| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 073313000 |
With electrically controlled indicator
| 48 |
| 073317000 |
Pivoted float arm
| 39 |
| 073306000 |
Combined
| 10 |
| 073309000 |
Buoyancy type
| 8 |
| 073311000 |
Multiple floats | 5 |
| 20100242597 | MULTI-JOINT FUEL LEVEL SENDER GAGE ASSEMBLY - A fuel level measuring system for a liquid fuel tank may utilize a primary sender gage assembly employing at least a primary sender gage, a primary sender arm, and a primary sender float. The system may further utilize a secondary sender gage assembly employing at least a secondary sender gage, a secondary sender arm, and a secondary sender float. A dash indicator may display a fuel level of fuel within the fuel tank based upon resistances from the sender gages. The primary sender float and the secondary sender gage are contained within a single unit that is buoyant in liquid fuel. The fuel tank may have a top dome portion and a bottom dome portion that the secondary sender float is capable of occupying while the sender gages transmit a signal corresponding to fuel levels in the tank. | 09-30-2010 |
| 20110277546 | TANK FULLNESS MONITORING SYSTEM - What is disclosed is a tank fullness monitoring system. The tank fullness monitoring system includes a plurality of buoyant sensor nodes coupled in series along a line, where the buoyant sensor nodes are configured to hang in series along the line, and where each of the buoyant sensor nodes is configured to indicate when floating at a fluid interface. The tank fullness monitoring system also includes a control node attached to the tank and coupled to a first one of the buoyant sensor nodes, and configured to monitor the buoyant sensor nodes. | 11-17-2011 |
| 20120152016 | MAGNETOSTRICTIVE PROBE HAVING PHASE SEPARATION FLOAT ASSEMBLY - Embodiments of the present invention provide a phase separation float assembly, a phase separation detection system, and a method for detecting phase separation. One embodiment comprises a first float subassembly comprising a first float adapted for vertical travel along a fuel level probe shaft and a magnet. This embodiment also comprises a second float subassembly comprising a second float adapted for vertical travel along the shaft. The first float has a first density and the second float has a second density greater than the first density. The second float subassembly further comprises at least one stop feature which engages the first float subassembly when the first float subassembly travels vertically a predetermined distance along the fuel level probe shaft. The first float density is selected such that the first float subassembly travels vertically along the shaft to engage the at least one stop feature in the presence of phase separation. | 06-21-2012 |
| 20130247659 | INTELLIGENT DRAFT GAUGE FOR SHIPS - A draft gauge, including: four balancing float tanks, a central control room, a first and second connection beam, a pump-valve chamber, a longitudinal connection beam, flexible centering brackets, a lateral connection beam, a scanning sensor, and a side scanner. The four balancing float tanks are arranged at two sides of a hull with every two balancing float tanks arranged at each side of the hull. The flexible centering brackets are fixed on an inner side of the first connection beam and on an inner side of the second connection beam, respectively. Every two balancing float tanks at opposite sides of the hull are connected via the lateral connection beam. The scanning sensors are evenly arranged on the lateral connection beam. The side scanner is arranged on one side of the balancing float tank in a close proximity to the hull. | 09-26-2013 |
| 20140331764 | System for Measuring a Liquid Surface Level within a Storage Tank - A measuring system places a plurality of sensor arrays in a lateral enclosure, the sensors being able to measure movement of magnetic floats from which a liquid level can be calculated. The plurality of sensor arrays is serially positioned in the lateral enclosure in order to enable monitoring of the entire lateral enclosure. The plurality of sensor arrays uses a circuit board with a plurality of a Hall-Effect sensors and a microcontroller to detect the magnetic floats. The circuit boards are also provided with male and female interconnectors to allow an arbitrary sensor array to be connected to an adjacent sensor array; through these connections each of the plurality of sensor arrays is grouped and in combination able to monitor the entire area of the lateral enclosure. A segmented construction for the lateral enclosure is also possible, with each segment containing one of the sensor arrays. | 11-13-2014 |
| 073314000 |
With position sensing | 4 |
| 20120266670 | LIQUID LEVEL DETECTION DEVICE - Disclosed is a liquid level detection device that can be miniaturized. The liquid level detection device | 10-25-2012 |
