Johnson Electric Dresden Gmbh

Siemens Aktiengesellschaft

Lange Uhren Gmbh

Jörg Gassmann

Matthias Kulke

Marcus Herrmann

Steffen Schnitter

Thomas Müller

Lutz Grossman

Ronny Keil

Bistable high-performance miniature relay, comprising an insulating housing having a first housing chamber () with a single-phase contact assembly () with two current bars () and a contact spring (). The contact spring () being permanently connected with one leg end a current bar (). In a second housing chamber (), a bistable magnetic actuator assembly () with a pivotable armature () is placed. The contact assembly () and the actuator assembly () are located in one or two planes in the insulation material housing, the contact assembly () is provided with a multiplate contact spring () bent U-shaped to a current loop, and the actuator assembly () is provided with a one-part U-shaped yoke () with an excitation coil () per yoke leg and a yoke central leg (), borne by a flat permanent magnet, supporting a rocker armature () formed in a slightly V-shaped.

Bistable high-performance miniature relay

At least one embodiment of the invention relates to a tripping apparatus, particularly for circuit breakers, which includes at least one controllable tripping magnet having an armature that is operatively connected to a downstream tripping gear, which engages in a tripping mechanism that acts on the circuit breaker and is coupled to a preloaded spring serving as a force amplifier. According to at least one embodiment of the invention, the tripping mechanism includes a camshaft having a plurality of cam lobes, wherein at least one actuating device is associated with each cam lobe having an offset rotational angle, and wherein, when tripped, at least two actuating processes associated with the respective actuating means take place consecutively, so that the full spring force is transmitted by way of the camshaft to at least one of said actuating means so as to perform the relevant actuating process.

Tripping apparatus, particularly for circuit breakers

In a bistable magnetic actuator with a polarized magnetic circuit with parallel operating air gaps, wherein between the outer legs of a U-shaped soft-iron yoke a flat permanent magnet is integrated that carries a soft-iron center leg and applies a permanent-magnetically created magnetic flux to a rocking armature supported on the center leg, wherein at each outer leg a separately controllable excitation winding provides swiveling pulses for the rocking armature to swivel from one permanent-magnetically self-holding swivel position into the other, the permanent-magnetically created magnetic flux through the magnetic circuit closed over the rocking armature in each case for an electromagnetic magnetic flux created by the excitation winding of said magnetic circuit in a direction opposed to the permanent-magnetically created magnetic flux commutates into the other parallel magnetic circuit with the electromagnetically not excited excitation winding, swiveling over the rocking armature.

Bistable magnetic actuators

A regulatorless oscillating system for a watch includes a spiral balance spring having an inner fastening point attached to a collet which can be connected to a balance staff, an outer fastening point connected to a balance spring stud, and an end region adjacent to the stud. The end region is held so that it can be adjustably positioned in a plane which is perpendicular to the balance staff, thereby decentralizing the balance spring in order to compensate for isochronism errors.

Growing community of inventors

Dresden, Germany

Jörg Gassmann