Abstract: The present invention relates to a non-magnetic needle bearing for use in a rotational machine such as, for example, an MRI. The needle bearing may include needles, a cylindrical retainer holding the needles at a predetermined pitch, an outer ring outside of the retainer, and an inner ring inside the retainer. All of the aforementioned may be made of a non-thermoplastic polyimide resin.

Abstract: A pre-set bearing assembly provides for a simplified installation within a rotating shaft system. The bearing assembly includes an outer ring, a first and a second inner ring, a first and a second row of rolling elements, and at least one coupling element that couples the first inner ring to the second inner ring, setting the pre-load or end-play of the bearing assembly to a pre-determined range. The outer ring includes a first outer rolling element raceway on a first inner radial surface and a second outer rolling element raceway on a second inner radial surface. The first inner ring includes a first inner rolling element raceway and the second inner ring includes a second inner rolling element raceway.

Abstract: The present invention is provided with: a rolling bearing (16) for rotatably supporting a rotating shaft (6); a housing (17) for externally covering the rolling bearing (16) in the radial direction of the rotating shaft (6); a damping member (18) disposed inside the housing (17) in the radial direction of the rotating shaft (6) with a gap (S1) therebetween and provided so as to be incapable of being displaced relative to an outer ring (21) in the radial direction and circumferential direction of the rotating shaft (6); and a damper (19) provided between the housing (17) and the damping member (18) to support the damping member (18) so that the damping member (18) can be displaced relative to the housing (17) in the axial direction of the rotating shaft (6), the damper (19) absorbing the displacement of the damping member (18) in the radial direction of the rotating shaft (6).

Abstract: A rotation method includes bringing a conical first cone having a first rotation shaft into contact with a spherical body to be rotated at a first contact point of the spherical body from a first direction along the first rotation shaft and bringing a conical second cone having a second rotation shaft into contact at a second contact point different from the first contact point of the spherical body from the first direction and rotating the spherical body around an axis extending in a direction along a line segment which connects the first contact point and the second contact point to each other while the first cone and the second cone are relatively pressed against the spherical body from the first direction.

Abstract: A supporting assembly including a bearing, a bearing housing having an annular element housing and a base for fixing, and a cover for close fluid tight an opening of the housing element; the cover being cup-shaped and including an annular coupling portion to a radially outer lateral surface for housing the annular element. The coupling portion provided radially on the inside with at least a pair of teeth projecting radially towards the inside of the lid; the lateral surface of the annular element housing provided with an annular seat for the teeth of the lid, including: an annular groove disposed axially spaced with respect to a front edge of the housing element; axial grooves equal to the number of teeth present and that radially interrupt the front edge; and a bottom wall provided with a plurality of alternating troughs and projections arranged offset circumferentially with respect to the axial grooves.

Abstract: A drive-side concavo-convex part (26, 26a) is made to engage the half of a cup-side concavo-convex part (35) which is on the other side in the axial direction, while the central axes of a drive shaft (12a) and a driven shaft (8a) are aligned with each other, and drive-side gaps (36, 36a), the width of which in the circumferential direction increases toward the other side in the axial direction, are interposed between the circumferential side surface of each drive-side convex part (25, 25a) and the circumferential side surface of each cup-side convex part (34).

Abstract: A mechanical shaft includes a shaft body defining a longitudinal axis. A spline is included at a first end of the shaft body. A flexible coupling is included at a second end of the shaft body opposite the spline across the longitudinal axis. The spline and flexible coupling are of dissimilar metals. A bi-metallic joint joins the dissimilar metals together.

Abstract: A gas turbine engine with a geared turbofan arrangement with a gearbox in a drive shaft assembly driven by a turbine is provided. A driving side of the gearbox being driveably connected with at least one propulsive fan, with at least one mechanical fuse in the drive shaft assembly enabling a controlled disengagement of at least one engine part from the drive shaft assembly in case of a mechanical failure of the gas turbine engine or a part thereof and at least one load stop for bearing a load, in particular an axial or radial load in case of the mechanical failure of the gas turbine or a part thereof. A first mechanical fuse is positioned in a torque carrying shaft or a torque carrying part of a shaft, in particular in a torque bearing coupling between the shaft and the gearbox.

