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WO2014085753A1 - Procédé de configuration d'un système de capteurs de niveau de carburant pour une géométrie unique de réservoir - Google Patents

Procédé de configuration d'un système de capteurs de niveau de carburant pour une géométrie unique de réservoir Download PDF

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Publication number
WO2014085753A1
WO2014085753A1 PCT/US2013/072472 US2013072472W WO2014085753A1 WO 2014085753 A1 WO2014085753 A1 WO 2014085753A1 US 2013072472 W US2013072472 W US 2013072472W WO 2014085753 A1 WO2014085753 A1 WO 2014085753A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel level
fuel
processor
fuel tank
level sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2013/072472
Other languages
English (en)
Inventor
Mark Daniel Leasure
Russell Lee Sanders
Matthew Jay Srnec
Mark Alan Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robertshaw Controls Co
Thermo King Corp
Original Assignee
Robertshaw Controls Co
Thermo King Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robertshaw Controls Co, Thermo King Corp filed Critical Robertshaw Controls Co
Publication of WO2014085753A1 publication Critical patent/WO2014085753A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
    • G01F23/36—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using electrically actuated indicating means
    • G01F23/363—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using electrically actuated indicating means using electromechanically actuated indicating means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/80—Arrangements for signal processing
    • G01F23/802—Particular electronic circuits for digital processing equipment
    • G01F23/804—Particular electronic circuits for digital processing equipment containing circuits handling parameters other than liquid level
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/0319—Fuel tanks with electronic systems, e.g. for controlling fuelling or venting
    • B60K2015/03197—Systems for exchanging data
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/0321—Fuel tanks characterised by special sensors, the mounting thereof
    • B60K2015/03217—Fuel level sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/14—Trucks; Load vehicles, Busses
    • B60Y2200/147—Trailers, e.g. full trailers or caravans

Definitions

  • the embodiments disclosed herein relate generally to a device and method for measuring a fuel level in a fuel tank of a transport refrigeration system (“TRS").
  • TRS transport refrigeration system
  • An electrical/mechanical fuel level sensor device can have a mechanical assembly connected to a potentiometer.
  • the mechanical assembly typically has mechanical gears connected to an arm with a floater.
  • the arm and the floater are disposed inside a fuel tank.
  • a simple fuel level display that is basically a dial with a needle, can be connected to the mechanical gears so that the needle moves based on the position of the floater.
  • the metal gears can be connected to the potentiometer, such that when the metal gears move, the potentiometer's divided resistances change accordingly.
  • the potentiometer is connected to a remote power source.
  • the remote power source is a generator set ("genset") of a TRS and electricity is delivered through the potentiometer via an electrical wire.
  • the potentiometer is powered only when the TRS is on and/or is set to provide electricity to the potentiometer.
  • the mechanical gear Based on the position of the arm of the mechanical assembly, the mechanical gear can move a sliding contact of the potentiometer to affect its electric potential. Accordingly, the movement of the mechanical gears due to the position of the arm displaced by the floater being floated by the fuel in the fuel tank, can change the electric potential at the potentiometer, which can be detected via the same electrical wire.
  • the measurement of electric potential which may be an approximation of a fuel level in the fuel tank can be sent via measurement signal to a TRS controller of the TRS
  • the electrical/mechanical fuel level sensor device's accuracy is dependent on the mechanical design and properties of one or more of the fuel tank, mechanical gears, the arm, the floater, and the condition of the wire(s) and any wire connectors that connects the potentiometer to the vehicle's components. Accordingly, the electrical/mechanical fuel level sensor device is not accurate. In particular, the electrical/mechanical fuel level sensor device is not accurate when there is movement of the fuel in the fuel tank (e.g. movement of the transport, vibration from the engine, etc.) and/or when the fuel tank is not in a perfectly leveled position horizontally.
