Patent application number | Description | Published |
20090000290 | Energy recovery system - An energy recovery system for a machine is disclosed. The energy recovery system may have a pump configured to provide a flow of pressurized fluid. The energy recovery system may also have a first fluid actuator with a first chamber and a second chamber and being configured to receive the pressurized fluid, a second fluid actuator with a third chamber and a fourth chamber and being configured to receive the pressurized fluid, and a first valve fluidly connected between the pump and the first and second actuators. The energy recovery system may additionally include an isolation unit with a first selectively restrictable passageway fluidly connecting the first chamber, the third chamber, and a first outlet of the first valve, and a second selectively restrictable passageway fluidly connecting the second chamber, the fourth chamber, and a second outlet of the first valve, as well as an energy recovery unit in fluid communication with the isolation unit. The isolation unit may be configured to direct a flow of pressurized fluid from the second actuator to the energy recovery unit. The energy recovery unit may be configured to convert the flow of pressurized fluid to a first mechanical power output. | 01-01-2009 |
20090031891 | Hydraulic circuit for rapid bucket shake out - A hydraulic circuit is disclosed. The hydraulic circuit may have a variable displacement pump. The variable displacement pump may have a fluidic displacement control configured to vary a flow of pressurized fluid based on a fluid signal and an electronic displacement control configured to vary the flow of pressurized fluid based on an electronic signal. The flow of pressurized fluid may be controlled by the one of the fluidic and electronic displacement controls that requests the smallest flow of pressurized fluid. The hydraulic circuit may also have a control valve connected between the pump and the fluidic displacement control, and the control valve may be configured to transmit the fluid signal to the fluidic displacement control. The hydraulic circuit may further have a controller configured to transmit a fluid signal to cause the fluidic control to request a maximum flow of pressurized fluid, and transmit an electronic signal requesting a flow smaller than the maximum flow, which causes the electronic displacement control to vary the flow of pressurized fluid. | 02-05-2009 |
20090056322 | SYSTEM AND METHOD FOR RAPIDLY SHAKING AN IMPLEMENT OF A MACHINE - A fluid system for use with a machine that employs an actuator, that provides for rapid shaking of an implement. The fluid system includes a source for providing fluid flow to the actuator and an operator input device for enabling an operator to control the movement of the implement by inputting a plurality of commands that specify movement of the implement. A controller is provided for monitoring the commands received from the operator input device and entering a mode for controlling the displacement of the source when the controller detects a pattern of commands that indicates an operator-request for rapid movement of the implement. | 03-05-2009 |
20100154403 | System and method for operating a variable displacement hydraulic pump - A control for a variable displacement pump disposed in a hydraulic system obtains a requested signal from a manual control device and provides a command signal to a valve operating to adjust a displacement setting of the variable displacement pump. The control provides the command signal based on the requested signal, and scales the requested signal based on a sensed or calculated load of the system. | 06-24-2010 |
20110289908 | HYDRAULIC SYSTEM HAVING IMPLEMENT AND STEERING FLOW SHARING - A hydraulic system for a machine is disclosed. The hydraulic system may have a first pump with variable displacement and being load-sense controlled, and a first hydraulic circuit associated with the first pump. The hydraulic system may also have a second pump with variable displacement and being electro-hydraulically controlled, and a second hydraulic circuit associated with the second pump. The hydraulic system may further have a flow-sharing valve arrangement configured to selectively share fluid flow between the first and second hydraulic circuits. | 12-01-2011 |
20120216517 | HYDRAULIC CONTROL SYSTEM HAVING CYLINDER STALL STRATEGY - A hydraulic control system for a machine is disclosed. The hydraulic control system may have a hydraulic circuit, a pump configured to supply pressurized fluid, and a first sensor configured to generate a first signal indicative of a pressure of the hydraulic circuit. The hydraulic circuit may also have a first fluid actuator fluidly connected to receive pressurized fluid from the hydraulic circuit, a second sensor configured to generate a second signal indicative of a velocity of the first fluid actuator, and a controller in communication with the first and second sensors. The controller may be configured to receive an input indicative of a desired flow rate for the first fluid actuator, to determine an actual flow rate of the first fluid actuator based on the second signal, and to determine a stall condition of the first fluid actuator based on the desired flow rate, the actual flow rate, and the first signal. | 08-30-2012 |
