ELECTROMAGNETIC ACTUATING APPARATUS

An electromagnetic actuating apparatus having an electromagnetic actuating unit which can be operated in order to exert an actuating force for an elongated plunger unit, wherein the actuating unit is provided in a housing along its actuating direction. The actuator unit forms an engagement surface which is planar in places and can be moved axially in the actuating direction, at an engagement end facing the plunger unit, an end surface of the plunger unit on the engagement side interacts detachably with the engagement surface, and the plunger unit is seated by magnetic attraction with its end surface on the engagement side on the engagement surface of the actuator unit, wherein the plunger unit is preferably designed to be soft-magnetic and furthermore preferably composed of soft iron, in the area of the end surface.

Reflector lamp having a reflecting section with faceted surfaces

The invention is related to a reflector lamp comprising a parabolic primary reflecting section, a parabolic or spheric secondary reflecting section joined to the primary reflecting section, a parabolic or spheric tertiary reflecting section joined to the secondary reflecting section, and an incandescent or discharge light source. The secondary and tertiary reflecting sections have faceted surfaces which longitudinally extend along the surface thereof so that most (at least 50%) or substantially all the light reflected by the faceted surfaces avoids the light source and thus the light, which would be absorbed or scattered by the light source, is minimized or substantially eliminated.

Electromagnetic actuating device

An electromagnetic actuating device comprising a plurality of electromagnetic actuation units (10, 12, 14), which can be selectively controlled for exerting an actuating force on a corresponding plurality of elongated tappet units (22, 24, 26) that are supported axially parallel, wherein the actuation units are provided in a common housing (18, 20; 78, 82) along the actuating direction axially parallel to each other, and form a contact surface that is at least planar in some sections and can be axially moved in the actuating direction at each associated engagement end facing the tappet units. A face (34, 36, 38) on the engagement side of each of the tappet units interacts with the engagement surface (28, 30, 32), wherein at least one of the plurality of tappet units sits eccentrically and/or with only a partial surface, with the face thereof on the engagement side, on the engagement surface of the associated actuation unit, particularly adheres to it magnetically.

CAMSHAFT ADJUSTMENT DEVICE

A camshaft adjuster (), comprising a camshaft axis of rotation (D) and an electromagnetic multi-tappet actuating device () having at least two electromagnetic drive units, which for exerting an actuating force on a corresponding number of elongated tappet units () which are mounted axially parallel to one another, each defining a tappet longitudinal centre axis (A A A) arranged perpendicularly to the camshaft axis of rotation (D) are activatable, in order to engage with the tappet units () in shifting grooves () of an adjustable cam piece (), wherein the drive units each on a facing acting end on one of the associated tappet units () form an acting surface that is moveable in an actuating direction of the drive units and an end face on the acting side facing away from the respective associated shifting groove () of a respective one of the tappet units () interacts with the acting surface, wherein at least one of the tappet units () is arranged relative to the camshaft axis of rotation (D) in such a manner that its tappet longitudinal centre axis (A A A) running parallel to the tappet longitudinal centre axes (A A A) of the at least one other tappet unit () is spaced from the camshaft axis of rotation (D) in a plane (E) receiving the camshaft axis of rotation (D) and running perpendicularly to the tappet longitudinal centre axes (A A A). 13491011123910118791011891011. A camshaft adjuster () , comprising a camshaft axis of rotation (D) and an electromagnetic multi-tappet actuating device () having at least two electromagnetic drive units , which for exerting an actuating force on a corresponding number of elongated tappet units ( , , ) which are mounted axially parallel to one another , each defining a tappet longitudinal centre axis (A , A , A) arranged perpendicularly to the camshaft axis of rotation (D) are activatable , in order to engage with the tappet units ( , , ) in shifting grooves () of an adjustable cam piece () , wherein the drive units each on a facing ...

Electromagnetic positioning device

An electromagnetic actuator with an armature unit (18) that can be driven relative to a stationary core unit (10) in reaction to the application of current to a stationary coil unit (14), which armature unit has a permanent magnetic agent (28) as well as a plunger unit (31), designed so as to interact with an actuation partner, guided out of a magnetically flux-conducting housing (35), wherein, on the outer surface of a shaft section (20) of the armature unit (18) a magnetically non-conducting bushing agent (32) is provided such that in a zero applied current state of the coil unit (14) a permanent magnetic flux (40) of the permanent magnetic agent (28) flows through the core unit (10) and the shaft section (20) so as to hold the armature unit (18) on the core unit (10), and in a state of the core unit (14) in which current is applied the permanent magnetic flux (40, 40) is displaced out of the core unit (10) into a housing section (50, 52) of the housing and a permanent magnetic flux circuit ...

