in the control valve are arranged in the vertical line VL direction based on the installation state of the power transmission device in the vehicle. This means that the valve is in place.
  • a plurality of pressure regulating valves are arranged in the direction of the vertical line VL means that the pressure regulating valves in the control valve are arranged with their positions shifted in the direction of the vertical line VL.
  • the plurality of pressure regulating valves do not need to be strictly lined up in a line in the vertical line VL direction.
  • the plurality of pressure regulating valves are shifted in the direction of stacking of the valve bodies, and the vertical line VL They may be lined up in the same direction.
  • the plurality of pressure regulating valves do not need to be lined up at intervals in the vertical line VL direction.
  • the plurality of pressure regulating valves do not need to be adjacent to each other in the vertical line VL direction.
  • pressure regulating valves lined up in the vertical line VL direction are arranged with their positions shifted in the stacking direction (horizontal line direction) of the valve body, the pressure regulating valves lined up in the vertical line VL direction are shifted when viewed from the stacking direction.
  • This also includes cases where adjacent pressure regulating valves are provided in a positional relationship that partially overlaps.
  • the multiple pressure regulating valves in the control valve are arranged in such a way that the moving direction of the valve body (spool valve) of the pressure regulating valve is along the horizontal direction.
  • the moving direction of the valve body (spool valve) in this case is not limited to the horizontal direction in the strict sense.
  • the moving direction of the valve body (spool valve) in this case is a direction along the rotation axis X of the power transmission device. In this case, the rotation axis X direction and the sliding direction of the valve body (spool valve) are the same.
  • FIG. 1 is a schematic diagram illustrating the arrangement of a power transmission device 1 in a vehicle V.
  • FIG. 2 is a schematic diagram illustrating a schematic configuration of the power transmission device 1. As shown in FIG.
  • the power transmission device 1 is disposed at the front of the vehicle V between the left and right frames FR, FR.
  • the housing HS of the power transmission device 1 includes a case 6, a first cover 7, a second cover 8, and a third cover 9.
  • a torque converter T/C As shown in FIG. 2, inside the housing HS, a torque converter T/C, a forward/reverse switching mechanism 2, a variator 3, a reduction mechanism 4, a differential device 5, an electric oil pump EOP, a mechanical oil pump MOP, and a control valve CV are provided. etc. are accommodated.
  • the output rotation of the engine ENG (drive source) is input to the forward/reverse switching mechanism 2 via the torque converter T/C.
  • the rotation input to the forward/reverse switching mechanism 2 is input to the primary pulley 31 of the variator 3 in forward or reverse rotation.
  • the rotation input to the primary pulley 31 is changed at a desired gear ratio, and the rotation is transferred to the output shaft 33 of the secondary pulley 32. is output from.
  • the output rotation of the secondary pulley 32 is input to the differential device 5 (differential gear mechanism) via the reduction mechanism 4, and then transmitted to the drive wheels WH, WH via the left and right drive shafts 55A, 55B. .
  • the speed reduction mechanism 4 includes an output gear 41, an idler gear 42, a reduction gear 43, and a final gear 45.
  • the output gear 41 rotates together with the output shaft 33 of the secondary pulley 32.
  • the idler gear 42 meshes with the output gear 41 so that rotation can be transmitted thereto.
  • the idler gear 42 is spline-fitted to the idler shaft 44 and rotates together with the idler shaft 44.
  • the idler shaft 44 is provided with a reduction gear 43 having a smaller diameter than the idler gear 42.
  • the reduction gear 43 meshes with a final gear 45 fixed to the outer periphery of the differential case 50 of the differential device 5 so as to be able to transmit rotation.
  • the forward/reverse switching mechanism 2 the torque converter T/C, and the output shaft of the engine ENG are arranged coaxially (concentrically) on the rotation axis X1 (first axis) of the primary pulley 31. Ru.
  • the output shaft 33 of the secondary pulley 32 and the output gear 41 are coaxially arranged on the rotation axis X2 (second axis) of the secondary pulley 32.
  • the idler gear 42 and the reduction gear 43 are coaxially arranged on a common rotation axis X3.
  • Final gear 45 and drive shafts 55A and 55B are coaxially arranged on a common rotation axis X4.
  • these rotational axes X1 to X4 are set in a positional relationship in which they are parallel to each other.
  • these rotational axes X1 to X4 will be collectively referred to as the rotational axis X of the power transmission device 1 (power transmission mechanism), if necessary.
  • FIG. 3 is a plan view of the case 6 viewed from the second cover 8 side.
  • FIG. 4 is a plan view of the case 6 viewed from the first cover 7 side.
  • illustration of the strainer 10 and mechanical oil pump MOP is omitted, and the vicinity of the connection parts 625 and 627 provided in the partition wall part 62 is shown.
  • the area of the opening 620 is shown with cross hatching in order to make the position of the opening 620 easier to understand.
  • FIG. 5 is an enlarged cross-sectional view of a main part of the case 6 taken along line AA in FIG. 3.
  • FIG. 6 is an enlarged cross-sectional view of a main part of the case 6 taken along the line AA in FIG.