  • the fuel level displayed on the remote display would be inaccurate when the transport temperature controlled trailer unit is going up an incline or going down a decline, because the floater position would move up or down based on the incline or decline angle (i.e. position of the fuel in the fuel tank), and not necessarily an amount of the fuel contained in the fuel tank.
  • the electrical/mechanical fuel level sensor device prevent the electrical/mechanical fuel level sensor device from an accurate measurement of the fuel level in the fuel tank.
  • the embodiments described herein are directed to a fuel level measurement system and a fuel level measurement device for a fuel tank of a transport refrigeration system.
  • embodiments described herein include a fuel level measurement system without having a wired connection between the fuel level measurement device and a remote controller that displays the fuel level.
  • the embodiments described herein are directed to fuel level sensing on a variety of tank configurations (e.g. size, diameter, etc.) utilizing a single sensor hardware design and an algorithm to compensate for tank size, shape, ambient temperature, motion, and rapid volume change events.
  • An embodiment of a method for adjusting an operation of a fuel level sensor includes a processor receiving a selection of a fuel tank type and storing the fuel tank type to a computer readable memory; and applying a strapping table related to the fuel tank type to a fuel level data received by the processor to generate an adjusted fuel level.
  • the method can also include storing the adjusted fuel level to the memory.
  • a fuel measurement system and a wireless fuel level measurement device for a TRS are provided.
  • An embodiment of the wireless fuel level measurement device includes a memory which stores computer-readable instructions for calculating a fuel level, and for adjusting operation of a fuel level sensor based on tank configuration data.
  • the wireless network interface in communication with the processor for communicating the fuel level to a remote controller, such as a TRS controller.
  • the battery powers the processor, the memory, the temperature sensor, and the wireless network interface.
  • the wireless fuel level measurement device can be powered independently from the transport's engine and/or power supply. Accordingly, the wireless fuel level measurement device does not require an electrical wire from the transport's engine to power the wireless fuel level measurement device.
  • the embodiments described herein are also directed to adjusting how the battery powered wireless device, such as a fuel level sensor, is operating based on a detected ambient temperature and condition of the battery that powers the fuel level sensor.
  • An embodiment of the wireless fuel level measurement device includes a sealed casing that encases the processor, the memory, the temperature sensor, the wireless network interface, and the battery.
  • the sealed casing can include a housing and a potting material, wherein the processor, the memory, the temperature sensor, the wireless network interface, and the battery are disposed in the housing, and the potting material seals the housing to encase the processor, the memory, the temperature sensor, the wireless network interface, and the battery inside the sealed casing.
  • the wireless fuel level measurement device includes a potentiometer connected to the processor for communicating raw fuel level data.
  • the potentiometer can be contained in a compartment that is separated from a compartment of the housing containing the processor, the memory, the temperature sensor, wireless network interface, and the battery.
  • the potentiometer can be connected to a floater assembly, which includes a floater configured to be floated by a fuel in a fuel tank, and an arm connected to the floater, wherein the arm is displaced when the floater is moved, and the raw fuel level data is determined by a position of the floater.
  • An embodiment of a fuel level measurement system includes a remote controller that displays the fuel level communicated from the wireless network interface of the wireless fuel level measurement device.
  • the remote controller can also send data to the wireless fuel level measurement device.
  • An embodiment of a method for producing a sealed wireless fuel level measurement device includes providing a housing; placing logic board inside the housing, wherein the logic board includes a memory, a processor, the temperature sensor, and a wireless network interface; and completely sealing the logic board that is inside the housing by covering an opening of the housing with a layer of a potting material.
  • the logic board may include a battery for powering the logic board inside the housing.
  • the method can include a step of placing the battery that powers the logic board inside the housing, prior to the step of completely sealing the logic board.
  • FIG. 1 A illustrates a side view of an embodiment of a transport temperature controlled trailer unit with a transport refrigeration system.
  • FIG. IB illustrates a side view of an embodiment of a trailer unit with a fuel level measurement device system and a cutaway side view of a fuel tank.
  • FIG. 2 illustrates a cutaway side view of an embodiment of a fuel level measurement device.