ELECTROMAGNETIC ACTUATING APPARATUS

An electromagnetic actuating apparatus having an armature unit () which can move along an axial direction () in response to current being applied to a stationary coil unit and which is designed to interact with an actuating partner, wherein the coil unit has a winding () which is provided on a coil former () and with which a connection contact () can make contact, and said coil unit is accommodated in a housing () which surrounds the casing of the coil unit at least in sections, and which has associated electrical connecting means () for connecting the connection contact to a plug section () which is provided on the housing, wherein the lug- and/or tongue-like connection contact (), together with a flat end section (), which is oriented parallel to said connection contact and is designed to be permanently connected to the connection contact or is permanently connected to the connection contact, of the metal connecting means, extends at least in sections in a direction parallel to the axial direction () on or in a housing end region () or is angled out of a position of extent of this kind after connection, wherein the housing end region is axially opposite a housing outlet for the armature unit (). 112-. (canceled)13. An electromagnetic actuating apparatus having{'b': 14', '10, 'an armature unit () which can move along an axial direction () in response to current being applied to a stationary coil unit and which is designed to interact with an actuating partner,'}{'b': 22', '20', '26', '12, 'wherein the coil unit has a winding () which is provided on a coil former () and with which a connection contact () can make contact, and said coil unit is accommodated in a housing () which surrounds the casing of the coil unit at least in sections,'}{'b': 30', '18', '20, 'and which has associated electrical connecting means () for connecting the connection contact to a plug section (, ) which is provided on the housing,'}wherein{'b': 26', '30', '10', '16, 'the lug- and/or ...

ELECTROMAGNETIC ADJUSTING DEVICE AND USE OF SUCH AN ADJUSTING DEVICE

An electromagnetic actuator device with a plurality of actuator units (10, 12) having in each case an armature tappet which is movable relative to a stationary coil along an axial tappet direction when said coil is energised, said actuator units being received in respectively assigned actuator housings (11, 13) such that in an installed and/or assembled state of the electromagnetic actuator device one respective end portion (16) of the armature tappets may come into engagement in a controlled manner with an actuator partner which is able to be assigned thereto, wherein the plurality of actuator units is mechanically connected to a bracket-like and/or bridge-like connecting unit (14) made of polymer material such that the actuator housings are movable relative to one another by the action and in accordance with a predetermined bending property and/or elasticity of the connecting unit, in particular in a plane perpendicular to a tappet direction of the armature tappets which are further preferably guided in an axially parallel manner to one another.

Electromagnetic actuating apparatus

An electromagnetic actuating apparatus having an electromagnetic actuating unit which can be operated in order to exert an actuating force for an elongated plunger unit, wherein the actuating unit is provided in a housing along its actuating direction. The actuator unit forms an engagement surface which is planar in places and can be moved axially in the actuating direction, at an engagement end facing the plunger unit, an end surface of the plunger unit on the engagement side interacts detachably with the engagement surface, and the plunger unit is seated by magnetic attraction with its end surface on the engagement side on the engagement surface of the actuator unit, wherein the plunger unit is preferably designed to be soft-magnetic and furthermore preferably composed of soft iron, in the area of the end surface.

Display lamp with optically curved heat shield

A low voltage display lamp is provided for use in standard threaded lamp sockets. The lamp has a heat shield to reflect infrared radiation (IR) away from the ballast to reduce the ballast's operating temperature. The surface of the heat shield is optically curved to direct the reflected IR back through the front of the lamp such that it exits through the transparent cover rather than being reflected into the lamp housing.

Electromagnetic actuating device and camshaft adjuster

The invention relates to an electromagnetic actuating device ( 1 ) for a camshaft adjustment device of an internal combustion engine of a motor vehicle, with an elongated actuating element ( 2 ) forming an engagement region on the end side and movable by the force of a coil device ( 29 ) provided in a stationary manner, which actuating element preferably has in parts a cylindrical covering contour and penetrates a cut-out ( 8 ) in permanent magnet means ( 6 ) arranged on the shell side, which are constructed for cooperating with a stationary core region ( 5 ) comprising a core body ( 15 ), and which actuating element lies in a switching position with a contact surface ( 11 ), on the end side on the actuating element side, against a contact surface ( 10 ) on the core region side. Provision is made that the contact surface ( 11 ) on the core region side is formed at least in part by a contact element ( 16 ) fixed in the core body ( 15 ), which contact element is constructed from a material which has a greater hardness than the material of the core body ( 15 ).

Garage lamp

A low profile lamp (10) suitable for use in garages and the like has a horizontally aligned halogen tube (12) which is run at a higher than optimum voltage for high brightness and a lens (42) comprising lenticules (60) for providing a wide beam angle (α).

ELECTROMAGNETIC ACTUATING APPARATUS

An electromagnetic actuating apparatus having an elongated actuating element ( 3 ) which forms an engagement area ( 11 ) at the end, can be moved by the force of a coil device ( 13 ), (which is provided in a stationary manner) and has a permanent magnet ( 4 ), in places, which are designed to interact with a stationary core area ( 7 ), with a stationary bearing element ( 8 ) which acts as a yoke, being provided axially opposite the core area ( 7 ) for the actuating element ( 3 ), which is in the form of a piston at least in places, and with the coil device ( 13 ) having at least one coil winding ( 17 ) which is arranged on a mount ( 15 ) and whose winding wires ( 22, 23 ) are passed to contact elements ( 20, 21 ) and are electrically conductively connected to them, with the connections ( 24, 25 ) between the winding wires ( 22, 23 ) and the contact elements ( 20, 21 ) being arranged with vibration or oscillation damping with respect to the mount ( 15 ).

