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Matches 301 - 350 out of 3,523

Document Document Title
JP6772774B2
To present the creeping of a rolling bearing supporting a rotor, and to improve a life of a motor, in a planetary roller type transmission motor combining a planetary roller type transmission device and the motor.A motor has: a rotor ass...  
JP2020159535A
To provide a traction speed reducer which enables a rotation prevention member for preventing relative rotation of internal rings to be formed with high accuracy and enables easy assembly of the entire traction speed reducer including a ...  
JP6762516B2
A first transmission mechanism 4 includes: an inner race 9; an outer race 10; a plurality of rolling bodies 11 provided between the inner race 9 and the outer race 10; and an intermediate shaft 13 that engages with the rolling bodies 11 ...  
JP6762515B2
A first transmission mechanism 4 of a compound transmission 1 includes: an inner race 9; an outer race 10; a plurality of rolling bodies 11 provided so as to roll between the inner race 9 and the outer race 10; and an intermediate shaft ...  
JP6756131B2
To switch the movement of a cap and the driving of a separate device and reduce time taken for moving the cap from a capping state to an uncapping position as much as possible by a movement gear moving according to a rotation direction o...  
JP2020133719A
To provide a traction transmission which can maintain a state where each component is in contact with a planetary roller even when a dimension error occurs in the planetary roller or the component in contact with the planetary roller.A t...  
JP2020133604A
To provide a centrifugal compressor that can preferably lubricate a speed-increasing mechanism and does not cause any degradation in property of a speed-increasing mechanism and a motor.In a centrifugal compressor, a speed-increasing gea...  
JP6740950B2
A centrifugal compressor includes a housing, a partition separating an empty space in a housing into a speed increaser chamber and an impeller chamber, an insertion hole provided in the partition to allow insertion of a high-speed shaft,...  
JP6727058B2
The invention provides a transmission and a driving unit capable of transmitting driving force in the transmission with great efficiency. The transmission (10) is provided with a sun wheel (1), multiple first planetary rotators (2a), mul...  
JP2020105985A
To reduce agitation resistance during rotation of a ring member.A partition wall 90 is disposed between a ring member 62 and a bottom 24 of a main body part 25 in a speed-increasing gear chamber S2. Further, a centrifugal compressor 10 c...  
JP2020101230A
To prevent a ring from being assembled in a state of tilting to an arm.An arm 33 has a pair of abutting portions 33b that abut on both portions located at least on both sides in a second direction X2 in an edge 34e of a ring 34. This pre...  
JP6716959B2
To provide a compactable speed reducer.A speed reducer 1 includes: a first roller 10 rotating with a first axial line A1 as a center; a plurality of second rollers 20 arranged around the first roller 10, pressurized by contacting with th...  
JP6713663B2
To improve mutual positioning accuracy by preventing permanent magnets which are attracted to each other, from being displaced from each other in a direction orthogonal to pole surfaces of the permanent magnets.A mechanical element compr...  
JP6713363B2
This transmission comprises: a sun roller (14A) which rotates about the center axis; a plurality of planetary rollers (26A, 26C) which are located in the periphery of the sun roller (14A); an annular internal ring (32A) which is located ...  
JP2020094668A
To provide a friction transmission-type reduction gear which can enhance a reduction ratio while being small in size.A sun roller 10 of a friction transmission-type reduction gear 100 rotates with a rotating shaft 9 as a center. A plural...  
JP6702310B2
A friction roller type reduction gear is provided with: a sun roller disposed coaxially with an input shaft; a ring roller having a stationary ring roller element and a movable ring roller element; a plurality of intermediate rollers in ...  
JP2020515796A
It is a compound planet friction drive containing the first solar wheel (2) and a planet wheel (3), It engages with the above-mentioned planet wheel (3), and this planet wheel (3) is provided with two external portions (3b) which has the...  
JP6702103B2
To provide a vehicular auxiliary drive device which avoids deterioration due to the friction heat of a roller and is improved in durability.A vehicular auxiliary drive device includes: an engine roller integrally rotating with a crank sh...  
JP6700526B2
To provide a low constant speed travel device for truck enabling the truck to perform a low speed/constant speed travel in an easy and stable manner in compliance with a work promoting speed without requiring any high-level operation tec...  
JP6701901B2
To provide a friction roller type speed reduction having a high design traction coefficient for developing high transmission efficiency by enabling the prevention of instantaneous gross slip during a fluctuation of torque without causing...  
JP2020070859A
To provide a structure that can increase torque of a spindle of a machine tool and then output the torque to a tool by being detachably attached to the spindle.An attachment 1 of a machine tool engages an input part 7 of an input shaft 3...  
JP2020067146A
To provide a belt transmission device and a grinder that can restrain an increase in size of the device.A belt transmission device 2 according to an embodiment comprises a first rotating body 10, a driving source 20 for rotating the firs...  
