| Entries |
| Document | Title | Date |
|---|
| 20110005891 | PARKING DEVICE OF TRANSMISSION - According to an operation of a shift lever to parking range, a cam member at a parking rod comes in between a parking pole and a support member, and the parking pole swings so that a pawl portion of the parking rod can engage with a parking gear. A concave holding portion to hold the support member is formed at a transmission case. The support member comprises a first cylindrical outer face having a first radius R | 01-13-2011 |
| 20110056794 | BUILT-IN PARKING LOCKING DEVICE OF VEHICLE - A built-in parking locking device of vehicle comprises a lock base ( | 03-10-2011 |
| 20110056795 | TORQUE BASED PARK LOCK ASSEMBLY - A torque based park lock assembly for motor vehicles, especially passenger cars and trucks equipped with automatic transmissions, includes a lobed wheel secured to a transmission output shaft and a rotation restricting flexible lever which may be selectively moved into engagement with the lobed wheel by a cam. A bi-directional motor rotates the cam. A return spring translates the lever away from the lobed wheel when the cam is rotated into a disengaged (non-Park) position. | 03-10-2011 |
| 20110088991 | BRAKE UNIT - A vehicle brake unit is provided for use with a drive train having a drive train subassembly. The brake unit comprises a brake unit housing for enclosing a braking mechanism, the braking mechanism arranged to act on a power shaft configured for operatively connecting the output drive shaft of the drive train subassembly with a further drive shaft, in order to transfer power therebetween. The brake unit housing is arranged for mounting directly to a housing of the drive train subassembly. In one embodiment of the invention, the brake unit housing replaces the rear tail housing of a four-wheel drive transfer case. | 04-21-2011 |
| 20110162935 | COMBINED VEHICLE BRAKE WITH ELECTROMECHANICALLY ACTUABLE PARKING BRAKE - A combined vehicle brake which has a hydraulically actuable service brake and an electromechanically actuable parking brake device, a hydraulic service pressure space being delimited in a brake housing by a brake piston which can be acted upon by hydraulic pressure medium in order to execute service braking operations, so that the brake piston can be actuated along a piston longitudinal axis in order to achieve a braking action, and the parking brake device acting on the brake piston by a gear, in that the gear converts the rotational movement of an electromechanical actuator into a translational movement and causes an actuation of the brake piston in order to execute parking braking operations and holds the said brake piston in the actuated position, the gear having a threaded spindle and a threaded nut which are in contact with one another via a plurality of rolling bodies. | 07-07-2011 |
| 20110168518 | Vehicle Parking Brake and Method for Operating a Vehicle Parking Brake - A parking brake and method of operating same are provided for a vehicle. The parking brake is integrated in a transmission of the vehicle. A parking brake actuator is provided to open and close the parking brake, the actuator being bias tensioned via a spring element. A bistable control element is provided, which activates the parking brake actuator to open and close the parking brake. | 07-14-2011 |
| 20110203898 | VEHICLE POWER TRANSMISSION DEVICE - A vehicle power transmission device includes: a first power transmission member including a cylindrical shaft end portion rotatably supported via a first bearing on an inner circumferential side of a non-rotating support wall; and a second power transmission member supported on the inside of the cylindrical shaft end portion via a second bearing radially overlapping with the first bearing by the cylindrical shaft end portion to be rotatable concentrically and relatively to the first power transmission member, the second power transmission member including a circular disc gear portion protruded to an outer circumferential side at a predetermined distance from the second bearing in a shaft center direction of the second power transmission member, at a portion facing the first bearing, the gear portion having an annular inner circumferential guide protruding portion for guiding to the first bearing a lubricant oil that passes through the second bearing for lubrication, that enters into a gap between the second bearing and the gear portion, and that travels to the outer circumferential side due to the centrifugal force. | 08-25-2011 |
| 20110240437 | DEVICE FOR ACTUATING A PARKING LOCK | 10-06-2011 |
| 20110259704 | AUTOMATIC MANUAL TRANSMISSION PROVIDED WITH PARKING LOCK DEVICE - An automatic manual transmission having: at least one primary shaft; at least one secondary shaft; a plurality of gear pairs, each of which mechanically couples the primary shaft to the secondary shaft; a plurality of synchronizers, each of which is mounted coaxial to a shaft, is coupled to a gear of at least one gear pair, and is adapted to be actuated to engage the gear to the shaft; a plurality of forks, which actuate the synchronizers and are movable; a parking lock device which may be actuated to prevent the rotation of the secondary shaft; and a connecting device, which is mechanically connected on one side to a first fork and on the other side to the parking lock device to transmit the movement of the first fork to the parking lock device so as to control the activation and deactivation of the parking lock device itself by exploiting the movement of the first fork. | 10-27-2011 |
