Patent application number | Description | Published |
20080215218 | Control Device For Automatic Transmission - ECU executes a program including the step (S | 09-04-2008 |
20080248925 | Control Device for Automatic Transmission - An ECU executes a program having a step (S | 10-09-2008 |
20080312037 | Automatic Gear Control Device - A control apparatus for an automatic transmission including a gear-type transmission mechanism connected to an output shaft of a motive power source, the gear-type transmission including plural frictional engagement elements. The control apparatus senses a power-on downshift in which the frictional engagement elements are engaged during a downshift in a driving state of the motive power source, controls the motive power source so that in the power-on downshift an output of the motive power source is reduced, counts a time during which an input rotational speed of the transmission mechanism approximates an after-shift synchronous rotational speed, and controls the motive power source so that, if the time exceeds a predetermined time while the output of the motive power source is reduced, recovery from the reduction of the output of the motive power source is attained. | 12-18-2008 |
20090055063 | AUTOMATIC GEAR CONTROL DEVICE - An ECU executes a program including: a step (S | 02-26-2009 |
20100116615 | POWER TRANSMITTING APPARATUS - A transmission includes a transmission case, an oil pan that is defined in a lower portion within the transmission case and stores a lubricating medium capable at least of lubricating components of the transmission, movable engagement members capable of engaging with two elements that respectively correspond thereto, and electromagnetic actuators that respectively move a corresponding one of the movable engagement members to allow a connection between the two elements and a release of the connection. | 05-13-2010 |
20100274427 | CONTROL APPARATUS FOR HYBRID DRIVING APPARATUS - A speed-change mode is changed from a stepless speed-change mode to a fixed speed-change mode while limiting or controlling the torque variation of an output member. | 10-28-2010 |
20110054727 | VEHICLE CONTROL APPARATUS AND VEHICLE CONTROL METHOD - A control apparatus is applied to a vehicle that has shift modes including the continuously variable shift mode, in which a ratio of the rotational speed of a power source to the rotational speed of a drive shaft is continuously adjusted, and the stepped shift mode, in which the ratio is fixed. The control apparatus includes a control unit that controls the torque that is output from the power source to make the time that is required to bring the drive torque of the drive shaft from a predetermined value to a target value in the stepped shift mode equal to the time that is required to bring the drive torque of the drive shaft from the predetermined value to the target value in the continuously variable shift mode. In this way, the difference in drivability between the continuously variable shift mode and the stepped shift mode is minimized. | 03-03-2011 |
20120028757 | CONTROL APPARATUS FOR HYBRID VEHICLE - In a hybrid vehicle having a locking mechanism in which a play elimination process is required in the locking, a torque shock in the play elimination is reduced. In a hybrid vehicle | 02-02-2012 |
20120095635 | CONTROL APPARATUS FOR HYBRID VEHICLE - An object of the present invention is to detect the generation of a drag torque in a locking mechanism, in a hybrid vehicle in which a speed change mode can be changed between a fixed speed change mode and a stepless speed change mode by the action of the locking mechanism. In a hybrid vehicle, a brake mechanism is a wet multiplate brake apparatus and can selectively lock a motor generator. On the other hand, in a case where the drag torque is generated in the brake mechanism, if the motor generator is in a positive rotation state, an actual motor generator torque (first torque) is greater than a torque (less as a reaction torque, second torque) calculated from the operating condition of the hybrid vehicle by the amount of the drag torque. If the motor generator is in a negative rotation state, the first torque is less (greater as the reaction torque) than the second torque. The ECU uses this phenomenon to detect the drag torque. | 04-19-2012 |
20120103749 | CONTROL DEVICE OF VEHICLE - A control device of a vehicle includes: power dividing mechanism that has a plurality of rotating elements rotated by torque output and transmitted from an engine and a first motor/generator and switches a transmission mode according to the engaging states of the respective rotating elements; and a clutch that has a first engaging member and a second engaging member having a backlash between them in a rotating direction thereof, and that sets a transmission mode to a fixed transmission ratio mode by engaging the first engaging member connected to one of the rotating elements with the second engaging member, and sets the transmission mode to a continuously variable transmission ratio mode by releasing the engagement. In the control device of a vehicle, the magnitude of the reversed rotating torque is reduced when the direction of rotating torque acting between the first and seconds engaging members. | 05-03-2012 |
Patent application number | Description | Published |
20100023193 | CONTROL APPARATUS FOR HYBRID VEHICLE - In a hybrid vehicle provided with a power dividing mechanism comprising a clutch mechanism, an ECU performs speed-change control. In the control, the ECU performs an engage preparing process if it is necessary to engage clutch plates of the clutch mechanism with each other. In the process, the ECU switches a reference value which is referred in a feedback control for performing a rotation synchronization and a position synchronization for the clutch plates from a calculated value which is calculated from a pulse signal of first rotational sensor mounted the clutch plate to an estimated value which is estimated from a pulse signal of each of second and third rotational sensors for detecting rotational speed of each motor generators if clutch rotational speed as rotational speed corresponding to the clutch plate as an engagement element decreases to less than a criterion value. | 01-28-2010 |
20110238275 | CONTROL APPARATUS FOR AUTOMATIC TRANSMISSION - An ECU executes a program including causing a brake to enter an engaged state, when first gear is implemented and when a difference between an output shaft rotation speed estimated from an input shaft rotation speed and a detected output shaft rotation speed is greater than a threshold value. When the brake enters the engaged state, the relative rotation between the inner race and the outer race of a one-way clutch is limited. | 09-29-2011 |
