Ntn Corporation

Yamaha Hatsudoki Kabushiki Kaisha

Other

Hamamatsu-photonics K.k.

Yamaha Corporation

Suzuki Motor Corporation

Minoru Suzuki

Ken Yamamoto

Tomoaki Makino

Shiro Tamura

Takayoshi Ozaki

Shinya Taikou

Takeo Yoshida

Toshihiko Nojiri

Ryou Yukishima

Suenori Kimura

Tetsuya Yamamoto

Aiko Ishikawa

Teruhiko Yamaguchi

Yoshinori Itakura

Hiromichi Bando

Chinami Itou

Yukiko Takekawa

Yoshitaka Nakamura

Toru Takahashi

Yuichi Suzuki

Koichi Okada

Tsugito Nakazeki

Kiyotake Shibata

Tatsuyuki Masuda

Kosuke Saito

Yusuke Shibuya

Noritaka Matsuo

Teruaki Akamatsu

Masaki Ito

Shogo Okamoto

Takayuki Iio

Ryoichi Hirai

Yoshikazu Nakamura

Yohei Iwaki

Hayato Tanokura

An audio signal processing apparatus includes a preset setting task that receives setting of a preset that defines a parameter to be copied, a copy-source selecting task that receives a selection of a copy-source channel, a preset selecting task that receives a selection of the preset, a copy-destination selecting task that receives a selection of a copy-destination channel, and a copying task that copies the parameter of the selected preset to be copied from the copy-source channel to the copy-destination channel.

Audio signal processing apparatus, method for processing audio signal, and storage medium storing program

An in-wheel motor drive device includes an electric motor section, a speed reducer section, a wheel bearing section, and a casing. The speed reducer section includes a speed-reduction structure using a parallel shaft gear. The parallel shaft gear includes an input shaft, which is coupled to the electric motor section, an input gear, at least one intermediate shaft including input-side and output-side intermediate gears, an output shaft, which is coupled to the wheel bearing section, and a final output gear. The input, intermediate, and output shafts are supported by rolling bearings to be rotatable. At least two rolling bearings configured to support the intermediate and output shafts on an out-board side and two rolling bearings configured to support the intermediate and output shafts on an in-board side are arranged at positions at which respective bearing widths are prevented from being superimposed with each other in an axial direction.

In-wheel motor drive device

An in-wheel motor drive device includes a wheel hub bearing unit and a speed reduction unit that decelerates rotation of a motor unit and transmits decelerated rotation to a wheel. A suspension bracket has an upper connecting seat portion connectable with a suspension device, a lower connecting seat portion connectable with the suspension device, and an intermediate area connecting a vehicle rear part of the upper connecting seat portion and a vehicle rear part of the lower connecting seat portion. A notch is provided between a vehicle front part of the upper connecting seat portion and a vehicle front part of the lower connecting seat portion on a front side of the vehicle of the intermediate area. The suspension bracket is attached/fixed to a casing of the speed reduction unit and/or a fixed wheel such that an axis of the wheel hub bearing unit passes through the notch.

An in-wheel motor power line () includes, between its one end and the other end, an in-wheel motor drive device-side region (), an intermediate region (), and a vehicle body-side region () which extend continuously. The in-wheel motor drive device-side region () extends in the vertical direction, and the lower side of the in-wheel motor drive device-side region is connected to the intermediate region. The vehicle body-side region extends in the vertical direction, and the lower side of the vehicle body-side region is connected to the intermediate region. The intermediate region is curved with its both sides located at a higher position and its intermediate part located at a lower position.

Wiring structure for in-wheel motor power line, and in-wheel motor drive device

A large gear and a small gear are provided to an intermediate shaft of an in-wheel motor drive device, and a final output gear configured to mesh with the small gear of the intermediate shaft is provided to an output shaft. The output shaft is supported by bearings on in-board and out-board sides, respectively, and the large gear of the intermediate shaft is arranged between the bearing configured to support the output shaft on the in-board side and the final output gear of the output shaft. The bearing and the large gear are arranged so that, when viewed from the axial direction, a tooth top circle of the large gear of the intermediate shaft and a radially outer circle of the bearing configured to support the output shaft on the in-board side have an intersection point.

A suspension structure includes a pair of trailing arms (), a beam member () connecting the pair of trailing arms, a bracket () connected to a rear end region of the trailing arm, and an in-wheel motor drive device () coupled and fixed to the bracket. The in-wheel motor drive device () is located above the rear end region of the trailing arm (), and a lower side of the in-wheel motor drive device () is covered by the rear end region of the trailing arm () and the bracket ().