DEVICE FOR CAMSHAFT ADJUSTMENT IN AN INTERNAL COMBUSTION ENGINE

The invention relates to a device for camshaft adjustment in an internal combustion engine, having a lifting profile element which is provided in a rotationally fixed manner on an axially movable mounted camshaft and which provides a control groove, and having a control unit for generating a predetermined axial movement of the camshaft, wherein the control unit has a tappet unit which is preferably movable radially with respect to the camshaft and which is designed to controllably engage into the lifting profile element, wherein the lifting profile element forms a first control groove which is designed to interact with the tappet unit at a first penetration depth in order to describe a first axial movement of the camshaft, and the lifting profile element forms a second control groove which is designed to interact with the tappet unit at a second penetration depth, which differs from the first penetration depth, in order to describe a second axial movement, which differs from the first axial movement, of the camshaft.

ELECTROMAGNETIC ACTUATING DEVICE

An electromagnetic actuating device comprising a plurality of electromagnetic actuation units (10, 12, 14), which can be selectively controlled for exerting an actuating force on a corresponding plurality of elongated tappet units (22, 24, 26) that are supported axially parallel, wherein the actuation units are provided in a common housing (18, 20; 78, 82) along the actuating direction axially parallel to each other, and form a contact surface that is at least planar in some sections and can be axially moved in the actuating direction at each associated engagement end facing the tappet units. A face (34, 36, 38) on the engagement side of each of the tappet units interacts with the engagement surface (28, 30, 32), wherein at least one of the plurality of tappet units sits eccentrically and/or with only a partial surface, with the face thereof on the engagement side, on the engagement surface of the associated actuation unit, particularly adheres to it magnetically.

Electromagnetic actuating apparatus

An electromagnetic actuating apparatus having an elongated actuating element (3) which forms an engagement area (11) at the end, can be moved by the force of a coil device (13), (which is provided in a stationary manner) and has a permanent magnet (4), in places, which are designed to interact with a stationary core area (7), with a stationary bearing element (8) which acts as a yoke, being provided axially opposite the core area (7) for the actuating element (3), which is in the form of a piston at least in places, and with the coil device (13) having at least one coil winding (17) which is arranged on a mount (15) and whose winding wires (22, 23) are passed to contact elements (20, 21) and are electrically conductively connected to them, with the connections (24, 25) between the winding wires (22, 23) and the contact elements (20, 21) being arranged with vibration or oscillation damping with respect to the mount (15).

Actuation device

An electromagnetic actuation device with an actuation element, which can be adjusted relative to a stator on the basis of a magnetic actuation force which can be generated by the stator, wherein the stator has a coil winding, the winding wire of which is guided to a contact element bent at a bending region and is fixedly and electrically conductively connected to the same, wherein the contact element (5) has a depression geometry (9) in a bending region (7), which shortens a bending path of the winding wire (4) and through which the winding wire (4) passes.

ELECTROMAGNETIC ACTUATING DEVICE AND CAMSHAFT ADJUSTER

The invention relates to an electromagnetic actuating device () for a camshaft adjustment device of an internal combustion engine of a motor vehicle, with an elongated actuating element () forming an engagement region on the end side and movable by the force of a coil device () provided in a stationary manner, which actuating element preferably has in parts a cylindrical covering contour and penetrates a cut-out () in permanent magnet means () arranged on the shell side, which are constructed for cooperating with a stationary core region () comprising a core body (), and which actuating element lies in a switching position with a contact surface (), on the end side on the actuating element side, against a contact surface () on the core region side. Provision is made that the contact surface () on the core region side is formed at least in part by a contact element () fixed in the core body (), which contact element is constructed from a material which has a greater hardness than the material of the core body (). 11229865151011. An electromagnetic actuating device () for a camshaft adjustment device of an internal combustion engine of a motor vehicle , with comprising an elongated actuating element () forming an engagement region on an end side and movable by force of a coil device () provided in a stationary manner , which actuating element has in parts a cylindrical covering contour and penetrates a cut-out () in permanent magnet means () arranged on a shell side , which are constructed for cooperating with a stationary core region () comprising a core body () , and which actuating element lies in a switching position with a contact surface () , on the end side on an actuating element side , against a contact surface () on a core region side , wherein{'b': 11', '16', '15', '15, 'the contact surface () on the core region side is formed at least in part by a contact element () fixed in the core body (), which contact element is constructed from a material which has a ...

Electromagnetic actuating apparatus

An electromagnetic actuating apparatus with an elongate actuating element (3), which forms an engagement region (11) at the end and is capable of moving owing to the force of a coil device provided in stationary fashion, and sections of the actuating element have permanent magnets (4), which are designed to interact with a stationary core region (7), wherein a stationary bearing element (8) acting as a yoke is provided axially opposite the core region (7) for the actuating element (3), at least sections of which are in the form of a piston, wherein the actuating element (3) has two sections (10, 20; 3a, 3b), wherein a first section (19, 3a), which is arranged in the region of the permanent magnets (4), is optimized in terms of the magnetic conductivity and a second section (20, 3b), which is arranged in the engagement region, is optimized in terms of wear.

