Class / Patent application number | Description | Number of patent applications / Date published |
137565160 | Electric | 22 |
20100018596 | MICRO FLUIDIC TRANSPORTATION DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided is a micro fluidic transportation device capable of controlling discontinuous transportation of micro droplets using surface acoustic wave (SAW), and a method for manufacturing the same. The micro fluidic transportation device which includes: a substrate; a piezoelectric layer formed on the substrate; an inter digitated transducer (IDT) electrode formed on the piezoelectric layer for energy conversion by generating a surface acoustic wave (SAW); and a fluid passage formed on the piezoelectric thin layer. | 01-28-2010 |
20100163124 | Programmable Logic Controlled Liquid Pressurization Device Incorporating Low Energy Consumption Mechanisms for the Utilization of Solar Energy - A liquid pressurization device which is housed within a single rectangular housing that utilizes a solar panel as the front cover and the only source of energy. An interchangeable pulley mounted on a motion controlled technology motor allows for a wide range of pressure and volume scenarios common to liquid pressurization applications, and in combination with a motor controller and driver board, and programmable logic control board, these pressure and volume scenarios are further optimized for the utilization of solar energy as the sole energy source. Said programmable logic board further provides ports for firmware updates, monitoring devices, and diagnostic devices. A lever is reciprocated by an energy transfer pulley that transfers drive force to the liquid end of the apparatus, providing a low friction multiplication of available power. The liquid end of the apparatus is further designed for ease of maintenance to replaceable components with limited life spans. | 07-01-2010 |
20100212758 | SYSTEM USED TO FEED WC FLUSHING TANKS WITH RECYCLED WATER - The present invention relates to a system used to feed WC flushing tanks (C) with recycled water collected in a tank ( | 08-26-2010 |
20110265898 | Sealed Manifold For Air Pump System - A multiple configuration air mattress pump system is disclosed. The pump system includes a number of standard components with a few inexpensive varied components to allow for easy and less expensive use of the pump with mattresses having varying numbers of inflatable zones. An improved sealed manifold is also disclosed. | 11-03-2011 |
20120090708 | High-Pressure Fuel Supply Pump Having Electromagnetically-Driven Intake Valve - It is an object of the present invention to improve responsiveness in valve opening and valve closing of an electromagnetically driven intake valve unit in which a valve is provided on a pressurizing chamber side of a valve seat. The valve includes an annular abutting surface that abuts the valve seat to shut off a fuel intake passage and a bottomed cylindrical part provided at an inner peripheral part of the annular abutting surface. The bottomed cylindrical part is inserted into a fuel introduction hole formed in the valve housing inside the valve seat, and the outer surface of an end part of the bottomed cylindrical part is exposed to fuel in a low pressure fuel chamber provided upstream of the fuel introduction hole. | 04-19-2012 |
20120103446 | Air Pressure Producing Apparatus - An air pressure producing apparatus includes: a vacuum pump having a negative pressure terminal and a positive pressure terminal; a first solenoid valve having a first intake terminal and a first exhaust terminal connected to the negative pressure terminal of the vacuum pump; a second solenoid valve having a second exhaust terminal and a second intake terminal connected to the positive pressure terminal of the vacuum pump; and a control unit connected to the vacuum pump, the first solenoid valve and the second solenoid valve for controlling the vacuum pump to extract air at the negative pressure terminal thereof so as to produce a negative pressure at the first intake terminal of the first solenoid valve and controlling the vacuum pump to exhaust air at the positive pressure terminal thereof so as to produce a positive pressure at the second exhaust terminal of the second solenoid valve. | 05-03-2012 |