| 20150346018 | AN APPARATUS FOR NON-CONTACT LEVEL SENSING - Provided is a sensing device used for sensing the level of the liquid in a liquid storage system. The sensing device according to the invention is a non contact type and uses a float comprising a sensing device and a magnet. According to the level of liquid, the float assembly moves upwards or downwards and creates variation in air gap between the sensing element and a ferromagnetic member thereby obtaining output variations which is used to update the level of the fluid in the liquid storage from time to time. | 12-03-2015 |
| 20150362356 | FLUID LEVEL SENSOR - A sensor housing of a fluid level sensor includes a peripheral wall portion and a lead wire inserting portion. The peripheral wall portion forms a hollow space penetrating in the depth direction of the sensor housing and is formed in a manner of surrounding the periphery of a terminal area of a lead frame. The lead wire inserting portion is formed by notching the peripheral wall portion in the depth direction of the sensor housing. The lead wire inserting portion consists of a first inserting portion into which a lead wire extending from the terminal area is inserted and a second inserting portion into which the lead wire is inserted after passing through the first inserting portion and holds the lead wire in a manner of bending the lead wire in a crank shape. With this configuration, the fluid level sensor can prevent leak current generated on the terminal area and thus can connect a conductive wire (the lead wire) used for connection with an external circuit with the terminal area in good condition. | 12-17-2015 |
| 20160025547 | MAGNETOSTRICTIVE TRANSMITTER PIEZOELECTRIC PICKUP SENSOR - A pickup sensor is disclosed for a magnetostrictive sensing instrument for sensing position of a magnetic field. The instrument includes an elongate tube having a near end and a distal end. A magnetostrictive wire in the tube has first and second ends. The second end is operatively secured at the tube distal end. The pickup sensor comprises a housing mounted proximate the tube near end. A pair of crystals are in the housing sandwiching the magnetostrictive wire so that interaction between an electric pulse on the magnetostrictive wire and a magnetic field produces a torsional wave on the magnetostrictive wire sensed by the pair of crystals. A pair of spring elements are mounted in the housing sandwiching the crystals to provide consistent contact force between the crystals and the magnetostrictive wire. | 01-28-2016 |
| 073319000 |
Vertically reciprocable | 3 |
| 20140109668 | Apparatus for a portable clamp-on no spill gauge - An apparatus and method for detecting when the amount of fluid being filled into a tank reaches a certain predetermined level are provided. The portable no-spill fluid level gauge has a substantially clear cylindrical body with a level indicator near one end. Buoyant members and substantially rigid rod having guides at each end thereof are positioned within the body such that the rod is above the buoyant members. A clamp is attached to the exterior of the body for removably affixing the gauge to the tank's opening such that a portion of the gauge is positioned within the tank. During the filling of the tank with fluid, the fluid flows into the body through openings in the body of the gauge thereby causing the buoyant members to exert an upward force upon the rod through one of the guides and thus move the upper guide towards the level indicator. | 04-24-2014 |
| 20130091947 | DETERMINING A POWER SAVING MODE BASED ON A HARDWARE RESOURCE UTILIZATION TREND - Techniques are disclosed for managing the amount of power consumed by server components of a computer system, each server component having multiple power modes. The utilization of each server component is monitored. Based on the monitored utilization, a time period is determined in which to apply a selected power mode to the respective server component. The respective server component is configured to operate in the selected power mode for at least the determined time period. | 04-18-2013 |
| 20140366628 | VISUAL FLUID LEVEL INDICATOR - A fluid level indicator is provided for use with a fuel system. The fluid level indicator may have a generally hollow body with an open first end and a closed second end configured to be mounted at least partially inside a filter canister. The fluid level indicator may also have an annular float configured to receive and slide along the second end of the generally hollow body, and a plunger located within an interior of the generally hollow body. At least one of the annular float and the plunger is magnetic and configured to interact with the other of the annular float and the plunger. | 12-18-2014 |
| 073322500 |
Float structure | 2 |
| 20090090181 | SYSTEM AND METHOD FOR INDICATING LIQUID LEVEL WITHIN A RECEPTACLE - A system for indicating a level of liquid within a container includes a float housing, a float within the float housing, a cover cap secured to the float housing through a tube, and a rod connected to the float and slidably retained with the tube. The float is configured to move a controlled distance within the float housing in relation to a level of the liquid within the float housing. A distal end of the rod is positioned within the cover cap. The distal end of the rod is configured to indicate a liquid level based on movement caused by the float within the float housing. | 04-09-2009 |
