Patent application number | Description | Published |
20110012339 | Push Lock Pipe Connection System and Disconnection Tool - A disconnection tool and system for disconnecting pipes which are connected through the connection system disclosed in application Ser. No. 12/365,000 and/or connections systems similar thereto. The disconnection tool of the present invention positions around a male end of a male pipe that is within a female end of a female pipe. The male end is locked within the female end with one or more locking members extending across a clearance that exists between the interior surface of the female end and the exterior surface of the male end. The one or more locking members engage both the male end of the male pipe and the female end of the female pipe. The disconnection tool has an insertion member that inserts into the clearance and disengages the one or more locking members from the male end of the male pipe or the female end of the female pipe. | 01-20-2011 |
20110056526 | VALVELESS INTAKE SCREEN AIRBURST SYSTEM - A method and apparatus for a backwash system for cleaning an underwater intake filter assembly. The backwash system includes an underwater tank coupled on one end to a source of compressed fluid and on the other end to the intake screen assembly. The backwash system includes a U-shaped release conduit that is adapted to release a predetermined quantity of fluid to the intake screen in order to clean the filter assembly of waterborne debris. | 03-10-2011 |
20140076796 | VARIABLE GEOMETRY CENTRIFUGAL BASKET - A screen assembly including at least upper and lower portions each with screen elements having different orientations. The upper portion includes a first plurality of screen elements and the lower portion includes a second plurality of screen elements. The upper and lower portions are coupled together to form a truncated conical arrangement. At least one screen element of the first plurality of screen elements has a different angular orientation relative to a plane that is perpendicular to the central longitudinal axis than at least one screen element of the second plurality of screen elements has relative to the plane. In some such embodiments, the screen elements of the second plurality of screen elements are each oriented to be in a respective plane that is substantially perpendicular to the central longitudinal axis. The screen assembly may be configured to separate a liquid component and a solid component from a slurry. | 03-20-2014 |
20140209530 | SIEVE BOX AND ADJUSTABLE NOZZLE ASSEMBLY - An adjustable nozzle assembly for a sieve box and a sieve box including same, including a support assembly and nozzles. A pair of elongated support members may be received through openings in support collars. Nozzles may be operatively connected to the collars. The support assembly, which may include collars and rods, are configured to provide at least one of lateral movement and rotational movement of the nozzles. At least one of the first elongated support member and the second elongated support member may be configured to move when coupled to the sieve box to adjust a spray angle of the nozzles. Pivoting of the one rod about the other rod adjusts the angle at which the nozzles are disposed. The rods may be externally threaded, and the collars may be internally threaded, such that when the rods are rotated, the collars translate laterally along the rods to move the nozzles. | 07-31-2014 |
Patent application number | Description | Published |
20110025124 | BI-DIRECTIONAL BATTERY VOLTAGE CONVERTER - A battery module for use with a vehicle electrical system. The battery module includes a bi-directional battery voltage converter, a first battery, and a second battery. A first relay selectively connects the first battery to the bi-directional battery voltage converter. A second relay selectively connecting the second battery to the bi-directional battery voltage converter. A controller selectively energizes the first relay, selectively energizes the second relay, and controls a direction of current through the bi-directional battery voltage converter. | 02-03-2011 |
20110025125 | BI-DIRECTIONAL BATTERY VOLTAGE CONVERTER - A method of balancing current in a vehicle electric system having a system bus, a first battery, a first bi-directional battery voltage converter selectively transferring a first current between the first battery and the system bus, a second battery, a second bi-directional battery voltage converter selectively transferring a second current between the second battery and the system bus, and a controller controlling the first bi-directional battery voltage converter and the second bi-directional battery voltage converter. The method includes sensing the first current and sensing the second current. The first bi-directional battery voltage converter and the second bi-directional battery voltage converter are controlled so that the first current and the second current are equal portions of a load current supplied to an electrical load connected to the system bus. | 02-03-2011 |
20110025126 | BI-DIRECTIONAL BATTERY VOLTAGE CONVERTER - A method of charging batteries in a vehicle electrical system having a system bus, a first switch selectively connecting a first battery with the system bus, a second switch selectively connecting a second battery with the system bus, and a controller monitoring a voltage of the vehicle electrical system and controllably opening and closing the first switch and the second switch. The method includes closing the first switch and opening the first switch if the voltage of the vehicle electrical system traverses a threshold value. The method also includes closing the second switch and opening the second switch if the voltage of the vehicle electrical system traverses the threshold value. | 02-03-2011 |
