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7610806 |
Electronic level gage assembly
A thermowell extends downwardly into tank liquids from the roof of the tank. A magnetostrictive wave guide probe is positioned on the inside of the thermowell and a magnetic float is slidably...
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7591178 |
Grounded wiper assembly for fuel sensor
A grounded wiper assembly for a fuel sensor includes a wiper housing for rotation relative to a variable resistor and a wiper with at least one contact operatively supported by the wiper housing...
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7565837 |
Fuel level sensor variable resistor assembly
A variable resistor assembly is preferably adapted for use with a fuel level sensor and includes an arcuate resistive area including a plurality of radially oriented and spaced apart conductive...
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7562571 |
Device and method for detecting material by means of gravitational field analysis
Described is a sensor for filling level measurement using a gravitational field analysis, comprising a first and a second gravimeter unit. The measurement is effected in a contactless manner, via...
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7549333 |
Fluid level sender assembly and method of making a fluid level sender assembly
A fluid level sender mount assembly includes a first mounting member having a chamber and a second mounting member having an elongate docking portion. The docking portion may be sized to slidably...
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7536989 |
Fuel tank cover body
A fuel tank cover body which can be easily manufactured. The fuel tank cover body comprises a cover 2 for closing the opening of a fuel tank; a liquid level detection unit 3 housed in the fuel...
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7484409 |
Fluid level switch
A fluid level switch for a machine having a fluid reservoir adapted to contain a fluid at an acceptable level. The fluid level switch includes a mounting plate, a float housing, and a float...
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7467550 |
Fuel tank float arm assembly
The invention concerns a float arm assembly for use in a vehicle fuel tank and a method of operating the float arm assembly to determine a level of fuel in the tank. First and second resistor cards...
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7467549 |
Electrostatic charge control for in-tank fuel module components
A grounding arrangement for an in-tank fuel system includes a fuel level sensor assembly of a fuel module comprising a conductive card body and a resister card supported on the conductive card...
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7463021 |
Magnetostrictive sensitive element
The invention relates to a sensor element and to a path sensor constructed therefrom. The optical waveguide accommodated inside a supporting body, for example, a tube has to be placed in a defined...
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7454969 |
Fuel density measuring device, system, and method using magnetostrictive probe bouyancy
A magnetostrictive fuel level probe includes a spring-loaded foot. The probe shaft of the fuel level probe moves up and down within the spring-loaded foot as a function of fuel density. The...
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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...
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7423541 |
Excessive product usage detection using a level monitoring system
A system for detecting excessive usage of product in a storage tank is provided. The system comprises a monitor and a data center. The monitor is operatively coupled to the tank for monitoring a...
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7418861 |
Mechanically self actuated liquid level sensor
A liquid level sensor for measuring liquid levels in underground and above ground containers includes a frame formed to have an elongate hollow tubular configuration that encloses a cavity. A cam...
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7409860 |
Fuel level measurement device
A fuel level measurement device has a fuel level sensor carried by a fuel level float at the distal end of a pivoting float arm of the device which is preferably part of a fuel pump module located...
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7398682 |
Low fluid level detector system
A fluid level detector system, which may measure the amount of fluid in a reservoir, and may further trigger an alarm when the fluid level in the cassette reaches a low level condition. The...
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7377162 |
Method and apparatus for liquid level sensing
A liquid level sensing arrangement for a tank may include a float having a disc-like shape and a sensor that detects a position of the float relative to the tank. The float may have an overall...
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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...
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7343800 |
Linear position indicator system and method
The present invention is directed to system and method for determining a fluid level. The system comprises a sensing rod assembly comprised of releasably connectable rod segments. Each rod segment...
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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...
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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...
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7313956 |
Lubrication system
The present invention is directed to lubrication system having a reservoir having a body. A follower is moveably disposed in the body. The system further comprises an alarm system having an...
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7304588 |
Monitoring technology
An apparatus for monitoring an article or system, particularly an LP or propane tank, includes a transmission unit, a base unit and a host unit. The transmission unit is disposed on or near the...
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7278311 |
Liquid level and density measurement device
A liquid level and density measurement device is disclosed. The device comprises an elongated magnetostrictive transducer and at least two transducer magnets embedded into floats that can freely...
