Class / Patent application number | Description | Number of patent applications / Date published |
192219000 |
Transmission control affects brake
| 103 |
192220000 |
Brake control affects transmission change
| 16 |
192221000 |
Fluid operated
| 6 |
192222000 |
Electromagnetic | 2 |
20090152071 | DECELERATION DEVICE FOR VEHICLE, ELECTRONIC PARKING BRAKE AND ELECTRONIC MOTOR BRAKE USING REDUCTION DEVICE - The present invention provides a deceleration device for a vehicle comprising a planetary gear set having three parts of a sun gear, a carrier, and a ring gear; a driving motor connected and supplying a rotational force to one of the three parts of the planetary gear set; a speed control motor connected and supplying a changed rotational force to one of the other two parts than the part connected with the driving motor in the three parts of the planetary gear set; an output shaft connected to the other one part than the two parts connected with the driving motor and the speed control motor respectively in the three parts of the planetary gear set; and a motor controller controlling the driving motor and the speed control motor, | 06-18-2009 |
20120090951 | LOCKING UNIT - The invention refers to a locking unit, in particular a transmission locking unit. It consists of a coil encircling at least partly an armature space. The coil has a wire that can be flown through by electric current. An armature rod projecting out of the armature space and carrying an armature is provided, as well as an operating element locking unit interacting with the armature rod. This holds or releases, depending on the position of the armature rod, an operating element, wherein the armature rod or the armature is held in a first position by a permanent magnet, and a current flow through the wire of the coil compensates the holding force of the permanent magnet, and the armature rod gets in the second position. | 04-19-2012 |
Entries |
Document | Title | Date |
20100038203 | WRAP SPRING BRAKE ON OUTPUT VEHICLE TRANSMISSION SHAFT - A wrap spring moves from a relaxed state to an energised state for braking rotation of the output shaft in a vehicle transmission. The wrap spring may constrict for engagement on the shaft or expand for engagement with an adjacent ground member. Two wrap springs, concentric or axially spaced, provide bi-directional braking. A split ring energises both wrap springs, e.g. using an epicyclic differential arrangement to move opposing ring portions in opposite directions The wrap spring may be mounted in a relaxed state for rotation with the shaft, with a mechanism for inducing drag torque to energise the spring for a braking operation. Means is provided preventing an actuator from energising the wrap spring, e.g. if the shaft is rotating above a predetermined speed. | 02-18-2010 |
20100038204 | TRANSMISSION BRAKING AND FOUR-WHEEL LOCKING FOR HYDRAULIC HYBRID TRANSMISSION EQUIPPED VEHICLES - A transmission braking system includes a vehicle drive train and at least one hydraulic motor. The hydraulic motor includes a front shaft and a rear shaft. The rear shaft has an anti-rotation element. An engagement mechanism is slidably affixed to the vehicle drive train, and selectively couples with the anti-rotation element to militate against a rotation of the front and rear shafts. A four-wheel locking system is also provided. The four wheel locking system includes a shaft-coupling engagement mechanism slidably affixed to one of the hydraulic motors. The shaft-coupling engagement mechanism selectively couples with the anti-rotation elements of the motors for allowing a summing of the output torque. The transmission braking system and the four-wheel locking system may be provided in a combined system. | 02-18-2010 |
20100072021 | POWER TRANSMISSION ARRANGEMENT - A power transmission arrangement includes a differential gear adapted to transfer power from an input shaft to a first output shaft, and a first brake adapted to effect the first output shaft and a second brake adapted to effect the input shaft. | 03-25-2010 |
20110005890 | Parking Lock System for an Automatic Transmission - A parking lock for an automatic transmission of a motor vehicle is provided, wherein the automatic transmission has an actuator which can disengage a locking element in the automatic transmission, the locking element is held in a locked position by spring force, and a locking assembly ( | 01-13-2011 |
20130299303 | DEVICE FOR BRAKING AND/OR BLOCKING A SHAFT OF A VEHICLE TRANSMISSION AND METHOD FOR MANUFACTURING SUCH A DEVICE - A vehicle transmission includes a housing part, a shaft extending from the housing part, and a spring element having a plurality of spring windings wound around the shaft, a first end of the spring element being fixed to the housing part. An actuating means is attached to a second end of the spring element and is configured to twist the second end in a circumferential direction of the spring element to thereby cause the spring element to tighten and frictionally contact an outer circumference of the shaft. The spring element is comprised of a hollow cylindrical metal base body having a helical-shaped incision that defines the plurality of spring windings. The incision may be formed in the hollow cylindrical base body by a plasma beam process, by a laser cutting process, by a flame cutting process or by a water jet cutting process. | 11-14-2013 |