  • FIG. 7 is a plan view of the strainer 10 viewed from above on the upper case 101 side. In the enlarged view of FIG. 7, the periphery of the discharge passage 107 and the discharge passage 109 is shown in cross section in order to make it easier to understand the positional relationship between the discharge passage 107 and the discharge passage 109 in the strainer 10.
  • FIG. 8 is a perspective view of the strainer 10 viewed diagonally from above on the upper case 101 side.
  • the case 6 includes a cylindrical peripheral wall portion 61 and a partition wall portion 62.
  • the partition wall portion 62 is provided in a range that crosses the rotation axis (rotation axis X1 to rotation axis X4) of the power transmission mechanism.
  • the partition wall 62 divides the space inside the peripheral wall 61 into two in the direction of the rotation axis X1.
  • One side of the partition wall portion 62 in the rotation axis X1 direction is the first chamber S1, and the other side is the second chamber S2.
  • the forward/reverse switching mechanism 2, the speed reduction mechanism 4, and the differential gear 5 are housed in the first chamber S1.
  • the variator 3 is accommodated in the second chamber S2.
  • the opening on the first chamber S1 side is sealed with a second cover 8 (torque converter cover).
  • the opening on the second chamber S2 side is sealed with the first cover 7 (side cover).
  • the operation of the power transmission device 1 and the lubrication of the components of the power transmission device 1 are provided in the lower part of the space between the first cover 7 and the second cover 8 (first chamber S1, second chamber S2). The oil used for this purpose is stored.
  • the end surface of the case 6 on the second cover 8 side forms a joint 611 with the second cover 8.
  • the joint portion 611 is a flange-shaped portion that surrounds the entire circumference of the opening of the partition wall portion 62 on the second cover 8 side.
  • a joint portion 811 (see FIG. 2) on the second cover 8 side is joined to the joint portion 611 over the entire circumference.
  • the case 6 and the second cover 8 are connected with bolts (not shown) with their joints 611 and 811 joined together. Thereby, the opening of the case 6 is held in a sealed state with the second cover 8, and a closed first chamber S1 is formed.
  • the partition wall portion 62 is located inside the joint portion 611.
  • the partition wall portion 62 of the case 6 is provided in a direction substantially perpendicular to the rotation axis (rotation axes X1 to X4).
  • the partition wall portion 62 is provided with through holes 621, 622, 624 and a support hole 623.
  • the through hole 621 is formed around the rotation axis X1.
  • a cylindrical support wall 631 that surrounds the through hole 621 and a peripheral wall 641 that surrounds the outer periphery of the support wall 631 at intervals are provided on the surface of the partition wall 62 on the first chamber S1 side (the front side in the drawing). It is being In FIG. 3, the support wall portion 631 and the peripheral wall portion 641 protrude toward the front side of the paper (the second cover 8 side in FIG. 2).
  • a region 651 between the support wall portion 631 and the peripheral wall portion 641 is a cylindrical space that accommodates a piston (not shown) of the forward/reverse switching mechanism 2, a friction plate (forward clutch, reverse brake), and the like.
  • the input shaft 34 (see FIG. 2) of the primary pulley 31 is rotatably supported on the inner periphery of the support wall portion 631 via a bearing B.
  • the through hole 622 is formed around the rotation axis X2.
  • the rotation axis X2 is located diagonally above the rear side of the vehicle when viewed from the rotation axis X1.
  • a cylindrical support wall portion 632 surrounding the through hole 622 is provided on the surface of the partition wall portion 62 on the first chamber S1 side (the front side in the drawing). In FIG. 3, the support wall portion 632 protrudes toward the front side of the paper (the second cover 8 side in FIG. 2).
  • the output shaft 33 (see FIG. 2) of the secondary pulley 32 is rotatably supported on the inner periphery of the support wall portion 631 via a bearing B.
  • the support hole 623 is a bottomed hole formed around the rotation axis X3.
  • the rotation axis X3 is located diagonally above the rear side of the vehicle when viewed from the rotation axis X1, and diagonally below the rear side of the vehicle when viewed from the rotation axis X2.
  • a cylindrical support wall portion 633 surrounding the support hole 623 is provided on the surface of the partition wall portion 62 on the first chamber S1 side (the front side in the drawing). In FIG. 3, the support wall portion 633 protrudes toward the front side of the paper (the second cover 8 side in FIG. 2). The support wall portion 633 surrounds the outer periphery of the support hole 623 at intervals.
  • One end side of the idler shaft 44 (see FIG. 2) of the speed reduction mechanism 4 is rotatably supported on the inner periphery of the support wall portion 633 via a bearing B.
  • the through hole 624 is formed around the rotation axis X4.
  • the rotation axis X4 is located diagonally downward on the rear side of the vehicle when viewed from the rotation axis X1, diagonally downward on the rear side of the vehicle when viewed from the rotation axis X2, and diagonally downward on the rear side of the vehicle when viewed from the rotation axis X3. It is located diagonally below the front of the vehicle.
  • a cylindrical support wall portion 634 surrounding the through hole 624 is provided on the surface of the partition wall portion 62 on the first chamber S1 side (the front side in the drawing). In FIG. 3, the support wall portion 634 protrudes toward the front side of the paper (the second cover 8 side in FIG. 2). The support wall portion 634 surrounds the outer periphery of the through hole 624 at intervals.