Electromagnetic adjusting device and use of such an adjusting device

An electromagnetic actuator device with a plurality of actuator units (10, 12) having in each case an armature tappet which is movable relative to a stationary coil along an axial tappet direction when said coil is energised, said actuator units being received in respectively assigned actuator housings (11, 13) such that in an installed and/or assembled state of the electromagnetic actuator device one respective end portion (16) of the armature tappets may come into engagement in a controlled manner with an actuator partner which is able to be assigned thereto, wherein the plurality of actuator units is mechanically connected to a bracket-like and/or bridge-like connecting unit (14) made of polymer material such that the actuator housings are movable relative to one another by the action and in accordance with a predetermined bending property and/or elasticity of the connecting unit, in particular in a plane perpendicular to a tappet direction of the armature tappets which are further preferably ...

ELECTROMAGNETIC ACTUATING APPARATUS

An electromagnetic actuating apparatus with an elongate actuating element (3), which forms an engagement region (11) at the end and is capable of moving owing to the force of a coil device provided in stationary fashion, and sections of the actuating element have permanent magnets (4), which are designed to interact with a stationary core region (7), wherein a stationary bearing element (8) acting as a yoke is provided axially opposite the core region (7) for the actuating element (3), at least sections of which are in the form of a piston, wherein the actuating element (3) has two sections (10, 20; 3a, 3b), wherein a first section (19, 3a), which is arranged in the region of the permanent magnets (4), is optimized in terms of the magnetic conductivity and a second section (20, 3b), which is arranged in the engagement region, is optimized in terms of wear.

Electromagnetic actuating apparatus

An electromagnetic actuating apparatus having an armature unit ( 14 ) which can move along an axial direction ( 10 ) in response to current applied to a stationary coil unit and designed to interact with an actuating partner, wherein the coil unit has a winding ( 22 ) with which a connection contact ( 26 ) can make contact. The coil unit is accommodated in a housing ( 12 ) which surrounds the coil unit at least in sections. The coil unit has an electrical connection for connecting the connection contact to a plug section ( 18, 20 ) on the housing. The connection contact ( 26 ), together with a flat end section ( 30 ) of the electrical connection, which is oriented parallel to the connection contact and is permanently connected to the connection contact, extends at least in sections parallel to the axial direction ( 10 ) or is angled out of a position of extent in this direction after connection, wherein the housing end region is axially opposite a housing outlet for the armature unit ( 14 ).

Display lamp with reflector having IR-reflective coating

A low voltage display lamp is provided for use in standard threaded lamp sockets. The lamp has an IR-reflective layer, preferably gold, coated on the convex side of the reflector to reflect infrared radiation (IR) away from the ballast to reduce the ballast's operating temperature. The IR-reflective coating is effective to reflect IR radiation away from the lamp housing.

Camshaft adjustment device

A camshaft adjuster (3), comprising a camshaft axis of rotation (D) and an electromagnetic multi-tappet actuating device (4) having at least two electromagnetic drive units, which for exerting an actuating force on a corresponding number of elongated tappet units (9, 10, 11) which are mounted axially parallel to one another, each defining a tappet longitudinal center axis (A1, A2, A3) arranged perpendicularly to the camshaft axis of rotation (D) are activatable, in order to engage with the tappet units (9, 10, 11) in shifting grooves (8) of an adjustable cam piece (7), wherein the drive units each on a facing acting end on one of the associated tappet units (9, 10, 11) form an acting surface that is moveable in an actuating direction of the drive units and an end face on the acting side facing away from the respective associated shifting groove (8) of a respective one of the tappet units (9, 10, 11) interacts with the acting surface, wherein at least one of the tappet units (9, 10, 11) ...

ACTUATION DEVICE

An electromagnetic actuation device with an actuation element, which can be adjusted relative to a stator on the basis of a magnetic actuation force which can be generated by the stator, wherein the stator has a coil winding, the winding wire of which is guided to a contact element bent at a bending region and is fixedly and electrically conductively connected to the same, wherein the contact element ( 5 ) has a depression geometry ( 9 ) in a bending region ( 7 ), which shortens a bending path of the winding wire ( 4 ) and through which the winding wire ( 4 ) passes.

Device for camshaft adjustment in an internal combustion engine

The invention relates to a device for camshaft adjustment in an internal combustion engine, having a lifting profile element which is provided in a rotationally fixed manner on an axially movable mounted camshaft and which provides a control groove, and having a control unit for generating a predetermined axial movement of the camshaft, wherein the control unit has a tappet unit which is preferably movable radially with respect to the camshaft and which is designed to controllably engage into the lifting profile element, wherein the lifting profile element forms a first control groove which is designed to interact with the tappet unit at a first penetration depth in order to describe a first axial movement of the camshaft, and the lifting profile element forms a second control groove which is designed to interact with the tappet unit at a second penetration depth, which differs from the first penetration depth, in order to describe a second axial movement, which differs from the first axial movement, of the camshaft.

