Abstract: A device to adjust a contour of a vehicle seat with contour adjustment, may include at least one air cushion connected to a pump via a supply line, a first valve for opening and closing the supply line, and a control and evaluation unit to determine an air volume being supplied to the at least one air cushion via an operating time of the pump and to correlate the air volume being supplied to the at least one air cushion with a contour of the vehicle seat. A related method for adjusting a contour of a vehicle seat with contour adjustment equipped with such a device, may include determining an air volume being supplied to the at least one air cushion via the operating time of the pump, and the air volume being supplied to the at least one air cushion is correlated with a contour of the vehicle seat.

Abstract: The invention relates to a pump comprising a housing (2), comprising at least one pump chamber (15), comprising an inlet valve (30) that has a valve element (30a) which controls an inlet opening (30c), comprising an outlet valve (33) that has a valve element (33a) which controls an outlet opening (33c), comprising a pressure relief valve (43) that has a valve element (43a) which controls a pressure relief opening (43c) and on which a spring element (48) acts in the closing direction (31), and comprising a spring chamber (49) that receives the spring element. A stop element (51) which can be accessed from the housing outer face and which can be adjusted in the closing direction (31) is arranged in the spring chamber (49), the spring element (48) end that faces away from the closing direction resting against the stop element.

Abstract: A valve has a housing that has a first media opening and encloses a pressure space, and a valve element actuated by at least one wire-shaped SMA element arranged in a pressure space that in a first position closes the media opening and in a second position closes the first media opening that opens the valve element. The valve housing is formed by a housing shell open on one side and a circuit board closing it with which the SMA element is electrically connected.

Abstract: The invention relates to a pump comprising a housing (2), comprising at least one pump chamber (15), comprising in inlet valve (30) that has a valve element (30a) which controls an inlet opening (30c), comprising an outlet valve (33) that has a valve element (33a) which controls an outlet opening (33c), comprising a pressure relief valve (43) that has a valve element (43a) which controls a pressure relief opening (43c) and on which a spring element (48) acts in the closing direction (31), and comprising a spring chamber (49), that receives the spring element (48) end that faces away from the closing direction resting against the stop element.

Abstract: The invention relates to a pump comprising a housing (2), comprising at least one pump chamber (15), comprising an inlet valve (30) that has a valve element (30a) which controls an inlet opening (30c), comprising an outlet valve (33) that has a valve element (33a) which controls an outlet opening (33c), comprising a pressure relief valve (43) that has a valve element (43a) which controls a pressure relief opening (43c) and on which a spring element (48) acts in the closing direction (31), and comprising a spring chamber (49) that receives the spring element. A stop element (51) which can be accessed from the housing outer face and which can be adjusted in the closing direction (31) is arranged in the spring chamber (49), the spring element (48) end that faces away from the closing direction resting against the stop element.

Abstract: The invention refers to a housing (1) with a housing axis (8) and two housing parts (2, 3) mane of plastic, and with a joint extending between them transversally to the housing axis, in which case the housing parts (2, 3) are braced against one another with the help of at least one connecting element (7) made of plastic firmly bonded to the housing parts (2, 3), with a force (F) acting along the housing axis (3) of the housing (1).

Abstract: The present disclosure refers to a fuel tank for a vehicle equipped with a valve housing and a ventilation opening that has a ventilation valve placed on an upper opening of the tank and which projects into the tank interior. Additionally, the wall of the valve housing is interspersed with at least one wall opening, and a float has been arranged in the valve housing that can be moved from a resting to a closing position and has a sealing element on its upper end. The float is in a lower place in the valve housing when it is in its resting position and the sealing element releases the ventilation opening. The float, when in a closing position, closes the ventilation opening with its sealing element as soon as the closing level is reached.

Abstract: A ventilation device includes a ventilation opening closable by a float in a valve housing interior, an inflow opening in an upper portion, at least one outflow opening in a lower portion that can be closed by a sealing element of a shut-off valve. A storage container is connected through a conduit to the valve housing interior so that fuel can flow from the housing interior into the storage container.

Abstract: A shape memory alloy (SMA) actuator assembly is provided that includes an SMA component. The SMA component is used to impart motion in an output shaft. Also provided is a return force component that provides a variable, tailored return force to the SMA component. Additionally, a variety of protective mechanisms are disclosed and utilized to prevent damage to the internal workings and components within the SMA actuator assembly as well as provide protection and safety for external workings.

Abstract: The invention refers to a filler neck for the fuel tank of a vehicle that encompasses a refueling channel (2), a first opening (3) and below it, arranged in a transversal wall (11), a second opening (7) that can be closed by a closing device. In a longitudinal section (27) of the refueling tank (2) that extends between the transversal wall (11) and the first opening (3), ends a drainage channel (10) via a drainage opening (12). In addition, a closing element (15) has been arranged in the longitudinal section (27), movable between a position that closes the drainage opening (12) and one position that releases it.

Abstract: The invention refers to a ventilation valve for the fuel tank of a motor vehicle with a housing (2) that has a ventilation opening (28), a movably arranged float (5) in the housing in the direction of its middle longitudinal axis (16) and a float-held sealing element (29), which—seen in the top view towards the middle of the middle longitudinal axis (16) of the housing (2)—is fixed on the float (5) outside of the ventilation opening (28,28a) on the arranged fixing spot (35), in which case the ventilation opening (28,28a) has a non-circular opening contour and, extending away from the fixing spot (35), a terminal section (39) whose clear width (36) increases with increasing distance from the fixing spot (35), in which case the clear width (36) is measured transversally to an imaginary middle plane (37) that cuts the fixing point (35) in the center and contains the middle longitudinal axis (19) of the float (5).