  • a differential case 50 (see FIG. 2) of the differential device 5 is rotatably supported on the inner periphery of the support wall portion 634 via a bearing B.
  • a ring-shaped final gear 45 is fixed to the outer periphery of the differential case 50 when viewed from the direction of the rotation axis X4. Final gear 45 rotates around rotation axis X4 together with differential case 50.
  • a baffle plate 66 is attached below the through hole 624 on the surface of the partition wall 62 on the first chamber S1 side (the front side in the paper).
  • the baffle plate 66 has a semicircular shape with its curved surface facing downward when viewed from the direction of the rotation axis X4, and includes a side plate portion 661 that covers both sides of the final gear 45 in the direction of the rotation axis It has an arcuate wall portion 662 that covers the outer periphery in the radial direction (see FIG. 10).
  • illustration of the side plate portion 661 on the near side of the page is omitted.
  • the region on the vehicle front side of the arcuate wall portion 662 of the baffle plate 66 and below the arcuate peripheral wall portion 641 serves as the storage portion 67 for the resin strainer 10.
  • the housing portion 67 is a bottomed space with an opening facing the first chamber S1 side (the right side in FIG. 5).
  • a lower region Rx on the peripheral wall portion 61 side of the case 6 serves as a bottom wall portion in the direction of the rotation axis X1 of the accommodating portion 67.
  • the lower region Rx is located closer to the second chamber S2 than the partition wall 62 (on the left side in the figure). That is, when viewed from the radial direction of the rotation axis X1, the partition wall portion 62 and the lower region Rx are provided with positions shifted in the rotation axis X1 direction.
  • the accommodating portion 67 is formed in a range that crosses in the direction of the rotation axis X1 below the region 651 (recessed portion) in which the forward/reverse switching mechanism 2 is accommodated.
  • An opening 620 is formed in the lower region Rx, passing through the lower region Rx in the direction of the rotation axis X1.
  • the first chamber S1 and the second chamber S2 in the case 6 communicate with each other via this opening 620.
  • the opening 620 is provided at a position intersecting the tangent Lm when viewed from the direction of the rotation axis X1.
  • the tangent Lm is a straight line connecting the outer periphery of the peripheral wall portion 641 and the outer periphery of the arcuate wall portion 662 of the baffle plate 66.
  • the opening 620 is formed in a range extending from the region between the peripheral wall 641 and the arcuate wall 662 along the straight line Ln, crossing the tangent Lm from above to below to the lower part of the case 6.
  • the straight line Ln is a straight line that passes between the peripheral wall portion 641 and the arcuate wall portion 662 and is perpendicular to the tangent line Lm.
  • the area between the peripheral wall portion 641 and the arcuate wall portion 662 tends to become a dead space that is not used, but the opening portion 620 is provided by effectively utilizing the dead space.
  • the connecting portion 625 of the strainer 10 is provided at a position adjacent to the peripheral wall portion 641 in the radial direction of the rotation axis X1.
  • the connecting portion 625 is a cylindrical portion with a connecting port 625a facing the second cover 8 side (first chamber S1).
  • the connecting portion 625 is provided in a positional relationship in which a part of the lower region overlaps the opening 620 when viewed from the direction of the rotation axis X1. A part of the lower region of the connecting portion 625 when viewed from the rotation axis X1 direction protrudes into the opening 620.
  • an oil passage 626 is opened on the back side of the connecting portion 625. As shown in FIG. 3, the oil passage 626 extends linearly within the partition wall 62 in a direction away from the opening 620.
  • the oil passage 626 is connected via an oil passage in the case 6 to an electric oil pump EOP housed in a housing portion 68, which will be described later.
  • connection portion 627 with a mechanical oil pump MOP is provided below the oil passage 626.
  • the connection port 627a of the connection portion 627 opens in the same direction as the connection portion 625 with the strainer 10 described above.
  • a connection port 627a of the connection portion 627 communicates with an oil passage 628 (first oil passage) provided within the partition wall portion 62.
  • the oil passage 628 extends below the oil passage 626 and along the oil passage 626 toward the housing portion 68 (to the right in the figure).
  • the oil passage 628 communicates via an oil passage in the case 6 with a control valve CV (see FIG. 2) installed in the storage chamber S3, which will be described later.
  • a housing portion 68 with an opening facing the vehicle front side is attached to the side surface of the case 6 on the vehicle front side.
  • the storage chamber S3 is formed by sealing the opening of the storage portion 68 with the third cover 9.
  • the accommodating portion 68 and the third cover 9 are connected with bolts (not shown) with their joint portions 683 and 911 joined together. Thereby, a closed storage chamber S3 is formed on the side surface of the case 6 on the vehicle front side.
  • a control valve CV and an electric oil pump EOP are vertically arranged in the storage chamber S3.
  • the control valve CV has a basic configuration in which a separate plate 920 is sandwiched between valve bodies 921, 921.
  • a hydraulic control circuit (not shown) is formed inside the control valve CV.
  • the hydraulic control circuit is provided with a solenoid that is driven based on a command from a control device (not shown) and a pressure regulating valve SP (spool valve) that is operated by signal pressure generated by the solenoid.
