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6945108 Fuel level system for automobile  
The present invention relates to a fuel level system for an automobile, and more particularly, to a fuel level system for use in informing a driver of the amount of remaining fuel in a fuel tank of...
6941808 Drawing and gauging device for a motor vehicle fuel tank  
The invention concerns a drawing and gauging device for a motor vehicle fuel tank, characterised in that it comprises two support assemblies ( 100, 200 ) mobile relative to each other when the...
6938480 Encapsulated float and method for making same  
A float, including rubber material for sensing liquid levels having a chemically resistant protective covering said float having greater resistance to attach from chemicals, such as hydrocarbons,...
6923057 Liquid level sending unit with flexible sensor board  
A flexible liquid level sensor board assembly for application with liquid level sending units is presented. The liquid level sending unit includes a stem, float, and a flexible sensor board...
6915692 Level-sensor device for a liquid-fuel tank, particularly for a system for supplying LPG to an internal-combustion engine  
In a tank for liquid fuel, particularly a tank for LPG in a system for supply of LPG to the internal-combustion engine of a motor vehicle, the level-sensor device comprises a floating member guided...
6915691 Liquid level sensor using a non linear rheostat and a float  
In a fuel tank level sensor 1 for measuring a remaining amount of fuel in accordance with a resistance value which is varied by moving a rheostat 1 a utilizing a float 1 c that vertically...
6910498 Liquid level controller  
A liquid level control system for detecting and responding to changes in the level of liquid in a container. The system includes a transmitter in radio communication with a receiver, which is in...
6901796 Fluid level detecting device  
A fuel level sensor includes a float, a float arm, a float arm holder, and a sliding contact. The float arm holder is made of conductive resin. Therefore, the float arm and the sliding contact are...
6880398 Fuel level detection device for a fuel tank  
A fuel level detection device detects the level of fuel in the fuel tank. The fuel level detection device comprises a body including at least one mounting station and a fuel level detection unit....
6857314 System for detecting remaining amount of liquid in tank  
A liquid remaining-amount detecting system includes a displacement transmitting part for transmitting displacement of a float to a rotation-angle sensor and including a bracket mounted to the...
6851314 Apparatus and method for detecting a leak in a swimming pool  
An apparatus and method for detecting water loss from a swimming pool includes a first container having an upper end, a lower end, an inner cavity and at least one opening allowing swimming pool...
6851315 Hermetic fuel level sender  
An in-tank fuel level sender ( 26 ) for signaling the level of liquid fuel in a motor vehicle fuel tank ( 22 ). An enclosure ( 31 ) forming a hub of the sender provides an interior that is sealed...
6817242 Concrete level indicator  
A device indicates the level of concrete within the hopper of a concrete pump and prevent accidental overflow and spills. The concrete level indicator device includes an elongate post with an...
6792800 Liquid level detecting device  
A liquid level detecting device to be disposed in a liquid tank includes a body, a float arm having a float to be disposed in liquid, a resinous arm holder fixed to the body to hold the float arm...
6766688 Tank volatile liquid level or volume gauge  
A tank liquid level or volume gauge for use with volatile materials, such as propane, stored under pressure as liquid and released as gas, includes a float with a float magnet that couples with a...
6748805 Multiple input level sensor  
A liquid level measuring apparatus is provided, which includes an input circuit configured to receive electrical signals from level sensors configured to provide an electrical signal proportional...
6732584 Fuel level sensor with flexible circuit  
A fuel level sensor is provided having a flexible printed circuit cylinder, having a buoyant member mounted on a rod and a contact member mounted on the buoyant member which abuttingly contacts the...
6715350 Automatic tank gauge systems  
A level sensor mechanism for detecting liquid levels in storage tanks. A conduit is provided having an upper portion and a lower portion. The conduit may be adapted to receive a cable therein, may...
6711949 Remote fluid level detection system  
A remote two-module electronic fluid monitoring system to be used as an agricultural aid in the application of a fluid to a field. A tank module sits atop a field tank and monitors internal fluid...
6708562 Level gauge for oil-filled transformers, chokes and tap changers  
A liquid level indicator for an oil-filled transformer, power choke or tap changer in which a sensor part has a float which rises and falls with the oil level and rotates a sensor shaft and the...
6701784 Carburetor fuel level management system  
A carburetor fuel level management system includes a fuel level sensor mounted in the float bowl of the carburetor for monitoring actual fuel level and providing a signal indicative of the fuel...
6681627 Level sensing safety device functionable in fall-over position  
A safety device for water dispenser includes a magnetic tube, and a float. The tube sticks up on bottom of a water container. A first, and a second magnet switches are disposed in the tube, and...
6679286 Ball tap with a water level switch  
A compact ball tap with 1 a water level switch which comprises a guide standpipe 5 vertically arranged in a tank T, a float 6 slidably installed on the guide standpipe 5 , a valve 3 , a...
6595051 Fluid level sensing and control system  
An improved pressure activated control apparatus is provided for sensing fluid pressure and triggering one or more switches in response to the fluid pressure, as desired. The apparatus is designed...
6595239 Feed device intended for mounting in a fuel tank  
In a feed device with a filling-level sensor fastened to a wall of a baffle, the filling-level sensor has a lever wire for holding a float. A carrier for mounting the filling-level sensor to a wall...
