WO2019056047A1 - Système de gestion de poids pour un véhicule remorqué - Google Patents

Système de gestion de poids pour un véhicule remorqué Download PDF

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Publication number
WO2019056047A1
WO2019056047A1 PCT/AU2018/000184 AU2018000184W WO2019056047A1 WO 2019056047 A1 WO2019056047 A1 WO 2019056047A1 AU 2018000184 W AU2018000184 W AU 2018000184W WO 2019056047 A1 WO2019056047 A1 WO 2019056047A1
Authority
WO
WIPO (PCT)
Prior art keywords
weight
towed vehicle
bending moment
management system
sensor
Prior art date
Application number
PCT/AU2018/000184
Other languages
English (en)
Inventor
Andrew Huett
Senoll Kaptan
Original Assignee
Da Rouge Pty Ltd Atf Da Rouge Unit Trust
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
Priority claimed from AU2017903870A external-priority patent/AU2017903870A0/en
Application filed by Da Rouge Pty Ltd Atf Da Rouge Unit Trust filed Critical Da Rouge Pty Ltd Atf Da Rouge Unit Trust
Priority to AU2018337664A priority Critical patent/AU2018337664A1/en
Publication of WO2019056047A1 publication Critical patent/WO2019056047A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/14—Draw-gear or towing devices characterised by their type
    • B60D1/167—Draw-gear or towing devices characterised by their type consisting of articulated or rigidly assembled bars or tubes forming a V-, Y-, or U-shaped draw gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
    • B60D1/248—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for measuring, indicating or displaying the weight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/01—Traction couplings or hitches characterised by their type
    • B60D1/06—Ball-and-socket hitches, e.g. constructional details, auxiliary devices, their arrangement on the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/58—Auxiliary devices
    • B60D1/62—Auxiliary devices involving supply lines, electric circuits, or the like
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
    • G01G19/022—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing wheeled or rolling bodies in motion
    • G01G19/024—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing wheeled or rolling bodies in motion using electrical weight-sensitive devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
    • G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
    • G01G23/365—Indicating the weight by electrical means, e.g. using photoelectric cells involving comparison with a reference value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/60—Load
    • B60G2400/61—Load distribution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/14—Devices for determining tare weight or for cancelling out the tare by zeroising, e.g. mechanically operated
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/26—Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/13—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the tractive or propulsive power of vehicles
    • G01L5/136—Force sensors associated with a vehicle traction coupling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/16—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
    • G01L5/165—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using variations in capacitance