JP6687726B2
Disclosed herein is a rotation transmitting device which permits the transmission of rotation with a reduced play and which permits the constituents to be aligned easily. The rotation transmitting device has a transmitting member (30) wh...  
JP6686401B2
To provide a friction roller type speed reducer capable of properly cooling a traction surface, and obtaining a stable speed reduction characteristic.A friction roller type speed reducer 100 includes a sun roller 13, a ring roller 15, a ...  
JP6684165B2
To highly accurately control output from a reducer.An output control device 1 includes: a reducer encoder 11 for detecting the rotation of an output shaft of a reducer 2; an error acquisition unit 12 for acquiring an output error that is...  
JP2020056320A
To prevent a shortage of oil to be supplied to a speed-up gear while curbing an increase in pressure in a speed-up gear chamber.A centrifugal compressor 10 comprises a bypass passage 61 with one end thereof communicated with a speed-up g...  
JP2020056321A
To prevent a shortage of oil to be supplied to a speed-up gear while curbing an increase in pressure in a speed-up gear chamber.In a state where operation of a centrifugal compressor 10 is stopped, a valve body 63 is moved in a direction...  
JP2020048132A
To provide an electronic apparatus, including a cooling device with high heat removal performance that reduces noise even during movie shooting, capable of controlling an exhaust heat direction to obtain an optimal photographing state.Th...  
JP6669166B2
A rocking holder of a friction-roller-type reduction gear is provided with a pair of bearings supporting a rotating shaft of an intermediate roller and having a rocking shaft in a position eccentric from the center of the rotating shaft,...  
JP6665788B2
A friction roller speed increaser (100) is provided with a high-speed shaft (11), a ring roller (21), a low-speed shaft (13), at least one fixed roller (15), at least one movable roller, and a casing (23) covering the peripheries of the ...  
JP2020034159A
To provide systems and apparatuses associated with pure rolling cycloids with variable effective diameter rollers.An apparatus includes: a first ring 200 having an open annular space and a series of variable-width cutouts disposed on an ...  
JP2020029944A
To provide a planetary type power transmission device capable of suppressing deterioration in rotation accuracy and rotation transmission performance, which can be down-sized.A planetary type power transmission device 10 includes: a ring...  
JP2020024044A
To provide a speed change device.A speed change device comprises an inner race 38 having an outer surface, an outer race 36 having an inner surface, and a set of orbital rollers including inner rollers 42 in rolling contact with the inne...  
JP6642079B2  
JP6638255B2  
JP6632341B2  
JP6627473B2  
JP2019213254A
To provide a driving device downsized to make the device a highly efficient one.A driving device 100 includes a first motor 11, a second motor 12, a first output axis 13 and a second output axis 14. The second motor enables output of rot...  
JP2019209703A
To provide an art enabling downsizing of an in-wheel motor driving device and also efficient travel of the device in a wide speed range.An in-wheel motor driving device includes a first motor 10, a second motor 20 and a reduction gear 30...  
JP2019210944A
To provide a driving device that can achieve both quietness and transmission performance of large toque in a low speed region and can reduce the size and weight.A driving device includes an electric motor 12, a small pulley 13, a transmi...  
JP2019210943A
To provide a structure which is reducible in a size, reducible in a cost by suppressing the number of part items, and excellent in a silence characteristic.A transmission 3 for transmitting a rotation motion of an electric motor 2 has a ...  
JP6604162B2  
JP6604161B2  
JP6604160B2  
JP2019194498A
To provide a speed reducer or increase which can achieve very precise tolerances and be easily manufactured with few parts.A gearless speed reducer or increaser consists of an input shaft 10, an output shaft 11, and a motor connected to ...  
JP2019190544A
To provide a friction roller type speed reducer and a speed reducer unit using the same capable of obtaining high transmission efficiency, and further achieving miniaturization and weight saving.A friction roller type speed reducer 100 i...  
JP2019190545A
To provide a friction roller-type speed reducer and a speed reducer unit using the same capable of achieving high transmission efficiency and reduced in size and weight.A friction roller type speed reducer 100 includes a loading disc 51 ...  
JP6596995B2
A planetary roller power transmission device includes: a stationary ring; a sun shaft; planetary rollers provided between the stationary ring and the sun shaft so as to be pressed against them; a carrier that supports the planetary rolle...  
JP2019181556A
To provide a three-dimensional printer having high accuracy and high performance.A three-dimensional printer including a pedestal, in which a rotary housing is installed in the pedestal, slide grooves are symmetrically provided at both o...  
JP2019183840A
To improve a mechanical turbocharger.There is disclosed a planetary traction drive for a mechanical turbocharger that utilizes angular contact ball ramps to provide variable clamping depending on a torque quantity. The ball ramps are loc...  

Matches 301 - 350 out of 3,523