20120255636 | SILENCED FUEL PUMP FOR A DIRECT INJECTION SYSTEM - A fuel pump for a direct-injection system provided with a common rail comprises a pumping chamber defined in a main body. A piston is mounted in a sliding manner inside the pumping chamber to cyclically vary volume of the pumping chamber. A suction channel is connected to the pumping chamber and regulated by a suction valve. A delivery channel is connected to the pumping chamber and regulated by a delivery valve. A flow-rate-adjustment device is mechanically coupled to the suction valve to keep, when necessary, the suction valve substantially open during pumping of the piston and includes a control rod that is coupled to the suction valve and an electromagnetic actuator that acts on the control rod and has a one-way hydraulic brake that is integral to and substantially slows movement of the control rod. | 10-11-2012 |
20130000759 | MICROFLUIDIC DEVICE AND EXTERNAL PIEZOELECTRIC ACTUATOR - A fluid pumping device includes a piezoelectric actuator externally coupled to a microfluidic device. The piezoelectric actuator has an axial displacement along a lengthwise axis responsive to application of a bias voltage. The axial displacement of the piezoelectric actuator operates one of an internal valve and an internal pump chamber of the microfluidic device. | 01-03-2013 |
20130146163 | DEVICE FOR CONTROLLING CONSTRUCTION EQUIPMENT - Provided is a device for controlling construction equipment for controlling the spool of an MCV, which is directionally controllable, to control working fluid which is supplied to a hydraulic actuator. According to the present invention, provided is a device for controlling construction equipment, comprising: a remote control valve for outputting a secondary signal pressure which is proportionate to the amount calibrated by an operator; a calibrated amount detection means for detecting the secondary signal pressure of the remote control valve; an electro proportional pressure reducing valve for outputting the secondary signal pressure; first and second shuttle valves, each of the shuttle valves having an input portion on one side which connects to the secondary signal pressure of the remote control valve, and an input portion on the other side to which output-side ports of the electro proportional pressure reducing valve connect respectively; a directional control spool for controlling the actuation of the hydraulic actuator when exchanging by means of the signal pressure output from the first and second shuttle valves; and a controller for outputting a control signal to the electro proportional pressure reducing valve so as to correspond to the operation amount which is input by the operation amount detection means. | 06-13-2013 |
20130269800 | METHOD FOR MONITORING A FLUID INJECTION SYSTEM AND SYSTEM THEREOF - In at least some implementations, a method for monitoring a fluid injection system that has a fluid pump activated by a coil and a controller adapted to drive the coil with a driving voltage includes monitoring the evolution of current flowing through the coil and the evolution of the time derivative of said current, and monitoring two successive zero crossings of the time derivative of the current flowing through the coil. The method provides an easy and cost-efficient way to discriminate various operating states of a fluid injection system including a coil/solenoid driven pump. | 10-17-2013 |
20130269801 | PRESSURE MANIFOLD SYSTEM FOR DIALYSIS - A dialysis fluid pressure manifold system includes a plurality of pump and valve chambers controlling a flow of dialysis fluid; a header including a plurality of pneumatic passageways, each passageway in pneumatic communication with one of the pump or valve chambers; a plurality of electrically actuated pneumatic valves; and a plate defining a plurality of pneumatic apertures, each pneumatic aperture in pneumatic communication with one of the plurality of electrically actuated pneumatic valves, the plate providing the apertures each with an o-ring seal for airtight connection with the pneumatic passageways of the header. | 10-17-2013 |
20140116545 | INJECTION DEVICE - The invention relates to a device for injecting a fluid ( | 05-01-2014 |
20140166135 | SLEWING-TYPE WORKING MACHINE - A slewing-type working machine includes: a slewing motor which is a hydraulic motor for slewing; a variable-displacement hydraulic pump; a slewing operation device including an operation member; a control valve controlling the slewing motor based on an operation signal thereof; a pump regulator; a relief valve letting excess fluid to a tank; operation detectors detecting an operation direction and amount of the operation member; a motor rotational speed detector; and a controller controlling a discharge flow rate of the hydraulic pump. The controller obtains a deviation between a target rotational speed of the slewing motor obtained from a slewing operation amount and an actual rotational speed detected by the motor rotational speed detector, and controls the discharge flow rate to make the deviation closer to 0. | 06-19-2014 |