| 20120305360 | SHIFT CONTROL DEVICE FOR VEHICLE - It is provided a shift control device for a vehicle having a parking lock device driven by an actuator to selectively switch switching positions between a lock position and an unlock position, wherein when a run-enable operation is made by a driver and a non-running state is switched to a running state, shift position recognizing control is executed for recognizing an initial switching position appearing at the beginning when the running state is established, by driving the actuator in response to switching position information indicative of the switching position on a stage before the running state is established, wherein: the non-running state is configured to be switched to the running state prior to the execution of the run-enable operation; and updating of the switching position information, stored in the switching position information storage device, is permitted to be executed subjected to the switching position recognizing control being executed. | 12-06-2012 |
| 20130087427 | PARKING LOCK APPARATUS - Disclosed is a parking lock apparatus which can prevent an electric actuator from being accessed from the outside of the vehicle, and thereby can prevent the function of the parking lock apparatus from being lowered as well as can reduce the production cost in comparison with the conventional parking lock apparatus. The parking lock apparatus comprises an electric actuator | 04-11-2013 |
| 20130161148 | PLANETARY GEARBOX WITH INTEGRAL SERVICE BRAKE - A brake mechanism includes a fixed housing in which the brake mechanism substantially resides. A plate closes the fixed housing and includes a cylindrical portion extending partially within the fixed housing. A parking piston and a service piston are employed to act against a brake stack which includes a plurality of stators and rotors interleaved together. A wear adjuster is press-tit onto the cylindrical portion of the plate and engages the service piston daring actuation of the service piston and compensates for wear of friction material from the rotors or stators such that the distance between the service piston and the brake stack is substantially the same during the life of the brake mechanism. If neither the service piston nor the parking piston engage the brake stack prohibiting rotation of the input drive, the planetary gear set drives the rotating output drive with respect to the fixed housing. | 06-27-2013 |
| 20130199887 | DRIVETRAIN - A drivetrain of a motor vehicle having a parking lock for selectively locking the drivetrain, and having an electric motor and a power axle, which is permanently drive-coupled to the electric motor and which via a disconnect clutch can be selectively drive-coupled to at least one wheel of the motor vehicle. The parking lock and the disconnect clutch can be actuated by a common actuator. | 08-08-2013 |
| 20130228412 | LOCKING UNIT - The invention refers to a locking unit for locking the movement of a piston drivable by a drive. The locking unit comprises a solenoid and a catch assembly. The catch assembly has a spring section and a latch section, wherein the elastic spring section angles the catch assembly against an armature rod. In a locking position, the latch section blocks the movement of the piston. In an unlocking position, the movement of the piston is released. The latch section is equipped at least with a reinforcement acting in the direction of movement of the piston. | 09-05-2013 |
| 20130228413 | Parking Lock - A parking lock device of a gearbox is provided. The device includes a gearbox shaft, a gearbox housing, a locking ring which may be displaced axially along the gearbox shaft, a control ring which may be moved axially relative to the locking ring and the gearbox shaft. A movement of the control ring relative to the locking ring axially along the gearbox shaft causes an axial movement of the locking ring axially along the gearbox shaft, and the control ring displaces the locking ring in an activated state axially along the gearbox shaft to a predetermined axial position along the gearbox shaft. The gearbox shaft, the gearbox housing and the locking ring are designed and adapted to one another in such a way that in an activated state of the locking ring there is a positive engagement between the gearbox shaft, the gearbox housing and the locking ring. | 09-05-2013 |
| 20130306431 | ACTUATOR ARRANGEMENT FOR A MOTOR VEHICLE DRIVE TRAIN - Actuator arrangement for a drive train, which has at least one friction clutch for transmitting drive torque and has a transmission. The friction clutch can be actuated by means of a hydraulic clutch cylinder, which is connected directly to a pump port of a pump driven by an electric motor in order to actuate the friction clutch, such that the friction clutch can be actuated by varying the speed of the pump. The actuator arrangement has a parking lock actuator device for actuating a parking lock arrangement of the drive train. The parking lock actuator device has at least one hydraulic parking lock cylinder, which can be connected to the pump, such that the parking lock arrangement can be actuated by varying at least one of the direction of rotation or the speed of the pump. | 11-21-2013 |
