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| Number | Title | Issue Date |
| 8181517 | Sender card contamination reduction due to current application to sender card Disclosed herein is a system for use in a tank containing a contaminative fluid. The system includes an electrically conductive resistive material in fluid communication with the contents of the tank, a controller configured to periodically generate a control signal... | 05/22/2012 |
| 8171787 | Liquid-level detecting apparatus A liquid-level detecting apparatus is provided. The liquid-level detecting apparatus includes a resistance plate with an insulating substrate; conductive segments on the insulating substrate at substantially equal intervals; a resistor mounted on the conductive segm... | 05/08/2012 |
| 8136396 | Apparatus for measuring and/or controlling liquid levels An apparatus for measuring and/or controlling the level of a liquid, specially fuel, contained in a reservoir. The apparatus comprises means supporting a pivot member inside the reservoir, the pivot member comprising a stationary body fixed relatively to the support... | 03/20/2012 |
| 7752912 | Sliding fluid level-detecting device A sliding fluid level-detecting device which is mounted in a fuel tank of a vehicle and detects a remaining amount of a liquid fuel in the tank by sliding, on a plurality of stripes of an electrode formed at an electrode part electrically connecting with a fuel mete... | 07/13/2010 |
| 7748270 | Liquid level indicator A liquid level indicator (1) is provided for sealing engagement with an opening of a receptacle. A float (8) is used which rests at the liquid level and which is connected to a float rod (7), which in turn is pivotally connected to fixed (5 | 07/06/2010 |
| 7721602 | Filling level sensor In the case of a filling level sensor (1) for detecting a fuel filling level in a fuel tank (2), a lever arm (7) which secures a float (6) has a guide part (14). The guide part (14) interacts with an installation opening ( | 05/25/2010 |
| 7681447 | Liquid level detection apparatus A liquid level detection apparatus of the present invention includes contacts provided at a distal end portion of a contact plate, and resistance plates which are formed on a wiring board, and have respective conductor portions over which the contacts can slide, res... | 03/23/2010 |
| 7677098 | Light sensing contactless fuel level sensor A contactless, sealed fuel level sensor for determining a fuel level in a fuel tank and producing a level indicative signal includes a frame, a cover, a float arm, a float and a light-responsive sensor. The frame is configured to have a cavity formed therein. The co... | 03/16/2010 |
| 7640800 | Filling level sensor A filling level sensor having a lever arm which has a float at one end and is held at its other end by a clip. A resistance network is arranged on a substrate and to which a contact structure is assigned, the resistance network producing an electrical signal for the... | 01/05/2010 |
| 7621182 | Sealed fuel level detector A fuel level detector has a float connected to an arm that rotates a pivot pin. The pivot pin rotates in a hole in the wall of the detector, and the hole is sealed by a sleeve. One end of the sleeve is sealed to the housing of the detector surrounding the hole, and ... | 11/24/2009 |
| 7614299 | Device and method for monitoring a gas volume in a unit filled with liquid A device for monitoring a gas volume in a unit filled with a liquid, where the unit has an inlet line with at least one expansion chamber, and the device includes one or more buoyant bodies floating in the liquid. The floating buoyant body is connected to a shaft, f... | 11/10/2009 |
| 7584658 | Level transmitter The invention relates to a level transmitter, having a lever arm which carries a float at one end and is received by a bracket at its other end, a support made of synthetic material, a bearing arranged on the support for the brackets and/or the lever arm, a level se... | 09/08/2009 |
| 7530269 | Fuel level sensor A fuel level sensor for sensing and monitoring the level of remaining fluid in a container such as a fuel tank for a motorized vehicle is disclosed. The fuel level sensor incorporates an improved float and pivot arm member attached to a hub that rotates about a pivo... | 05/12/2009 |
| 7520167 | Fuel level gauge for use in automobile A fuel level gauge is advantageously used in a fuel tank of an automobile. The fuel level gauge installed in a fuel tank includes a float floating on the fuel surface, a rotatable member supported by a stationary member and a detector such as a Hall element. The flo... | 04/21/2009 |
| 7458261 | Liquid level detector Two pairs of regulating means, that is, the first stopper and the second stopper, which regulate a rotary angle range of the magnet holder when the first stopper and the second stopper come into contact with the stopper of the arm integrally fixed to the magnet hold... | 12/02/2008 |
| 7437929 | Liquid level detector The present invention provides an inexpensive small-sized liquid level detector. A liquid level detector 1 includes a float moving in accordance with variations in liquid level, a hard circuit board 5, resistors 12a and 12b ... | 10/21/2008 |
| 7377163 | Liquid level detector Two pairs of regulating means, that is, the first stopper and the second stopper, which regulate a rotary angle range of the magnet holder when the first stopper and the second stopper come into contact with the stopper of the arm integrally fixed to the magnet hold... | 05/27/2008 |
| 7360529 | Fuel level measurement and run time interpolation At least one aspect of the invention provides an improved fuel sensing system for a generator, in addition, one or more other aspects of the invention provide improved systems and methods for determining remaining run-time of a generator system. ... | 04/22/2008 |
| 7357033 | Manual resuscitators with integral manometer A manometer integrated into a manual resuscitator includes a housing with a communication path, and a pressure gauge integrally forming part of the housing. A sensing chamber and an atmospheric chamber are separated by a diaphragm subject to distortion by differenti... | 04/15/2008 |
| 7350413 | Liquid level detection apparatus A liquid level detection apparatus of the present invention includes contacts provided at a distal end portion of a contact plate, and resistance plates which are formed on a wiring board, and have respective conductor portions over which the contacts can slide, res... | 04/01/2008 |