Abstract: A driving force transmitter, including a coupling member, a cam member, an electromagnetic clutch, a sensor, and a controller, is provided. The coupling member arranged between a driving source and a driven device includes a first shaft, a second shaft, a stationary coupling member, and a movable coupling member which is movable between a separating position and an engaging position. The cam member is rotatable to move the movable coupling member. The electromagnetic clutch connects the cam member with the driving source when electrically powered and disconnects the cam member when not electrically powered. The sensor detects rotational positions of the cam member. The controller switches the electricity to the electromagnetic clutch according to the rotational positions of the cam member.

Abstract: A rotating shifting element arrangement for an automatic transmission of a vehicle, having a cylinder element (2), is proposed, in which an actuating piston (3) for actuating a shifting element (1) is arranged in an axially movable way, a compensating cavity (4) of the shifting element (1) being provided by way of the actuating piston (3) and an oil dam (5), and wherein the oil dam (5) is fixed radially outside the piston face (6) of the actuating piston (3).

Abstract: A hydraulic system for a multiple friction transmission, comprising: a first pressure relief valve 5 regulable by means of a first pilot pressure; a normally-open drain valve 8, which is a directional valve switchable between an open state and a closed state by means of a second pilot pressure; at least one first pressure regulator 11 for operating the drain valve by means of a first pilot pressure and a second pilot pressure, respectively; wherein in the event of detrimental hydraulic pressure build up, the second pilot pressure is dropped to open the drain valve, so as to relieve pressure through the drain line.

Abstract: A ball and ramp assembly including a first plate, a second plate and one or more rolling elements between the first and second plates. The first plate includes a shoulder portion that extends from a first side of the first plate. Additionally, the first plate includes an increased diameter portion that extends from an outer surface of the first plate. Extending inward from a second side of the first plate is a receiving portion with a substantially vertical wall portion having one or more non-circular first plate grooves. The second plate has one or more non-circular second plate grooves that extend along a first side of the second plate. The second plate grooves are a reverse mirror image of the first plate grooves. Radially outboard from the shoulder portion is a thrust bearing and integrally connected to the outer surface of the first plate is a first plate gear portion.

Abstract: A bi-direction wedge clutch, including an axis of rotation, a wedge plate, and an inner race located radially inward of the wedge plate. The wedge plate includes: a first ramp extending progressively radially outward in a first circumferential direction and extending a distance in the first circumferential direction; and a second ramp directly connected to the first ramp, extending progressively radially outward in a second circumferential direction, opposite the first circumferential direction, and extending, in the first circumferential direction, a distance less than the distance for the first ramp. The inner race includes first and second ramps in contact with the first ramp of the wedge plate and the second ramp of the wedge plate, respectively.

Abstract: A guide assembly for a disc brake, the guide assembly comprising a bore disposed in a disc brake caliper for receiving a guide pin. The bore comprises a first bore portion with a substantially circular cross-sectional profile and a second bore portion with a substantially circular cross-sectional profile arranged sequentially along the length of the bore and tangentially offset such that the bore is defined by the overlap of the first bore portion and second bore portion and has a lens-shaped cross-sectional profile.

Abstract: A rotating body is rotatably supported on a holding section. The holding section includes a rotation detection unit, a torque-applying unit, and a brake-applying unit. The torque-applying unit includes an A-phase torque-applying coil and a B-phase torque-applying coil, and a resistance torque and a pull-in torque applied to a rotor (magnet) are caused to vary as a result of controlling supply of current to each of the coils. In addition, a braking force can be controlled by supplying current to a brake-applying coil included in the brake-applying unit.

Abstract: A brake caliper cover to cover the calipers of vehicles having disc brakes. The cover has a mount formed by a body having two ends configured to each engage with the two guide pins for the brake pads housed in a cavity of the caliper. The cover engages to the body of the mount using one or a plurality of supports engaged to the cover which are removably engageable to connectors on the mount.

Abstract: A torque bar manufactured by an additive manufacturing process is provided. The torque bar may include a torque bar body made of more than one metallic material. The torque bar may also include a geometry that comprises one or more voids and one or more webs, as well as a varied geometry in the direction of a longitudinal axis. The torque bars can exhibit characteristics, such as vibration damping, tuned stiffness, and tuned bending resistance in order to enhance dynamic stability.