6591676 Device for detecting the level of liquid, particularly for submersed pumps  
A liquid level detection device ( 10 ), particularly for submersed pumps, characterized in that it comprises means ( 13, 14 ) for detecting variation of electric and/or magnetic field in relation...
6588272 Redundant level measuring system  
A redundant level measuring system comprises a chamber for fluidic coupling to a process vessel whereby material level in the vessel equalizes with material level in the chamber. A float including...
6588270 Filling level indicator for a washer fluid container  
Filling level indicators for washer fluid containers in motor vehicles have hitherto been arranged directly on the washer fluid container or been integrated in the instrument cluster on the motor...
6571627 Slide detector  
In a slide detector, a contact member provided on a slider is made of gold or a gold alloy including an abrasion resistant metallic component, and a plurality of electrodes provided on an electric...
6564631 Digital signal fuel sensor  
A digital signal fuel sensor includes a digital sensor and a wiper assembly for rotation relative to the digital sensor. The digital sensor has a plurality of sensing portions having at least one...
6563306 Method and apparatus for detecting displacement of a magnet moved in response to variation of a physical characteristic of a fluid  
An apparatus for detecting the displacement of a magnet is to be provided. The errors on the detected value due to the variation of temperature or that with time are hardly caused in the apparatus....
6561022 Position encoder  
A linear position sensor is provided which employs phase quadrature sensor windings, an excitation winding and a resonator. When an excitation current is applied to the excitation winding, it...
6557412 Non-fouling liquid level control  
A non-fouling liquid level detector and control especially for a sealed system likely to have iron particle contaminants. The device employs a float projecting above the liquid level and bearing...
6536277 Level-tracing water-monitoring apparatus  
A water-monitoring apparatus includes a frame being installed by water. A reel is mounted on the frame. A tension cable is wound on the reel and including a lower end and an upper end. A buoy is...
6532813 Method and device for determining a fill level of liquid in a container  
During the determination of a fill level of liquid in a container, a measuring chamber, in which there is initially the same fill level as in the container, is completely filled with liquid. The...
6523405 Portable bin full indicator  
A portable bin full indicator is disclosed comprising a sensor operable to send a signal when the level of particulate material in a bin reaches the level of the sensor; means to temporarily secure...
6513378 Liquid level float switch with manual reset  
An electro-mechanical liquid level float switch that continuously actuates a switch on sensing a change in the liquid upon reaching a threshold level, where the float-switch requires manual reset...
6508119 Liquid level measurement and fuel transducer using anisotropic magnetoresistance device  
A fuel quantity transducer ( 20 ) suitable for use in a liquid level measurement system ( 30 ) uses an AMR device ( 30 ) to permit liquid level measurement. A flange ( 60 ) is fastened to the...
6508120 Fluid level monitor with at least partially submersible buoyant element  
This invention discloses a fluid level monitor including a buoyant element suspended from a filament wound on a spool, a load sensor that senses a tensile force in the filament and a rotation...
6497145 Float gauge with fixed liquid level gauge  
A head for use in a combination float and maximum liquid level gauge. The head has a receptacle for receiving the support member of a float gauge and contains a passageway one end of which is...
6490921 Oscillating liquid level measuring apparatus  
The present invention provides an oscillating liquid level measuring apparatus includes a liquid level measuring unit 10 having: a floating member 3 floating on a surface of liquid 1 in a...
6490922 System for controlling the level of the liquid contained in a LPG tank or the like  
A system detects the level of a liquid contained in a liquid gas tank or the like by using a magnet. This system is mounted on a tank ( 1 ). The tank is usually provided with a mechanical level...
6481278 Hall-effect fine resolution liquid level indicator  
A liquid level indicator apparatus provides direct readout of liquid level at high resolution using an array of vertically disposed Hall-effect magnetic switches. To overcome the limit to closer...
6481276 Device for measuring the filling level of a filling material in a container  
The present invention relates to a device for measuring the filling level of a filing material in a container, having a sensor and a control/evaluation unit. The invention provides a device which...
6474158 Apparatus for measuring displacement and method of use thereof  
A sensor system for measuring displacement includes a primary coil wound around a longitudinal axis and at least one secondary coil wound around the longitudinal axis. Each secondary coil has a...
6453741 Fuel transmitter for non-electrically invasive liquid level measurement  
A fuel level transmitter ( 10 ) consisting of two magnetic rotors ( 14, 16 ) placed on opposite sides of a non-ferrous wall ( 26 ) are arranged so that when the first rotor ( 14 ) is turned, the...
6443005 Pressure activated control  
An improved pressure activated control apparatus is provided for sensing fluid pressure and triggering one or more switches in response to the fluid pressure, as desired. The apparatus includes a...
6430380 Wet type image forming apparatus and information processing system using this apparatus  
The wet type image forming apparatus includes: a columnar body ( 3 ) fixed within an ink tank ( 1 ); a plurality (n) of reed switches ( 4 ) to ( 6 ) that are arrayed in upper and lower directions...
6427533 Vehicle liquid level gauge  
A liquid level gauge for use on a vehicle indicates a liquid level in a start-up and in a running state in accordance with requirements designated by a user of the vehicle, the level being...
6425288 Lever transmitter for determining a filling level of liquid in a tank  
In a lever transmitter for a fuel tank, two spring tongues, each with a sliding contact, are arranged on a contact plate of a potentiometer. The contact plate is prestressed against sliding tracks...