Patent application number | Description | Published |
20090179511 | Stators having female connectors and methods for forming female connectors integral with the stator winding conductors - Stators having female connectors and methods for forming female connectors integral with the stator winding conductors, thereby avoiding the necessity of use of a separate female connector. A typical connector in accordance with the present invention has a first length of the wire adjacent an end of the wire striped of insulation, and a second length of the wire adjacent the end not greater than the first length of wire being bent in a substantially closed loop, the loop preferably being pressed flat so as to have a thickness less than the wire. Also preferably the wire bends in a first direction and then bends in a circular arc to form the loop, the center of the loop being substantially aligned with a center of the wire. Various embodiments are disclosed as are exemplary simple methods for forming the female connector. | 07-16-2009 |
20090265909 | Method and apparatus for removing winding conductors from a twisting machine and placing them in a rotor or stator stack - Method and apparatus for removing winding conductors from a twisting machine and placing them in a rotor or stator stack. The method comprises, for removing from a twisting fixture and inserting into a rotor or stator, a plurality of rectangular winding conductors each having a pair of legs separated by an amount equal to the distance between a predetermined number of rotor or stator slots in which they will be inserted and integrally connected at one end thereof, moving a plurality of fingers of a clamping assembly between the legs of a plurality of winding conductors in a twisting fixture to retain the winding conductors, moving the clamping assembly away from the twisting fixture to withdraw the winding conductors from the twisting fixture, providing relative movement of the clamping assembly and a rotor or stator to insert free ends of the winding conductors into a rotor or stator, and moving the fingers of a clamping assembly from between the legs of a plurality of winding conductors. A preferred embodiment of the apparatus is also disclosed. | 10-29-2009 |
20090265914 | Method for inserting of preformed hairpin conductors into a rotor or stator - Method and apparatus for insertion of preformed rotor and stator conductors into a twisting machine for forming hairpin shaped conductors of rectangular wire into stator conductors. The method comprises providing a forming fixture having a plurality of pockets distributed in equal number in an even number of adjacent circles concentric with a center of the forming fixture, receiving hairpin conductors positioned side by side from a feeder and feeding the hairpins, one by one, into a hairpin insertion assembly oriented above the forming fixture so that the legs are side by side along a line passing through the center and disposed adjacent a pair of pockets in first and second adjacent circles, and with the forming fixture angularly indexed relative to the hairpin insertion assembly, pushing a hairpin conductor down so that the legs thereof extend into a respective pair of pockets, and indexing the forming fixture about the center to align an additional pair of pockets with a hairpin in the hairpin insertion assembly and repeating until the forming fixture is substantially populated with hairpin conductors. | 10-29-2009 |
20090302705 | Methods and apparatus for twisting rotor and stator conductor ends - Methods and apparatus for twisting rectangular rotor and stator conductor ends whereby most if not all conductor ends are bent at once, radially adjacent ends being bent in opposite directions. A lost motion member may be used to bend selected conductors through lesser angles for such purposes as phase interconnection and power leads. The rectangular conductors are retained against twisting so that flat conductors will bend about an axis perpendicular to the larger dimension of the conductor cross section. Various features of the methods and apparatus are disclosed. | 12-10-2009 |
20100038982 | Stators Having Female Connectors and Methods for Forming Female Connectors Integral with the Stator Winding Conductors - Stators having female connectors and methods for forming female connectors integral with the stator winding conductors, thereby avoiding the necessity of use of a separate female connector. A typical connector in accordance with the present invention has a first length of the wire adjacent an end of the wire striped of insulation, and a second length of the wire adjacent the end not greater than the first length of wire being bent in a substantially closed loop, the loop preferably being pressed flat so as to have a thickness less than the wire. Also preferably the wire bends in a first direction and then bends in a circular arc to form the loop, the center of the loop being substantially aligned with a center of the wire. Various embodiments are disclosed as are exemplary simple methods for forming the female connector. | 02-18-2010 |
20120248926 | Apparatus And Method For Making Pre-Shaped Insulating Sheets Intended To Be Inserted Into Stator Or Rotor Slots - Apparatus ( | 10-04-2012 |
20120324717 | METHOD AND APPARATUS FOR MAKING A STATOR FOR AN ELECTRIC MACHINE AND ELECTRIC MACHINE STATOR WITH HIGH FILL FACTOR | 12-27-2012 |