  • control valve CV In the accommodation chamber S3, the control valve CV is vertically placed with the stacking direction of the valve bodies 921, 921 aligned with the vehicle longitudinal direction (in the paper, vertical direction). In the storage chamber S3, the control valve CV is vertically placed so as to satisfy the following conditions.
  • a plurality of pressure regulating valves SP (spool valves) in the control valve CV are lined up in the vertical line VL direction (vertical direction) based on the installation state of the power transmission device 1 in the vehicle V (see FIG. 3)
  • the forward and backward moving direction Xp of the pressure regulating valve SP (spool valve) is along the horizontal direction (see FIG. 3).
  • the control valve CV is vertically placed in the storage chamber S3 while preventing the forward and backward movement of the pressure regulating valve SP (spool valve) from being obstructed. Therefore, the storage chamber S3 is prevented from increasing in size in the longitudinal direction of the vehicle.
  • the electric oil pump EOP is arranged vertically with the rotating shaft of a motor (not shown) aligned along the vertical line VL direction. As shown in FIG. 2, the electric oil pump EOP and the control valve CV are aligned in the direction of the rotation axis X of the power transmission mechanism.
  • an opening 620 is provided below the peripheral wall 641.
  • the opening portion 620 is provided along the inner periphery of the peripheral wall portion 61 (joint portion 611) on the vehicle front side than the arcuate wall portion 662 of the baffle plate 66.
  • the opening 620 is formed in a size that allows at least a portion of the strainer 10 to be inserted when viewed from the direction of the rotation axis X1.
  • a partition wall portion 62 is located inside a peripheral wall portion 61 surrounding the second chamber S2.
  • An opening 620 is located at the lower part of the partition wall 62, and through holes 621 and 622 are opened above the opening 620.
  • a joint portion 612 with the first cover 7 is provided on the end surface of the peripheral wall portion 61 on the first cover 7 side.
  • the joint portion 612 is a flange-shaped portion that surrounds the entire circumference of the opening of the partition wall portion 62 on the first cover 7 side.
  • the inside of the joint portion 612 serves as the partition wall portion 62 .
  • a joint portion 711 (see FIG. 2) on the first cover 7 side is joined to the joint portion 612 over the entire circumference.
  • the case 6 and the first cover 7 are connected with bolts (not shown) with their joints 612 and 711 joined together. Thereby, the opening of the case 6 is sealed with the first cover 7, and a closed second chamber S2 is formed.
  • the through hole 621 is located diagonally above the front side of the vehicle when viewed from the opening 620.
  • the through hole 622 is located diagonally above the rear side of the vehicle when viewed from the through hole 621.
  • the primary pulley 31 and the secondary pulley 32 of the variator 3 are located in an upper region in the direction of the vertical line VL.
  • the peripheral wall portion 61 has a lower portion side where the primary pulley 31 is provided, which bulges out toward the bottom of the case 6, and an opening 620 is located at the lowest portion of this bulged portion.
  • oil OL supplied through an oil path (not shown) is injected toward the belt 30 of the variator 3 in the second chamber S2 to lubricate the belt 30 of the variator 3.
  • the oil OL that has lubricated the belt 30 moves by its own weight in the second chamber S2 toward the lower part where the opening 620 is provided, passes through the opening 620, and enters the first chamber S1 where the strainer 10 is arranged. It is now returned to the bottom of the page.
  • the strainer 10 has a basic configuration in which a filter 100 is placed in a space S10 formed between an upper case 101 and a lower case 102.
  • the lower case 102 is provided with an opening 103 that communicates the space S10 inside the strainer 10 with the outside of the strainer 10.
  • a peripheral wall 104 that surrounds the entire circumference of the opening 103 is formed on the outer surface of the lower case 102 in a protruding manner.
  • the strainer 10 has a substantially rectangular shape when viewed from above.
  • a cylindrical first connecting portion 105 is provided at one side 101a of the upper case 101.
  • the first connecting portion 105 is provided in a direction perpendicular to the one side portion 101a at approximately the center of the one side portion 101a in the longitudinal direction (vertical direction in FIG. 7).
  • the first connecting portion 105 linearly extends in a direction away from the one side portion 101a along the straight line L1.
  • the tip 105a of the first connecting portion 105 has reached a position separated by a predetermined distance La from the one side portion 101a.
  • the straight line L1 is a straight line that passes approximately midway in the longitudinal direction (vertical direction in the figure) of the one side part 101a and is orthogonal to the one side part 101a.
  • a ring groove 106 that surrounds the entire outer periphery of the first connecting portion 105 is provided on the tip 105a side of the first connecting portion 105.
  • the tip 105a side of the first connecting portion 105 is inserted into the connection port 120 on the mechanical oil pump MOP side when connecting the strainer 10 to the mechanical oil pump MOP.
  • the seal ring SL fitted into the ring groove 106 seals the gap between the outer periphery of the first connection portion 105 and the inner periphery of the connection port 120.
  • the inside of the first connecting portion 105 serves as an oil discharge path 107 in the strainer 10 , and the opening of the discharge path 107 is a first discharge port for the oil OL in the strainer 10 .
  • a second connection part 108 is provided on the base 105b side of the first connection part 105.
