POWER TRANSMISSION DEVICE AND METHOD FOR CONTROLLING SAME

    公开(公告)号:US20200079345A1

    公开(公告)日:2020-03-12

    申请号:US16605967

    申请日:2018-05-21

    Inventor: Masahiro NOZAKI

    Abstract: A power transmission device mounted on a vehicle in which operation of an engine is stopped when vehicle speed has been reduced to a predetermined vehicle speed. The device includes an oil pump driven by the engine; a hydraulic control device regulating pressure from the oil pump; a continuously variable transmission mechanism in which groove widths of a primary pulley and a secondary pulley are set by hydraulic pressure from the hydraulic control device; a hydraulic engagement element engaged by hydraulic pressure from the hydraulic control device to couple the continuously variable transmission mechanism to the engine; a clamping pressure sensor that detects clamping pressure of a belt of the continuously variable transmission mechanism; and a control device disengaging the hydraulic engagement element when the detected clamping pressure of the belt reaches less than or equal to a threshold value after operation of the engine is stopped.

    Damper device
    62.
    发明授权

    公开(公告)号:US10570988B2

    公开(公告)日:2020-02-25

    申请号:US16210571

    申请日:2018-12-05

    Abstract: According to one embodiment, a damper device includes a rotator, a first oscillator, a second oscillator, and two rollers, for example. The rotator is provided with a first opening. The second oscillator includes two guide surfaces recessed in a direction closer to a first center of rotation and a transmitting part capable of moving along the first opening. The two rollers each include a ring supported by the first oscillator and a shaft extending along a second center of rotation inside the ring and rotatably supported by the ring. The shaft comes into contact with a corresponding one of the two guide surfaces of the second oscillator pushed outward in the radial direction by centrifugal force, rolls along the corresponding one of the two guide surfaces by oscillation of the first oscillator, and is pushed by the corresponding one of the two guide surfaces in the circumferential direction.

    VEHICLE DRIVE CONTROL DEVICE
    63.
    发明申请

    公开(公告)号:US20200036315A1

    公开(公告)日:2020-01-30

    申请号:US16483650

    申请日:2018-01-23

    Abstract: A vehicle drive control device that controls a vehicle drive device in which a first engagement device, a rotating electrical machine, and a second engagement device are provided in this order from an input side in a mechanical power transmission path connecting an input to an output, the input being drive-coupled to an internal combustion engine serving as a vehicle drive power source, and the output being drive-coupled to wheels, wherein each of the first engagement device and the second engagement device can be changed between an engaged state in which drive power is transmitted and a disengaged state in which drive power is not transmitted, the vehicle control device including an electronic control unit

    VIBRATION DAMPING DEVICE
    64.
    发明申请

    公开(公告)号:US20200032875A1

    公开(公告)日:2020-01-30

    申请号:US16495888

    申请日:2018-04-27

    Abstract: A vibration damping device includes a supporting member rotatable about a rotation center of a rotating element, a restoring-force generating member coupled to the supporting member, and an inertial mass body coupled to the supporting member via the restoring-force generating member. The restoring-force generating member includes two guidable portions disposed with a clearance therebetween in a circumferential direction of the rotating element, and a torque transmission portion between the two guidable portions to transmit torque to and from the supporting member. The inertial mass body includes multiple guide portions for guiding corresponding guidable portions. When the supporting member rotates, the guidable portions transmit a component force of centrifugal force acting on the restoring-force generating member to the inertial mass body via the guide portions so the restoring-force generating member swings relative to the rotation center along a radial direction so that the inertial mass body swings about the rotation center.

    Device and method for controlling hybrid vehicle

    公开(公告)号:US10539085B2

    公开(公告)日:2020-01-21

    申请号:US16059645

    申请日:2018-08-09

    Abstract: A pre-stoppage ignition control unit defines, as a stoppage transition air amount, an intake air amount of the engine with which the engine torque becomes the stoppage transition torque in a state in which an ignition timing of the engine is set to a predetermined self-sustaining operation ignition timing, defines, as an intermediate timing, a predetermined timing earlier than timing at which the intake air amount converges to the stoppage transition air amount during an execution period of the pre-stoppage self-sustaining operation control, sets the ignition timing of the engine in a period from the start of the pre-stoppage self-sustaining operation control to the intermediate timing to timing earlier than the self-sustaining operation ignition timing, and sets the ignition timing of the engine in the period after the intermediate timing to the self-sustaining operation ignition timing.

    NAVIGATION SYSTEM AND NAVIGATION PROGRAM
    66.
    发明申请

    公开(公告)号:US20200011698A1

    公开(公告)日:2020-01-09

    申请号:US16483335

    申请日:2018-03-22

    Abstract: Provided is a navigation system having a first and a second input screen display unit. The first input screen displays a first input device screen for receiving input of a first option t for selection t to which any position on the display unit is input. The second input screen displays on the first input screen, a second input device screen when input to the second input device is received of a second option and the second option being arranged on the second input device screen in a direction corresponding to a specific direction, the second option being selected by the second input device and is a function different from a function selected in the first option. A button on the second input device issues a command to switch the selected second option positioned in the specific direction and a button that issues a command to determine an option.

    VEHICLE DRIVE APPARATUS
    67.
    发明申请

    公开(公告)号:US20190351752A1

    公开(公告)日:2019-11-21

    申请号:US16473657

    申请日:2018-03-27

    Abstract: A vehicle drive apparatus that includes an engagement device, a rotating electrical machine, and a frictional engagement device on a power transfer path connecting an input drivably coupled to an internal combustion engine and an output drivably coupled to a wheel, wherein: a cooling oil passage provided in an area where the engagement device is arranged and configured such that oil for cooling the rotating electrical machine passes through the cooling oil passage and an inflow suppression provided between the engagement device and the frictional engagement device and configured to suppress occurrence of a situation in which oil passing through the frictional engagement device flows into the cooling oil passage are provided inside the tube.

    Switching element driving circuit
    68.
    发明授权

    公开(公告)号:US10483967B2

    公开(公告)日:2019-11-19

    申请号:US16310167

    申请日:2017-07-26

    Abstract: A switching element driving circuit that includes a push-pull buffer circuit driving a switching element to be driven, the push-pull buffer circuit amplifying electrical power of a switching control signal and transmitting the amplified switching control signal to a control terminal of the switching element to be driven; a compensation resistor that connects the input to the output; and an input-side pull-down resistor that connects the input to a negative polarity side of the switching element to be driven.

    Method of manufacturing laminated core

    公开(公告)号:US10468950B2

    公开(公告)日:2019-11-05

    申请号:US15334162

    申请日:2016-10-25

    Abstract: This disclosure relates to a method of manufacturing a laminated core including a plurality of poles arranged side by side in a circumferential direction, each pole having three or more magnet housing holes and magnets housed in the magnet housing holes. The manufacturing method includes: a step of preparing a lamination having the magnet housing holes; a step of injecting sealing resin into a pair of magnet housing holes arranged at symmetric positions with respect to a line extending in a radial direction of the lamination, with the magnets being disposed in the pair of respective magnet housing holes; and a step of injecting sealing resin into another magnet housing hole, with the magnet being disposed in the magnet housing hole.

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