| 20140290358 | CHEMICAL MEASURING DEVICE - The present invention relates to a liquid level measuring system comprising: a liquid container; a measuring stick immersed into the liquid container; and a buoyancy ball attached to the immersed end of the measuring stick. The measuring stick may include numerical markers indicating the liquid level within the liquid container. The liquid level measuring system may also include a threaded cap, where the threaded cap receives the measuring stick for insertion into the liquid container. | 10-02-2014 |
| Entries |
| Document | Title | Date |
|---|
| 20080295593 | FUEL SUPPLY SYSTEMS - A fuel supply system for supplying fuel from a fuel tank to an engine includes a fuel pump, a pressure regulator and a level sensor. The fuel pump pumps the fuel stored within the fuel tank. The pressure regulator regulates the pressure of the fuel before being supplied from the fuel pump to the engine and serves to return a surplus fuel into the fuel tank. The sensor detects the level of the fuel within the fuel tank and a surplus fuel is capable of being discharged to the sensor. | 12-04-2008 |
| 20080314143 | Device for measuring level of liquid - A device for measuring the level of liquid is disclosed. The device according to the present invention comprises a housing opened up and down, and including a roller seating unit formed at a predetermined position on an inner circumference thereof and a housing hinge connection unit formed at one side on an outer circumference thereof; a roller including a roller shaft at each end to be rotatably received in the roller seating unit of the housing; a measuring tape winding around an outer circumference of the roller with both ends extended downward into a liquid storage tank; a buoyant member mounted to one end of the measuring tape to be raised and lowered in accordance with variation of the level of liquid in the liquid storage tank; a weight mounted to the other end of the measuring tape and tightly supporting the measuring tape by being raised and lowered contrary to the buoyant member; a housing cover covering a top of the housing, and including a cover hinge connection unit formed at one side for hinge-connection to the housing and a magnifier formed in the center thereof; and a connection cap connecting a lower end of the housing with an entry pipe of the liquid storage tank. | 12-25-2008 |
| 20090139326 | FLOAT AND LIQUID CONTAINER USING THE FLOAT, METHOD FOR PREVENTING MALFUNCTION OF PROBE IN AUTOMATIC ANALYZER, AND EXAMINATION METHOD USING AUTOMATIC ANALYZER - In a liquid container used in an automatic analyzer, a float that makes it possible to prevent liquid from making contact with a liquid collection opening of the liquid container to form a film thereon is provided. A float is floated on the liquid surface of a reagent placed in a reagent container for use with an automatic analyzer. The float is equipped with a float body and a required number of buoyancy adjusters. The float body is equipped with a liquid surface cover that covers substantially the entire liquid surface, and a side wall portion positioned so as to project beneath the liquid surface from the liquid surface cover. The side wall portion constitutes a device for the purpose of suppressing swaying motions of the liquid surface cover by making contact with or engaging an inner wall of the reagent container when the reagent sways. | 06-04-2009 |
| 20100024544 | LIQUID LEVEL DETECTION APPARATUS FOR ENGINE OIL - A float-type oil-level detection apparatus is provided for detecting the surface of engine oil. A housing ( | 02-04-2010 |
| 20100089148 | METHOD AND SYSTEM FOR THE PROTECTION OF INTERNAL FILTERS OF A LTFT SLURRY BUBBLE REACTOR - The invention provides a method for the protection of internal filters of a LTFT slurry bubble reactor. The method includes the step of activating an emergency back-flush procedure during low slurry level conditions and/or during increasing temperature of an internal filter. | 04-15-2010 |
| 20100242596 | APPARATUS FOR GAUGING AMOUNT OF FUEL FOR VEHICLE - The present invention provides the fuel indication gauge that uses the materials of contact point and electrode conductor that have the strong corrosion, fuel resistance and chemical resistance. Especially, it provides the fuel quantity gauge that satisfies the requirements of various kinds of fuels in the world including poor quality of fuels and fuels that customers of vehicle manufacture companies require a test. | 09-30-2010 |