  • the second connecting portion 108 has a cylindrical shape with a bottom and has an oil OL discharge path 109 therein.
  • the second connecting portion 108 is provided so that the opening of the discharge path 109 is directed in the direction of a straight line L2 perpendicular to the straight line L1.
  • the opening of the discharge path 109 is a second discharge port for the oil OL in the strainer 10.
  • the second connecting portion 108 on the base 105b side of the first connecting portion 105 bulges upward so that the upper end of the second connecting portion 108 is located above the first connecting portion 105 (Fig. 8).
  • the opening direction of the discharge passage 109 in the second connection part 108 and the opening direction of the discharge passage 107 in the first connection part 105 are perpendicular to each other when viewed from above.
  • the discharge path 107 in the first connecting portion 105 is inclined at a predetermined angle ⁇ 1 with respect to the horizontal line HL intersecting the straight line L2, and the first connecting portion 105 is It is inclined in a direction located above the vertical line VL direction.
  • the discharge passage 109 in the second connection part 108 and the discharge passage 107 in the first connection part 105 open into the space S10 inside the strainer 10.
  • the second connecting portion 108 is located near the straight line L1 passing through the approximate center of the upper case 101.
  • a recess 110 (notch) recessed toward the lower case 102 (towards the back of the paper in FIG. 7) is provided in a region located on the extension of the discharge path 109 in the second connecting portion 108. That is, when the strainer 10 is viewed from the side, the discharge passage 109 of the second connecting portion 108 is completely exposed. Therefore, the cylindrical member 130 shown in FIG. 5 can be inserted into the discharge passage 109 from the side of the strainer 10 without interfering with the upper case 101.
  • a small diameter portion 109a (see FIG. 7) having an inner diameter smaller than that of the discharge path 109 is provided in the middle of the discharge path 109. The cylindrical member 130 inserted into the discharge passage 109 is inserted into the discharge passage 109 until it contacts the small diameter portion 109a.
  • the second connection part 108 of the strainer 10 and the connection part 625 on the partition wall part 62 side are connected to each other via the cylindrical member 130 inserted into the discharge path 109 and the connection port 625a. connected.
  • the discharge passage 109 of the strainer 10 communicates with the oil passage 626 in the partition wall 62 via the cylindrical member 130 and the connection port 625a of the connection part 625. Therefore, after inserting the cylindrical member 130 into the discharge passage 109 on the side of the strainer 10, the strainer 10 is brought closer to the partition wall 62 from the first chamber S1 side, and the cylindrical member 130 is inserted into the connection port 625a of the connection part 625. By doing so, the discharge passage 109 and the oil passage 626 communicate with each other via the connecting portion 625. Note that at this time, the cylindrical member 130 may be inserted into the connection port 625a of the connection portion 625 first.
  • the strainer 10 is assembled to the mechanical oil pump MOP by inserting the tip 105a side of the first connecting portion 105 into the connecting port 120 on the mechanical oil pump MOP side.
  • the mechanical oil pump MOP is assembled to the partition wall 62, and the strainer 10 is supported by the partition wall 62 via the mechanical oil pump MOP.
  • FIG. 9 is a diagram illustrating the support structure of the mechanical oil pump MOP in the partition wall portion 62.
  • FIG. 9 schematically shows a cross section of the mechanical oil pump MOP taken along line AA in FIG.
  • a positioning protrusion 150 and an oil OL discharge port 140 are provided at a portion of the mechanical oil pump MOP that faces the partition wall 62.
  • an insertion hole 629 and a connecting portion 627 are opened on the surface facing the mechanical oil pump MOP.
  • the mechanical oil pump MOP is positioned at a predetermined position on the partition wall 62 by inserting the protrusion 150 into the insertion hole 629 of the partition wall 62 .
  • the mechanical oil pump MOP is fixed to the partition wall 62 with bolts (not shown).
  • the discharge port 140 of the mechanical oil pump MOP is disposed at a position facing the connection portion 627 on the partition wall portion 62 side, and the discharge port 140 and the connection portion 627 are connected to each other. communicate.
  • the connecting portion 627 communicates with an oil passage 628 within the partition wall portion 62 . Therefore, the oil OL discharged from the discharge port 140 of the mechanical oil pump MOP is supplied into the oil passage 628 through the connection portion 627.
  • FIG. 10 is a diagram illustrating a process of attaching the strainer 10 and mechanical oil pump MOP to the partition wall 62.
  • the first connecting portion 105 of the strainer 10 is inserted into the connecting port 120 of the mechanical oil pump MOP from the direction of the straight line L1, and the strainer 10 is assembled to the mechanical oil pump MOP.
  • the insertion direction (displacement direction) of the strainer 10 at this time is a direction along the mounting surface 640 of the partition wall 62, and a direction perpendicular to the mounting direction (direction of the straight line L2) of the mechanical oil pump MOP to the partition wall 62.
  • the subassembly of the mechanical oil pump MOP with the strainer 10 assembled is displaced in the direction of a straight line L2 perpendicular to the straight line L1, and the protrusion 150 of the mechanical oil pump MOP is inserted into the insertion hole 629 of the partition wall 62. position.
