Heraeus Electro-nite International N.v.

Otto Pfannenberg Elektro-spezial-geratebau Gmbh

Frank Schlag

Karlheinz Wienand

Gerhard Damaschke

Bernd Glashoff

An easy to manufacture temperature sensor has a measuring resistor with a substrate having an electrically insulating surface and a resistance layer situated thereon. The measuring resistor is surrounded by a casing of temperature-stable plastic, which serves as a primary housing, which together with the embedded measuring resistor is surrounded by an additional plastic extrusion coating as an outer housing, wherein the leads of the measuring resistor are passed through the primary housing and the plastic extrusion coating to the outside. The measuring resistor is suited for use in durable consumer goods, as for example washing machines, dryers and motor vehicles.

Temperature sensor with measuring resistor

A printed circuit board with at least one component part as a measuring resistor, heat resistor or measuring electrode arrangement has at least two contact pads connected with conductor paths for electrical and mechanically fast connection with lead ends of a jacketed connection cable stripped of their insulation, wherein the cable end with its outer jacket is positionable in a mounting element arranged immovably in relation to the printed circuit board at a distance from the contact pad of the conductor path. In a preferred embodiment, the mounting element has channel-shaped recesses for clamp fastening of the lead jacket, which is arranged with its lead exit area adjacent to a respective contact pad of the printed circuit board.

Process for manufacturing printed circuit boards and process for connecting wires thereto

The filtering ventilator (100) to be installed into the wall of a switch cabinet, in which case the mounting wall (80) is provided with a cutout (81) for the filtering ventilator (100), in which the filtering ventilator is retained and secured, which is comprised of a frame-like basic housing (10) possessing a lattice bottom (10a), a filter mat (60) inserted into the covering housing (30) mounted upon the basic housing (10) and covering the filter mat (60) and a fan motor (71) secured on the basic housing, wherein the basic housing (10), on its circumference, is provided with a screwless rapid fastening device (50) for mounting the filtering ventilator (100) in the cutout (81) of the mounting wall (80), the filtering ventilator being installable so as to be RF-shielded, is provided with a metal insert (200) connected to the basic housing (10), which is comprised of a frame (201) with a lattice bottom (202) and which is connected with the aid of screwing, riveting or clamping means to the basic housing (10) (FIG. 1).

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Hamburg, Germany

Frank Schlag