| 20120036928 | LIQUID VOLUME INSPECTION DEVICE WITH IMPROVED FLOATING BALL - A liquid volume inspection device with improved floating ball is disclosed which comprises an internal pipe, a coil wound about the outside of the internal pipe, an external sleeve, an improved floating ball, a base and an upper fixer, in which a magnetic inductor is accommodated within the improved floating ball, the improved floating ball is installed within the internal pipe, the upper end of the internal pipe is fixedly connected in screw with the upper fixer and the lower end of the internal pipe is fixedly connected to the base; when a liquid flows into the internal pipe, the improved floating ball floats in the internal pipe, thereby forming a smaller contact area between the inner wall of the internal pipe and the improved floating ball, so that the surface of the improved floating ball is not attachable to the inner wall of the internal pipe, and the improved floating ball is allowed to change the position thereof in real-time according to the elevation of the liquid level; then the variation of electrical induction in the magnetic inductor can be induced through the coil and the liquid volume therein can be shown on the external display panel through circuitry conversion. | 02-16-2012 |
| 20120060601 | TETHERED FLOAT LIQUID LEVEL SENSOR - An apparatus for sensing the level of a liquid includes a float, a tether attached to the float, a pulley attached to the tether, a rotation sensor connected to the pulley that senses vertical movement of said float and senses the level of the liquid. | 03-15-2012 |
| 20120073367 | APPARATUS FOR THE MONITORING OF FLOATING ROOF POSITION FOR STORAGE TANK ROOFS - A floating storage tank roof having a roof cover level monitor apparatus uses a flexible rod having a first end in contact with the storage tank cover bottom surface and a second end in contact with a base mounted to the top of the storage tank roof. As the rod flexes the second end of the rod is pushed into a slot within the base and against a resilient member within the slot. Within the slot are disposed proximity switches. As the rod second end sinks into the slot the proximity switches are actuated by mechanical or magnetic means. The spacing of the switches within the slot is calibrated to represent the level of the storage tank roof. A force transducer may also be used in lieu of the switches. | 03-29-2012 |
| 20120234092 | SEALING SYSTEM AND LEVEL MONITOR FOR A TANK - Sealing systems and level monitors for a tank are disclosed. A housing defines a bore and has exterior dimensions suitable for fitting in a port through the tank. An elongate member or cable passes through the bore of the housing. First and second seal assemblies are set within the bore against first and second stops, respectively, in the housing. The first and second seal assemblies are spaced from one another to form a fluid reservoir and are both sealed to the housing and to the elongate member or cable. The fluid reservoir may be pressured by a bias device. The elongate member or cable may be connected to a float. | 09-20-2012 |
| 20120255353 | Fluid Level Measurement Instrument by Using Solenoid Coil - To achieve a fluid level measurement instrument requiring no detecting pipe that can accurately measure over a long period of time a fluid level in a tank for storing therein fluid without having to use a detecting pipe for sampling the fluid from the tank. A balance tube | 10-11-2012 |
| 20120260729 | Soap Dispenser Having Fluid Level Sensor - A fill level sensor for a liquid soap container or vessel has a float-bearing arm and an accelerometer that is attached to a surface of the arm to detect changes in the volume of liquid soap in the container. A feedback system then conveys fill status information based on the output of the accelerometer, such as to service personnel who may be responsible for replenishing the supply of liquid soap in the container. | 10-18-2012 |
| 20120279295 | FUEL SENDERS AND METHODS OF ASSEMBLING FUEL SENDERS - Fuel senders and methods of assembling fuel senders are disclosed. Fuel senders according to the present disclosure include a housing with detector retaining structure, a detector that is wedged against an inside surface of the housing by the detector retaining structure, and a connector for electrically coupling the detector to a display device. In some embodiments, the detector retaining structure consists of two ribs extending longitudinally along the inside surface of the housing. | 11-08-2012 |
| 20130000401 | FLOAT FOR DISPLAYING A FILL LEVEL - A float for displaying the fill level of a medium ( | 01-03-2013 |
| 20130047720 | WATER LEVEL SENSOR SWITCH - A water level sensor switch installed in a sidewall of a water tank for detecting its water level is disclosed to include a housing having two bearing portions clamped on two opposite sides of the sidewall of the water tank and a tightening up screw fastened to a vertical wall at a different plane relative to the bearing portions and stop against the sidewall of the water tank to affix the housing to the water tank, a micro switch mounted in the housing, and a float connected to a switching lever of the micro switch outside the housing for biasing the switching lever up and down subject to the level of water in the water tank. | 02-28-2013 |