  • the cylindrical member 130 is inserted into the connection port 625a of the connection part 625, and in parallel with the insertion of the protrusion 150 into the insertion hole 629, the cylindrical member 130 is inserted into the second connection part 108 of the strainer 10. Insert into.
  • the strainer 10 is supported at two locations: the connecting portion 625 and the mechanical oil pump MOP.
  • the strainer 10 is supported only by the mechanical oil pump MOP, there is a possibility that the strainer 10 rotates around the straight line L1 due to vibrations when the vehicle V equipped with the power transmission device 1 is traveling.
  • the rotation of the strainer 10 around the straight line L1 is restricted by the cylindrical member 130 inserted into the second connecting portion 108 from the direction of the straight line L2.
  • the strainer 10 is arranged such that a part of the strainer 10 extends below the partition wall 62 .
  • a portion of the strainer 10 is arranged to extend into the opening 620.
  • the strainer 10 is placed away from the lower region Rx in the rotation axis X1 direction in order to avoid interference with the lower region Rx on the side of the peripheral wall 61. direction (rightward in FIG. 5).
  • the housing HS case 6 becomes larger in the direction of the rotation axis X1.
  • a part of the strainer 10 can be arranged to extend into the opening 620, it is possible to suitably suppress the housing HS (case 6) from increasing in size in the direction of the rotation axis X1.
  • the power transmission device 1 for a vehicle has the following configuration.
  • the power transmission device 1 is A power transmission mechanism (torque converter T/C, forward/reverse switching mechanism 2, variator 3, deceleration mechanism 4, differential gear 5) that transmits the driving force of the engine ENG (drive source) to the drive wheels WH, WH; a housing HS that accommodates a power transmission mechanism; a partition wall 62 that supports the rotating shaft of the power transmission mechanism and partitions the inside of the housing HS; a strainer 10 disposed at the lower part of the housing HS; It has a mechanical oil pump MOP (pump) supported by the partition wall part 62.
  • MOP mechanical oil pump
  • a first chamber S1 located on one side of the partition wall portion 62 in the direction of the rotation axis X of the power transmission device;
  • a second chamber S2 is provided located on the other side of the partition wall portion 62 in the direction of the rotation axis X of the power transmission device.
  • the strainer 10 is A first connection part 105 (first connection port) connected to the mechanical oil pump MOP, a second connection part 108 (second connection port) connected to the oil passage 626 (second oil passage) in the partition wall 62, has.
  • the second connecting portion 108 is connected to the oil passage 626 from the direction in which the mechanical oil pump MOP is assembled to the partition wall portion 62 .
  • the strainer 10 is supported at two locations: the mechanical oil pump MOP attached to the partition wall 62 and the partition wall 62, so that support stability of the strainer 10 is ensured. Furthermore, after assembling the strainer 10 to the mechanical oil pump MOP, the mechanical oil pump MOP is assembled to the partition wall section 62, thereby completing the connection between the second connection section 108 of the strainer 10 and the oil passage 626 on the partition wall section 62 side. do. Thereby, the connection configuration between the strainer 10 and the oil passage 626 can be simplified.
  • oil passage 626 Intra-case oil passage
  • oil passage 626 in the partition wall 62 of the case 6
  • Oil OL can be supplied.
  • the mechanical oil pump MOP pump
  • the strainer 10 by assembling the mechanical oil pump MOP (pump) to which the strainer 10 is assembled to the partition wall portion 62, the arrangement of the mechanical oil pump MOP and the strainer 10 within the housing HS is completed. That is, by assembling the strainer 10 to the mechanical oil pump MOP to form a subassembly, the strainer 10 and the mechanical oil pump MOP can be easily arranged within the housing HS. Furthermore, the support structure of the strainer 10 can be simplified.
  • An opening 620 (communication hole) that communicates the first chamber S1 and the second chamber S2 is provided at the lower part of the partition wall 62.
  • the strainer 10 When viewed from the vertical line VL direction based on the installed state of the power transmission device 1 in the vehicle V, the strainer 10 is partially located within the opening 620 and is arranged with an area overlapping with the partition wall 62. has been done.
  • the strainer 10 is arranged avoiding the partition wall 62, the width of the housing HS in the rotation axis direction of the power transmission mechanism may increase.
  • the strainer 10 can be arranged so as to overlap the partition part 62 when seen from the direction of the vertical line VL. This provides a compact arrangement structure for the strainer 10 that can accommodate the strainer within the housing HS. Therefore, it is possible to reduce the possibility that the width of the housing HS in the direction of the rotation axis of the power transmission mechanism will increase.
  • a concave portion 110 is provided on the partition wall portion 62 side when viewed from the second connection portion 108 to avoid interference with the partition wall portion 62.
  • the area of the second connecting portion 108 in the strainer 10 is arranged to overlap with the partition wall 62 when viewed from the direction in which the mechanical oil pump MOP is assembled to the partition wall 62 .
  • the main body of the strainer 10 can be placed across the lower side of the partition wall 62 in the rotation axis X1 direction.
  • the area of the strainer 10 seen from the direction of the vertical line VL can be secured, and the strainer 10 can be disposed closer to the upper side in the vertical direction, so that the volume of the strainer 10 can be secured.