Abstract: Disclosed is a solid-type brake disc including a hat part, which includes a circular main body mounted on a rotation shaft of a wheel, and a plurality of protrusions protruding in a circumferential direction from an outside surface of the main body, and a friction part, which includes a ring body having a through-hole formed in the center thereof for receiving the hat part in the through-hole, and recessed portions protruding from the periphery of the through-hole toward the respective protrusions, the recessed portions being connected to the respective protrusions to enclose the protrusions.

Abstract: A thin-walled piston having a multi-part construction for a brake caliper, the piston having a one-piece design with the form of a pot, which is open on one side, a longitudinal axis, a wall and a piston floor, and which can be applied in the region of the piston floor with an axial contact surface to a brake lining, wherein a tubular insert with a cone is fixed in the interior of the piston, the insert forming a bearing for a bushing.

Abstract: A Lin-Xie brake used by a mine hoist, a car, a high-speed train, etc. Gas springs are used to replace belleville springs, and a positive pressure is also always applied to brake pads to both ensure and increase the brake reliability and a positive pressure per unit area. And the Lin-Xie brake resolves problems such as deformation of the belleville springs, a serious change in an elastic force, sudden cracking and decompression, inconvenient monitoring, and a manufacturing difficulty. For the Lin-Xie brake, a brake head floating structure is used to reduce a requirement on end face runout of a brake disc. An oil-gas linkage plunger pump is used to replace a hydraulic station, which greatly reduces manufacturing costs, and reduces energy consumption. The Lin-Xie brake is an ideal product to replace medium or large-sized Lin-Xie brakes used by existing mine hoists, cars, high-speed trains, etc.

Abstract: A damping assembly in a vehicle is provided. The damping assembly comprises a rod; a spring disposed along a lengthwise direction of the rod; and a buffer pad including a connection end coupled to the rod and an external end opposing the connection end and including a buffer surface. The spring is coupled with the rod and configured to be retracted and extended with the rod at the lengthwise direction.

Abstract: There is provided a shock absorber enabling a shock at the time of transition from a low speed region to a high speed region to be reduced without impairing ride quality in an ultra-low speed region. The shock absorber includes a compression-side second damping passage connecting two chambers to each other by bypassing a compression-side main valve opening/closing a compression-side first damping passage connecting the two chambers to each other to give resistance to flow of liquid flowing in the compression-side first damping passage and a compression-side throttle valve throttling the compression-side second damping passage. The compression-side throttle valve includes a housing including a valve seat, a case inserted in the housing, a valve body movably inserted at one end thereof in the case, and a coil spring biasing the valve body to the side of the valve seat.

Abstract: A gas spring with a casing with an axially extending side wall, an open end and a closed end wall spaced from the open end and a pressure chamber provided in part by the walls to receive a gas therein under pressure and a piston rod slidably received in a housing received in the casing and movable between extended and retracted positions. A pressure relief collar slidably carried around the piston rod and normally projecting axially outwardly of the casing can be displaced axially inwardly during an overtravel condition of the piston rod to displace a portion of a piston rod seal to open an overpressure relief path to allow pressurized gas in the pressure chamber to escape to the outside of the gas spring.

Abstract: There is provided a damper that can reduce a shock when a piston speed reaches a high speed range from a low speed range without deteriorating a ride comfort while the piston speed is in the low speed range. In order to solve the above-mentioned problem, in a damper D of the present invention, since a orifice (7) and an opening/closing valve (9) are arranged in parallel with a bypass passage (B) bypassing a damping passage (3), and a valve opening pressure of an opening/closing valve (9) is made lower than a valve opening pressure of a damping valve (5), a sudden change in an inclination of a damping force characteristic can be moderated at an inflection point of the damping force characteristic even if the damping force is increased while the piston speed is in the low speed range.

Abstract: A negative stiffness structure for vibration isolation, shock mitigation, and/or signal processing includes a flexible tensile member and a curved compressive member. A first end of the tensile member is attached to a first structure. A first end of the curved compressive member is coupled to a first structure and a second end of the curved compressive member is coupled to a second end of the flexible tensile member. A length of the tensile member is greater than a length of the compressive member. A tip of the negative stiffness structure is configured to exhibit a negative stiffness mechanical response to a load applied to the tip. The negative stiffness mechanical response acts in a direction orthogonal to the length of the tensile member.