| 20140110216 | Motor Vehicle Parking Lock Device Having at Least One Locking Element - A motor vehicle parking lock device has at least one locking element for locking a parking lock piston in a positive-fit manner and a release unit having at least one electromagnetic actuator for releasing the parking lock piston. The release unit has a hydraulic and/or pneumatic actuator acting parallel to the electromagnetic actuator and which releases the parking lock piston at least in the event of a failure of the electromagnetic actuator. | 04-24-2014 |
| 20140197005 | Device For Locking An Automatic Gearbox Of A Motor Vehicle In The Park Position - A carriage acted-on by a control system controlled by a part of the gearbox, so as to be moved sideways in relation to a locking rod able to interoperate with a toothed crown built into the said gearbox, with the said carriage being coupled to means operated by an actuator so as to be moved, if necessary, into a fixed position of the control system, characterized by the fact that the means consist of two superimposed compact levers and mounted so as to pivot on an axis against a torsion spring, with one of the levers being coupled to the carriage while the other lever is coupled to the control system. | 07-17-2014 |
| 20140216885 | PARK BRAKE ACTUATOR - A park-brake actuator includes a cam including first serrations and an open-ended slot, a piston including second serrations displaceable relative to the cam in response to variable pressure applied to the piston, a spring, and a rod including a pin urged by the spring toward the slot and contact with the first and second serrations, the pin moved by piston displacement from the slot, onto one of the first serrations to a flat-tow position. | 08-07-2014 |
| 20140231212 | TRANSMISSION - A transmission is provided with an engagement member rotationally moved between an engagement position where the engagement member is engaged with a parking gear to restrict the rotation of a drive shaft, and an engagement release position where the engagement member is disengaged from the parking gear to permit the rotation of the drive shaft; a support member provided in a case to be distanced from a rotational axis of the engagement member; and a pair of urging members urging the engagement member in a direction in which the engagement member rotationally moves from the engagement position toward the engagement release position, and supported on the support member respectively at symmetrical positions that are on both sides of the engagement member in a rotational axis direction of the engagement member. | 08-21-2014 |
| 20140284169 | PARKING DEVICE - A parking device includes a drive cam disposed around an MG shaft that transmits a drive force of a second motor generator by being coupled with a parking gear, a driven cam disposed around an MG shaft so as to be able to rotate integrally with the MG shaft and capable of moving in the axial direction of the MG shaft by a relative rotation generated between the driven cam and the drive cam when the parking gear is locked by a pilot clutch, and a dog type brake that engages the parking gear with the MG shaft and a transaxle case accommodating the parking device by the movement of the driven cam. With the configuration, a shock load at the time of operation can be suppressed and the parking device can be reduced in size. | 09-25-2014 |
| 20140284170 | SHIFT-BY-WIRE ACTUATION OF A TRANSMISSION PARK BRAKE - A transmission park-brake system includes a transmission park brake, a solenoid, first, second and third pressure sources, and a servo valve for disengaging the park-brake using the first and second pressure sources, holding the park-brake disengaged using a force produced by the solenoid and one of the first and second pressure sources, and engaging the park-brake using the third pressure source. | 09-25-2014 |
| 20140291109 | PARKING BRAKE SYSTEM FOR VEHICLE - The vehicle can include a power transmission system for transmitting power of an internal combustion engine to drive wheels through transmissions and a parking brake system for restraining rotation of the drive wheels by engaging with a part of the power transmission system. The parking brake system for the vehicle can also include a parking drive mechanism which operates a restraining member, by turning of an input shaft of a shift drive mechanism for changing the shift position in the transmission, so as to restrain rotation of transmission gear shafts, and thereby establish a parking brake state. In the parking brake system, a shift cable connected to the input shaft is connected to a parking operation lever. | 10-02-2014 |
| 20150008091 | WRAP SPRING PARK BRAKE SYSTEM, APPARATUS AND METHOD - A park brake system for an electric motor actuator is provided. The system may comprise a wrap spring that may rotatably engage the shaft. In this regard, the system may be configured to exert a radial force on a shaft of the electric motor actuator to lock the actuator. Moreover, in various embodiments, the system may be bi-stable. | 01-08-2015 |
