Abstract: The present invention relates to a power capacitor (1) for the installation in a motor vehicle, comprising a capacitor unit (2) with at least one first and at least one second capacitor element (3, 4) whereby each capacitor element comprises at least two rolled-up plastic films that are provided with metal layers and are provided with metal-free edge strips on mutually opposite lying longitudinal sides, a circuit connection unit (5) and a housing (12), whereby the capacitor elements (3, 4) are circuit-connected in parallel by means of the circuit connection unit (5).

Abstract: A power module includes at least one carrier body for mounting at least one power component thereon, and at least one energy storage component. For this purpose, a hybrid circuit is arranged as a thick film circuit on at least one of the carrier bodies, and the hybrid circuit includes at least one thick film resistor as a discharging resistor for discharging the at least one energy storage component. The power module is adapted for use as a power converter for electric motors.

Abstract: Proposed is a simple, economical construction, which ensures a reliable operation, of the power module comprising at least one carrier body for mounting at least one power component. For this purpose, a hybrid circuit is arranged as a thick film circuit on at least one of the carrier bodies, and the hybrid circuit comprises at least one thick film resistor as a discharging resistor for discharging at least one component provided as an energy store. Power module as a power converter for electric motors.

Abstract: The reactor has a reactor chamber bounded by a peripheral wall, and the reactor chamber is subdivided by an upright partition wall into an inlet chamber and an outlet chamber. The partition wall extends transversely of the chamber and has free ends each of which is spaced from a juxtaposed portion of the peripheral wall by a distance equal to between substantially 10-30% of the cross-sectional dimension of the reactor chamber in a plane connecting these juxtaposed wall portions. The partition wall is laterally offset by between substantially 10 - 30% of the diameter of the chamber in the direction of offset so that the inlet chamber is larger than the outlet chamber.

Abstract: Processes for the continuous production of aromatic carboxylic acids by reaction of nitric acid with an aromatic compound having an oxidizable alkyl or alkoxyalkyl substitutent which comprise mixing the aromatic compound in the form of small droplets with a large volume of dilute nitric acid having a concentration between 2 and 14% by weight of nitric acid that is maintained at a superatmospheric pressure between 15 and 80 atmospheres and at a temperature between 160.degree. and 230.degree.