  • FIG. 3 illustrates a front perspective view of an embodiment of a fuel level sensor for a fuel tank of a transport refrigeration system.
  • FIG. 4 illustrates a rear view of an embodiment of a fuel level sensor for a fuel tank of a transport refrigeration system.
  • FIG. 5 illustrates a block diagram of an embodiment of the logic board.
  • FIG. 6 illustrates a flowchart of an embodiment of a method for adjusting an operation of a fuel level sensor.
  • the embodiments described herein are directed to a transport fuel level measurement device and system.
  • the term “reefer” generally refers to, for example, a temperature controlled trailer, container, or other type of transport unit, etc.
  • transport refrigeration system refers to a refrigeration system for controlling the refrigeration of an in internal space of the reefer.
  • wireless refers to a communication system that is configured to transmit data via a wireless connection over a short distance, such as, for example, between different points of a reefer that is in transport.
  • remote controller refers to an electronic device that is configured to wirelessly communicate with another wireless device to receive data, manage, command, direct and/or regulate the behavior of the wireless device.
  • An example of the remote controller is a TRS control unit.
  • TRS control unit refers to an electronic device that is configured to manage, command, direct and regulate the behavior of one or more TRS refrigeration components (e.g., an evaporator, a blower, a heat exchanger, etc.), a TRS engine, a TRS main battery, a TRS alternate battery (if included in the transport refrigeration system), a TRS fuel tank, etc.
  • FIG. 1A illustrates a side view of a temperature controlled transport unit 100 with a TRS 50.
  • the TRS 50 includes a transport refrigeration unit (TRU) 101, a genset (not shown), and a plurality of wireless sensors including a door sensor 113 and a fuel level sensor 114.
  • the TRU 101 is installed on a side wall of the transport unit 100.
  • the generator set of the TRS 50 can be mounted under the transport unit 100.
  • the TRS 50 is configured to transfer heat between an internal space 30 of the transport unit 100 and the outside environment.
  • the TRS 50 is a multizone system in which different zones or areas of the internal space 30 are controlled to meet different refrigeration requirements based on the cargo stored in the particular zone.
  • the TRS 50 also includes a wireless communication system 10 and a fuel tank 110.
  • the wireless communication system 10 includes a network coordinator (not shown), an antenna 20, and a plurality of wireless sensors (e.g., the door sensor 113 and the fuel level sensor 114).
  • the wireless communication system 10 is configured to communicate information regarding the TRS 50 to a remote controller, such as a TRS controller (not shown) of the TRS 50.
  • the TRS controller can be housed in the TRU 101.
  • FIG. IB illustrates a side view of an embodiment of a transport temperature controlled trailer unit 100 with a fuel level measurement system 102.
  • the transport temperature controlled trailer unit 100 may be for delivering a reefer with a transport refrigeration system.
  • the fuel level measurement system 102 includes a remote controller 104 (e.g. a TRS controller) that is in wireless communication 106 with a wireless fuel level measurement device 108.
  • the wireless fuel level measurement device 108 is connected to a fuel tank 110 of the transport temperature controlled trailer unit 100.
  • FIG. IB illustrates a cutaway side view of the fuel tank 110 to show the configuration of the fuel level measurement device 108 that is connected to the fuel tank 110.
  • the fuel level measurement device 108 has a floater assembly 1 12 disposed inside the fuel tank 110, and a fuel level sensor 114 disposed outside the fuel tank 110.
  • FIG. 2 shows a cutaway side view of an embodiment of the fuel level measurement device 108 shown in Fig. IB.
  • the fuel level measurement device 108 includes the floater assembly 112 and the fuel level sensor 114.
  • the floater assembly 112 includes a floater 116 configured to float on fuel housed inside the fuel tank 110 (shown in Fig. IB).
  • the floater 116 is connected to an arm 118, which is connected to mechanical gears 120.
  • the floater 116 and the arm 118 are configured to be disposed inside the fuel tank.