20120216518 | HYDRAULIC CONTROL SYSTEM HAVING CYLINDER STALL STRATEGY - A hydraulic control system for a machine is disclosed. The hydraulic control system may have a hydraulic circuit, and a pump configured to supply pressurized fluid to the hydraulic circuit. The hydraulic control system may also have a first fluid actuator fluidly connected to receive pressurized fluid from the hydraulic circuit, a first valve arrangement movable to control a flow of fluid to the first fluid actuator, a second fluid actuator fluidly connected to receive pressurized fluid from the hydraulic circuit, and a second valve arrangement movable to control a flow of fluid to the second fluid actuator. The hydraulic control system may additionally have a controller in communication with the first and second valve arrangements. the controller may be configured to make a determination of a stall condition of the first fluid actuator, and to selectively change a flow command directed to the second valve arrangement based on the determination. | 08-30-2012 |
20120285158 | PRESSURE LIMITING IN HYDRAULIC SYSTEMS - This disclosure provides for pressure limiting a hydraulic system to a desired pressure value by a particular circuit by controlling and closing the compensator when the desired pressure setting is achieved. Closing the compensator will reduced the pressure head and flow in the circuit resulting in improved efficiency. One illustrated embodiment of the disclosure provides a relief valve in the pilot signal for a compensator. The method relates to limiting the pressure on an open side of the compensator, such that the pressure on the other side closes the compensator thereby limiting the pressure and also flow in the hydraulic circuit. In other words, the pressure on the open side is limited by the relief valve. Thus, the pressure on the other side increases thereby regulating the flow and pressure through the compensator. | 11-15-2012 |
20140129035 | Excess Flow Control Valve Calibration Method - A computer-based method for calibrating a solenoid-controlled excess flow control valve that couples a first hydraulic circuit to a second hydraulic circuit is provided. The method includes determining a start-of-flow current at which hydraulic fluid begins to flow, closing the valve, sending an actuator command to the second hydraulic circuit, determining a first flow through the hydraulic actuator, opening the valve by setting the solenoid current to a calibration-flow current, sending the actuator command to the second hydraulic circuit, determining a second flow through the hydraulic actuator, calculating a flow difference, determining a calibration-flow valve command associated with the flow difference, determining a maximum-flow current based on the start-of-flow current, the calibration flow current, and the calibration-flow valve command, and creating a valve calibration table based on the start-of-flow current, the maximum-flow current and a valve response table. | 05-08-2014 |
Patent application number | Description | Published |
20130018146 | LOW-VISCOSITY URETHANE SYSTEM - A two-component urethane system. The first component is a hydroxy-terminated polyester polyol containing polymerized residues of phthalic acid and an aliphatic diol having M | 01-17-2013 |
20130018152 | FLOW ADDITIVE FOR URETHANE SYSTEM - A method for improving flow of a two-component urethane system by adding a hydroxy-functional acrylic polymer. | 01-17-2013 |
20130150534 | ISOCYANATE-TERMINATED PREPOLYMER - An isocyanate-terminated prepolymer having three components. The first component is 30-60 wt % polymerized residues of a first polyol containing a substituent of formula (I) | 06-13-2013 |
20150183193 | Modified Ethylene-Based Films to Promote Isocyanate Chemical Reactions in Polyurethane Laminting Adhesives - In the construction of a multilayer film in which an ethylene-based polymer layer is joined to one another layer by a polyurethane (PU) adhesive, the rate of cure and the degree of cure of the PU adhesive are accelerated by incorporating into the ethylene-based polymer layer a functional compound with active hydrogens, e.g., a polyol, and/or a cure catalyst, e.g., an amine, zinc or tin-based compound. The catalyst and reactive functionality may be present on the same molecule (e.g. alkoxylated amine or zinc ricinoleate). The catalyst and isocyanate reactive compound will migrate into the PU adhesive over time and accelerate the rate and promote the degree of PU adhesive cure, and the functional compound will promote the migration of the cure catalyst into the PU adhesive. In turn, this accelerated cure inhibits the migration of residual, monomeric amines from the PU adhesive into and through the ethylene-based polymer. | 07-02-2015 |