Abstract: A pressure sensor (10) comprises a pressure transducer (12) that generates an electric pressure signal (28) in correlation with an absorbed pressure (p) and a processing unit (23) that generates an electric output signal (S) by means of a mapping rule (35) from the pressure signal (28). A valve assembly (2) contains a pressure sensor (10) that records a pressure (p) in its interior space (11) and emits it as a pressure signal (S). In a method for operating a pressure sensor (10), a pressure transducer (12) generates an electric pressure signal (28) in correlation with an absorbed pressure (p), and a processing unit (23) generates an electric output signal (S) by means of a mapping rule (35) from the pressure signal (28).

Abstract: A vent valve for a fuel tank of a motor vehicle includes a housing, a cage in the housing, a movable float, and a sealing arrangement with an at least three-stage reopening operation. The sealing arrangement includes multiple movable supports defining openings of varying cross-sectional area sequentially operable.

Abstract: The invention relates to a vehicle seat with a back rest having a frame (2) and a lordosis support (6), with the following additional configuration: The lordosis support (6) comprises a pressure plate (9) that is essentially bend resistant in at least the transverse direction of the seat or the Y-direction, forms a supporting surface in the lordosis region of the back rest and is arranged between two side frame parts (3) of the frame (2); there is at least one holding element (5a, 5b) that extends between the side frame parts (3) with a length-variable adjustment section (21), which runs in the Y-direction and connects to the pressure plate (9), and is affixed there at fixing points (30) arranged opposite each other; in an inoperative position, the pressure plate (9) is arranged with a horizontal clearance (11) or a clearance in the X-direction behind the fixing points (30); there is a driving device with which the length of the adjustment section can be shortened as the horizontal clearance is reduced.

Abstract: The device includes an air release valve for a fuel tank of a motor vehicle, the air release valve comprising a housing defining at least one inlet opening therein, a central axis and a wall disposed proximate the inlet opening, the wall defining at least two outlet openings therein, the two outlet openings being sized differently; a sealing seat disposed about the two outlet openings; a float disposed in the housing moveable along the central axis, the float defining a center aligned with the central axis; and a flexible membrane attached proximate the center and extending freely therefrom to seal the two outlet openings.

Abstract: The invention relates to a headrest system for a vehicle seat, said headrest system comprising a headrest (1) supported by at least one holding rod (3), a guide component (5), which can be arrested in the backrest (11) of the vehicle seat and serves for receiving a holding rod (3), a first electric connector disposed on the free end (10) of the holding rod (3) and a second electric connector, which cooperates with the first electric connector and can be arrested in the backrest (11), the joining direction (42) of the two electric connectors running approximately coaxially to the central longitudinal axis (19) of the free end (10) of the holding rod (3), and each of said two electric connectors comprising at least two contact elements designed in a rotationally symmetrical manner in relation to the central longitudinal axis (19) or the joining direction (42).

Abstract: A valve is provided with a valve housing encompassing a pressure chamber and possessing at least two valve ports which open into the pressure chamber, whereby, in the pressure chamber at least one axially slidable valve stem exists, which controls at least one of the valve ports and which the at least one valve stem is movable between a closed position and an open position. The valve further encompasses at least one wire or band shaped SMA element, the element having an SMA, as well as possessing a resetting element for the movement of the valve stems into the closure direction. The valve seat carries on its first end a port closing closure disk, whereby its second end is axially guided within the pressure chamber on a base plate which the plate extends itself transversely to the valve stems.

Abstract: The invention refers to a fuel tank for a vehicle equipped with a valve housing (8) and a ventilation opening (11) that has a ventilation valve (6) placed on an upper opening of the tank and projects into the tank interior, in which case the wall of the valve housing (8) is interspersed with at least one wall opening (17), a float 19 has been arranged in the valve housing (8) that can be moved from a resting to a closing position and has a sealing element (21) on its upper end, the float (19) is in a lower place in the valve housing (8) when it is in its resting position and the sealing element (21) releases the ventilation opening (11), the float (19), when in a closing position, closes the ventilation opening (11) with its sealing element (21) as soon as the closing level (27) is reached.

Abstract: The invention refers to a ventilation device for a fuel tank of a vehicle that comprises a valve housing (15) with a ventilation opening (8), a float (23) moveable between a resting position and a closing position arranged in the valve housing (15) and a sealing element (30) placed on the upper side of the float (23) that acts together with the ventilation opening (8), in which case the float (23)—when it is in its resting position—is arranged in a lower position in the valve housing (15) and releases the sealing element (20) and the ventilation opening (8), in which case the float (23)—when it is in its closing position—presses against the closing element (20) against the ventilation opening (8) owing to lifting forces and is characterized by the following additional embodiment: there is at least one inflow opening (24) to allow gas and fuel to flow through, located in the circumferential wall of the valve housing (15), in one single upper area close to the ventilation opening (8), there is a separate sto

Abstract: A vehicle seat with a headrest for a vehicle is formed from an impact cushion and installed upon a seat back. The headrest is pivoted around a stationary pivotal axle aligned transversely to a longitudinal axis of the vehicle and can be swung from an unused position against the force of a spring into a used position. In the used position, the headrest is held stationary by a toggle linkage, which, within its self-limiting swing zone, acts as a pivoting element between the impact cushion and the pivotal axle.