  • the fuel level sensor 114 includes a potentiometer 122 that connects to the mechanical gears 120.
  • the potentiometer 122 can include one or more magnets 124 that match with one or more magnets 126 of the mechanical gears 120.
  • the fuel level sensor 114 includes a casing 128.
  • the casing 128 has a housing 130 and a layer of potting material 132.
  • the housing 130 can be made from, for example, an epoxy encapsulant which cures at room temperature to a tough, semi-rigid polymer, which has very good resistance to water, acids and bases and organic solvents.
  • the housing 130 has a first compartment 134 for containing the potentiometer 122, and a second compartment 136 for containing a logic board 138.
  • the first compartment 134 has a shaped wall portion 140 configured to mate with the floater assembly 112.
  • the first compartment 134 can include interface fitting structure (e.g. crush ribs) configured to fit tightly with the floater assembly 112.
  • the shaped wall portion 140 is between the first compartment 134 and the second compartment 136.
  • the shaped wall portion 140 may have one or more grooves 142 for wire(s) 144 to travel across between the first compartment 134 and the second compartment 136.
  • the one or more grooves 142 can provide positioning of the wire(s) 144 so as to protect the wire(s) 144 from the environment (e.g. rain, snow, mud, dirt, rocks, etc.) when the fuel level sensor 114 is installed to the fuel tank 110.
  • the wire(s) 144 are integrally connected to the potentiometer 122 and the logic board 138, without any wire “connectors” (which generally have plastic clips and/or thin metal connectors) that can rust or wear out during normal use over time.
  • the housing's 130 second compartment 136 is configured to receive and contain the logic board 138.
  • the second compartment 136 is separated from the first compartment 134, such that the second compartment 136 can contain the logic board 138 and be sealed completely and separately from the first compartment 134.
  • the sealing of the second compartment 136 can be performed by providing the layer of potting material 132 over the logic board 138. The result provides a completely sealed logic board 138 contained in a sealed compartment 136 of the casing 128 that protects the logic board 138 from the elements.
  • FIG. 5 illustrates a block diagram of an embodiment of the logic board 138 for the fuel level sensor 114.
  • the logic board 138 can include (or be connected to) one more or more of a processor 200, a memory 201, a network interface 202, a battery 203, and a temperature sensor 204.
  • the second compartment 136 contains one more or more of the processor 200, the memory 201, the network interface 202, the battery 203, and the temperature sensor 204.
  • the memory 201 stores computer-readable instructions for the operation of the fuel level sensor to compensate for different fuel tank configurations (e.g. size), so that a single design of the fuel level sensor can report a fuel level of a fuel tank, without the fuel tank configuration affecting the reported fuel level.
  • the memory 201 can store data for one or more strapping tables for one or more fuel tank types.
  • FIG. 6 illustrates a flowchart of an embodiment of a method 300 for adjusting an operation of a fuel level sensor.
  • the method 300 adjusts the operation of the fuel level sensor to compensate for different fuel tank configurations (e.g. size), so that a single design of the fuel level sensor can report a fuel level of a fuel tank, without the fuel tank configuration affecting the reported fuel level.
  • a strapping table also known as fuel tank strapping chart
  • the method 300 allows for the fuel level sensor to be configured for the application- specific tank geometry.
  • a fuel tank type can be selected 302 by a user at installation of the fuel level sensor.
  • the fuel level sensor is configured either by sending a calibration data via a download to the fuel level sensor end node using a sensor network or by locally selecting the calibrations when they are pre-loaded and indexed on the sensor end node.
  • the fuel tank type is stored into a memory 201 (shown in FIG. 5) of the fuel level sensor.
  • the processor following the computer-readable instructions, applies 304 a strapping table associated with the fuel tank type selected.
  • the same fuel level sensor can be reconfigured for different tank geometries.
  • the fuel level sensor uses the calibration programmed into the memory 201 (shown in FIG. 5), to map the input to the fuel level sensor to a known percentage capacity of the fuel tank.