20150224747 | Film Barrier to Isocyanate Monomer Migration - The invention provides a multilayer film comprising at least two layers A1 and B: A1. a first film layer A1 formed from a composition A1 comprising at least one of the following: an hydroxyl (OH) functionalized ethylene-based polymer and/or a amine-functionalized ethylene-based polymer; and B. a second film layer B formed from a composition B comprising at least one isocyanate. The invention also provides a multilayer film comprising at least two layers A2 and B: A2. A first film layer A2 formed from a composition A2 comprising an anhydride functionalized ethylene-based polymer; and B. A second film layer B formed from a composition B comprising at least one isocyanate. | 08-13-2015 |
20150240022 | CURING OF AROMATIC CARBODIIMIDES - A method for polymerizing an aromatic multi-functional carbodiimide by contacting the aromatic multi-functional carbodiimide with a carboxylic acid salt at a temperature from 15° C. to 90° C. | 08-27-2015 |
Patent application number | Description | Published |
20110028129 | Proximity Triggered Profile-Based Wireless Matching - A match-making system allows users possessing mobile communications devices such as cell phones and/or PDAs to be alerted to the proximity of other users that may be a romantic, professional or other “match” to the user of interest based on a comparison of profile properties. The system may operate via a near-field radio-frequency system such as Bluetooth or a cellular or other relatively far-field wireless system, or a combination of the two in a complimentary manner. The disclosed system also allows a connection between the users to be made if desired by both users, and otherwise allows one or the other user to decline a connection. Matching by the system may be used for social or business purposes. | 02-03-2011 |
20110029611 | APPARATUS FOR SIGNALING CIRCLE OF FRIENDS - A device and method is provided for signaling an affinity of a peer device. According to one embodiment, the device receives a wireless signal from the peer device and determines the presence of the peer device based on the received signal. The device is able to detect the peer device when the peer device is within the vicinity or a certain proximity of the device. The received signal carries an affinity code of the peer device so that the device can detect the affinity of the peer device by comparing the received affinity code with its preset affinity code. If the two affinity code match, the device generates an the user to the presence of another user and signals that the two users share the same affinity. | 02-03-2011 |
20130282818 | APPARATUS FOR SIGNALING CIRCLE OF FRIENDS - A device and method is provided for signaling an affinity of a peer device. According to one embodiment, the device receives a wireless signal from the peer device and determines the presence of the peer device based on the received signal. The device is able to detect the peer device when the peer device is within the vicinity or a certain proximity of the device. The received signal carries an affinity code of the peer device so that the device can detect the affinity of the peer device by comparing the received affinity code with its preset affinity code. If the two affinity code match, the device generates an the user to the presence of another user and signals that the two users share the same affinity. | 10-24-2013 |
Patent application number | Description | Published |
20110087008 | METHODS FOR PURIFICATION OF ALPHA-1-ANTITRYPSIN ANDAPOLIPOPROTEIN A-1 - This invention relates to protein separation and purification methods for both alpha-1-antitrypsin (AAT, also known as alpha-1 proteinase inhibitor, API, and A | 04-14-2011 |
20140094411 | METHOD OF PURIFYING PROTEINS - The present invention relates generally to a method of purifying proteins. More specifically, the present inventions relates to a method of purifying haptoglobin and hemopexin from the same starting material, and uses thereof. | 04-03-2014 |
20140094591 | METHODS FOR PURIFICATION OF ALPHA-1-ANTITRYPSIN AND APOLIPOPROTEIN A-1 - This invention relates to protein separation and purification methods for both alpha-1-antitrypsin (AAT, also known as alpha-1 proteinase inhibitor, API, and A.sub.1-PI) and Apolipoprotein A-I (ApoA-1) from, for example, a fraction of human blood plasma. In certain embodiments, the invention provides methods for separating AAT from ApoA-1 at the initial stage of purification, so that the same starting material can be used as a source for both proteins. The methods further pertain to providing compositions of AAT and of ApoA-1 suitable for pharmaceutical use and are suitable for large-scale purification. | 04-03-2014 |