Abstract: A damper device that includes an input element to which torque from an engine is transferred; an output element; a first intermediate element; a second intermediate element; a first elastic body that transfers torque between the input element and the first intermediate element; a second elastic body that transfers torque between the first intermediate element and the output element; a third elastic body that transfers torque between the input element and the second intermediate element; a fourth elastic body that transfers torque between the second intermediate element and the output element; and a fifth elastic body that transfers torque between the first intermediate element and the second intermediate element.

Abstract: A damper device that includes an input element to which torque from an engine is transferred; an output element; a first intermediate element; a second intermediate element; a first elastic body that transfers torque between the input element and the first intermediate element; a second elastic body that transfers torque between the first intermediate element and the output element; a third elastic body that transfers torque between the input element and the second intermediate element; a fourth elastic body that transfers torque between the second intermediate element and the output element; and a fifth elastic body that transfers torque between the first intermediate element and the second intermediate element.

Abstract: A damper device that includes an input element to which torque from an engine is transferred; an output element; a first intermediate element; a second intermediate element; a first elastic body that transfers torque between the input element and the first intermediate element; a second elastic body that transfers torque between the first intermediate element and the output element; a third elastic body that transfers torque between the input element and the second intermediate element; a fourth elastic body that transfers torque between the second intermediate element and the output element; and a fifth elastic body that transfers torque between the first intermediate element and the second intermediate element.

Abstract: A flywheel apparatus that magnetically unloads a top rotor bearing is described. The apparatus includes a flywheel housing, a rotor with a vertical axis of rotation that includes a magnetic material, a magnet configured to apply a desired upward off-loading force along the vertical axis of rotation, an upper bearing connected to an upper shaft of the rotor, and a bearing housing disposed between the upper bearing and the flywheel housing that substantially prevents downward axial motion of the upper bearing. The magnet includes an electromagnet. A force sensor is used to measure a force on the upper bearing which is provided as input to a controller that updates the current to the electromagnet. The rotor is maintained in a fixed axial position and a spring disposed below a lower bearing absorbs axial dimension growth of the rotor.

Abstract: In one aspect, a conveyor belt fastener is provided having a rigid body made from a strip of cold-rolled or cold-drawn material such as steel. The body has an upper plate portion, a lower plate portion, and loop portions connecting the upper and lower plate portions. The upper and lower plate portions each have a variable cross-sectional thickness laterally thereacross including raised walls projecting outwardly and ribs projecting inwardly. The fastener has at least one attachment member, such as a staple, for connecting the plate portions to a conveyor belt end and the raised walls protect the staple once driven into the conveyor belt end.

Abstract: The present invention relates to a wrapped V-belt containing: a belt main body containing a compression layer containing a compression rubber layer and a fabric-laminated body layer, a tension rubber layer and a tension member buried between the compression layer and the tension rubber layer; and an outside cloth that covers a periphery of the belt main body, in which the compression layer has a plurality of notch portions not covered with the outside cloth, and the notch portion has a top disposed in the fabric-laminated body layer.

Abstract: An adjustable bracket for alternator and related products, including an alternator that adjustably secures with the timing gear cover found on most vehicle engines, an offset mounting bracket securing with the gear cover, and having upwardly extending inclined arms, for connecting with the bottom of the alternator, and a tensioning arm also securing with the timing cover, having an integral bend upwardly towards its linear and arcuate portion, with the arcuate portions of the tensioning arm having a slot formed therein, through which an adjustment bolt secures with the upper part of the alternator, to allow for the alternator to be pivoted, about its offset mounting bracket, to apply the proper tensioning to its installed V belt, to attain its proper operations.

Abstract: A powertrain has a continuously variable transmission including a shaft rotatable about an axis. The CVT further comprises a variator assembly that includes a pulley supported on the shaft. The pulley has a movable sheave with a ramp surface. The movable sheave is axially movable on the shaft. The variator assembly also includes an endless rotatable device frictionally engaged with the movable sheave. An actuator mechanism includes a wedge component supported on the shaft. The wedge component has a wedge surface that automatically engages the ramp surface when torque on the shaft is in a first direction. The wedge surface applies a wedge force on the ramp surface. The actuator mechanism further includes an actuator that is operatively connected to the movable sheave and is activatable to apply a force on the movable sheave.