ELECTROMAGNETIC POSITIONING DEVICE

An electromagnetic actuator with an armature unit () that can be driven relative to a stationary core unit () in reaction to the application of current to a stationary coil unit (), which armature unit has a permanent magnetic agent () as well as a plunger unit (), designed so as to interact with an actuation partner, guided out of a magnetically flux-conducting housing (), wherein, on the outer surface of a shaft section () of the armature unit () a magnetically non-conducting bushing agent () is provided such that in a zero applied current state of the coil unit () a permanent magnetic flux () of the permanent magnetic agent () flows through the core unit () and the shaft section () so as to hold the armature unit () on the core unit (), and in a state of the core unit () in which current is applied the permanent magnetic flux () is displaced out of the core unit () into a housing section () of the housing and a permanent magnetic flux circuit is closed by a section () of the plunger unit facing towards the housing. 1181014283135. An electromagnetic actuator with an armature unit () that can be driven relative to a stationary core unit () in reaction to the application of current to a stationary coil unit () , which armature unit has a permanent magnetic agent () as well as a plunger unit () , designed so as to interact with an actuation partner , guided out of a magnetically flux-conducting housing () , wherein ,{'b': 20', '18', '32', '14', '40', '28', '10', '20', '18', '10', '14', '40', '40', '10', '50', '52', '54, 'on the outer surface of a shaft section () of the armature unit () a magnetically non-conducting bushing agent () is provided such that in a zero applied current state of the coil unit () a permanent magnetic flux () of the permanent magnetic agent () flows through the core unit () and the shaft section () so as to hold the armature unit () on the core unit (), and in a state of the core unit () in which current is applied the permanent magnetic flux ...

Nockenwellenverstellvorrichtung

Device for adjusting the camshaft of an internal combustion engine

Die Erfindung betrifft eine Vorrichtung zur Nockenwellenverstellung einer Brennkraftmaschine mit einem auf oder an einer axial verschieblich gelagerten Nockenwelle drehfest vorgesehenen, eine Steuernut anbietenden Hubprofilelement und einer Steuereinheit zum Bewirken einer vorbestimmten Axialverschiebung der Nockenwelle, wobei die Steuereinheit eine bevorzugt radial zur Nockenwelle bewegliche, zum steuerbaren Eingreifen in das Hubprofilelement ausgebildete Stößeleinheit aufweist, wobei das Hubprofilelement eine erste Steuernut ausbildet, welche zum Zusammenwirken mit der Stößeleinheit in einer ersten Eindringtiefe zum Beschreiben einer ersten Axialbewegung der Nockenwelle ausgebildet ist, und das Hubprofilelement eine zweite Steuernut ausbildet, welche zum Zusammenwirken mit der Stößeleinheit in einer zweiten, von der ersten Eindringtiefe verschiedenen Eindringtiefe zum Beschreiben einer zweiten, von der ersten Axialbewegung verschiedenen zweiten Axialbewegung der Nockenwelle ausgebildet ist. The invention relates to a device for adjusting the camshaft of an internal combustion engine with a rotatably mounted on or on an axially displaceable camshaft, a control groove offering Hubprofilelement and a control unit for effecting a predetermined axial displacement of the camshaft, wherein the control unit preferably a radially movable camshaft, for controllable intervention formed in the Hubprofilelement ram unit, wherein the Hubprofilelement forms a first cam groove, which is designed to cooperate with the plunger unit in a first penetration depth for describing a first axial movement of the camshaft, and the Hubprofilelement forms a second cam, which cooperates with the plunger unit in a second, different from the first penetration depth penetration depth for describing a second, different from the first axial movement second axial movement of the camshaft is formed.

Device for camshaft adjustment in an internal combustion engine

The invention relates to a device for camshaft adjustment in an internal combustion engine, having a lifting profile element which is provided in a rotationally fixed manner on an axially movably mounted camshaft and which provides a control groove, and having a control unit for generating a predetermined axial movement of the camshaft, wherein the control unit has a tappet unit which is preferably movable radially with respect to the camshaft and which is designed to controllably engage into the lifting profile element, wherein the lifting profile element forms a first control groove which is designed to interact with the tappet unit at a first penetration depth in order to describe a first axial movement of the camshaft, and the lifting profile element forms a second control groove which is designed to interact with the tappet unit at a second penetration depth, which differs from the first penetration depth, in order to describe a second axial movement, which differs from the first axial movement, of the camshaft.

Device for camshaft adjustment in an internal combustion engine

The camshaft adjustment device has a camshaft supported in a torque proof manner, in or on axially displaced manner. A stroke profile element with control groove and a control unit is provided for activating a predetermined axial displacement of the camshaft. The stroke profile element forms two control grooves, for interaction with the plunger unit in different penetration depths for specifying an axial movement of the camshaft. The axial movements of the cam shafts are different from each other. An independent claim is included for a method for a camshaft adjustment of an internal-combustion engine, particularly for operating a device.

