Patent application number | Description | Published |
20080217185 | SYSTEM AND METHOD FOR PRODUCING COPPER POWER BY ELECTROWINNING IN A FLOW-THROUGH ELECTROWINNING CELL - This invention relates to a system and method for producing a metal powder product using conventional electrowinning chemistry (i.e., oxygen evolution at an anode) in a flow-through electrowinning cell. The present invention enables the production of high quality metal powders, including copper powder, from metal-containing solutions using conventional electrowinning processes and/or direct electrowinning. | 09-11-2008 |
20080257712 | APPARATUS FOR PRODUCING METAL POWDER BY ELECTROWINNING - This invention relates to an apparatus for producing a metal powder product using either conventional electrowinning or alternative anode reaction chemistries in a flow-through electrowinning cell. A new design for a flow-through electrowinning cell that employs both flow-through anodes and flow-through cathodes is described. The present invention enables the production of high quality metal powders, including copper powder, from metal-containing solutions using conventional electrowinning processes, direct electrowinning, or alternative anode reaction chemistry. | 10-23-2008 |
20090120789 | SYSTEM AND METHOD FOR PRODUCING METAL POWDER BY ELECTROWINNING - This invention relates to a system and method for producing a metal powder product using either conventional electrowinning or alternative anode reaction chemistries in a flow-through electrowinning cell. The present invention enables the production of high quality metal powders, including copper powder, from metal-containing solutions using conventional electrowinning processes, direct electrowinning, or alternative anode reaction chemistries. | 05-14-2009 |
20090145749 | SYSTEM AND METHOD FOR PRODUCING COPPER POWDER BY ELECTROWINNING USING THE FERROUS/FERRIC ANODE REACTION - The present invention relates, generally, to a method for electrowinning copper powder, and more particularly to a method for electrowinning copper powder from a copper-containing solution using the ferrous/ferric anode reaction. In accordance with various embodiments of the present invention, a process for producing copper powder by electrowinning employs alternative anode reaction technology, namely, the ferrous/ferric anode reaction, and enables the efficient and cost-effective production of copper powder at a total cell voltage of less than about 1.5 V and at current densities of greater than 50 A/ft | 06-11-2009 |
20100224484 | SYSTEM AND METHOD FOR PRODUCING COPPER POWDER BY ELECTROWINNING IN A FLOW-THROUGH ELECTROWINNING CELL - This invention relates to a system and method for producing a metal powder product using conventional electrowinning chemistry (i.e., oxygen evolution at an anode) in a flow-through electrowinning cell. The present invention enables the production of high quality metal powders, including copper powder, from metal-containing solutions using conventional electrowinning processes and/or direct electrowinning. | 09-09-2010 |
Patent application number | Description | Published |
20090200428 | CONTROL MOMENT GYROSCOPE - A control moment gyroscope (CMG) is provided for deployment on a spacecraft. The CMG includes an inner gimbal assembly (IGA), which, in turn, includes an IGA housing, a rotor rotatably coupled to the IGA housing, and a spin motor coupled to the IGA housing and configured to rotate the rotor about a spin axis. The CMG further comprises a stator assembly, which includes: (i) a stator assembly housing rotatably coupled to the IGA housing, and (ii) a torque module assembly coupled to the stator assembly housing and configured to rotate the IGA about a gimbal axis. A gimbal bearing is disposed between the IGA housing and the stator assembly housing. The gimbal bearing resides between the spin axis and the torque module assembly such that the distance between the gimbal bearing and the spin axis is less than the distance between the gimbal bearing and the torque module assembly. | 08-13-2009 |
20100000349 | CONTROL MOMENT GYROSCOPE - A control moment gyroscope (CMG) is provided for deployment on a spacecraft. The CMG includes a stator housing, an inner gimbal assembly disposed in the stator housing, and a torque motor coupled to the stator housing and at least partially disposed around an intermediate portion of the inner gimbal assembly. The torque motor is configured to rotate the inner gimbal assembly about a gimbal axis. | 01-07-2010 |
20110197683 | NON-CONTACT TORQUE DETERMINATION SYSTEM AND METHOD FOR A NON-MECHANICALLY COUPLED ROTATING SYSTEM - Methods and apparatus are provided for determining torque in an environmentally isolated system. A drive system is coupled to the environmentally isolated system via a non-contact, magnetic coupling that has a known angular stiffness and at least two coupling sections. A relative deflection of each coupling section is optically measured, and the torque is determined based on the relative deflection and the known angular stiffness. | 08-18-2011 |
20130305850 | CONTROL MOMENT GYROSCOPES INCLUDING ROTORS HAVING RADIALLY-COMPLIANT SPOKES AND METHODS FOR THE MANUFACTURE THEREOF - Embodiments of control moment gyroscopes (CMGs) are provided, as are embodiments of a method for fabricating CMGs. In one embodiment, a CMG includes a stator housing, an inner gimbal assembly (IGA), and a torque motor coupled to the stator housing and configured to rotate the IGA housing about a gimbal axis to selectively generate a desired output torque during operation of the CMG. The IGA includes, in turn, an IGA housing rotatably coupled to the stator housing, a CMG rotor rotatably mounted within the IGA housing, and a spin motor coupled to the IGA housing and configured to rotate the CMG rotor about a spin axis. The CMG rotor includes a rotor shaft, a rotor rim circumscribing the rotor shaft, and a plurality of radially-compliant spokes extending between the rotor shaft and the rotor rim. | 11-21-2013 |
20140026688 | CONTROL MOMENT GYROSCOPES INCLUDING TORSIONALLY-STIFF SPOKED ROTORS AND METHODS FOR THE MANUFACTURE THEREOF - Embodiments of control moment gyroscopes (CMGs) are provided, as are embodiments of a method for fabricating CMGs. In one embodiment, a CMG includes a stator housing, an inner gimbal assembly (IGA), and a torque motor coupled to the stator housing and configured to rotate the IGA housing about a gimbal axis to selectively generate a desired output torque during operation of the CMG. The IGA includes, in turn, an IGA support structure housing rotatably coupled to the stator housing, a monolithic CMG rotor rotatably mounted to the IGA support structure housing, and a spin motor coupled to the IGA support structure housing and configured to rotate the monolithic CMG rotor about a spin axis. | 01-30-2014 |