Abstract: The CVT includes a first pulley and a second pulley. Each of the first and second pulleys includes a first sheave, a second sheave, and a pulley axle operatively coupled between the first sheave and the second sheave. The first sheave can move relative to the second sheave along the pulley axle. Each of the first and second sheaves includes a sheave body and a plurality of sheave teeth protruding from the sheave body. The CVT further includes an endless rotatable device operatively coupled between the first and second pulleys. The endless rotatable device includes a plurality of pins interconnecting at least two of the links. The endless rotatable device further includes a plurality of device teeth each coupled to the pins.

Abstract: A continuously variable speed power bearing includes a bearing driving inner ring, a bearing driven outer ring, and a movable tooth assembly. A circle of movable tooth grooves are arranged on a periphery of the bearing driving inner ring, the movable tooth assembly is embedded into corresponding movable tooth grooves in a one-to-one mode. The bottoms of the movable tooth grooves are connected to a high-pressure oil inlet. An inner peripheral surface of the bearing driven outer ring is a variable diameter surface, and the variable diameter surface is evenly divided into a plurality of equal parts. Each corresponding equal part has an equal variable diameter and the same direction, and an outer end part of the movable tooth assembly fits the variable diameter surface.

Abstract: A spindle drive apparatus includes a guide tube having a connection unit for connecting the spindle drive apparatus to a superordinate assembly, the connection unit fastened to the guide tube for rotation relative thereto, an externally threaded spindle housed at least in part in the guide tube, a further connection unit rotationally fixed to the end of the spindle for connecting the spindle drive apparatus to a further superordinate assembly, a spindle nut is fastened to the guide tube in threaded engagement with the spindle, and a drive assembly has a drive unit, wherein a drive element that is driven by the drive unit surrounds the guide tube and is rotationally fixable thereto, and wherein the drive unit is supported on one of the superordinate assemblies or on an element connected thereto.

Abstract: Slack-compensating pulleys, transmission systems including slack-compensating pulleys, and methods of operating these. In general, slack-compensating pulleys include a pulley body onto which a cable can wind, and one or more (e.g., two) slack take-up surfaces that rotate with the pulley body that are configured to remove slack form an outgoing length of cable by increasing the cable path length and wrap angle. In particular, described herein are minimal access tools having slack-compensating transmissions.

Abstract: A torque cam device for an automatic transmission including: a drive cam member; and a driven cam member, each of the first drive cam surface and the first driven cam surface including an entire annular circumference equally divided into at least two sections each having a helical curved surface according to a cam angle, and connection portions formed between the equally divided helical curved surfaces, and at least one of the helical curved surfaces of the first drive cam surface and the first driven cam surface having a guide groove which is continuous in an entire circumference, and which is arranged to guide a movement of the ball.

Abstract: A screw actuator comprises a screw shaft for threaded engagement with an actuator output device such that rotation of the screw shaft causes linear movement of the actuator output device; and a motor for driving rotation of the screw shaft. A no-back device is included for restricting movement of the screw shaft in response to feedback torque applied due to external forces on the actuator output device.

Abstract: An electrical axle is provided. The electrical axle comprises an electrical motor (40) which is selectively connected to a differential (30) via a reduction gear (50) and a planetary gear set (60), said planetary gear set (60) having one input (66) and two outputs (64, 66), The electrical axle (20) further comprises a gear shift mechanism (70) configured to selectively connect a differential housing (32) to one of said outputs (66, 64).

Abstract: A differential gear assembly, a gear shaft for a differential gear assembly, and a method of assembly. The differential gear assembly includes a casing, a first gear shaft, a first differential side gear, and at least one fastening member. The fastening member may be visible from outside the casing.

Abstract: A method for producing a stator for a camshaft adjuster, the produced stator having an annular main body with outer spur toothing and with webs extending radially inwards from a radially inner surface of the main body spaced part from one another in the circumferential direction of the main body, includes the steps of providing a mold for forming the main body integrally with the spur toothing and the webs extending radially inwards, filling the mold with a metallic powder, pressing the powder to form a green compact and sintering the green compact to obtain a stator blank. The spur toothing, the surface of the main body facing radially inwards and formed between the webs as well as side faces of the webs adjoining the surface are compacted to the desired final dimensions in several steps without prior mechanical processing.

Abstract: A variable speed drive having a rotatable drive shaft, a fixed sheave fixed relative to the drive shaft and mounted for rotation with the drive shaft, a movable sheave mounted for axial movement relative to the drive shaft, a plurality of drive fingers projecting axially from one of the sheaves, each drive finger defining a finger contact, and a plurality of recesses in the other sheave, each drive finger being movably received by a corresponding one of the recesses, and each recess defining a recess contact that slidably engages the corresponding finger contact.