  • This design improves upon existing transport fuel level sensors in the market by accommodating more than one tank style and can accommodate cylindrical tanks of different diameters along with rectangular and irregularly shaped tanks. It provides a means to dynamically replace the calibration in the sensor with a new one. Further, this device and method improves upon the current analog resistive fuel float system by applying a calibration to the resistive element output prior to sending the reading to the rest of the system.
  • a simple fuel level display 146 that is basically a dial with a needle, can be provided at the potentiometer 122 so that the needle moves based on the position of the floater 116.
  • the floater 116 is floated by a fuel contained in the fuel tank.
  • the floater 116 is connected to the arm 118 of the floater assembly 112, and the displacement of the floater 116 due to the level of the fuel rotates the arm 118 about a pivot 148 at a gear mechanism 120 of the floater assembly 112.
  • the gear mechanism 120 is connected to the potentiometer 122 of the fuel level sensor 114, by for example, a magnetic connection so that the fuel level sensor 114 can be quickly and easily be connected and disconnected from the floater assembly 112.
  • FIG. 3 shows an embodiment of a front side of an embodiment of a fuel level sensor 114 of a fuel level measurement device 108.
  • the front side of the fuel level sensor 114 would face away from a fuel tank when the fuel level sensor 114 is connected to the fuel tank.
  • the fuel level sensor 114 has a substantially cylindrical shape in general.
  • the analog display 146 having a needle dial 150 is disposed at (or substantially near) the center of the fuel level sensor 114.
  • a beveled view angle portion 152 is angled from a first surface portion 154 of the housing 130 of the fuel level sensor 114 towards the analog display 146. The beveled view angle portion 152 can enhance the visibility of the analog display 146.
  • a light-emitting diode (LED) 156 is provided to be visible on the surface portion 154.
  • the LED 156 can be connected to the processor on the logic board 138 for displaying an information regarding an operation and/or condition of the fuel level sensor 114.
  • the housing 130 can include a recess for the LED 156 for enhancing viewability of the LED 156 when lit.
  • FIG. 4 shows and embodiment of a backside (view from the rear) of an embodiment of a fuel level sensor 114.
  • the backside would face towards the fuel tank when the fuel level sensor 114 is connected to the fuel tank.
  • the embodiment of the fuel level sensor 114 shows a first compartment 134 and a second compartment 136 separated by a wall portion 140, wherein the first compartment 134 is disposed near the center of a substantially cylindrically shaped housing 130, with the second compartment 136 forming a ring-shaped compartment which surrounds the first compartment 134.
  • the logic board contained in the second chamber 136 can be substantially ring-shaped to match the shape of the second compartment 136.
  • the wall portion 140 is configured to receive a gear mechanism of a floater assembly.
  • the wall portion 140 can include an interface fitting structure 141 (e.g. crush ribs) configured to fit tightly with most conventional types of floater assembly.
  • the first compartment 134 contains a potentiometer 122, which has wire(s) 144 extending from it. The wire(s) 144 navigate through the wall portion 140 via matching groove(s) towards a logic board contained in the second compartment 136.
  • the second compartment 136 is completely sealed with a layer of potting material 132.
  • a fuel level sensor 114 can be added to an existing resistive fuel gauge and mechanical fuel float assembly, such that the combination provides the resistive fuel gauge to be embedded into a sealed casing with the fuel level measurement device digital component in order to provide a rugged fuel measurement device.
  • the embodiments of the fuel level measurement device 108 described herein can provide one or more of the following features: Communication of fuel level in a fuel tank to a remote controller is performed wirelessly (wires can degrade over time); also no external wire connectors are needed (like wires, external connectors that connect various electrical components can wear out, be damages, rust, oxidize, etc.); and electronics of the fuel level sensor are completely sealed and protected from the elements.