Patent application number | Description | Published |
20090063575 | SYSTEMS, METHODS AND COMPUTER PRODUCTS FOR DYNAMIC IMAGE CREATION FOR COPY SERVICE DATA REPLICATION MODELING - Modeling a set of images representing a group of data replication states and displaying, to a customer, the group of data replication states and generating the model that graphically displays a copy solution; including creating an image data modeling definition, where the image data modeling definition includes a definition of the set of images representing the group of data replication states. The method also includes creating a group of dynamic images, using the definition of the set of images representing the group of data replication states included in the image data modeling definition, where creating the group of dynamic images includes: specifying how to draw site and role specific parts of the group of dynamic images and specifying how to draw arrows that connect each role of the group of dynamic images. | 03-05-2009 |
20090132753 | REPLICATION MANAGEMENT SYSTEM AND METHOD WITH UNDO AND REDO CAPABILITIES - A method for replicating a volume of data including UNDO and REDO data replication commands includes identifying a current state of the database through a point in time (PIT) copy of all volumes to be affected, ensuring that enough storage volume is identified to carry out the point in time copies and if not, the appropriate user warning issued notifying the user that the UNDO or REDO functions will not be available for a particular session. | 05-21-2009 |
20100174774 | METHOD FOR SERVER-SIDE LOGGING OF CLIENT BROWSER STATE THROUGH MARKUP LANGUAGE - One aspect of the present invention includes capturing a client browser state and communicating this captured browser state within markup text for logging at a web server. In one embodiment, the contents of the DOM (Document Object Model) of a webpage accessed by a client are traversed and written as markup text in a string of characters, such as HTML. This markup, in addition to metadata specific to identify the browser display environment, is transmitted from the client to the server as text within a HTTP request. The server may then log the markup text and the metadata for later access. The logged markup text and the metadata can be used to recreate the exact display which occurred within the client browser, and therefore provide details useful for webpage problem determination, testing, and development. | 07-08-2010 |
20110154185 | METHOD FOR SERVER-SIDE LOGGING OF CLIENT BROWSER STATE THROUGH MARKUP LANGUAGE - One aspect of the present invention includes capturing a client browser state and communicating this captured browser state within markup text for logging at a web server. In one embodiment, the contents of the DOM (Document Object Model) of a webpage accessed by a client are traversed and written as markup text in a string of characters, such as HTML. This markup, in addition to metadata specific to identify the browser display environment, is transmitted from the client to the server as text within a HTTP request. The server may then log the markup text and the metadata for later access. The logged markup text and the metadata can be used to recreate the exact display which occurred within the client browser, and therefore provide details useful for webpage problem determination, testing, and development. | 06-23-2011 |
20130073950 | LOGGING BROWSER DATA - For logging browser data, the method compiles a string representing metadata of an operating environment for a browser displaying webpage content from a Web server. The method further compiles a Document Object Model (DOM) string representing at least one DOM element of the webpage content. In addition, the method logs the metadata string and the DOM string within a data store accessible by the web server. | 03-21-2013 |
Patent application number | Description | Published |
20110102055 | LOW-SIDE DRIVER HIGH-VOLTAGE TRANSIENT PROTECTION CIRCUIT - A low-side driver circuit includes a low-side driver integrated circuit and a controllable switch. The low-side driver integrated circuit is responsive to an on-off command input signal to selectively operate in an ON mode and an OFF mode. The controllable switch is responsive to the on-off command signal to selectively operate in a CLOSED mode and an OPEN mode. The low-side driver integrated circuit and the controllable switch are configured to simultaneously operate in the ON mode and the CLOSED mode, respectively, and in the OFF mode and the OPEN mode, respectively. During a voltage transient the potential will be realized across the controllable switch, thus protecting the lower voltage rated low-side integrated circuit. | 05-05-2011 |
20130063851 | APPARTUS AND METHOD FOR PROTECTING SIGNAL AND COMMUNICATION LINES FROM VERY HIGH VOLTAGE AND TRANSIENT PULSES - Apparatus for protecting a signal line bus driver from overvoltage faults may include a first solid-state switch configured to block current having a positive voltage when open and a second solid-state switch configured to block current having a negative voltage when open. A comparator circuit may produce a output signal responsively to presence of a fault-induced voltage in the signal line that has a magnitude that exceeds the reference voltage. The first and second switches may be connected in series with one another and with the bus driver. The switches may be interposed between the bus driver and an output end of the signal line and may responsively to the comparator circuit output signal. | 03-14-2013 |
20130229055 | SWITCHED TRANSIENT VOLTAGE SUPPRESSION CIRCUIT - A transient voltage suppression circuit includes a voltage suppression circuit, a switch activation circuit, and a solid-state switch. The switch activation circuit is configured to selectively supply a switch activation signal. The solid-state switch is electrically connected in series with the voltage suppression circuit, is coupled to receive the switch activation signal selectively supplied by the switch activation circuit, and is configured, in response to the switch activation signal, to switch from an OFF state to an ON state. | 09-05-2013 |