Patent application number | Description | Published |
20080283685 | System and Method for Externally Fastening Cables or Lines to a Brake Cylinder - A fastening device for externally fastening cables or lines to housings, especially to the housing of brake cylinders, includes a fastening pin that can be locked in a breather of the housing. A connecting channel is configured in the fastening pin via which channel, in the locked state, the interior of the housing communicates with the atmosphere. | 11-20-2008 |
20100007202 | Combined Service Brake and Spring Brake Cylinder Comprising a Connection Coupling for a Pressure Medium - A combined service brake and spring brake cylinder includes a service brake piston arranged in a service brake cylinder and actuated by a pressure medium, and a spring brake piston arranged in a spring brake cylinder and actuated by an accumulator spring. The spring brake piston is connected to a spring brake piston rod which extends through an opening of a partition separating the service brake cylinder and the spring brake cylinder. The partition is provided with a connection for a pressure medium, including a borehole for the supply and/or discharge of the pressure medium into or out of the service brake chamber or spring brake chamber. The connection for a pressure medium contains a separate coupling part held in the borehole and used for connection to a partner coupling part connected to a tube, a line, or a duct for a pressure medium such that the pressure medium is conducted through the elements. | 01-14-2010 |
20100037764 | Diaphragm for Pressure-Medium-Actuated Brake Cylinders with Centering Ring - A diaphragm for a pressure-medium-actuated brake cylinder includes a radially outer fastening edge for fixing the diaphragm to the brake cylinder. At least one centering ring, which extends in an axial direction and is offset radially inward in relation to the fastening edge, is formed on the diaphragm. Via the centering ring, the diaphragm can be centered against a radially inner peripheral surface of a wall of the brake cylinder. | 02-18-2010 |
20110209953 | Combined Service Brake and Spring Brake Cylinder with Sealing Assemblies Consisting of a Guide Ring and at Least One Sealing Element - A combined service brake and spring brake cylinder for vehicle brake systems, includes a service brake piston and a spring brake piston. A sealing assembly is located in a central bore of a partition and seals off the interior of the service brake cylinder from the interior of the spring brake cylinder. The radial outer peripheral surface of the spring brake piston has an additional sealing assembly for sealing off a spring chamber. At least one of the sealing assemblies contains a guide ring that guides the spring brake piston rod in the bore of the partition, or the spring brake piston in the spring brake cylinder. The guide ring consists of a more rigid material than that of at least one sealing element. The sealing element consists of an elastomer that is connected to the guide ring by original forming methods such as injection molding or transfer molding. | 09-01-2011 |
20110247907 | Automotive Brake Cylinder Comprising a Sealing System Which Tolerates Tilts of a Rigid Brake Piston - A brake cylinder includes a pressure medium actuated brake piston delimiting a brake chamber and connected to a brake piston rod. The brake piston, together with the piston rod, swivels into positions tilted from a center axis of the brake cylinder during an actuation stroke. The brake piston is rigid and has a guide surface in the shape of a spherical surface of an imaginary sphere on its radially outer peripheral surface. The guide surface is guided along a radially inner cylinder wall of the brake cylinder with the center of the sphere lying on the center axis of the brake cylinder. The brake piston further has at least one elastic sealing element radially displaceable in a radially outer annular groove of the brake piston and delimiting an annular space together with a groove base of the annular groove on its side facing away from the radially inner cylinder wall. The annular space is fluidically coupled to the brake chamber such that contact pressure of the outer diameter of the sealing element against the radially inner cylinder wall of the brake cylinder depends on the pressure in the brake chamber. | 10-13-2011 |
Patent application number | Description | Published |
20100097120 | Electronic Switching Device for High-Frequency Signals - The invention relates to an electronic switching device for high-frequency signals. The invention is of particular use in the connection between a microwave frequency antenna and an electronic circuit. This circuit comprises one or two access points designed to be connected to the antenna forming a third access point. In the case of a switch between one access point and the antenna (called an SPST switch), it comprises two switching diodes, one, called a serial diode, being connected in series between the access points and the other, called a shunt diode, between one of the access points and an earth of the device. According to the invention, a first transmission line is placed in series with the shunt diode, a second transmission line is placed in series with the serial diode, a third transmission line is placed at the common point of the first transmission line and of the shunt diode, a fourth transmission line is placed at the first access point, and a fifth transmission line is placed at the second access point. For a switch with three access points, two other diodes and four other transmission lines are added in a symmetrical manner relative to those already described. It is possible to obtain adapted lines having lengths much shorter than λ/4, which makes it possible to improve the compactness of the device while increasing its bandwidth. | 04-22-2010 |
20110215882 | Interconnect for High-Frequency Printed Circuit - The invention relates to a printed circuit for high-frequency signals, and more particularly to interconnect means between transmission lines situated on different faces of the printed circuit. According to the invention, in the vicinity of the interconnect means, the transmission lines each extend in a main direction. The interconnect means comprise two vias each extending along an axis. In a plane containing the main direction of a first of the transmission lines and perpendicular to the face bearing the first transmission line, an orthogonal fix is formed whose abscissa is borne by the main direction of the first transmission line. The abscissae of the axes of the vias or of their projection on the plane, perpendicularly to the plane, are separate. | 09-08-2011 |
20110217853 | Connection Device for High Frequency Signals Between a Connector and a Transmission Line - A connection device for high frequency signals includes a printed circuit on one external face of which is printed a transmission line and a coaxial connector surface mounted on the printed circuit on the external face. The invention is of particular use for the transmission of radiofrequency signals in the X band, in particular for frequencies from 9 to 10 GHz. The transmission line is connected to the connector by means of a bump contact belonging to the transmission line to which is attached a central core of the connector. The printed circuit comprises at least one internal ground plane parallel to the external face and contributing to the matching of the transmission line. The invention aims to improve the transparency of the transition between the connector and the transmission line. According to the invention, the internal ground plane is perforated by means of a resist facing the bump contact. | 09-08-2011 |
20120112967 | DUAL FIN ANTENNA - The invention relates to a broadband antenna, including: a floorplan (P | 05-10-2012 |