Abstract: The invention relates to a power control device for drive motors in motor vehicles, in particular an accelerator pedal, with an operating lever which may be operated by an operating force against a return force from a rest position on pivoting about a pivot axis. A damping device for damping the pivot motion of the operating lever is also provided. The damping device is a friction device which comprises a friction element, by means of which a component of the operating lever is acted upon such that in addition to the return force a friction force is also overcome during a pivot movement of the operating lever in a direction away from the rest position.

Abstract: The invention relates to a valve comprised of a housing with a valve seat for a flap that is rotatably mounted on a drive shaft. The exterior of the flap is provided with a first piston sealing ring and a second piston sealing ring that are placed inside an encircling groove of the flap. Each sealing ring is provided in the form of a metal ring. The first ring has a first gap and the second ring has a second gap that are not aligned with one another. The invention also relates to the use of said valve.

Abstract: The present invention relates to a throttle valve connection piece for an internal combustion engine. The piece includes a housing and a throughflow opening in which the valve is pivotably mounted around a pivot axis. The pivot axis extends in a perpendicular manner with respect to a longitudinal axis of the opening. The valve is used to close the throughflow opening. When in a closed position, the valve is inclined at a defined setting angle in relation to the longitudinal axis. The radial peripheral edge of the valve rests against the inner wall of the throughflow opening and the throughflow opening has a cylindrical shape at least in the region where the valve comes to rest. The cylindrical region of rest in relation to the longitudinal axis of the throughflow opening forms a circular cylinder which is cut on both sides at a certain angle, the levels of the cut are inclined at a similar angle in relation to the longitudinal axis.

Abstract: A throttle-valve assembly (10) having a housing (12), which has a continuous throttle opening (16) through which a gaseous medium (62) can flow in a main flow direction (60), in which a throttle valve (20) fastened pivotably on a throttle-valve shaft (18) is arranged in the throttle opening (16), and the throttle-valve shaft (18) can be pivoted by an actuator (26) arranged in the housing (12), in which, starting from the axis of rotation (19) of the throttle-valve shaft (18) downstream along the main flow direction (60) of the gaseous medium (62), the throttle opening (16) has an approximately straight cylinder section (64) with a height H1 and a radius RZ and in which a spherical-cap section (68) adjoins the approximately straight cylinder section (64).

Abstract: The intention of a throttle-valve assembly (10) having a housing (12), which has a continuous throttle opening (16) through which a gaseous medium (62) can flow in a main flow direction (60), in which a throttle valve (20) fastened pivotably on a throttle-valve shaft (18) is arranged in the throttle opening (16), and the throttle-valve shaft (18) can be pivoted by an actuator (26) arranged in the housing (12), in which, starting from the axis of rotation (19) of the throttle-valve shaft (18) downstream along the main flow direction (60) of the gaseous medium (62), the throttle opening (16) has an approximately straight cylinder section (64) with a height H1 and a radius RZ and in which a spherical-cap section (68) adjoins the approximately straight cylinder section (64), is to reliably ensure a finely graduated control of the gaseous medium (62) passing through the throttle opening (16) during operation of the throttle-valve assembly (10).

Abstract: A throttle-valve assembly (10) having a housing (12) which has a throttle opening through which a gaseous medium (70) can flow in a main flow direction (72) and which has an approximately cylindrical cross section (16), in which a throttle valve (20, 80) which is fastened pivotably on a throttle-valve shaft (18) is arranged in the throttle opening (16), and in which the throttle-valve shaft (18) can be adjusted by an actuator (30) arranged in the housing (12), is to have a throttle valve (20, 80) which has a particularly high degree of strength and a particularly low tendency toward wear.