Abstract: A slew drive includes a housing, a worm shaft having a worm thread carried within the housing for rotational movement and a torque tube having an outer surface. The torque tube is carried by the housing for rotational movement perpendicularly to the worm shaft and worm thread. A ring gear section having teeth is carried by the torque tube with the teeth engaging the worm threads. An inner raceway is fabricated as an integral part of the torque tube. An outer raceway is fabricated as an integral part of the housing, the outer raceway radially overlying the inner raceway, and bearing elements captured between the inner raceway and the outer raceway.

Abstract: The invention relates to a system and process for removing hardened lubricant, contaminants and other debris from an enclosed gearbox of an actuator in the gas, oil, and power industries that allows the oil or gas pipeline to continue to operate uninterrupted during servicing. The system operates at a low pressure and includes two pumps: an upstream pump that pumps a non-corrosive mineral oil-based cleaning agent into the gearbox; and a downstream pump that pulls off the pressure from within the gearbox as part of the circulation of the flush system. The system and process are further provided with a clean tank for storing an influent cleaning agent, a waste tank for storing an effluent cleaning agent, and a circulation tank used during the flush circulation process. The system and process may also include a rotatable mounting assembly that is secured to the gearbox of the actuator.

Abstract: A gear apparatus according to the present disclosure includes: a sun gear; a carrier to which planetary gear shafts rotatably supporting multiple planetary gears meshing with this sun gear are fixed; an external gear portion; a gear cylinder having an internal gear portion meshing with the planetary gears; a gear meshing with the external gear portion of the gear cylinder; a lubricating oil passage formed in the planetary gears shafts, the lubricating oil passage configured to supply the lubricating oil to respective mashing parts between the planetary gears and the internal gear portion and between the planetary gears and the sun gear; and a lubricating oil guiding passage having one end opening to an inner circumferential surface of the gear cylinder, and discharging the lubricating oil present on an inner circumferential surface of the gear cylinder toward the meshing part between the external gear portion and the gear.

Abstract: A robot includes a gear device that has a first surface and a second surface which are in a tubular shape around an axis, are disposed inside and outside of each other, and repeatedly come into contact with and separate away from each other with operation of the gear device. The first surface has a first recessed portion and a first projection portion, which extend in a direction having a circumferential direction component around the axis and configure a first uneven pattern, by being alternately arranged in a direction along the axis. The second surface has a second recessed portion and a second projection portion, which extend in the direction having the circumferential direction component around the axis and configure a second uneven pattern that is different from the first uneven pattern, by being alternately arranged in the direction along the axis.

Abstract: Provided are approaches for incorporating a plurality of sensors within a housing assembly coupled to a gear assembly. In one approach, a sensor apparatus includes a housing assembly including a first section and a second section coupled to the first section, and a set of speed sensors disposed within the first section. In one approach, the set of speed sensors is configured to detect rotational speed of one or more gears of the gear assembly. The sensor apparatus further includes a position sensor disposed within the second section. In one approach, the position sensor is configured to detect a position of a park lock element. The sensor apparatus further includes a printed circuit board (PCB) disposed within the housing assembly, wherein the set of speed sensors and the position sensors are connected to the PCB.

Abstract: A directional valve (78, 178) for use with a multi-pressure hydraulic control system (66, 166) of a vehicle powertrain system (10) includes a valve member (80, 180) receiving at least three separate outputs of fluid pumped by at least one pump (28) for allowing the at least three separate outputs to be selectively combined and/or separated, the valve member (80, 180) being movable between at least three positions that produces fluid outputs having fluid pressures of a high fluid pressure, a medium fluid pressure, and a low fluid pressure to one or more portions of the hydraulic control system (66, 166).

Abstract: As a mode switching shift line when a sub-transmission mechanism is switched from a first-speed to a second-speed, a first mode switching shift line, which prioritizes a learning of a hydraulic pressure with which a Low brake starts to slip and a learning of a hydraulic pressure with which a High clutch starts to transmit a torque, or a second mode switching shift line, which is a shift line in a Low side with respect to the first mode switching shift line and prioritizes a fuel efficiency of an engine is selected, and the sub-transmission mechanism is switched from the first-speed to the second-speed on the basis of the selected mode switching shift line.