Patterned optical interference coatings for only a portion of a high intensity lamp envelope

An interference filter or coating is provided in a predetermined pattern on a lamp envelope. The coating is comprised of alternating layers of high and low index of refraction materials applied to a vitreous outer surface of a lamp envelope. The coating may be geometrically symmetric or asymmetric, continuous or discontinuous with respect to the coating itself or the envelope to which it has been applied. The envelope can be masked prior to deposition of the coating so that removal of the mask leaves the filter in the desired pattern. The preferred process for forming the coating includes forming a boric oxide mask on a portion of the envelope, applying the coating over the mask and removing the coating from masked areas of the envelope by dissolving the mask in an aqueous solution.

Reflector lamps

A parabolic reflector lamp (10) is provided wherein lamp efficiency is improved by more substantially approximating the shape of a complete parabola at the inner reflective surface. In a first embodiment, the heat shield (18) is placed at the mouth (26) of the opening at the base of the lamp, thereby 'filling in' the opening and substantially completing the parabolic shape of the reflector. In a second embodiment, the opening at the base of the lamp is narrowed to minimize its cross-sectional area and maximizing reflective surface area. In a third embodiment, the glass shell (12) of the lamp is provided in a two-piece configuration, allowing the size of the hole (52) through the base (32) of the glass shell (12) to be reduced. The openings (52, 54) required to accommodate electrodes (56) (and an exhaust tube (58) in sealed lamps) are located in a second cup-shaped piece (60) attached via a flange (62) to the main body of the glass shell (12).

Camshaft adjustment device

The invention relates to a camshaft adjustment device (3) which comprises a camshaft rotational axis (D) and an electromagnetic multi-tappet actuator device (4) that has at least two electromagnetic drive units, these drive units being able to be actuated such that an actuation force is exerted onto a corresponding number of elongated tappet units (9, 10, 11), mounted so as to be axially parallel to one another and each defining a tappet longitudinal central-axis (A1) perpendicular to said camshaft rotational axis (D), in order to have said tappet units meshing with shifting grooves (8) of an adjustable cam part (7). Each of the drive units forms a contact surface at a contact end that faces one of the respectively associated tappet units, which contact surface can be moved in a drive unit actuation direction, and a contact-side end-face of one of the respective tappet units (9, 10, 11), which end-face faces away from the shifting groove (8) associated therewith, interacts with said contact surface. According to the invention, at least one of the tappet units (9, 10, 11) is arranged relative to the camshaft rotational axis (D) such that the tappet longitudinal central-axis thereof, which runs parallel to the tappet longitudinal central-axes (A1, A2, A3) of the at least one other tappet unit, is disposed at a distance from the camshaft rotational axis (D) in a plane (E) which extends perpendicularly to said tappet longitudinal central-axes (9, 10, 11) and which receives the camshaft rotational axis (D).

Device for camshaft adjustment in an internal combustion engine

Die Erfindung betrifft eine Vorrichtung zur Nockenwellenverstellung einer Brennkraftmaschine mit einem auf oder an einer axial verschieblich gelagerten Nockenwelle drehfest vorgesehenen, eine Steuernut anbietenden Hubprofilelement und einer Steuereinheit zum Bewirken einer vorbestimmten Axialverschiebung der Nockenwelle, wobei die Steuereinheit eine bevorzugt radial zur Nockenwelle bewegliche, zum steuerbaren Eingreifen in das Hubprofilelement ausgebildete Stößeleinheit aufweist, wobei dass das Hubprofilelement eine erste Steuernut ausbildet, welche zum Zusammenwirken mit der Stößeleinheit in einer ersten Eindringtiefe zum Beschreiben einer ersten Axialbewegung der Nockenwelle ausgebildet ist und das Hubprofilelement eine zweite Steuernut ausbildet, welche zum Zusammenwirken mit der Stößeleinheit in einer zweiten, von der ersten Eindringtiefe verschiedenen Eiindringtiefe zum Beschreiben einer zweiten, von der ersten Axialbewegung verschiedenen zweiten Axialbewegung der Nockenwelle ausgebildet ist.

Electromagnetic actuator and camshaft adjuster

Elektromagnetische Stellvorrichtung (1), insbesondere für eine Nockenwellenverstellvorichtung eines Verbrennungsmotors eines Kraftfahrzeuges, mit einem endseitig einen Eingriffsbereich ausbildenden und durch die Kraft einer stationär vorgesehenen Spuleneinrichtung (29) bewegbaren, langgestreckten, vorzugsweise abschnittsweise eine zylindrische Hüllkontur aufweisenden Stellelement (2), welches eine Aussparung (8) in mantelseitig angeordneten Permanentmagnetmitteln (6) durchsetzt, die zum Zusammenwirken mit einem stationären, einen Kernkörper (15) umfassenden Kernbereich (5) ausgebildet sind, und welches in einer Schaltstellung mit einer stirnseitigen stellelementseitigen Kontaktfläche (10) an einer kernbereichsseitigen Kontaktfläche (11) anliegt, dadurch gekennzeichnet, dass die kernbereichsseitige Kontaktfläche (11) zumindest abschnittsweise von einem im Kernkörper (15) festgelegten Kontaktelement (16) gebildet ist, welches aus einem Werkstoff ausgebildet ist, der eine höhere Härte aufweist als der Werkstoff des Kernkörpers (15). Electromagnetic adjusting device (1), in particular for a camshaft adjusting device of an internal combustion engine of a motor vehicle, with an elongated adjusting element (2), which forms an engagement area at the end and which can be moved by the force of a stationary coil device (29), preferably has a cylindrical envelope contour in sections and has a recess (8) is penetrated in the permanent magnet means (6) arranged on the casing side, which are designed to cooperate with a stationary core area (5) comprising a core body (15), and which in a switching position has a contact surface (10) on the end face on the actuating element on a contact area on the core area ( 11), characterized in that the contact area (11) on the core region side is formed at least in sections by a contact element (16) fixed in the core body (15), which is made of a material that has a higher hardness points as the material of the core body (15).

