Abstract: The invention relates to an ultrasonic sensor device (2) for a motor vehicle, having an ultrasonic sensor (3) which has a diaphragm (8) for emitting and/or receiving an ultrasonic signal, and having an attachment device which is configured, in a correct installation position of the ultrasonic sensor device (2) on an exterior panelling part (6) of the motor vehicle, to press the diaphragm (8) against an inner side (7) of the exterior panelling part (6) with a prestressing force, wherein the attachment device has a securing apparatus (5) and a cover apparatus (4), wherein the securing apparatus (5) can be arranged on the inner side (7) of the exterior panelling part (6) and has an opening (22) in which the diaphragm (8) is arranged, and wherein the cover apparatus (4) has a receptacle (24) in which a rear side (23), lying opposite the diaphragm (8), of the ultrasonic sensor (3) is secured, and wherein the cover apparatus (4) and the securing apparatus (5) are connected in a positively locking fashion.

Abstract: An ultrasonic sensor (1) comprises a housing (2) and a diaphragm (4), to which a piezo-electric element (6) is fastened, and an electric connector region (8) which has an earth connector (24). A layer made from an electrically non-conducting material is arranged between the diaphragm (4) and the piezo-electric element (6), and the diaphragm (4) is connected to the earth connector (24) in an electrically conducting manner.

Abstract: The invention relates to an ultrasonic sensor device (2) for a motor vehicle, having an ultrasonic sensor (3) which has a diaphragm (8) for emitting and/or receiving an ultrasonic signal, and having an attachment device which is configured, in a correct installation position of the ultrasonic sensor device (2) on an exterior panelling part (6) of the motor vehicle, to press the diaphragm (8) against an inner side (7) of the exterior panelling part (6) with a prestressing force, wherein the attachment device has a securing apparatus (5) and a cover apparatus (4), wherein the securing apparatus (5) can be arranged on the inner side (7) of the exterior panelling part (6) and has an opening (22) in which the diaphragm (8) is arranged, and wherein the cover apparatus (4) has a receptacle (24) in which a rear side (23), lying opposite the diaphragm (8), of the ultrasonic sensor (3) is secured, and wherein the cover apparatus (4) and the securing apparatus (5) are connected in a positively locking fashion.

Abstract: The invention relates to an ultrasonic sensor device (1) for a motor vehicle, comprising ultrasonic sensor (7) which comprises a pot-shaped membrane (6) for emitting and/or receiving ultrasonic signals as well as a sensor housing (10), comprising a stiffening element (3) arranged around the membrane (6) and comprising a holder (4), which is designed for holding the sensor housing (10) on a back side of a trim element of the motor vehicle, wherein the stiffening element (3) and the holder (4) are designed to be integrally formed from a uniform material.

Abstract: The invention relates to an ultrasonic sensor device (1) for a motor vehicle, comprising an ultrasonic sensor (2), which comprises a pot-shaped membrane (21) for emitting and/or receiving ultrasonic signals, comprising a decoupling ring (6), which is arranged to fit around the membrane (21) in contact with an outer circumference (34) of the membrane (21), and comprising a stiffening element (13), which is arranged around the decoupling ring (6), wherein the decoupling ring (6) comprises a circumferential first radial decoupling region (32) which is in contact with the outer circumference (34) of the membrane (21) as well as a second radial decoupling region (33) with an axial face (37) which is in contact with an axial face (38) of the stiffening element (13).

Abstract: An ultrasonic sensor (1) comprises a housing (2) and a diaphragm (4), to which a piezo-electric element (6) is fastened, and an electric connector region (8) which has an earth connector (24). A layer made from an electrically non-conducting material is arranged between the diaphragm (4) and the piezo-electric element (6), and the diaphragm (4) is connected to the earth connector (24) in an electrically conducting manner.

Abstract: The invention relates to an ultrasonic sensor device (1) for a motor vehicle, comprising an ultrasonic sensor (7) which comprises a pot-shaped membrane (6) for emitting and/or receiving ultrasonic signals as well as a sensor housing (10), comprising a stiffening element (3) arranged around the membrane (6) and comprising a holder (4), which is designed for holding the sensor housing (10) on a back side of a trim element of the motor vehicle, wherein the stiffening element (3) and the holder (4) are designed to be integrally formed from a uniform material.

Abstract: The invention relates to an ultrasonic sensor device (1) for a motor vehicle, comprising an ultrasonic sensor (2), which comprises a pot-shaped membrane (21) for emitting and/or receiving ultrasonic signals, comprising a decoupling ring (6), which is arranged to fit around the membrane (21) in contact with an outer circumference (34) of the membrane (21), and comprising a stiffening element (13), which is arranged around the decoupling ring (6), wherein the decoupling ring (6) comprises a circumferential first radial decoupling region (32) which is in contact with the outer circumference (34) of the membrane (21) as well as a second radial decoupling region (33) with an axial front side (37) which is in contact with an axial front side (38) of the stiffening element (13).

Abstract: A sensor mount (10), in particular for mounting inter-vehicle distance sensors on vehicle components, has a receptacle (12) for a sensor, wherein the receptacle has an axially front side, in the region of which the active surface of the sensor is located when the sensor is inserted into the mount, and a rear side which faces away from the front side (16). The mount comprises a cover (20) with which the rear side (16) of the receptacle (12) is covered or can be covered when a sensor is present in the mount (10) in order to attenuate sensor signals which are emitted in the rear direction and/or in order to attenuate reflection signals coming from the rear direction.

Abstract: A sensor mount (10), in particular for mounting inter-vehicle distance sensors on vehicle components, has a receptacle (12) for a sensor, wherein the receptacle has an axially front side, in the region of which the active surface of the sensor is located when the sensor is inserted into the mount, and a rear side which faces away from the front side (16). The mount comprises a cover (20) with which the rear side (16) of the receptacle (12) is covered or can be covered when a sensor is present in the mount (10) in order to attenuate sensor signals which are emitted in the rear direction and/or in order to attenuate reflection signals coming from the rear direction.

Abstract: The present disclosure relates to an ultrasonic sensor used, for example, in the form of an ultrasonic vehicle parking aid provided with a sensor having an ultrasonic membrane and optionally a board provided with mounted required electronics and a coupling for an electric plug-in connection which are arranged therein, wherein said coupling is placed on a separate coupling housing and the sensor housing is combinable with different coupling housings.

Abstract: The present disclosure relates to an ultrasonic sensor used, for example, in the form of an ultrasonic vehicle parking aid provided with a sensor having an ultrasonic membrane and optionally a board provided with mounted required electronics and a coupling for an electric plug-in connection which are arranged therein, wherein said coupling is placed on a separate coupling housing and the sensor housing is combinable with different coupling housings.

Abstract: The present disclosure relates to a holder for a sensor, particularly an ultrasound sensor for a parking assist system, including a sleeve-shaped body, into which the sensor can be inserted via an insertion opening, and which a fastening section for fastening the holder to a vehicle part. A cage is provided between the sleeve-shaped body and the sensor. This cage fixes the sensor inside the sleeve-shaped body both in the axial direction as well as in the radial direction.