| 20130125646 | SYSTEMS AND METHODS FOR MONITORING AND TRACKING HEALTH RELATED ACTIVITIES - Monitoring and/or tracking systems and devices and methods for making and using the same are described. In some configurations, a system includes the following components: a stationary mounting surface defining an environment; a transmitter coupled to the stationary mounting surface; and a switch having a closed state and an open state. In various configurations, the switch is coupled to the stationary mounting surface and is in electrical communication with the transmitter. In various configurations, the switch occupies the closed state when the environment is in a first condition, the switch is toggled to the open state when the environment is in a second condition and the switch returns to the closed state when the environment returns to the first condition. In some configurations, the transmitter transmits discrete electrical signals corresponding with the closed state and the open state of the switch, respectively. Other embodiments are described. | 05-23-2013 |
| 20130160541 | METHOD AND DEVICE FOR DETECTING THE TANK FILLING LEVEL IN A MOTOR VEHICLE - A method for detecting the filling level in a motor vehicle. A device for ascertaining the tank filling level value of moving vehicles, including at least one tank, at least one filling level sensor, at least one control unit and at least one pump. | 06-27-2013 |
| 20140096603 | ACCURATE FLUID LEVEL MEASUREMENT DEVICE - A fluid level measurement system for sensing fluid level in a tank is disclosed that includes a float that moves vertically in the interior of the tank, and a force measuring mechanism coupled to the float that generates an output based on the upward force on the float. The system can include an outer tube where the float is contained in the outer tube. A microcontroller can compute fluid level using the force measuring mechanism output. Altitude and other factors can be accounted for. Exemplary force measuring mechanisms can include a Hall Effect sensor sensing position of a magnet coupled to the float, or a force sensor coupled to the float. The length of the float, or the float and uncompressed spring can be substantially equal to the height of the tank. The float can have a generally uniform or non-uniform outside diameter. | 04-10-2014 |
| 20140157891 | FEED HOPPER LEVEL INDICATOR - The present invention relates to a device to measure the level of grain in an opaque grain hopper by using a float positioned on a vertical rod with a cord connected to an indicator weight positioned on the outside of the grain hopper. | 06-12-2014 |
| 20140260601 | MAGNETOSTRICTIVE TRANSDUCER - A transducer includes a composite waveguide including a composite wire having an internal core of low electrical resistance material and an outer layer of magnetostrictive material. | 09-18-2014 |
| 20150027223 | CONTACT MATERIAL SUITABLE FOR FUEL SENDER SLIDER, AND FUEL SENDER SLIDER - Proposed is a contact material constituting a slider for a fuel sender, the slider moving on a conductor in conjunction with a float moving in accordance with a liquid level, wherein the contact material includes 10 to 25 mass % of nickel and a balance of palladium. The present contact material is useful in the light of material cost in addition to corrosion resistance and durability. The fuel sender is useful for vehicles, such as FFV, using composite fuel of alcohol and the like. The present invention allows for producing a slider for a fuel sender having excellent corrosion resistance and abrasion resistance. | 01-29-2015 |
| 20160123791 | LIQUID LEVEL DETECTOR - A liquid level detector includes a casing that is fixed to a container and includes a first regulatory section and a second regulatory section which are opposed to each other in a gravity direction, a float that floats on the liquid surface and has its upward and downward displacement along the gravity direction restricted by contact with the first regulatory section or the second regulatory section, a magnet body that extends along the gravity direction and is held by the float to be displaced upward or downward in conformity with the liquid surface, and a switch mechanism that is held by the casing and is switched between its on-state and off-state when one magnet end face of the magnet body in its extending direction is displaced in the gravity direction beyond a switching plane. The casing is assumed to be disposed in a first or second position. The float is arranged between the first regulatory section and the second regulatory section with a specific bottom end section directed in the gravity direction regardless of the disposing position of the casing. A first distance from the switching plane to the first regulatory section and a second distance from the switching plane to the second regulatory section are both longer than a length from the one magnet end face to the bottom end section. | 05-05-2016 |