Suspension structure for in-wheel motor drive device

The present structure does not require a knuckle on the vehicle body side, improves rotational accuracy of an input shaft of a speed reduction unit, increases durability of bearings, and suppresses rotation noise of the bearings by improving the supporting structure of the input shaft of the speed reduction unit. In a drive device for an electric vehicle comprising: a speed reduction unit including an input shaft driven by an electric motor; a hub unit rotationally driven by an output member of the speed reduction unit; and a housing accommodating the electric motor and the speed reduction unit, wherein the input shaft of the speed reduction unit is supported by bearings provided at two locations in the axial direction, the drive device is configured such that the bearings provided at the two locations are both supported by the output member, and the housing is provided with a suspension joining portion.

Drive device for electric vehicle

An object of the present invention is to prevent lubricant oil of a speed reduction unit from moving to an electric motor side and besides to prevent an eccentric load from acting on bearings supporting an input shaft. In a drive device for an electric vehicle including: a speed reduction unit including an input shaft driven by output of an electric motor; a hub unit rotationally driven by an output member of the speed reduction unit; and a housing accommodating the electric motor and the speed reduction unit, the configuration is made such that a partition for partitioning an accommodation section into respective accommodation spaces of the electric motor and the speed reduction unit is provided in the housing, and an oil seal member is placed between a peripheral edge portion of a center hole of the partition and a rotor support member the electric motor.

A suspension structure includes a pair of trailing arms () each having at its front end a pivot () that is attached to a vehicle body, a beam member () connecting the pair of trailing arms, and a pair of in-wheel motor drive devices () coupled and fixed to rear end regions of the trailing arms. The position of the pivot () in a lateral direction of a vehicle is included in a range A, B, and C from an inner end to an outer end of the in-wheel motor drive device () in the lateral direction of the vehicle.

A plurality of circumferential finsare formed on an outer peripheral surface of a motor casing, and a plurality of finsare formed on an outer surface of a motor rear cover. Lubricant circulates in a motor-casing oil passageprovided in the motor casing, a motor-rear-cover oil passageprovided in the motor rear cover, and a speed reduction portion B. This lubricant is cooled when flowing in the motor-casing oil passageand the motor-rear-cover oil passage. Thus, an in-wheel motor drive deviceis efficiently cooled.

In-wheel motor drive device having lubrication systems with cooling fins

A wheel driving device includes a speed reducer for transmitting rotation of an electric motor to a hub ring supporting a vehicle wheel after reducing its speed. The speed reducer is a cycloid speed reducer including an external gear, and an internal gear meshing with the external gear and rotationally fixed to the speed reducer casing through a rotational fixing arrangement which is also capable of elastically supporting the internal gear. The rotational fixing arrangement absorbs, by elastic deformation, vibration of the internal gear due to torque transmitted from the external gear to the internal gear, thereby preventing the vibration of the internal gear from being transmitted to the speed reducer casing.

Wheel driving device

A cooling structure for an inverter () controls a motor () to drive an automobile. This inverter device () includes a power circuit section () having an inverter () to convert a DC power of a battery () to an AC power for the motor (), and a casing () enclosing the power circuit section (). A fin () is provided in an outer surface of the casing (), a coolant path () for the flow of a cooling medium is provided within the casing () or in the outer surface thereof, and a pump () circulating the cooling medium in the coolant path () is disposed on or in the casing (). With this structure, the flow resistance for cooling the inverter () is reduced to allow the pump () to be downsized and a proper cooling can be accomplished to the amount of heat by the inverter ().

Cooling structure for inverter device

A drive device for an electric vehicle includes: a speed reduction unit including an input shaft driven by output of an electric motor; a hub unit rotationally driven by an output member of the speed reduction unit; and a housing accommodating the electric motor and the speed reduction unit. The drive device is provided with a power supply terminal box made up of: an accommodation recessed portion provided in a rear end surface of the housing; a power supply terminal provided inside the accommodation recessed portion; a communication hole in communication with the accommodation recessed portion and an interior of the housing; and a cover member for the accommodation recessed portion.

An in-wheel motor driving device includes a wheel braking device. A back plate of a drum brake or a mounting member for calipers of a disc brake constituting the wheel braking device is formed integrally with an outboard-side end member which is fastened to a outboard-side end surface of a housing of a speed reducer section.

A drive device for an electric vehicle in which, by improving a supporting structure of an input shaft of a speed reduction unit, the bearing stiffness of a hub bearing is improved, while the rotational accuracy and the durability of an input shaft of a speed reduction unit are improved and noise is suppressed. The drive device includes: a speed reduction unit including an input shaft driven by an electric motor; a hub unit rotationally driven by the speed reduction unit; and a housing. The input shaft of the speed reduction unit is supported by bearings provided at two locations in the axial direction. The bearings are both supported by the output member, and the PCD of the inboard-side hub bearing of the hub bearings disposed at the two locations in the axial direction of the hub unit is larger than the PCD of the outboard-side hub bearing.

Growing community of inventors

Iwata, Japan

Minoru Suzuki