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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...
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7240550 |
Method and apparatus for material indentification by means of gravitational field analysis
Described is a sensor for filling level measurement using a gravitational field analysis, comprising a first and a second gravimeter unit. The measurement is effected in a contactless manner, via...
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7239129 |
Sensor based on the travel time principle with a detector unit for mechanically elastic waves
A position sensor based on the travel time principle of a mechanically elastic wave length having a wave guide, an electrical hollow return conductor, a detector coil attached to the wave guide and...
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7225672 |
Liquid level sensor and method of manufacturing the same
A liquid level sensor includes a housing, a rotary shaft which is rotatably provided in the housing, a magnet which is fixed to the rotary shaft, and rotating together with the rotary shaft, a pair...
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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...
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7216537 |
Fiber optic flammable liquid measuring system
An optical liquid measuring system for measuring the amount of flammable liquid in a storage tank consisting of a pair of encoder disks that are operatively connected to a pair of floats through a...
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7191649 |
Water level sensor
A liquid level sensor apparatus for monitoring the drain line of condensate from an air handler of a refrigeration system senses the presence of backup liquid in a vertical pipe in the drain...
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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...
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7188679 |
Remote fire extinguisher station inspection
An apparatus for remote inspection of fire extinguishers at one or a system of fire extinguisher stations includes, e.g., at each fire extinguisher station: a detector for lack of presence of a...
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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...
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7111510 |
Liquid level detection device
A liquid level detecting apparatus having detachable terminals and capable of holding down the formation of silver sulfide is provided. The apparatus includes a movable contact displaced in...
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7082828 |
Laser measurement of liquid level in a holder
Leakage detection of cargo from the hold of a barge involves a mounting plate to the top hatch of the hold. Two pipes secured to the plate extend to locations near the bottom. Each pipe has a guide...
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7077003 |
Liquid level sensor switch
A liquid level sensor-switch capable of effectively reducing variations in levels detected depending on directions in which it is inclined. The sensor-switch has a case, a guide rod formed therein,...
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7062966 |
Fuel level sensor
A small profile fuel level sensor has a small float located in a vertically-oriented housing in a fuel tank, and instead of sliding against two resistive strips that output a level signal as fuel...
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7055386 |
Fluid level indicator dial assembly with magnetic calibration feature
A dial assembly with magnetic calibration feature adapted for use as part of a gauge assembly for measuring fluid levels in cryogenic applications is disclosed. The dial assembly includes a base, a...
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7043983 |
Horizontal liquid level measuring device
A system for actuating an indicator in response to a depth change in a liquid that is confined to a container comprises a housing, a float constrained to vertical movement in response to changes in...
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7043982 |
Fuel level sending unit and contact button for same
A contact button is configured to move along a resistor path of a potentiometer in a first direction and a second direction opposite the first direction. The contact button includes a body having a...
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7013728 |
System for detecting level of liquid in tank
A system for detecting the level of liquid in a tank includes a sensor part provided to the tank and for sensing a position of the liquid level in accordance with displacement of a float, and a...
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6990862 |
Hermetic fuel level sender having tank bottom referencing
A fuel level sender ( 26 ) for signaling liquid fuel level in a fuel tank ( 22 ). An enclosure ( 31 ) forming a hub of the sender provides an interior that is hermetically sealed against intrusion...
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6988406 |
System and method of liquid level detection
A system of liquid level detection has a vessel, a sight glass in fluid communication with the vessel, a float positioned in the sight glass, a proximity switch affixed exterior of the sight glass...
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6983655 |
Vehicle cesspool lever sensor
A vehicle cesspool level sensor includes a mounting base, a stainless steel detection tube welded to the bottom side of the mounting base to hold a detection circuit on the inside, an end cap...
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6976394 |
Level transmitter
A level transmitter for liquid containers, particularly fuel store tanks, comprising a housing in which a contactless sensor is arranged which is connected with an evaluating unit and operatively...
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6973828 |
Liquid level sensor
An improved liquid level sensor is disclosed which provides a reliable and simple device for accurately determining the level of a liquid within a vessel. The sensor utilizes a plurality of...
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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...
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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...
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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,...
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