Patent application number | Description | Published |
20150016762 | METHOD FOR PRODUCING A ROLLING BEARING CAGE FOR AN AXIAL-RADIAL ROLLING BEARING AND AXIAL-RADIAL ROLLING BEARING - The invention relates to a method for producing a rolling bearing cage for a rolling bearing comprising at least one row of rolling elements. In the method according to the invention, a ring or a ring element made of a metallic solid material is provided and shaped by a forming process and/or a cutting, material-removing process into an annular or segmented main body of the rolling bearing cage. The main body has openings for receiving a respective rolling element, the main body being heated to a temperature above a minimum coating temperature for thermal coating with a thermoplastic material powder, wherein the main body is then immersed in a fluidized bed containing the thermoplastic material powder, wherein thermoplastic material powder adheres to the main body, melts and forms a contiguous coating while the main body is present in the fluidized bed, and wherein, after the coating, the main body is removed from the fluidized bed. The invention further relates to an axial-radial rolling bearing with the described rolling bearing cage. | 01-15-2015 |
20150024144 | PROCESS FOR PRODUCING A ROLLING BEARING CAGE, IN PARTICULAR FOR LARGE ROLLING BEARINGS, AND APPARATUS FOR CARRYING OUT THE PROCESS - The invention relates to a process for producing a rolling bearing cage, in particular for large rolling bearings, wherein a steel strip with openings for in each case one rolling body is provided and bent to form a ring, wherein, for thermal coating with a thermoplastic powder, the ring is then heated to a temperature above a minimum coating temperature, wherein the ring is then dipped into a fluidized bed comprising the thermoplastic powder, wherein, during the residence time of the ring in the fluidized bed, plastic powder adheres to the ring, melts and forms a continuous coating, and wherein the ring is removed from the fluidized bed after the coating. The invention also relates to an apparatus for carrying out the process. | 01-22-2015 |
Patent application number | Description | Published |
20110114086 | HEATING DEVICE - A heating device, including a gas or oil burner in a cylindrical combustion chamber radially bounded by a heat exchanger, at least one gap for the passage of heating gases through the heat exchanger into an exhaust-gas collection chamber, which is radially outside of the heat exchanger and has a surrounding shell having a connection nozzle for an exhaust gas line, a front cover element for accommodating the burner, a rear cover element as a closure for the combustion chamber, and supply/return connection nozzles. The present system is intended to optimize the heat exchanger so as to achieve the most compact possible dimensions and efficient heat transfer properties. The heat exchanger includes annularly configured heat exchanger tubes that are disposed in parallel to the longitudinal axis of combustion chamber, which each form an axially extending gap between two adjacent heat exchanger tubes for passing heating gases in the radial direction. | 05-19-2011 |
20120308942 | Oil burner, regulating device and regulating method therefor - A method for regulating a temperature of a combustion medium in a mixing zone of a burner and a method for regulating a burner, in particular an oil burner, a burner performance being modulated. A heating system including a burner, which includes a regulating device, and a regulating device for a burner, in particular an oil burner. The method/system is intended to provide as constant a temperature as possible in the mixing zone during the different operating modes and with changed burner performance. The combustion air flows through a first supply tract in a first operating mode and in adjustable proportions through the first and/or a second supply tract in a second operating mode, and the combustion air is supplied with heat via a heating element, which may be switched on and off, in the first supply tract, and with heat from a combustion zone in the second supply tract. | 12-06-2012 |
Patent application number | Description | Published |
20090114497 | Inflatable Tube For Coupling Component And Method For Making An Inflatable Tube - An inflatable coupling component tube for a fluid-operated brake or clutch includes an elongated, generally tubular-shaped structure of predetermined length having two ends and a joint between the two ends that closes the tube to form a generally toroidal-shaped cavity. A coupling component for a fluid-operated brake or clutch that includes an inflatable tube, and a method of making an inflatable coupling component tube are also disclosed. | 05-07-2009 |
