Patent application number | Description | Published |
20130160531 | SENSOR DEVICE - A sensor device may be configured to detect a level of liquid, a concentration of a specific substance included in the liquid, and a temperature of the liquid. The sensor device may comprise a substrate, a level electrode configured to be disposed on the substrate and detect the level, an electrode for liquid quality configured to be disposed on the substrate and detect the concentration, a temperature electrode configured to be disposed on the substrate and detect the temperature, and a reference electrode configured to be disposed on the substrate and maintain a reference electric potential. The reference electrode may be disposed at least between two of the level electrode, the electrode for liquid quality and the temperature electrode. | 06-27-2013 |
20130166175 | SENSOR AND CONTROL DEVICE - A sensor may be configured to be disposed in a fuel tank. The sensor may comprise a density detecting unit and a temperature detecting unit. The density detecting unit may be configured to detect a density of a specific substance included in fuel in the fuel tank. The temperature detecting unit may be configured to be located below the density detecting unit and detect a temperature of the fuel. | 06-27-2013 |
20130233707 | SENSOR AND SENSOR SYSTEM - A sensor for detecting the property of the liquid includes a substrate, a first pair of electrodes disposed on an upper surface of the substrate, and a second pair of electrodes disposed on a lower surface of the substrate. A capacitance of the first pair of electrodes and a capacitance of the second pair of electrodes mutually change correlatively to the same property of the liquid. | 09-12-2013 |
20130257457 | FUEL PROPERTY MEASURING DEVICE - A measuring device for measuring a property of fuel supplied from a fuel tank to a combustion apparatus, may comprise a fuel pump that sucks the fuel in a fuel tank and pumps the fuel toward a combustion apparatus, a fuel discharging portion that discharges the fuel from the fuel pump into the fuel tank, a fuel-measuring storage chamber that receives the fuel discharged from the fuel discharging portion and a pair of electrodes disposed within the fuel-measuring storage chamber so as to measure capacitance. | 10-03-2013 |
20130276532 | LEVEL MEASURING DEVICE - A liquid level measuring device may comprise a fuel tank that stores fuel, a fuel pump that sucks the fuel in the fuel tank and pumps the fuel toward a combustion apparatus, a fuel discharging portion that discharges the fuel from the fuel pump into the fuel tank, a ease that receives the fuel discharged from the fuel discharging portion and a pair of liquid level-sensitive electrodes that is accommodated in the case so as to measure capacitance that changes with the liquid level. The case may have a fuel permeating property to equalize the liquid level inside the case and the liquid level outside the case. | 10-24-2013 |
20130342223 | FUEL PROPERTY MEASURING DEVICE - A measuring device for measuring a property of fuel that flows in a fuel chamber, is provided with a substrate including an electrode-placing surface, and a pair of electrodes disposed on the electrode-placing surface with a space between n each other. The substrate is disposed in the fuel chamber so that the electrode-placing surface is inclined with respect to a horizontal direction. The fuel chamber may include an inlet into which the fuel flows, and an outlet out of which the fuel flows. An inlet-side end of the electrode-placing surface may be lower than an outlet-side end of the electrode-placing surface. | 12-26-2013 |
20140230544 | LIQUID LEVEL MEASURING DEVICE - A liquid level measuring device for measuring a liquid level of liquid stored in a container may comprise a discharging unit, a first storing space, and an electrode unit. The discharging unit may be configured to discharge the liquid compressed by a pump. The pump may be configured to suck the liquid stored in the container and feed the liquid toward a liquid usage device by pressure. The first storing space may be located in the container and configured to accept the liquid discharged from the discharging unit. The electrode unit may be disposed in the first storing space and comprising a first pair of electrodes configured to measure the liquid level of the liquid within the first storing space. The electrode unit may compose at least a part of a wall surface defining the first storing space. | 08-21-2014 |
20150059470 | MEASURING DEVICE - A measuring device may be provided with a cover configured to close an opening provided on a fuel tank; a plug configured to close a through hole provided on the cover; and a sensor configured to measure a property of fuel inside the fuel tank. The plug may be provided with an electrical connector and a fuel passage. The electrical connector may be configured to electrically connect inside and outside of the fuel tank. The electrical connector may pierce through the plug from an upper surface to a lower surface of the plug The fuel passage may include an inlet configured to open to the inside of the fuel tank to receive the fuel from the inside of the fuel tank. The sensor may be disposed in the fuel passage of the plug. | 03-05-2015 |