Abstract: A pedal (2), in particular for a motor vehicle, has a pedal arm (6) which can be deflected at its first end region (8) by a force (4), in particular a foot force, is mounted at its second end region (10) in a manner such that it can pivot about a pivot spindle (18) mounted in a housing (16), and is acted upon in a manner such that it can be pivoted back into an initial position by a restoring spring element (20) which surrounds the pivot spindle (18). In this arrangement, the restoring spring element (20) is supported on a first lever arm (36) of a pivotably mounted lever (38). The second lever arm (44) of the lever (38) bears via a friction body (50) against a friction surface (56). The friction surface (56) in turn can be pivoted about the pivot spindle (18) of the pedal arm (6) and is arranged on the second end region (10) of the pedal arm (6).

Abstract: A pedal having a pivotably mounted pedal arm, which is prestressed into an initial position by means of a restoring-spring element designed as a leg spring, has a friction body which is prestressed against a friction surface by the restoring-spring element. The friction body is designed as an eccentric cam plate and thus, in addition to a hysteresis, also permits a non-linear profile of the pedal-actuating force.

Abstract: A pedal (14) having a pivotably mounted pedal arm (3), which is prestressed into an initial position by means of a restoring-spring element (12) designed as a leg spring (11), has a friction body (15) which is prestressed against a friction surface (18, 19) by means of the restoring-spring element (12). According to the invention, the friction body (15) is designed as an eccentric cam plate and thus, in addition to a hysteresis, also permits a non-linear profile of the pedal-actuating force (Fp).

Abstract: A pedal having a pivotably mounted pedal mounted pedal arm, which is prestressed into an initial position by means of a restoring-spring element designed as a leg spring, has a friction body which is prestressed against a friction surface by means of the restoring-spring element. The friction body is designed as an eccentric cam plate and thus, in addition to a hysteresis, also permits a non-linear profile of the pedal-actuating force.

Abstract: A pedal having a pedal arm (3) which is mounted pivotably and is prestressed into an initial position by a restoring spring (5), which is designed as a leg spring, has a frictional damper (7) having a slotted sleeve (8) whose end regions overlap and are prestressed against each other. As the pedal arm is being pressed down, the diameter of the sleeve (8) is reduced by the restoring spring (5), so that the end regions slide over each other and damp the movement of the pedal arm (3).

Abstract: A pedal (2), in particular for a motor vehicle, has a pedal arm (6) which can be deflected at its first end region (8) by a force (4), in particular a foot force, is mounted at its second end region (10) in a manner such that it can pivot about a pivot spindle (18) mounted in a housing (16), and is acted upon in a manner such that it can be pivoted back into an initial position by a restoring spring element (20) which surrounds the pivot spindle (18). In this arrangement, the restoring spring element (20) is supported on a first lever arm (36) of a pivotably mounted lever (38). The second lever arm (44) of the lever (38) bears via a friction body (50) against a friction surface (56). The friction surface (56) in turn can be pivoted about the pivot spindle (18) of the pedal arm (6) and is arranged on the second end region (10) of the pedal arm (6).

Abstract: A pedal having a pivotably mounted pedal arm, which is prestressed into an initial position by means of a restoring-spring element designed as a leg spring, has a friction body which is prestressed against a friction surface by means of the restoring-spring element. The friction body is designed as an eccentric cam plate and thus, in addition to a hystersis, also permits a non-linear profile of the pedal-actuating force.

Abstract: A gas pedal for a motor vehicle with an automatic transmission has a kick-down stop having a movable or elastic supporting part (5) which is fastened on or in a pedal arm (2) when the pedal arm (2) has been pressed down virtually to the full extent, the supporting part (5) strikes against a stop (9). A particularly high resistance force counters any further pressing-down movement of the pedal arm (2) by displacement counter to spring force or elastic deformation of the supporting part (5).

Abstract: A control arrangement, in particular a power-control arrangement for engines of vehicles, having an actuating lever (1), in particular a pedal, and a damping device (5-8; 10) which counteracts a movement of the actuating lever (1), comprising a freewheel (9; 16, 17; 18) which at least reduces in one direction of movement the damping force which acts on the actuating lever.