摘要:
A solenoid actuator is provided having an armature assembly with a separate joined shunt side bearing consisting of a non-magnetic or slightly magnetic material. The material of the shunt side bearing prevents significant amounts of magnetic flux transferring through the lower bearing area of the armature assembly in the radial direction.
摘要:
The invention relates to an electromagnet comprising a pole tube (104) and a coil (106) that encloses the pole tube and is displaceable along a longitudinal axis of the pole tube. A first front face of the coil rests against a first abutment (2) connected to a first end section of the pole tube. According to the invention, an elastic element (101) is arranged between a second front face of the coil and a second abutment (105) connected to a second end section of the pole tube, wherein said elastical element supports itself against the second abutment and pretensions the coil against the first abutment. In this way, a permanent and constantly tensioned attachment of the coil on the pole tube is ensured in the event of temperature fluctuations and even vibrations, which can be easily released even after a longer exposure to humidity.
摘要:
The invention relates to an electromagnetic actuating unit (1) of a hydraulic directional valve, comprising an armature (13) and a first and a second magnet yoke (6, 9), wherein the first and the second magnet yokes (6, 9) at least partially bound an armature space (12), wherein the armature (13) is arranged in the armature space (12) so as to be axially displaceable, and wherein the first and the second magnet yokes (6, 9) face each other in the axial direction of the armature (13).
摘要:
Die Erfindung bezieht sich auf einen Elektromagnet mit einem Magnetkörper, der mit einem Tubusrohr verbunden ist, wobei Mittel zur Befestigung des Magnetkörpers am Tubusrohr vorgesehen sind und die Mittel wenigstens ein einerseits das Tubusrohr, andererseits den Magnetkörper kontaktierendes, elektrisch leitendes Element zur elektrischen Verbindung von Tubusrohr und Magnetkörper aufweisen.
摘要:
Hubaktuator (1) für Verbrennungsmotoren mit elektrischem Ventiltrieb, mit einem ersten Elektromagnet und einem zweiten Elektromagnet, die in einem Abstand voneinander angeordnet sind, und die jeweils ein Joch und eine daran angeordnete Spule aufweisen, einem Anker, der einen Ankerschaft (6,7) und eine Ankerplatte (8) aufweist, wobei die Ankerplatte (8) im Bereich zwischen den beiden Elektromagneten angeordnet ist und der Anker durch Bestromen eines der Elektromagneten in die eine bzw. die andere Richtung verschiebbar ist, wobei in mindestens einem der beiden Joche eine Gleitlagerführung vorgesehen ist, in welcher der Ankerschaft (6,7) geführt ist und einem Gehäuseteil (9,10), das einen der Elektromagneten zumindest teilweise umgibt. Das Gehäuseteil (9,10) und die Gleitlagerführung bestehen aus einem Gusswerkstoff, wobei die Gleitlagerführung integraler Bestandteil des Gehäuseteils ist.
摘要:
Elektromagnetische Stellvorrichtung mit einer in einem Gehäuse axial geführten, durch eine Bestromung einer Spulenvorrichtung und insbesondere gegen eine Rückstellkraft einer Rückstellfeder aus einer durch Mittel zur Hubbegrenzung bestimmten ersten Anschlagposition bewegbaren Ankereinheit, wobei die Mittel zur Hubbegrenzung ein endseitig im Gehäuse befestigtes, mittels eines Umform-, Stanz-, Sinter- und/oder Spritzverfahrens hergestelltes Anschlagelement aufweisen, welches zum Zusammenwirken mit einem gehäuseextern betätigbaren, zum mechanischen Bewegen des Ankers aus der ersten Anschlagposition eingerichteten Stößeleinheit ausgebildet ist.
摘要:
A solenoid operated valve has an operating rod (156) attached to the armature (154) with one end of the rod contacting the end of a valve member (114) for effecting movement thereof upon coil (138) energization. A lower bearing (134) is disposed in a lower flux collector (132) adjacent one end of the rod (156). An upper bearing surface (158) is disposed on an adjustment member (160) threadedly engaging an upper flux collector (148) with the armature return spring (164) between the armature (154) and upper bearing (158) for maximizing bearing separation and improving armature alignment and reducing hysteresis.
摘要:
A movable member of a control element is moved by a plunger (24) of a proportional solenoid (22). The proportional solenoid has a magnetic flux circuit including a low permeance isolation tube (62) surrounding the plunger, which enables removal of the coil (76) and frame (78) of the solenoid from the valve. The solenoid further includes a variable permeance flux washer (69) the flux through which varies with plunger position, which is disposed from a gap (82) which provides an area of magnetic saturation. The proportional solenoid produces force/displacement characteristics which enable precise control of the control element and accurate regulation of the refrigerant flow rate through the valve.
摘要:
A solenoid operated valve apparatus in which a solenoid device (2) includes an inner yoke (10), a plunger guide (11) disposed in the opposed relationship with the inner yoke (10), a plunger (13) movably accommodated in s space (12) formed between the inner yoke (10) and the plunger guide (11), a bobbin frame (16) disposed to surround the inner yoke (10) and said plunger guide (11), a coil (17) wound around the bobbin frame (16), and an outer yoke (19) disposed to surround the coil (17). The bobbin frame (16) is made of a polymeric material, and is adhered to the inner yoke and the plunger guide in a unitary structure.
摘要:
A linear electric motor comprises a hollow cylindrical frame 11 of magnetizable material, an elongated armature 20 provided with a permanent magnet 21 having a pair of magnetic poles 22, 23 supported for linear axial movement in the frame, and a stationary winding 30 circumposing the armature 20, the winding comprising a pair of coils 32, 33 wound on a pair of axially spaced bobbins 42, 43 secured to the frame. The bobbins supporting the coils are disposed adjacent to respective end portions 13, 14 of the frame serving as stationary poles. Each coil circumposes a respective pole piece secured to an end of the magnet 21 and each of the coils is disposed between one of the magnetic poles and the frame. Energization of the coils of the stationary winding exerts a force on the coils with respect to the armature resulting in linear motion of the armature.