  • the direction of assembly of the first connection portion 105 of the strainer 10 and the mechanical oil pump MOP (direction of the straight line L1) is as follows: This is a direction that intersects the direction in which the mechanical oil pump MOP is assembled to the partition wall portion 62 (direction of the straight line L2), and more preferably a direction that intersects perpendicularly.
  • the strainer 10 can be connected to two other components. Thereby, rotation of the strainer 10 assembled to the mechanical oil pump MOP can be suppressed more reliably. Since there is no need to separately prepare parts for suppressing the rotation of the strainer 10, an increase in cost due to an increase in the number of parts can be suppressed.
  • An accommodating portion 67 is provided below the peripheral wall portion 641 in a range extending along the rotation axis X to the partition wall portion 62 in the vertical direction based on the installation state of the power transmission device 1 in the vehicle V. ing.
  • the strainer 10 is provided in the housing section 67.
  • the accommodating part 67 functions as a through part (through hole) that communicates the lower part of the first chamber S1 and the lower part of the second chamber S2.
  • the oil OL in the first chamber S1 and the oil OL in the second chamber S2 are collected into the storage part 67 located at the lower part of the housing HS, so the amount of oil OL sucked through the strainer 10 can be increased.
  • the peripheral wall portion 641 is located between the housing portion 67 and the area 651 that accommodates the forward/reverse switching mechanism 2 (first rotating element), the rotation of the rotating element included in the forward/reverse switching mechanism 2 causes The extent to which the oil level of the oil OL in the storage portion 67 fluctuates can be suppressed.
  • the oil OL in the storage section 67 If the oil level of the oil OL in the storage section 67 is large, air suction may occur in the strainer 10, but since the possibility of air suction can be reduced, the oil OL can be stably supplied through the strainer 10. can be sucked into. When the oil OL sucked through the strainer 10 is used for the operation or lubrication of the power transmission mechanism, the oil OL can be stably supplied to the hydraulic control circuit side, so that the operation and lubrication of the power transmission mechanism can be properly performed. It can be carried out.
  • a final gear 45 (second rotating element) provided on the lower side of the vehicle rear side of the forward/reverse switching mechanism 2 (first rotating element);
  • a baffle plate 66 surrounding the outer periphery of the final gear 45 is provided.
  • the strainer 10 Seen from the direction of the rotation axis X of the power transmission device 1, the strainer 10 is located between the rotation axis X1 of the forward/reverse switching mechanism 2 and the rotation axis X4 of the final gear 45.
  • the strainer 10 In the power transmission device 1, there is a spatial margin between the rotation axis X1 of the forward/reverse switching mechanism 2 and the rotation axis X4 of the final gear 45.
  • the strainer 10 When the strainer 10 is arranged in this space, the strainer 10 can be arranged upward in the vertical direction. Thereby, enlargement of the power transmission device 1 in the direction of the vertical line VL can be suitably suppressed.
  • the strainer 10 Seen from the direction of the rotation axis X of the power transmission device 1, the strainer 10 is arranged at a position intersecting the tangent Lm.
  • the tangent Lm is a peripheral wall portion 641 along the lower outer periphery of the forward/reverse switching mechanism 2 (first rotating element) and an arcuate wall portion of the baffle plate 66 along the lower outer periphery of the final gear 45 (second rotating element). 662.
  • the area between the peripheral wall portion 641 and the arcuate wall portion 662 tends to become a dead space that is not used.
  • the strainer 10 by arranging the strainer 10 close to the region between the peripheral wall portion 641 and the arcuate wall portion 662, it is possible to suitably suppress the case 6 from increasing in size in the vertical direction due to the provision of the strainer 10.
  • the accommodating portion 67 accommodates the power transmission device 1 when viewed from the rotation axis X1 of the forward/reverse switching mechanism 2 (first rotation element) and the rotation axis X4 of the final gear 45 (second rotation element). It is located on the lower side in the vertical line VL direction based on the installation state in the vehicle V.
  • a baffle plate 66 surrounding the outer periphery of the final gear 45 (second rotating element) is provided on the first chamber S1 side.
  • the opening 620 is located at a position intersecting a tangent Lm connecting the outer circumference of the arc-shaped peripheral wall 641 surrounding the forward/reverse switching mechanism 2 and the outer periphery of the arc-shaped wall 662 of the baffle plate 66 surrounding the outer periphery of the final gear 45. ing.
  • the opening 620 is formed in a range extending from the region between the peripheral wall 641 and the arcuate wall 662 to the lower part of the case 6 by crossing the tangent Lm from above to below.
  • the strainer 10 is arranged so as to overlap with the opening 620 when viewed from the directions of the rotation axes X1 and X4.
  • the area between the peripheral wall portion 641 and the arcuate wall portion 662 tends to become a dead space that is not used.
  • the strainer 10 by arranging the strainer 10 close to the region between the peripheral wall portion 641 and the arcuate wall portion 662, it is possible to suitably suppress the case 6 from increasing in size in the vertical direction due to the provision of the strainer 10.
  • the mechanical oil pump MOP is located on the side of the strainer 10 on the front side of the vehicle.