20100283487 | SYSTEM AND METHOD FOR SENSING VOLTAGE IN MEDIUM-TO-HIGH VOLTAGE APPLICATIONS - A system and method for measuring voltage of a medium to high voltage line conductor is disclosed. The system includes an electrical insulator having a surface and an edge, the surface having an opening therein to allow passage of a line conductor therethrough in a direction generally perpendicular to the surface. The system also includes first and second electrodes positioned about the opening on the surface of the electrical insulator and spaced apart from one another to provide a common capacitive divider signal indicative of a voltage potential of the line conductor. | 11-11-2010 |
20110174781 | ARC CHAMBER EMPLOYING A NUMBER OF GASSING INSERTS TO FORM A NUMBER OF GAS FLOW CIRCULATION PATHS AND ELECTRICAL SWITCHING APPARATUS INCLUDING THE SAME - An electrical switching apparatus includes separable contacts, an operating mechanism structured to open and close the separable contacts, and an arc chamber. The arc chamber includes a slot motor having a core and a housing with an opening therein, an arc chute, and a number of gassing inserts disposed in the opening of the housing. The number of gassing inserts and the housing are structured to form a number of gas flow circulation paths. The number of gas flow circulation paths are structured to drive an arc into the arc chute. | 07-21-2011 |
20120098519 | SENSOR ASSEMBLY, TRIP UNIT INCLUDING THE SAME, AND METHOD OF MANUFACTURING A SENSOR ASSEMBLY - A sensor assembly includes an electrical conductor, at least one of a voltage sensor and a current sensor disposed about the electrical conductor, and a first insulator molded about the electrical conductor. The first insulator includes a plurality of structures structured to maintain concentricity between the electrical conductor and the at least one of the voltage sensor and the current sensor. A second insulator is molded about the first insulator and the at least one of the voltage sensor and the current sensor. | 04-26-2012 |
20130112655 | ELECTRICAL SWITCHING APPARATUS INCLUDING MAGNET ASSEMBLY AND FIRST AND SECOND ARC CHAMBERS - An electrical switching apparatus includes two arc runners, two contacts in electrical communication with the respective runners, a movable contact having two portions respectively cooperating with the contacts to provide closed and open contact positions, and two arc chambers each including two ends, a longitudinal axis therebetween, and arc plates between the ends. A magnet assembly cooperates with the arc chambers to establish a generally unidirectional magnetic field normal to the axes, normal to a first direction of a first arc between one contact and the first portion as it moves away from the closed toward the open contact position, and normal to an opposite second direction of a second arc between the other contact and the second portion as it moves away from the closed toward the open contact position. The magnetic field causes one arc to enter one arc chamber depending upon current flow direction between the contacts. | 05-09-2013 |
20140061160 | SINGLE DIRECT CURRENT ARC CHUTE, AND BI-DIRECTIONAL DIRECT CURRENT ELECTRICAL SWITCHING APPARATUS EMPLOYING THE SAME - A direct current arc chute includes a ferromagnetic base having first and second ends; first and second ferromagnetic side members disposed from the respective first and second ends; a third ferromagnetic member disposed from the base intermediate the side members and having an end portion opposite the base; and first and second magnets on the respective first and second members have a magnetic polarity facing the third member. A first arc chamber is between the first and third members; and a second arc chamber is between the second and third members. The first magnet and first member extend away from the first end and beyond the end portion, and toward the second magnet and second member after the end portion. The second magnet and second member extend away from the second end and beyond the end portion, and toward the first magnet and first member after the end portion. | 03-06-2014 |
20140307350 | Triggered Arc Flash Arrester and Shield Element For Use Therewith - An improved triggered arc flash arrester includes a shield apparatus disposed within an interior of an evacuated envelope and includes a first shield element and a second shield element. A plurality of conductors are partially disposed within the interior and are separated from one another by a gap. A first element of the shield apparatus is situated adjacent the envelope and is structured to protect the envelope from damage due to the high temperature plasma that results from an arc across the gap. A second element of the shield apparatus is interposed between the gap and at least a portion of the first element and is structured to protect the at least portion of the first element from damage due to an arc across the gap. | 10-16-2014 |