  • Advantages of the above embodiments include, but are not limited to, an improvement in reliability of fuel level sensing technology for reefers due to elimination of exposed wires that are subject to damage during transport of the reefer; improvement in the serviceability of the fuel level sensing technology, because wired fuel sensor systems are time consuming to troubleshoot and can be costly to repair, while embodiments of the wireless fuel level measurement device can provide fast and easy installation and/or replacement of the fuel level measurement device to the fuel tank of the transport; and viewability of an analog display.
  • wires provide power to the electronic fuel level measurement devices and/or the wires are conduits of data from the fuel level measurement device to a TRS controller, the wires have been found to be subject to normal wear and tear which disables the fuel sensor system.
  • a wireless fuel level measurement device and system has no exposed wires that can be damaged by normal wear and tear. Further, the wireless fuel level measurement device can be easily and quickly replaced, if there is a case of failure.
  • a method for adjusting an operation of a fuel level sensor comprising:
  • a processor receiving a selection of a fuel tank type
  • the processor applying a strapping table related to the fuel tank type selected to a fuel level data received by the processor. 2. The method according to aspect 1, further comprising the processor receiving the fuel level data.
  • a wireless fuel level measurement device comprising:
  • a memory which stores computer-readable instructions for:
  • a processor in communication with the memory, which executes the computer-readable instructions
  • a wireless network interface in communication with the processor for communicating the fuel level to a remote controller
  • the wireless fuel level measurement device includes applying a strapping table related to the fuel tank type selected to a fuel level data received by the processor.
  • a sealed casing that encases the processor, the memory, the wireless network interface, and the battery.
  • the sealed casing includes:
  • a housing a housing, and a potting material, wherein the processor, the memory, the wireless network interface, and the battery are disposed in the housing, and the potting material seals the housing to encase the processor, the memory, the wireless network interface, and the battery inside the sealed casing.
  • a fuel level measurement system comprising:
  • the floater assembly connected to the potentiometer, the floater assembly including: the floater configured to be floated by a fuel in a fuel tank; and
  • a method for adjusting an operation of a fuel level sensor comprising:
  • a processor receiving a selection of a fuel tank type
  • the processor applying a strapping table related to the fuel tank type to a fuel level data received by the processor to generate an adjusted fuel level.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Level Indicators Using A Float (AREA)

Abstract

Cette invention concerne un dispositif, un système et un procédé conçus pour communiquer sans fil un niveau de carburant d'un réservoir de carburant à un contrôleur TRS. Le système électronique du capteur de niveau de carburant, qui comprend un capteur de température pour mesurer la température ambiante est entièrement scellé et protégé des éléments. Le capteur de niveau de carburant peut être connecté et déconnecté rapidement d'un ensemble flotteur mécanique et/ou d'un réservoir de carburant.
PCT/US2013/072472 2012-11-30 2013-11-29 Procédé de configuration d'un système de capteurs de niveau de carburant pour une géométrie unique de réservoir Ceased WO2014085753A1 (fr)

Applications Claiming Priority (2)

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US201261731996P 2012-11-30 2012-11-30
US61/731,996 2012-11-30

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WO2014085753A1 true WO2014085753A1 (fr) 2014-06-05

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US20090064777A1 (en) * 2007-09-06 2009-03-12 Oscar Horacio Mundo Apparatus for measuring and/or controlling liquid levels
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US20110303003A1 (en) * 2010-06-10 2011-12-15 Honeywell International Inc. Accumulator with both direct and remote quantity level indication
US20120259560A1 (en) * 2011-04-11 2012-10-11 Schmitt Industries, Inc. Event monitoring and detection in liquid level monitoring system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5651286A (en) * 1996-07-23 1997-07-29 Teleflex Incorporated Microprocessor based apparatus and method for sensing fluid level
US20090064777A1 (en) * 2007-09-06 2009-03-12 Oscar Horacio Mundo Apparatus for measuring and/or controlling liquid levels
US20110140877A1 (en) * 2008-08-22 2011-06-16 James Wilson Gilchrist Fuel monitoring apparatus and methods
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