Definitions

  • the present invention relates generally to towed vehicles, such as trailers and recreational vehicles such as caravans, camper trailers and the like.
  • the present invention relates generally to a system and method for measuring and managing the weight of the towed vehicle that takes in to consideration the effects of movement on loads and load distribution.
  • Each trailer and recreational vehicle is provided with a weight compliance specification that determines a safe weight range for towing.
  • weights there are various types of weights to consider when towing a recreational vehicle. These include the Tare Mass (TM), Gross Trailer Mass (GTM), Aggregate Trailer Mass (ATM), Payload and Ball Weight.
  • the TM is the mass of the trailer/RV with no payload and is generally specified on the vehicle identification plate.
  • the GTM is the maximum possible weight that can be supported over the trailer's axle, which includes the maximum allowable payload but not the Ball Weight.
  • the GTM is also typically listed on the vehicle identification plate.
  • the ATM is the tare mass of the trailer plus the payload, which is the maximum the trailer/RV is able to weigh in transit.
  • the Payload weight includes everything that is added to the towing vehicle, including any extra fuel/water as well as any accessories.
  • the Ball weight is the weight incident on the tow ball of the towing vehicle and generally equates to the ATM - GTM.
  • a weight management system for towing a vehicle comprising; a plurality of weight sensors for determining weight of the towed vehicle passing through one or more axles of the towed vehicle;
  • a bending moment sensor for measuring a bending moment present on a portion of the chassis of the towed vehicle
  • a computer processor for receiving data from each of the weight sensors and bending moment sensor and for processing said data to detect a condition whereby a weight of the towed vehicle falls outside of a predetermined weight condition and/or a bending moment present on the chassis exceeds a bending moment limit;
  • the computer processor is configured to transmit a warning signal to a driver of the towed vehicle when one or more of said conditions is detected.
  • the plurality of weight sensors comprise a compression sensor mounted between the chassis of the towed vehicle and a spring of the suspension of the towed vehicle.
  • the computer processor may be provided with data supplied by the manufacturer of the towed vehicle setting the Tare Weight, Gross Trailer Weight and Aggregate trailer mass of the towed vehicle, prior to operation.
  • the bending moment sensor may be mounted to an arm of the towed vehicle connecting the towed vehicle to a hitching mechanism for hitching to the towing vehicle.
  • the bending moment sensor may be mounted within said arm and may comprise a capacitive sensor for determining deflection of the arm in the presence of said bending moment.
  • the bending moment sensor may be mounted within said arm and may comprises an optical sensor for determining deflection of the arm in the presence of said bending moment
  • Fig. 1 is a side view of caravan suitable for use with the present invention
  • Fig. 2 is an isolated view of a suspension mounted compression sensor for use with the present invention in accordance with an embodiment.
  • Fig. 3 is a top view of a front end of the caravan and the manner in which bending moment sensors may be fitted to the arms of the caravan in accordance with an embodiment of the present invention
  • Fig. 4 is a side view showing an alternative embodiment for fitting a bending moment sensor in accordance with the present invention.
  • Figs. 5A and 5B show relaxed and stressed depictions of the bending moment sensors of an alternative embodiment in action
  • Figs. 6A and 6B show relaxed and stressed depictions of the bending moment sensors of yet another alternative embodiment in action
  • Figs. 7A - 7C show message samples for delivery by the computer of the present invention to a driver of the towing vehicle in accordance with an embodiment of the present invention.
  • the present invention will be described below in relation to a caravan of the type that is to be towed by a vehicle. However, it will be appreciated that the present invention could be equally employed in any variety of recreational vehicles and camper trailers that are to be towed by a vehicle and still fall within the spirit of the present invention.
  • a caravan 10 is depicted for application of the present invention in accordance with an embodiment thereof.
  • the caravan 10 is of a conventional type and comprises a chassis 14 that supports a body 12.
  • the body 12 forms an enclosure over the top of the chassis 14 and is configured to function as a mobile accommodation space, as is well known in the art.
  • a hitch 15 is attached to a front end of the chassis 14.
  • the hitch 15 attaches to a tow ball or the like of a towing vehicle (not shown) and may be configured in a variety of different ways so as to provide secure attachment to the towing vehicle as well as the transfer of control signals from the towing vehicle to the caravan 10 so as to operate the turning signals of the caravan 10 and various other functions as would be well understood by those skilled in the art.