| 20150008092 | LOCKING UNIT, IN PARTICULAR FOR A PARKING LOCK OF AN AUTOMATIC TRANSMISSION - The invention relates to a locking unit, in particular for a parking lock of an automatic transmission, for locking the motion of a piston that can be moved by a drive, in particular a piston to which pressure can be applied, wherein the locking unit has an electromagnet and at least one catch element and the catch element interacts with the armature or armature rod of the electromagnet or with a bolt or bolt ring retained by the armature or armature rod or arranged on the armature or armature rod and the piston has at least two catch receptacles at a distance from each other and the piston can be fixed in different positions of the piston by the stopping interaction of the catch element with the respective catch receptacle. The invention further relates to a transmission equipped with the locking unit. | 01-08-2015 |
| 20150041280 | DEVICE FOR OPERATING A PARKING LOCK OF A MOTOR VEHICLE AND CORRESPONDING METHOD - A device for operating a parking brake of a motor vehicle, wherein the parking lock includes an actuatable actuator element for disengaging the parking lock counter to a restoring pressure, and an actuatable holding device for holding the parking lock when the latter is disengaged. The device includes a selector control lever and a transmission control device communicating therewith, the selector control device actuating the holding device and the transmission control device actuating the actuator element. | 02-12-2015 |
| 20150316143 | METHOD FOR SHIFTING A SHIFT-BY-WIRE TRANSMISSION WITHOUT ENGINE POWER - A vehicle according to the present disclosure includes a shift-by-wire transmission, a pressure source configured to selectively provide hydraulic pressure in the absence of engine power, an internal combustion engine, and a controller. The shift-by-wire transmission includes a hydraulic actuator, and the electric pump is in fluid communication with the actuator. The controller is configured to, in response to a driver input and the engine being off, control the pressure source to provide hydraulic pressure to the hydraulic actuator. | 11-05-2015 |
| 20150321656 | CONTROL APPARATUS FOR A HYBRID VEHICLE DRIVE SYSTEM - Control apparatus for hybrid vehicle drive system including: first differential mechanism provided with a rotary element connected to engine and rotary element connected to a first electric motor; a second differential mechanism provided with a rotary element connected to second electric motor and a rotary element connected to output rotary member; first clutch configured to selectively connect rotary element of first differential mechanism connected to engine or first electric motor, to rotary element of second differential mechanism connected to output rotary member; manually operated shifting device; and parking lock mechanism provided with parking lock gear fixed directly or indirectly to output rotary member and rotary motion which is prevented when shifting device is placed in parking position, control apparatus including parking lock control portion configured to release parking lock gear for permitting rotary motion of parking lock gear while first clutch is placed in its engaged state. | 11-12-2015 |
| 20150323071 | Braking System - The present disclosure relates to a vehicle having a braking system and a method of engaging the braking system. The braking system engages a brake mechanism as a waiting brake. The vehicle has a dual function device which is configured such that when the dual function device is activated when the vehicle transmission system is in a drive mode, the transmission system is maintained in that drive mode, and when the dual function device is activated when the transmission system is in the neutral mode, the brake mechanism is engaged. | 11-12-2015 |
| 20150329116 | System And Method for Controlling the Operation of a Work Vehicle Having a Power Shift Transmission and a Proportional Parking Brake - In one aspect, a method for controlling the operation of a work vehicle including a power shift transmission is disclosed. The method may include receiving, with a controller, a speed command signal from an input device instructing the controller to reduce a vehicle speed of the work vehicle to zero, controlling at least one clutch of the power shift transmission in order to initially reduce the vehicle speed and proportionally applying a parking brake of the work vehicle to reduce the vehicle speed to zero. | 11-19-2015 |
| 20160061325 | PARKING BRAKE SYSTEM FOR A WORK VEHICLE - A parking brake system for a work vehicle may include an internal braking mechanism and an external brake actuator. The brake actuator may generally include a housing at least partially defining a rod-side chamber, a secondary chamber and a piston-side chamber extending between the rod-side and secondary chambers. The brake actuator may also include a primary piston movable between a first position at which the braking mechanism is actuated to an engaged state and a second position at which the braking mechanism is actuated to a disengaged state. In addition, the brake actuator may include a secondary piston at least partially housed within the secondary chamber that is configured to apply a force against the primary piston when fluid is supplied within the secondary chamber in order to move the primary piston from the first position to the second position. | 03-03-2016 |
| 20190145511 | Method for Operating a Parking Lock Device by Means of a Hydraulic System | 05-16-2019 |
| 20190145512 | Method for Operating a Parking Lock Device by Means of a Hydraulic System | 05-16-2019 |