20130221897 | BI-DIRECTIONAL BATTERY VOLTAGE CONVERTER - A battery module for use with a vehicle electrical system. The battery module includes a bi-directional battery voltage converter, a first battery, and a second battery. A first relay selectively connects the first battery to the bi-directional battery voltage converter. A second relay selectively connecting the second battery to the bi-directional battery voltage converter. A controller selectively energizes the first relay, selectively energizes the second relay, and controls a direction of current through the bi-directional battery voltage converter. | 08-29-2013 |
20130334878 | BI-DIRECTIONAL BATTERY VOLTAGE CONVERTER - A method of balancing current in a vehicle electric system having a system bus, a first battery, a first bi-directional battery voltage converter selectively transferring a first current between the first battery and the system bus, a second battery, a second bi-directional battery voltage converter selectively transferring a second current between the second battery and the system bus, and a controller controlling the first bi-directional battery voltage converter and the second bi-directional battery voltage converter. The method includes sensing the first current and sensing the second current. The first bi-directional battery voltage converter and the second bi-directional battery voltage converter are controlled so that the first current and the second current are equal portions of a load current supplied to an electrical load connected to the system bus. | 12-19-2013 |
Patent application number | Description | Published |
20100137963 | METHOD FOR FABRICATION OF LOW-POLARIZATION IMPLANTABLE STIMULATION ELECTRODE - A method for fabricating an implantable medical electrode includes roughening the electrode substrate, applying an adhesion layer, and depositing a valve metal oxide coating over the adhesion layer under conditions optimized to minimize electrode impedance and post-pulse polarization. The electrode substrate may be a variety of electrode metals or alloys including titanium, platinum, platinum-iridium, or niobium. The adhesion layer may be formed of titanium or zirconium. The valve metal oxide coating is a ruthenium oxide coating sputtered onto the adhesion layer under controlled target power, sputtering pressure, and sputter gas ratio setting optimized to minimize electrode impedance and post-pulse polarization. | 06-03-2010 |
20100298901 | IMPLANTABLE MEDICAL DEVICE FOR CARDIAC ELECTRICAL STIMULATION - A method and apparatus for reducing a patient's heart rate or blood pressure. The apparatus provides stimulation to the patient's atrial and/or nodal tissue within the associated refractory period of the ventricle but outside of an associated refractory period of the stimulated atrial an/or nodal tissue, responsive to detecting an occurrence of a ventricular depolarization following a preceding atrial depolarization. | 11-25-2010 |
20100324643 | Medical Devices Incorporating Carbon Nanotube Material and Methods of Fabricating Same - The present invention relates generally to medical devices; in particular and without limitation, to unique electrodes and/or electrical lead assemblies for stimulating cardiac tissue, muscle tissue, neurological tissue, brain tissue and/or organ tissue; to electrophysiology mapping and ablation catheters for monitoring and selectively altering physiologic conduction pathways; and, wherein said electrodes, lead assemblies and catheters optionally include fluid irrigation conduit(s) for providing therapeutic and/or performance enhancing materials to adjacent biological tissue, and wherein each said device is coupled to or incorporates nanotube structures or materials therein. The present invention also provides methods for fabricating, deploying, and operating such medical devices. | 12-23-2010 |
20120109237 | SUPRAVENTRICULAR STIMULATION TO CONTROL VENTRICULAR RATE - Various techniques for delivering atrial pacing and supraventricular stimulation to achieve a desired ventricular rate and/or cardiac output are described. One example method described includes delivering a pacing signal configured to cause an atrial depolarization to a heart of a patient, wherein the atrial depolarization results in an associated refractory period during the cardiac cycle, and delivering a signal to a supraventricular portion of the heart of the patient subsequent to the atrial refractory period and during a ventricular refractory period of the cardiac cycle. | 05-03-2012 |
20120232605 | USING FOCAL MYOCARDIAL STIMULATION TO DISTINGUISH SUPRAVENTRICULAR TACHYCARDIA FROM VENTRICULAR TACHYCARDIA - An apparatus and method to discriminate cardiac events by sensing atrial and ventricular depolarizations having associated refractory periods thereafter. A fast ventricular rate is detected in response to the sensed ventricular depolarizations. Responsive to detecting the fast ventricular rate, at least one stimulus pulse is delivered to atrial tissue within the associated refractory period of the ventricle but outside of an associated refractory period of the stimulated atrial tissue. A ventricular response to the atrial tissue stimulus pulse is determined, and the cardiac event is discriminated based on the ventricular response to the atrial tissue stimulus pulse. | 09-13-2012 |
20120232606 | USING FOCAL MYOCARDIAL STIMULATION TO DISTINGUISH SUPRAVENTRICULAR TACHYCARDIA FROM VENTRICULAR TACHYCARDIA - An apparatus and method to discriminate cardiac events by sensing atrial and ventricular depolarizations having associated refractory periods thereafter. A fast ventricular rate is detected in response to the sensed ventricular depolarizations. Responsive to detecting the fast ventricular rate, at least one stimulus pulse is delivered to atrial tissue within the associated refractory period of the ventricle but outside of an associated refractory period of the stimulated atrial tissue. A ventricular response to the atrial tissue stimulus pulse is determined, and the cardiac event is discriminated based on the ventricular response to the atrial tissue stimulus pulse. | 09-13-2012 |