摘要:
The invention relates to novel erythromycin derivatives, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as the salts are useful as antibacterials.
摘要:
For a power assisted steering system for vehicles, in particular passenger cars, there is provided a hydraulic circuit with a servopump, a three-way flow regulator valve which is located at the junction between the pump and a servoactuator and has a measuring throttle, located in the inflow to the servoactuator, as a fixed throttle and an outflow throttle which is located in a bypass of the latter and which determines a variable throttle cross section by means of a piston which is charged alternately as a pressure compensator. The piston, which is charged via an active actuator element, changes the outflow throttle cross section as a function of the current applied in order to change the volume flow which passes via the measuring throttle.
摘要:
A rack for a switch cabinet, having frame pieces which in the floor area of the switch cabinet form a base frame surrounding an opening which can be closed by base panels. The base frame can be or is connected to a base. By simple, lengthened U-profile frame sections and corner elements configured as bent, cut pieces, a simple, economical base frame for the rack is created which requires little space and can be used for fastening the base panels directly without the need for additional structured supporting shapes.
摘要:
A device for vacuum coating bulk material includes a rotating holder for accommodating the bulk material, a plasma coating source arranged within the rotating holder, as well as a device, arranged within the rotating holder, for cleaning the bulk material using plasma. During the coating process, the rotational speed of the rotating holder is less than the speed necessary for producing a centrifugal force for fixing the bulk material against the inner wall of the rotating holder. The plasma coating source and the plasma cleaning device are arranged in such a way that their spheres of action overlap.
摘要:
A rack for a switching cabinet which can be enclosed by side walls, at least one door and a cover and comprises a lower and upper frame which can be connected by frame profiles running vertically. The upper frame has vertical and horizontal struts running horizontally. The vertical and lateral struts include channels where water that runs off from the cover can be collected and drained. Water can then be drained off from the corner areas of the upper frame in a controlled manner if the outlet channels of adjacent vertical and horizontal struts are brought together and fed to a flume of the vertical frame piece.
摘要:
An inclination adapter for a support arm system, the adapter having a base part with an adjusting spindle and an inclination member, the base part and the inclination member pivotably connected to each other and the pivot movement performed via a coupling member which can be adjusted by the adjusting spindle. An inclination adapter which is sufficiently stable for a support arm system and has simple parts is produced because the base part and the inclination member comprise connection plates with central openings. Coupled spaced-apart, mutually facing bearing bars are integrally formed on the base part and the inclination member, respectively, and mounted to be pivotable parallel to the connection plates via the base part and the inclination member. The adjusting spindle is guided by a cam, which has a circular cross-section and is part of the coupling member, in a guide slot in a bearing bar of the inclination member, and the guide slot is in the region of the bearing bar which extends beyond the pivot mounting.
摘要:
A bracket for a suspension system for control units, control panels and the like, including a support body portion, having a substantially U-shaped base profile portion that is subdivided, by means of a separation rib extending parallel to its rib, into a closed supporting part and an open, U-shaped receiving part remote from the rib, in which continuous, longitudinally oriented screw receptacles are formed on the support part and the receiving part. To improve the torsional rigidity of the bracket and the entire suspension arrangement, the support part is stiffened in the longitudinal direction of the support body portion by means of two continuous diagonal ribs, which are joined together in the middle, and the screw receptacles of the support part are constructed in the corner regions that the diagonal ribs form with the base profile section.
摘要:
A magazine is described which requires only a small surface area for its accommodation and which nevertheless holds a large number of tools. The magazine includes carrier units which are arranged in tower-like manner above one another and which are provided with a central cut-out and inwardly disposed tool mounts. This tower-like magazine is transportable and associated with a spatially fixed transport means which can be introduced into the central cut-out and which can transport the respective tools to a tool transfer position by short stroke and pivotal movements. Other magazine constructions are also described in the form of racks and towers.