Electromagnetic setting device and camshaft adjustment device

The invention relates to an electromagnetic setting device (1), in particular for camshaft adjustment devices of internal combustion engines, having, in sections, a permanent magnet means (14), which forms an engagement region (3), in particular on the end, and is axially movable along an adjustment axis (V) in an armature chamber (10), which is delimited radially on the outside by a circumferential wall (12), for interacting with a setting element (2) having a stationary core region (4) and having a coil apparatus (5), which is stationary relative to the setting element (2), for generating an opposing force counteracting a holding force of the axially magnetized permanent magnet means (14) and releasing the opposing force from the core region (4), as a reaction to an electrical activation signal, wherein the setting element (2) has, on the outer circumference thereof, a guide portion (22) for the guided interaction with stationary, preferably sleeve-shaped guidance means (23) during axial adjustment of the setting element (2). According to the invention, the setting element (2) comprises a guide bushing (26), which is associated with the permanent magnet means (14), preferably enclosing the permanent magnet means at least in sections radially on the outside, and preferably made of a non-magnetically or low-magnetically conductive material, which guides the setting element (2) during the axial adjustment movement thereof on the inner circumference (11) of the circumferential wall (12) delimiting the armature chamber (10) radially to the outside.

Electromagnetic actuating apparatus

The invention relates to an electromagnetic actuating apparatus having an electromagnetic actuating unit which can be operated in order to exert an actuating force for an elongated plunger unit, wherein the actuating unit is provided in a housing along its actuating direction. The invention provides that the actuator unit forms an engagement surface which is planar in places and can be moved axially in the actuating direction, at an engagement end facing the plunger unit, an end surface of the plunger unit on the engagement side interacts detachably with the engagement surface, and the plunger unit is seated by magnetic attraction with its end surface on the engagement side on the engagement surface of the actuator unit, wherein the plunger unit is preferably designed to be soft-magnetic and furthermore preferably composed of soft iron, in the area of the end surface.

Elektromagnetische stellvorrichtung

Elektromagnetische stellvorrichtung

Stellvorrichtung

Die Erfindung betrifft eine elektromagnetische Stellvorrichtung mit einem Stellelement, welches aufgrund einer von einem Stator erzeugbaren magnetischen Stellkraft relativ zu dem Stator verstellbar ist, wobei der Stator eine Spulenwicklung umfasst, deren Wicklungsdraht zu einem an einem Biegebereich gebogenen Kontaktelement geführt und mit diesem fest, elektrisch leitend verbunden ist. Erfindungsgemäß ist vorgesehen, dass das Kontaktelement (5) im Biegebereich (7) eine den Biegeweg des Wicklungsdrahtes (4) verkürzende und von dem Wicklungsdraht (4) durchsetzte Vertiefungsgeometrie (9) aufweist

Elektromagnetische stellvorrichtung

Display lamp with reflector having IR-reflective coating

A low voltage display lamp (10) is provided for use in standard threaded lamp sockets. The lamp (10) has an IR-reflective layer (35), preferably gold, coated on the convex side (15) of the reflector (12) to reflect infrared radiation (IR) away from the ballast (30) to reduce the ballast's (30) operating temperature. The IR-reflective coating (35) is effective to reflect IR radiation away from the lamp housing (40).

Stellvorrichtung

Die Erfindung betrifft eine elektromagnetische Stellvorrichtung mit einem Stellelement, welches aufgrund einer von einem Stator erzeugbaren magnetischen Stellkraft relativ zu dem Stator verstellbar ist, wobei der Stator eine Spulenwicklung umfasst, deren Wicklungsdraht zu einem an einem Biegebereich gebogenen Kontaktelement geführt und mit diesem fest, elektrisch leitend verbunden ist. Erfindungsgemäß ist vorgesehen, dass das Kontaktelement (5) im Biegebereich (7) eine den Biegeweg des Wicklungsdrahtes (4) verkürzende und von dem Wicklungsdraht (4) durchsetzte Vertiefungsgeometrie (9) aufweist