  • the chassis is supported above a ground surface by way of a pair of wheels 16 mounted upon a pair of axles 17 that extend across the chassis 14.
  • Each of the wheels 16 are mounted on opposing ends of the axles 17 with the axles 17 centrally located with respect to the caravan 10.
  • Each of the wheels 16 are free to rotate on the axle under the towing force supplied by the towing vehicle. Whilst two sets of wheels 16 on a pair of axles 17 are depicted in the embodiment of Fig. 1, it will be appreciated that in some situations, only a single set of wheels 16 on a single axle 17 may be employed.
  • Weight A is representative of the pay load weight of the caravan 10, namely everything added to the caravan, such as non-standard accessories, extra fuel/water, luggage, bedding and the like that does not form part of the standard Tare weight as specified on the vehicle identification plate.
  • Weight B is the weight of the vehicle that is supported over the caravan's axles 17.
  • Weight C is the Tow Ball weight, namely the download weight present on the tow ball of the towing vehicle.
  • the caravan 10 may be fitted with an angular sensor, typically an accelerometer or the like, that is capable of measuring the angular position of the caravan 10 in relation to a flat surface.
  • the caravan identification plate will list the Tare Mass and the ATM and GTM.
  • a compression sensor 20 is fitted between the spring member 22 of the suspension system 16 of the caravan, and the chassis 14, as depicted in Fig. 2.
  • the weight of the combined weight of the caravan will pass through the axles 17 and by placing a conventional compression sensor 20 at this location, the weight is able to be measured and monitored prior to journey, as well as during journey to ensure that the limits as set by the manufacturer of the caravan are maintained within safe limits.
  • An angular sensor 20a is also mounted in the suspension system 16 as the calculated force is a ration of the angle via the fixed pivot arm to the spring. This can then be used to determine the vertical weight B acting on the axles 17 of the caravan.
  • the compression sensor 20 may be a conventional axel type sensor that employs a conventional Wheatstone bridge arrangement to sense weight load.
  • the sensors 20 and 20a may be equipped with a transmitter to transmit readings in real time to a computer (not shown) amounted within the caravan 10.
  • the computer may also receive an estimate of the payload weight A, provided by the user prior to journey as a combined weight of the non-standard features being carried by the caravan 10.
  • the Ball weight, GTM and ATM are able to be readily calculated each time the computer receives a different sensed Weight B to ensure that the various weight guides are retained within the predetermined specified safe ranges.
  • the computer will send an alert to the driver through the caravan electronic connection, indicating to the driver that the weight distribution of the caravan has brought one or more of the established measurements outside the established safe range. The driver will then be able to stop the vehicle and redistribute the weight to address any such problems.
  • the present invention is also capable of monitoring other stresses on the towing vehicle and providing the driver with an indication that these stresses are at a level that requires re-distribution of the towing weight, despite the other weight measurements being within pre-defined limits.
  • the towing weight may be located toward the rear of the caravan, towards the front of the caravan or towards one side of the caravan, resulting in a significant reduction of handling control.
  • the forces applied by such weight onto the front end of the vehicle chassis can cause bending moments in the chassis forward of the wheels, namely the triangularly extending arms 30, 32 of the frame extending from the hitch 15, as shown in Fig. 3.
  • the bending moments present on the arms 30, 32 may be in an upward or downward direction or laterally.
  • the amount of flex or distortion of these arms 30, 32 during towing can be monitored and conveyed to the driver of the towing vehicle.
  • a preferred means for doing this is by causing a disconnection in the arms 30,32 and placing a tension/compression sensor arrangement 100 within the disconnection such that all forces acting on the arms 30, 32 pass through the tension/compression sensor 100 as shown. Tests can then be conducted to determine what types of readings are indicative of an unsafe load condition such that these measurements can be monitored during towing and if determined to exceed a predetermined setting, a warning signal will be sent to the driver instructing the driver to either stop of the forces exceed safe levels, or to exercise care if the forces are approaching an unsafe level.
  • a compression sensor 35 is applied to an underside of one of the arms 30 or 32.
  • the compression sensor 35 may be a conventional compression/tension sensor in the form of a strain gauge using a compression/tension Wheatstone bridge. Any strain bending moment present in the arm 30 or 32 will generate an output voltage which can be sensed and processed by the computer present in the caravan. The computer can then determine the amount of strain or stress being placed on the arms 30, 32 of the caravan and warn the driver if the sensed forces are above a threshold force.
