摘要:
A locking device (10) includes an adjustable bracket (7) provided with a recess (16), a stationary contour (9) with a contact surface (12), a pin (8), which is arranged movably in the recess (16) and on which an axial spring force generated by a compression spring (21) acts. A pin head (14) projects from the recess (16) of the bracket (7) and has a contact pair with the contact surface (12). At least one centering device (18) is provided between the pin (8) and the bracket (7). The locking device has a centering device (18), which has an elastically deformable ring (19). The ring (19) is arranged between the pin (8) and the bracket (7) within the recess (16) and is displaceably arranged within the recess (16). The ring (19) has a surface (22) with a cross section tapering against the direction of the force of the compression spring (21). The surface is in contact with a complementary surface (23) at the pin (8).
摘要:
A shifting device (1) for the mechanical coupling-free transmission of shift commands to an automatic transmission of a motor vehicle (shift-by-wire shifting), with at least one housing and/or one frame and one selector lever for the manual selection of shift commands for the vehicle transmission in at least one shift gate. The selector lever can be moved manually into at least four positions (P, R, N, D), pivotable about at least one shift axis. A transmission device(s) transmits the shift commands without mechanical coupling with the vehicle transmission (shift by wire). A mechanical coupling (16) is provided between the selector lever (2) and the transmission of the vehicle. This mechanical coupling (16) activates the parking brake exclusively and automatically when the selector lever (2) is engaged in the P position and is automatically uncoupled from the selector lever when the selector lever (2) is pivoted out beyond the adjacent position.
摘要:
A shifting device for transmitting shift commands to an automatic transmission of a motor vehicle includes a housing (1) and/or a frame and a gearshift lever (2), which is designed such that it is pivotable around a selector axis and a shift axis. The selector axis and the shift axis are preferably arranged at right angles in relation to one another, and the gearshift lever (2) can be shifted at least into a first shift gate and a second shift gate. The first shift gate preferably shifts shifting programs (P, N, R and D) of an automatic transmission and the second shift gate preferably implements manual tapping commands. A shifting carriage (3) is provided, which is mounted linearly movably in a plane and is designed such that the movement of the gearshift lever (2) in the first shift gate brings about a linear displacement of the shifting carriage due to a force coupling, and uncoupling of the movement of the gearshift lever (2) from the shifting carriage (3) is brought about by a movement of the gearshift lever (2) in the second shift gate.
摘要:
A control unit for the gear or shift program selection of an automatic transmission of a motor vehicle is presented, which has a emergency release mechanism. With this a parking brake of the motor vehicle transmission can be released by an operating device that can be actuated by the driver. A housing (3) is provided and a selector lever (1), which can be brought into at least two end positions, in which control unit the operating device of the emergency release mechanism is an integral part of the control unit, and in which the operating device has a detachable stop element (7). The stop element (7) is secured in a mount (9) of the control unit by means of a coded release mechanism (15) and acts as a movement limitation for the release movement of the parking brake by the operating device of the emergency release mechanism in the non-actuated state. The emergency release mechanism can also be actuated due to this novel design even with the control unit only, and, moreover, increased requirements on theft protection can be met.
摘要:
A process is provided for the production of a human cartilage implant from chondrocytes cultured in vitro, which come as close as possible to the original with respect to their biochemical composition and biomechanical properties. Up to 20% vol. of human serum is used as medium addition in the process. The chondrocytes can be kept in monolayer culture until the 12th passage in order firstly to be re-differentiated, incubated under a reduced oxygen partial pressure, and subsequently stimulated to form a three-dimensional cartilage tissue due to aggregation under an oxygen partial pressure of 21%. In an embodiment, chondrocytes in alginate beads are cultured in a nutrient solution, which may contain human serum and one or more chondrogenic growth factors, under an oxygen partial pressure of less than 20 volume %, isolated from the alginate beads by a treatment with a chelating agent, aggregated by centrifugation and cultured under an oxygen partial pressure of: −21 volume %.
摘要:
A locking system, in particular a locking system for aircraft landing gears. A space-saving, simple construction and little maintenance requirement of the locking system is achieved by at least one electromechanical drive unit, whose torque is transmitted to a drive shaft with a cam disk via axle-crossing transmitting. With the torque, the cam disk can move the locking system from the locked into the unlocked condition.
摘要:
The disclosure is directed to a composition includes a first component and a second component. The first component includes a poly(methyl methacrylate) (PMMA), a contrast agent, and a radical donor. The second component includes methyl methacrylate (MMA), a radical scavenger, and a polymerization accelerator. The composition has an average setting time of about 13 minutes. The disclosure is further directed to a kit and a method of making the above-mentioned composition.
摘要:
An actuating device (1) for a technical system, especially for selecting gears of a shift-by-wire speed-change gear includes an actuating element (2) with at least two shift positions and a locking device (8). The locking device (8) has at least one actuator (7) driven with auxiliary energy and is used to reduce the shifting path of the actuating element (2) or to lock the actuating element (2). The actuator (7) has at least three different shifting states to make it possible to embody the necessary locking functions of the actuating lever with a reduced number of actuators and hence with a comparatively low design effort. Space, weight and costs can thus be saved.
摘要:
The invention relates to a light emitting device comprising a substrate layer and a light conversion layer located on said substrate layer, whereby the light conversion layer is a polycrystalline ceramic layer, characterized in that the light conversion layer is positioned on the substrate layer by sintering.
摘要:
A shifting device for the preferably powerless transmission of shift commands to a fully automatic or semi-automatic transmission of a motor vehicle and a frame and/or housing and a gearshift lever mounted pivotably along a shift gate. A first shift stop and a second shift stop are provided for the gearshift lever which each define a shift position for the said gearshift lever. At least one detection device is provided for detecting the shift position(s). An inoperative position is provided into which the gearshift lever pivots back by itself from the deflected shift position, driven by a restoring force. The shifting device has an actuating device, which can countermand a shift stop, so that the gearshift lever can be pivoted beyond the shift position(s) defined by this shift stop.