Lentikulare Linsen

Elektromagnetische stellvorrichtung

Die Erfindung betrifft eine elektromagnetische Stellvorrichtung mit einer als Reaktion auf eine Bestromung einer stationären Spuleneinheit (14) relativ zu einer stationären Kerneinheit (10) antreibbaren Ankereinheit (18), die Permanentmagnetmittel (28) sowie eine zum Zusammenwirken mit einem Stellpartner ausgebildete, aus einem magnetisch flussleitenden Gehäuse (35) herausgeführte Stößeleinheit (31 ) aufweist, wobei mantelseitig eines Schaftabschnitts (20) der Ankereinheit (18) magnetisch nicht leitende Buchsenmittel (32) so vorgesehen sind, dass in einem unbestromten Zustand der Spuleneinheit (14) ein permanentmagnetischer Fluss (40) der Permanentmagnetmittel (28) durch die Kerneinheit (10) und den Schaftabschnitt (20) zum Halten der Ankereinheit (18) an der Kerneinheit (10) fließt und in einem bestromten Zustand der Spuleneinheit (14) der permanentmagnetische Fluss (40', 40") aus der Kerneinheit (10) in einen Gehäuseabschnitt (50, 52) des Gehäuses verdrängt und ein permanentmagnetischer Flusskreis über einen gehäuseseitigen Abschnitt (54) der Stößeleinheit geschlossen wird.

Lentikulare Linsen

Modulares matratzensystem

Die Erfindung betrifft ein modulares Matratzensystem (300) mit einem Rahmenelement (102), einem oberen Deckelement (104) und einem unteren Deckelement (106), wobei jeweils das obere Deckelement (104) und das untere Deckelement lösbar (106) an einer Oberseite bzw. Unterseite des Rahmenelements (102) befestigbar ist. Ferner umfasst das modulare Matratzensystem (300) mindestens ein Matratzeneinsatzelement (308, 310, 312, 314, 316, 318, 320, 322), das in einen durch das Rahmenelement, das obere Deckelement und das untere Deckelement gebildeten Innenraum einsetzbar ist. Ferner betrifft die Erfindung auch ein Verfahren zum Bereitstellen eines individuellen Matratzensystems.

Display lamp with reflector having IR-reflective coating

Process for forming patterned optical interference coatings fo electric lamps

Elektromagnetische stellvorrichtung

Elektromagnetische stellvorrichtung

Die Erfindung betrifft eine elektromagnetische Stellvorrichtung mit einer als Reaktion auf eine Bestromung einer stationären Spuleneinheit entlang einer axialen Richtung (10) bewegbaren, zum Zusammenwirken mit einem Stellpartner ausgebildeten Ankereinheit (14), wobei die Spuleneinheit eine auf einem Spulenträger (20) vorgesehene und mittels eines Anschlusskontakts (26) kontaktierbare Wicklung (22) aufweist und in einem bevorzugt hohlzylindrischen, die Spuleneinheit zumindest abschnittsweise mantelseitig umgebenden Gehäuse (12) aufgenommen ist, welchem elektrische Verbindungsmittel (30) für eine Verbindung des Anschlusskontakts mit einem am Gehäuse vorgesehenen Steckerabschnitt (18,20) zugeordnet sind, wobei der laschen- und/oder zungenartig ausgebildete Anschlusskontakt (26) sich zusammen mit einem insbesondere parallel darauf ausgerichteten und zum unlösbaren Verbinden mit dem Anschlusskontakt ausgebildeten oder unlösbar mit dem Anschlusskontakt verbundenen flachen Endabschnitt (30) der metallischen Verbindungsmittel zumindest abschnittsweise in einer Richtung parallel zu der axialen Richtung (10) an oder in einem Gehäuse-Stirnbereich (16) erstreckt oder aus einer solchen Erstreckungsposition nach dem Verbinden abgewinkelt ist, wobei der Gehäuse-Stirnbereich einem Gehäuseaustritt für die Ankereinheit (14) axial entgegengesetzt ist.

Elektromagnetische stellvorrichtung

Die Erfindung betrifft eine elektromagnetische Stellvorrichtung mit einer als Reaktion auf eine Bestromung einer stationären Spuleneinheit entlang einer axialen Richtung (10) bewegbaren, zum Zusammenwirken mit einem Stellpartner ausgebildeten Ankereinheit (14), wobei die Spuleneinheit eine auf einem Spulenträger (20) vorgesehene und mittels eines Anschlusskontakts (26) kontaktierbare Wicklung (22) aufweist und in einem bevorzugt hohlzylindrischen, die Spuleneinheit zumindest abschnittsweise mantelseitig umgebenden Gehäuse (12) aufgenommen ist, welchem elektrische Verbindungsmittel (30) für eine Verbindung des Anschlusskontakts mit einem am Gehäuse vorgesehenen Steckerabschnitt (18,20) zugeordnet sind, wobei der laschen- und/oder zungenartig ausgebildete Anschlusskontakt (26) sich zusammen mit einem insbesondere parallel darauf ausgerichteten und zum unlösbaren Verbinden mit dem Anschlusskontakt ausgebildeten oder unlösbar mit dem Anschlusskontakt verbundenen flachen Endabschnitt (30) der metallischen Verbindungsmittel zumindest abschnittsweise in einer Richtung parallel zu der axialen Richtung (10) an oder in einem Gehäuse-Stirnbereich (16) erstreckt oder aus einer solchen Erstreckungsposition nach dem Verbinden abgewinkelt ist, wobei der Gehäuse-Stirnbereich einem Gehäuseaustritt für die Ankereinheit (14) axial entgegengesetzt ist.