20110263372 | LUBRICATION STRUCTURE OF DIFFERENTIAL GEAR UNIT - In a lubrication structure of a differential gear unit, a case has a guide rib that extends over a certain area with respect to a rotation path of a head of a bolt when a ring gear rotates, and that protrudes out from the case toward the head of the bolt. Also, a through-hole that extends in a vertical direction is formed in an upper portion of a hollow supporting portion, and the guide rib has an oil reservoir that curves toward an upper end opening of the through-hole. | 10-27-2011 |
20120143422 | HYBRID DRIVE APPARATUS AND CONTROLLER FOR HYBRID DRIVE APPARATUS - A hybrid drive apparatus includes: a drive power source that includes an internal combustion engine, a first electric motor, and a second electric motor; a power transmission mechanism that includes a carrier, a sun gear, and a ring gear, and that is configured to rotate the output shaft of the internal combustion engine by the first electric motor; and plural bearings that each includes an outer ring member and an inner ring member fitted to the outer ring member through a rolling element, and that are provided apart from each other in an axial direction of the output shaft with the carrier being positioned between the bearings. An inner periphery of the outer ring member is positioned more inward in a radial direction of the ring gear relative to a meshing portion between inner teeth of the ring gear and outer teeth of one of the pinion gears. | 06-07-2012 |
20130116086 | VEHICULAR POWER TRANSMITTING SYSTEM - Providing a vehicular power transmitting system which includes a torque limiter device and which is configured to reduce deterioration of durability of a rotary member disposed between an engine and the torque limiter device. | 05-09-2013 |
20130131941 | CONTROL DEVICE OF VEHICLE POWER TRANSMISSION DEVICE - It is provided a control device of a vehicle power transmission device including: a torque limiter device blocking transmission of a torque amount exceeding a predetermined torque with operation involving differential rotation between a first rotating member and a second rotating member; and an electric motor coupled to one of the first rotating member and the second rotating member in a power transmittable manner, wherein when a rotation speed difference is generated between the first rotating member and the second rotating member due to the operation of the torque limiter device, the electric motor is operated so as to suppress the rotation speed difference. | 05-23-2013 |
20130134010 | PARKING LOCK MECHANISM OF POWER TRANSMISSION APPARATUS - Disclosed is a parking lock mechanism of a power transmission apparatus which can stably supply lubrication oil to the sliding surface of a parking cam to decrease the sliding resistance of the parking cam. The parking lock mechanism | 05-30-2013 |
20140155214 | LUBRICATING OIL SUPPLY APPARATUS - A lubricating oil supply apparatus arranged in a transaxle case includes a differential ring gear, a catch tank that stores lubricating oil picked up by the differential ring gear, a first flow path arranged higher than a highest position of an outer diameter of the differential ring gear, a gear with a higher center position than the differential ring gear, and a second flow path that guides the lubricating oil picked up by the gear to the catch tank. The first flow path guides the lubricating oil picked up by the differential ring gear to the catch tank. The gear is in mesh with the differential ring gear, and picks up the lubricating oil picked up by the differential ring gear. The second flow path is arranged lower than a highest position of an outer diameter of the gear. | 06-05-2014 |
20140245860 | VEHICLE DRIVE APPARATUS - A vehicle drive device includes: a transaxle case including a tubular case opened in at least one end portion and a cover fixed to an opening portion of the tubular case to close an opening of the tubular case, the transaxle case housing a transmission; and a mount device attached between the cover of the transaxle case and a vehicle body to support the transaxle case, the mount device including a support plate member fixedly disposed on the cover, the support plate member being fastened by at least three first fastening members through the cover to the opening portion of the tubular case. | 09-04-2014 |
20140335998 | POWER TRANSMISSION DEVICE FOR VEHICLE - A vehicle power transmission device is disposed on a hybrid vehicle having an engine and an electric motor, the vehicle power transmission device includes a first member having one of outer circumferential teeth disposed around one axial center or inner circumferential teeth meshing with the outer circumferential teeth and a second member having the other teeth, the inner circumferential teeth and the outer circumferential teeth meshes with each other to limit relative rotation around the one axial center between the first member and the second member, the relative rotation between the first member and the second member is limited to transmit torque of the electric motor to drive wheels. | 11-13-2014 |
20140341757 | OIL PUMP FOR VEHICLE AND VEHICLE WITH THE SAME - A plate is interposed between a rear cover and a pump body. The pump chamber is formed between the plate and the pump body. | 11-20-2014 |
Patent application number | Description | Published |
20130283972 | VEHICLE DRIVE DEVICE - A vehicle drive device configured with reduced axial dimensions, while still having appropriate lubrication. The vehicle drive device is configured with an input shaft coupled to an engine, a rotary electric machine, and an output shaft coupled to wheels. A power transfer mechanism couples input shaft, the rotary electric machine, and the output shaft. A case houses at least the rotary electric machine and the power transfer mechanism. An oil reserving portion capable of reserving oil supplied by rotation of the power transfer mechanism is provided above the rotor shaft inside the case. A communication oil passage is oriented between the oil reserving portion and an inner circumferential space formed inside the rotor shaft. The rotor shaft is disposed to be inserted into the inside housing space, and has a supply communication hole that communicates between the inner circumferential space and the inside housing space. | 10-31-2013 |
20130305878 | VEHICLE DRIVE DEVICE - A vehicle drive device configured with an input member coupled to an internal combustion engine, a rotary electric machine, an output member coupled to wheels, and a power transfer mechanism that drivably couples the input member, the rotary electric machine, and the output member. An oil collecting portion is configured to collect oil supplied by rotation of the power transfer mechanism, The collected oil falling passage is configured to cause the oil collected by the oil collecting portion to flow downward to be supplied to a portion of a facing wall surface located above a cylindrical member. A communication oil passage communicates between the gap and the inside housing space is formed at a portion of abutment between the subject support bearing and the support projecting portion. | 11-21-2013 |