20140174570 | HYDRAULIC PRESSURE SUPPLY APPARATUS FOR AUTOMATIC TRANSMISSION - In a hydraulic pressure supply apparatus for an automatic transmission having hydraulic pressure supply destinations comprising at least three hydraulic actuators different from one another in required hydraulic pressure and a lubrication system, there are provided with at least three, actually five, hydraulic pumps, at least three, actually five, regulator valves capable of regulating hydraulic pressures delivered from the hydraulic pumps to values corresponding to the respective required pressures to be supplied to the hydraulic pressure supply destinations, and the selector valves installed between the hydraulic pumps and the regulator valves, wherein the operation of the selector valves is controlled to connect the hydraulic pumps to the regulator valves in accordance with the flow rates required by five hydraulic pressure supply destinations comprising the hydraulic actuators and the lubrication system. | 06-26-2014 |
20140290768 | Frac Pump Isolation Safety System - The improved system allows an operator overseeing a well stimulation hydraulic fracturing operation to bring frac pumps online and offline as necessary. A control panel allows the operator to remain at a safe distance from high-pressure equipment, including the frac pumps and respective remotely actuated isolation valves, yet allows monitoring and operation of same. The operating condition of the frac pumps and the isolation valves is monitored by an automated processing device, which prevents operation of same during certain pump and valve conditions. A wireless operator interface is also provided. | 10-02-2014 |
20140338765 | COOLANT SUPPLY APPARATUS - A coolant supply apparatus includes variable delivery coolant pump ( | 11-20-2014 |
20160033031 | MODULATION CONTROL SYSTEM AND METHOD FOR A HYBRID TRANSMISSION - A hydraulic system includes a main modulation control scheme which relies in part on the use of a VBS solenoid and the multiplexing of that solenoid. The hydraulic system is associated with a hybrid module and by controlling the main pressure at a reduced level, the fuel economy and reliability of that hybrid module are improved. The system pressure is controlled by the multiplexed VBS solenoid in order to maintain adequate clutch pressure based on torque requirements. The overall system cost is reduced by the multiplexing of valves and solenoids. | 02-04-2016 |
20160053901 | PNEUMATIC VALVE FOR VEHICLE - Disclosed is a pneumatic valve for a vehicle that includes a valve housing that has an intake hole in an intake unit at one end, an exhaust hole and a relief hole in an exhaust unit at another end, and a channel through which air flows therein. An intake plunger selectively opens and closes the intake hole by sliding in the channel of the valve housing. A relief plunger selectively opens and closes the relief hole by sliding in the channel of the valve housing. An intake coil is disposed outside the valve housing and slides the intake plunger using an electromagnetic force; and a relief coil is disposed outside the valve housing and slides the relief plunger using an electromagnetic force. | 02-25-2016 |
20160123276 | LIQUEFIED GAS FUEL SUPPLYING APPARATUS - A liquefied gas fuel supplying apparatus includes an injector that injects fuel to an engine, a fuel tank that stores the fuel, a fuel pump that pumps the fuel from the fuel tank to the injector, a fuel cooler that cools the fuel that is pumped from the fuel pump to the injector, a fuel temperature sensor that detects a fuel temperature in a pipe, and an ECU. The ECU, during engine operation, estimates the fuel temperature in the pipe after engine stop, based on a detection value detected by the fuel temperature sensor, and performs drive control of the fuel cooler to cool the fuel, when the estimated temperature is higher than a temperature that is evaluated from a predetermined saturated vapor pressure curve. | 05-05-2016 |
20160123322 | PRESSURE REDUCING SOLENOID VALVE - A pressure reducing solenoid valve according to an exemplary embodiment of the present invention includes: a pump housing which has an inflow path and an outflow path; a coil which is provided at an upper side of the pump housing; and a pressure reducing operating unit which has an upper portion positioned in the coil, and a lower portion positioned in the pump housing, and allows a fluid to be discharged from the inflow path to the outflow path so as to reduce pressure. | 05-05-2016 |
20160178052 | MINIMAL LINE PRESSURE DISTURBANCE PUMP SWITCHING VALVE | 06-23-2016 |
20160195086 | BATCHING/DELIVERING SYSTEM COMPRISING AT LEAST ONE REMOTELY ACTUATED VOLUMETRIC BATCHING PUMP | 07-07-2016 |