| 7343799 | Apparatus for detecting liquid level In an apparatus for detecting a liquid level, a sliding arm is supported on the resistance plate so as to pivot thereon in accordance with the liquid level. A plurality of first conductive segments is arranged on the resistance plate in a pivoting direction of the s... | 03/18/2008 |
| 7331225 | Non-contact type liquid level sensor A non-contact type liquid level sensor according to the invention has an electromagnetic shield plate mounted on a housing for blocking effects from an external magnetic field onto a magnetoelectric converting element. ... | 02/19/2008 |
| 7322234 | Watertight fuel-gauge housing A watertight fuel-gauge housing comprises a housing at least partially positioned in the interior of a fuel tank; a gauge mechanism within said housing for providing an indication of the level of fuel within said tank according to the position of a floating device c... | 01/29/2008 |
| 7315165 | Sensor element A sensor element (30) measures a Hall voltage generated by a movable magnet (16). For this purpose, the sensor element (30) comprises a ceramic base element (40) which has connected therewith a detector element (46). The detector e... | 01/01/2008 |
| 7293578 | Gauge assembly having a stop fill device A gauge assembly includes an indicator for providing an indication of an amount of fluid in a tank and a stop-fill assembly for stopping the flow of fluid flowing into the tank once the fluid reaches a particular level. The gauge assembly has a shaft that rotates as... | 11/13/2007 |
| 7265677 | External device indicating that a tank is filled up System for indicating when a tank is full. The system includes a signal and control box. A container is connected to the tank. The container has a base, a float, an upper portion, and a lower portion. An orifice is arranged at the upper portion of the container. The... | 09/04/2007 |
| 7263672 | Methods, systems, and data models for describing an electrical device A method and system are described for creating a metadata text file corresponding to a geometry of a physical layout and/or a circuit layout of an electrical device. The layouts are defined in a user interface. A text file having metadata elements in a hierarchical ... | 08/28/2007 |
| 7251999 | Level sensor for a fuel tank In a level sensor (2) for a fuel tank, one end of a lever wire (7) is located at a distance from a bearing (11) of a bracket (5). The bracket (5) has two limbs (12, 13) of which one holds the lever wire (7) and the ot... | 08/07/2007 |
| 7222529 | Filling level sensor for a fuel tank of a motor vehicle The invention relates to a filling level sensor for a fuel tank with a float which is fastened to a lever arm and at least one contact which is arranged on the lever arm and is in connection with a slider track formed as a thick-film resistor. The thick-film resisto... | 05/29/2007 |
| 7222530 | Non-contact type liquid level sensor and non-contact type liquid level detecting method A memory which stores an output value indicating a liquid level is provided in a Hall-effect IC, and an uppermost position and a lowermost position of a float, which are set in advance, are written to the memory as an uppermost liquid level and a lowermost liquid le... | 05/29/2007 |
| 7219546 | Gear and drive shaft assembly for a float gauge A float-type liquid level gauge assembly is provided for measuring the level of a liquid in a tank. The liquid level gauge is designed to reduce inventory requirements and to speed the assembly process. The gauge includes a gear housing having a lower longitudinal p... | 05/22/2007 |
| 7219686 | Tap assembly for a liquid vessel having an overfill protection device and a float controlled magnetic level gauge This invention relates to a tap assembly for a liquid vessel, having an overfill protection device and a float controlled mechanical or magnetic level gauge. A single float actuates a stem of the overfill protection device as well as a rod of the level gauge. The ro... | 05/22/2007 |
| 7204143 | Liquid level controller An apparatus and methods of using the apparatus are disclosed. Preferably, the apparatus includes at least a fluid level detection portion communicating with a fulcrum that provides at least a first lobe and a second lobe, and a control portion responsive to the fir... | 04/17/2007 |
| 7201052 | Fuel measuring device The present invention relates to a fuel measuring device, more particularly, to a fuel measuring device having a non-intrusive (or non-contact) structure between a rotor and a magneto resistive sensor, resulting in reducing of measurement errors that are usually cau... | 04/10/2007 |
| 7191648 | Level gauge for oil-filled transformer, choke, or tap changer An electric power apparatus has a oil-filled vessel in which a float is connected to a float shaft that rotates as the float rises and falls with the level of oil. A level indicator has a display shaft extending along and pivotal about an axis, and coupled to the fl... | 03/20/2007 |
| 7173506 | Dial assembly with magnetically biased reed switch A dial assembly for a magnetically driven gauge. The dial assembly, including a rotatable dial magnet, a reed switch and a bias magnet. The bias magnet and reed switch being positioned such that when the poles of the bias magnet and the dial magnet are in a first or... | 02/06/2007 |
| 7165450 | Variable position sensor employing magnetic flux and housing therefore A fuel level sensor has a rotor with two magnets mounted for rotation therewith, the magnets spaced from one another and with like poles directed toward one another. A Hall effect sensor on the housing is positioned between the two magnets such that increasing the v... | 01/23/2007 |
| 7155349 | Remote liquid level gauge for remote sensing, system for employing the gauge and method of use A system, method and apparatus for improving the logistical inefficiencies associated with the delivery of liquid petroleum gas or fuel oil to remotely dispersed locations, including a gauge for detecting the level of fluid or liquid in a tank, and a transmission me... | 12/26/2006 |
| 7143646 | Sensor The invention relates to a sensor, with a sensor housing (8) whose through-hole is intended for a connecting cable (1) that is attached to the sensor (11, 12), such that the connecting cable (1) is surrounded by a pressure spring element ... | 12/05/2006 |
| 7140247 | Electrostatic charge control for in-tank fuel module components An in-tank fuel module apparatus arranged to provide an electrostatic discharge path from a conductive component to the ground plane. A conductive float arm is connected to a conductive support through an element in contact with the float arm and the conductive supp... | 11/28/2006 |