  • the amount of deflection of the arms 30, 32 due to bending moments brought upon by poor weight distribution may be measured by a capacitive sensor system.
  • a conductive rod 38 may be mounted to extend within the hollow arms 30, 32 as shown.
  • a conductive plate 40 is fitted to measure the capacitance between the free end of the rod 38 and the surface of the plate 40.
  • the distance 'x' between the end of the rod 28 and the plate 40 is a substantially constant, resulting in a substantially constant capacitance sensed between the end of the rod 38 and the plate 40.
  • the forces present upon the arms 30, 32 change, as may be the case in a shift in the weight distribution in the caravan, the arm 30, 32 may flex in the manner as shown, shortening the length of arm 30, 32.
  • the rod 38 which is only fixed at one end, will not experience the same bending force and will retail its length thereby bringing its end closer to plate 40 and reducing the distance 'x'. This will be detected as an increase in capacitance and this value can then be used by the computer present in the caravan to generate a message to the driver if the detected capacitance level exceeds a predetermined amount indicative of a dangerous driving situation.
  • FIG. 6A and 6B An alternative embodiment for determining the magnitude of a bending moment acting on the arms 30, 32 of the caravan is depicted in Fig. 6A and 6B.
  • This embodiment functions on substantially the same principal but rather than employing capacitance as the means for detecting movement, the embodiment employs an optical sensor.
  • the light emitter 50 in an unloaded state, the light emitter 50 is mounted within the arm 30, 32 and emits light that is incident on an optical sensor plate 52 located at an opposing end of the arm 30, 32.
  • the emitted light will be incident upon a substantially central location of the optical sensor plate 52 when the bending moment experienced by the arm 30, 32 is negligible.
  • the arm 30, 32 will flex in the manner as shown, thus moving the optical sensor plate 52.
  • the light emitted by the light emitter 50 will move towards an edge of the optical sensor plate 52 and the distance moved will be detected and transmitted to the computer carried by the caravan for processing. If the computer determines that the change in incident light is significant, an alarm will be sent to the driver of the vehicle warning them that there has been a shift in weight distribution that places the towing situation in a more danger.
  • the computer present in the caravan may transmit information about the weight distribution of the caravan and any changes in distribution to a linked personal computer device, such as a smart phone, rather than directly to the towing vehicle.
  • the computer may communicate with a software program carried by a smart phone in the manner as depicted in Figs. 7A - 7C.
  • the computer is able to display to the user simple data about the load being towed by the vehicle, such as the trailer weight and the tongue or ball weight and load being carried by the caravan. This information can provide the user, typically the driver, the assurance that the loads are within specified limits.
  • the computer can convey those problems in the manner as depicted in Fig. 7B via the user's smart phone or connected electronic interface. If the sensors determine that the weight of the system falls outside recommended guidelines as provided by the manufacturer or governing bodies, this is conveyed by highlighting a specific condition, such as UNSAFE TO TOW, TRAILER WEIGHT EXCEEDS LIMITS. If the bending moments sensors determine an unsafe condition, this can be conveyed by indicating the source of the bending moment, such as LOAD IS TOP HEAVY, to assist the user in correcting or reviewing the problem.
  • a specific condition such as UNSAFE TO TOW, TRAILER WEIGHT EXCEEDS LIMITS.
  • the computer is able to continue reviewing the data being collected and if the data suggested that the weight distribution of the towed vehicle has changed warning signals such as those shown in Fig. 7C may be highlighted. These include, LOAD SHIFT DETECTED, SWAY DETECTED SLOW DOWN as well as SAFE TO TOW.
  • the computer present in the caravan may record the data where it can be used for a variety of purposes to improve knowledge about towing and road safety. This could include providing caravan manufacturers feedback as to the manner in which loads may shift during transit as well as other information about the loading of the caravan; providing insurance companies with information about load conditions in the event of an insurance claim, as well as providing data to governing bodies to provide them with more of an insight into the towing habits of road users for developing legislation and road laws.
  • system and method of the present invention provides a simple and effective means for capturing data associated with towing a caravan or trailer and ensuring that the weight and weight distribution of the towing situation is managed appropriately. This can be achieved both prior to and during transit so as to cater for weight load shifts and changes in road conditions, which may have an adverse effect on safety.