  • the forward/reverse switching mechanism 2 (first rotating element) is located above the final gear 45 (second rotating element) on the vehicle front side. Therefore, on the vehicle front side of the strainer 10, there is more space in the vertical line VL direction than on the vehicle rear side.
  • the mechanical oil pump MOP on the side of the strainer 10 on the vehicle front side, it is possible to suitably suppress the case 6 of the power transmission device 1 from increasing in size in the vertical direction.
  • the power transmission device 1 is a power transmission mechanism that transmits the driving force from the engine ENG (drive source) to the driving wheels WH, WH; a housing HS that accommodates a power transmission mechanism; a control valve CV that controls the pressure of oil OL supplied to the power transmission mechanism; It has a pump (electric oil pump EOP, mechanical oil pump MOP) that supplies oil OL to the control valve CV.
  • EOP electric oil pump
  • MOP mechanical oil pump
  • Housing HS is a partition wall portion 62 that supports the rotating shaft of the power transmission mechanism; a first chamber S1 located on one side of the partition wall portion 62 in the direction of the rotation axis X of the power transmission mechanism; a second chamber S2 located on the other side of the partition wall portion 62 in the direction of the rotation axis X of the power transmission mechanism; It has a first chamber S1 and a storage chamber S3 located on the vehicle front side of the second chamber S2.
  • the control valve CV and the electric oil pump EOP are arranged vertically within the storage chamber S3.
  • the control valve CV and the electric oil pump EOP are lined up in the direction of the rotation axis X of the power transmission mechanism within the storage chamber S3.
  • a mechanical oil pump supported by the mechanical oil pump MOP is located between the input shaft (rotation axis X1) and the output shaft (rotation axis X4) of the power transmission mechanism.
  • a strainer 10 is located.
  • the strainer 10 is A first connection part 105 (first connection port) connected to the mechanical oil pump MOP, a second connection part 108 (second connection port) connected to the oil passage 626 (second oil passage) in the partition wall 62, has.
  • the second connecting portion 108 is connected to the oil passage 626 from the direction in which the mechanical oil pump MOP is assembled to the partition wall portion 62 .
  • the strainer 10 is attached to the control valve CV.
  • the control valve CV is arranged in a storage chamber S3 different from the first chamber S1 in which the strainer 10 is arranged. Ru. Therefore, the control valve CV cannot be used to support the strainer 10.
  • the strainer 10 is supported at two locations: the mechanical oil pump MOP attached to the partition wall 62 and the partition wall 62, so that support stability of the strainer 10 is ensured.
  • the power transmission device 1 transmits the rotation of the engine ENG to the drive wheels WH, WH is illustrated, but the power transmission device 1 transmits the rotation of the engine ENG and the motor (rotating electric machine).
  • the rotation may be transmitted to the drive wheels WH, WH.
  • a one-motor, two-clutch type (the motor is arranged between the engine ENG and the power transmission device, the first clutch is arranged between the engine ENG and the motor, and the second clutch is arranged inside the power transmission device 1)
  • It may also be a power transmission device of the following type.
  • the case where the power transmission device 1 has a speed change function is illustrated, but the power transmission mechanism does not have a speed change function and simply decelerates (or may speed up). It's okay. If the power transmission device does not have a speed change function and is configured to decelerate the rotation of the motor and transmit it to the drive wheels WH, the oil OL for cooling the motor and the deceleration
  • a hydraulic control circuit for supplying oil OL for lubricating the mechanism is arranged in the accommodation chamber S3 together with the electric oil pump EOP.
  • the control unit of the power transmission device 1 is provided with the control valve CV, but the power transmission device 1 does not have a speed change mechanism, and the drive source is not the engine ENG.
  • a motor rotating electric machine
  • it may be a control unit including an inverter or the like that drives and controls the motor.
  • Power transmission device 2 Forward/forward switching mechanism (power transmission mechanism: first rotating element) 3 Variator (power transmission mechanism) 4 Reduction mechanism (power transmission mechanism) 45 Final gear (second rotating element) 5 Differential device (power transmission mechanism) 6 Case 61 Peripheral wall portion 62 Partition wall portion 66 Baffle plate 662 Arc-shaped wall portion 67 Housing portion 7 First cover 8 Second cover 9 Third cover 10 Strainer 105 First connection portion (first connection port) 107 Discharge path 108 Second connection part (second connection port) 109 Discharge path 110 Recess 120 Connection port 620 Opening (communication hole) 626 Oilway (2nd oilway) 628 Oilway (1st oilway) 641 Peripheral wall HS Housing MOP Mechanical oil pump (pump) OL oil S1 1st chamber S2 2nd chamber X1 to X4: Rotating shaft

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)
PCT/JP2023/011610 2022-03-23 2023-03-23 動力伝達装置 Ceased WO2023182447A1 (ja)

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CN202380028764.9A CN119110876A (zh) 2022-03-23 2023-03-23 动力传递装置
US18/848,269 US12595842B2 (en) 2022-03-23 2023-03-23 Power transmission device

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US20250224029A1 (en) * 2022-03-23 2025-07-10 Jatco Ltd Power transmission device

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CN119053802A (zh) * 2022-03-23 2024-11-29 加特可株式会社 动力传递装置以及液压装置

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US20250215968A1 (en) 2025-07-03

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