20130019463 | Apparatus And Method For Pre-Forming Electrical Bar Conductors, In Particular For Bar Windings of Electrical Machines - A pre-forming apparatus ( | 01-24-2013 |
20130025737 | Twisting Device Adapted To Simultaneously Twist A Plurality of Electric Bar Conductors For Making A Stator Or Rotor Winding For An Electric Machine And An Extractor Assembly Suitable For Cooperating With Said Twisting Device - A twisting device ( | 01-31-2013 |
20130031779 | Apparatus And Method For Stripping Electrical Bar Conductors, In Particular For Bar Windings of Electrical Machines - Stripping apparatus ( | 02-07-2013 |
20130104381 | Clamping System Of Special Conductors For A Stator Or Rotor Bar Winding For An Electric Machine | 05-02-2013 |
20130111737 | METHODS AND APPARATUS FOR TWISTING ROTOR AND STATOR CONDUCTOR ENDS - Methods and apparatus for twisting rectangular rotor and stator conductor ends whereby most if not all conductor ends are bent at once, radially adjacent ends being bent in opposite directions. A lost motion member may be used to bend selected conductors through lesser angles for such purposes as phase interconnection and power leads. The rectangular conductors are retained against twisting so that flat conductors will bend about an axis perpendicular to the larger dimension of the conductor cross section. Various features of the methods and apparatus are disclosed. | 05-09-2013 |
20130115029 | Apparatus And Method For Inserting Preformed Electrical Bar Conductors In A Twisting Device - An apparatus ( | 05-09-2013 |
20130118222 | Appparatus For Twisting Electrical Bar Conductors, In Particular For Bar Windings of Electrical Machines, With Conductor's Clamping System - A twisting apparatus ( | 05-16-2013 |
20130276295 | Method And Fixture For Twisting End Portions of Bar Conductors, In Particular For Bar Windings of Electric Machines - A twisting method ( | 10-24-2013 |
20140015366 | Method And Apparatus For Twisting Bar Conductors, In Particular For Bar Windings of Electric Machines | 01-16-2014 |
20140237811 | METHOD AND FIXTURE FOR TWISTING END PORTIONS OF BAR CONDUCTORS, IN PARTICULAR FOR BAR WINDINGS OF ELECTRIC MACHINES - A twisting method is described, for twisting free end portions of bar conductors for the stator or rotor bar winding of an electrical machine. The twisting method allows achieving a non uniform twisting of the bar conductors from the welding side of the stator or rotor core by means of a twisting fixture. The twisting fixture comprises a pocket member including a main structure provided with an arc of adjacent pockets and a secondary structure, provided with at least one further pocket, which can axially translate with respect to the main structure. | 08-28-2014 |
20150022038 | STATOR OR ROTOR OF AN ELECTRICAL MACHINE - The present technology contemplates a stator or rotor of an electric machine comprising a main cylindrical body with a circular array of slots; at least one bar winding comprising a first and second plurality of basic conductors and a second plurality of special conductors. The first and second circular array comprise a first and second arc of legs of the first and second set of said conductors which are inserted as well as legs of the conductors. The present technology also contemplates electric machines and electric or hybrid drive vehicles comprising such stators of rotors. | 01-22-2015 |
Patent application number | Description | Published |
20120217686 | COMPRESSION SENSITIVE SUSPENSION DAMPENING - A spring for a suspension is described. The spring includes: a spring chamber divided into at least a primary portion and a secondary portion, and a fluid flow path coupled with and between the primary portion and the secondary portion. The fluid flow path includes a bypass mechanism, wherein the bypass mechanism is configured for automatically providing resistance within the fluid flow path in response to a compressed condition of the suspension. | 08-30-2012 |
20130221713 | SEAT POST - A system including: a seat post; a user interface operatively connected with the seat post, the user interface configured for receiving instructions associated with a height of the seat post and for communicating received instructions to at least one controller coupled with a motive source of the seat post; and a valve assembly in communication with the motive source, the valve assembly regulating fluid flow within a variable finite positioning seat post height mode in response to a translation of the received instructions by the motive source. | 08-29-2013 |
20140239565 | COMPRESSION SENSITIVE SUSPENSION DAMPENING - A spring for a suspension is described. The spring includes: a spring chamber divided into at least a primary portion and a secondary portion, and a fluid flow path coupled with and between the primary portion and the secondary portion. The fluid flow path includes a bypass mechanism, wherein the bypass mechanism is configured for automatically providing resistance within the fluid flow path in response to a compressed condition of the suspension. | 08-28-2014 |
20150075930 | VEHICLE SUSPENSION DAMPER - A vehicle suspension damper for providing a variable damping rate. The vehicle suspension damper comprises a first damping mechanism having a variable first threshold pressure, a second damping mechanism having a second threshold pressure, and a compressible chamber in communication with a damping fluid chamber, wherein the second damping mechanism is responsive to a compression of said compressible chamber. | 03-19-2015 |