Abstract

L'invention concerne un système de gestion de poids pour remorquer un véhicule comprenant : une pluralité de capteurs de poids destinés à déterminer le poids du véhicule remorqué passant à travers un ou plusieurs essieux du véhicule remorqué ; un capteur de moment de flexion destiné à mesurer un moment de flexion présent sur un châssis du véhicule remorqué ; et un processeur informatique destiné à recevoir des données en provenance de chacun des capteurs de poids et du capteur de moment de flexion et à traiter lesdites données afin de détecter une condition selon laquelle un poids du véhicule remorqué se retrouve en-dehors d'une condition de poids prédéterminée et/ou un moment de flexion présent sur le châssis dépasse une limite de moment de flexion. Le processeur informatique est configuré pour transmettre un signal d'avertissement à un conducteur du véhicule remorqué lorsqu'une ou plusieurs desdites conditions sont détectées.
PCT/AU2018/000184 2017-09-22 2018-09-24 Système de gestion de poids pour un véhicule remorqué WO2019056047A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2018337664A AU2018337664A1 (en) 2017-09-22 2018-09-24 Weight management system for a towed vehicle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2017903870 2017-09-22
AU2017903870A AU2017903870A0 (en) 2017-09-22 Weight management system for a towed vehicle

Publications (1)

Publication Number Publication Date
WO2019056047A1 true WO2019056047A1 (fr) 2019-03-28

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ID=65809467

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2018/000184 WO2019056047A1 (fr) 2017-09-22 2018-09-24 Système de gestion de poids pour un véhicule remorqué

Country Status (2)

Country Link
AU (1) AU2018337664A1 (fr)
WO (1) WO2019056047A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3835094A1 (fr) * 2019-12-12 2021-06-16 Keystone RV Company Véhicules remorqués, dispositifs mobiles et interfaces utilisateurs de systèmes de détection de poids qui y sont compris
WO2022122387A1 (fr) * 2020-12-07 2022-06-16 Saf-Holland Gmbh Système de détection de charge d'essieu, système d'essieu et véhicule utilitaire équipé d'un système de détection de charge d'essieu

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0631116A1 (fr) * 1993-06-21 1994-12-28 Peter De Beer Dispositif pour mesurer le déplacement d'essieux
US5912439A (en) * 1997-07-28 1999-06-15 Eran; Oded System and method for safety control in vehicles
EP1264729A2 (fr) * 2001-06-06 2002-12-11 BPW Bergische Achsen Kommanditgesellschaft Méthode de détermination de la charge à l'essieu d'un véhicule
US6655710B2 (en) * 2002-02-27 2003-12-02 General Motors Corporation System for detecting trailer instability
EP1627803A1 (fr) * 2004-08-19 2006-02-22 Bradley Doublelock Limited Remorques
US20100131182A1 (en) * 2008-11-21 2010-05-27 Michael Deegan Systems and methods for measuring weight and weight distribution of a payload
EP1905618B1 (fr) * 2006-11-29 2011-05-11 Vishay PM Onboard Ltd Système pour indiquer l'état de charge d'un véhicule
US20130080078A1 (en) * 2011-09-28 2013-03-28 Alvin R. Wirthlin System and method for gauging safe towing parameters

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0631116A1 (fr) * 1993-06-21 1994-12-28 Peter De Beer Dispositif pour mesurer le déplacement d'essieux
US5912439A (en) * 1997-07-28 1999-06-15 Eran; Oded System and method for safety control in vehicles
EP1264729A2 (fr) * 2001-06-06 2002-12-11 BPW Bergische Achsen Kommanditgesellschaft Méthode de détermination de la charge à l'essieu d'un véhicule
US6655710B2 (en) * 2002-02-27 2003-12-02 General Motors Corporation System for detecting trailer instability
EP1627803A1 (fr) * 2004-08-19 2006-02-22 Bradley Doublelock Limited Remorques
EP1905618B1 (fr) * 2006-11-29 2011-05-11 Vishay PM Onboard Ltd Système pour indiquer l'état de charge d'un véhicule
US20100131182A1 (en) * 2008-11-21 2010-05-27 Michael Deegan Systems and methods for measuring weight and weight distribution of a payload
US20130080078A1 (en) * 2011-09-28 2013-03-28 Alvin R. Wirthlin System and method for gauging safe towing parameters

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3835094A1 (fr) * 2019-12-12 2021-06-16 Keystone RV Company Véhicules remorqués, dispositifs mobiles et interfaces utilisateurs de systèmes de détection de poids qui y sont compris
US11440556B2 (en) 2019-12-12 2022-09-13 Thor Tech, Inc. Trailed vehicles, mobile devices, and weight sensing system user interfaces comprised therein
WO2022122387A1 (fr) * 2020-12-07 2022-06-16 Saf-Holland Gmbh Système de détection de charge d'essieu, système d'essieu et véhicule utilitaire équipé d'un système de détection de charge d'essieu

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Publication number Publication date
AU2018337664A8 (en) 2022-03-03
AU2018337664A1 (en) 2020-04-30

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