SE454386B - DEVICE FOR SEATING THE PRESSURE OF A GAS INCLUDED IN A BODY INCLUDING THE AIR PRESSURE IN A VEHICLE TIRE - Google Patents

DEVICE FOR SEATING THE PRESSURE OF A GAS INCLUDED IN A BODY INCLUDING THE AIR PRESSURE IN A VEHICLE TIRE

Info

Publication number
SE454386B
SE454386B SE8603710A SE8603710A SE454386B SE 454386 B SE454386 B SE 454386B SE 8603710 A SE8603710 A SE 8603710A SE 8603710 A SE8603710 A SE 8603710A SE 454386 B SE454386 B SE 454386B
Authority
SE
Sweden
Prior art keywords
pressure
vehicle tire
sensor element
measuring unit
magnetic
Prior art date
Application number
SE8603710A
Other languages
Swedish (sv)
Other versions
SE8603710L (en
SE8603710D0 (en
Inventor
Carl Tyren
Fredy Olsson
Original Assignee
Carl Tyren
Fredy Olsson
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 Carl Tyren, Fredy Olsson filed Critical Carl Tyren
Priority to SE8603710A priority Critical patent/SE454386B/en
Publication of SE8603710D0 publication Critical patent/SE8603710D0/en
Priority to PCT/SE1987/000393 priority patent/WO1988001732A1/en
Priority to ES8702548A priority patent/ES2005001A6/en
Priority to AU78781/87A priority patent/AU7878187A/en
Publication of SE8603710L publication Critical patent/SE8603710L/en
Publication of SE454386B publication Critical patent/SE454386B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • B60C23/0433—Radio signals
    • B60C23/0435—Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender
    • B60C23/0444—Antenna structures, control or arrangements thereof, e.g. for directional antennas, diversity antenna, antenna multiplexing or antennas integrated in fenders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L17/00—Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)

Claims (4)

454 see 2 10 15 20 25 30 35 PATENTKRAV454 see 2 10 15 20 25 30 35 PATENTKRAV 1. l. Anordning för mätning av trycket hos en i en kropp innesluten gas, t ex lufttrycket i ett fordons- däck, - ett i en begränsningsvägg i kroppen anordnat mem- innefattande bran (2), som på ena sidan är utsatt för trycket i den i en kammare inneslutna gasen och på den andra sidan för ett referenstryck (3), varvid membranet (2) inne- fattar eller är förbundet med ett amorft magnetiskt givarelement, - samt minst en utanför kroppen, intill denna an- ordnad magnetspole (4), som är ansluten till en driv- enhet för alstring av ett magnetfält som påverkar nämnda givarelement, k ä n n e t e c k n a d av att magnetspolen (4) är ansluten till en mätenhet (6) an- ordnad att registrera ändringar i givarelementets egenfrekvens orsakade av ändringar i membranets (2) deformation, varvid mätenheten (6) är ansluten till en indikator (7) för indikering av nämnda ändringar i egenfrekvensen och därmed indikering av en tryckskill- nad mellan trycken på ömse sidor om membranet.1. 1. A device for measuring the pressure of a gas enclosed in a body, for example the air pressure in a vehicle tire, - a membrane (2) arranged in a boundary wall in the body, which on one side is exposed to the pressure in the gas enclosed in a chamber and on the other side for a reference pressure (3), the membrane (2) comprising or connected to an amorphous magnetic sensor element, and at least one outside the body, next to this arranged magnetic coil ( 4), which is connected to a drive unit for generating a magnetic field which affects said sensor element, characterized in that the magnetic coil (4) is connected to a measuring unit (6) arranged to register changes in the natural frequency of the sensor element caused by changes. in the deformation of the diaphragm (2), the measuring unit (6) being connected to an indicator (7) for indicating said changes in the natural frequency and thereby indicating a pressure difference between the pressures on either side of the diaphragm. 2. Anordning enligt krav l, k ä n n e t e c k - n a d av att nämnda mätenhet (6) innefattar medel för mätning av givarelementets relativa permeabilitet spå-värdet), samt för att ur dess variationer härle- da gívarelementets egenfrekvens.Device according to claim 1, characterized in that said measuring unit (6) comprises means for measuring the relative permeability of the sensor element, the prediction value), and for deriving the natural frequency of the sensor element from its variations. 3. Anordning enligt något av föregående krav vid vilken kroppen utgöres av ett fordonsdäck, k ä n - n e t e c k n a d av en inne i fordonsdäcket fast an- ordnad referenstryckkammare, samt minst en nära intill fordonsdäcket fast anordnad magnetspole (4), varvid magnetspolen (-arna) är ansluten (-na) till nämnda driv- och mätenhet.Device according to one of the preceding claims, in which the body consists of a vehicle tire, characterized by a reference pressure chamber arranged inside the vehicle tire, and at least one magnetic coil (4) arranged close to the vehicle tire, wherein the magnetic coil (s) ) is connected to the drive and measuring unit. 4. Anordning enligt krav 3, k ä n n e t e c k - n a d av att nämnda magnetspolar är infästa i den fordonshjulet uppbärande bärkonstruktionen.4. A device according to claim 3, characterized in that said magnetic coils are attached to the support structure supporting the vehicle wheel.
SE8603710A 1986-09-02 1986-09-02 DEVICE FOR SEATING THE PRESSURE OF A GAS INCLUDED IN A BODY INCLUDING THE AIR PRESSURE IN A VEHICLE TIRE SE454386B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE8603710A SE454386B (en) 1986-09-02 1986-09-02 DEVICE FOR SEATING THE PRESSURE OF A GAS INCLUDED IN A BODY INCLUDING THE AIR PRESSURE IN A VEHICLE TIRE
PCT/SE1987/000393 WO1988001732A1 (en) 1986-09-02 1987-09-02 Device for measuring without contact the pressure of a gas enclosed by a body, e.g. the air pressure in a vehicle tyre
ES8702548A ES2005001A6 (en) 1986-09-02 1987-09-02 Device for measuring without contact the pressure of a gas enclosed by a body, e.g. the air pressure in a vehicle tyre
AU78781/87A AU7878187A (en) 1986-09-02 1987-09-02 Device for measuring without contact the pressure of a gas enclosed by a body, e.g. the air pressure in a vehicle tyre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8603710A SE454386B (en) 1986-09-02 1986-09-02 DEVICE FOR SEATING THE PRESSURE OF A GAS INCLUDED IN A BODY INCLUDING THE AIR PRESSURE IN A VEHICLE TIRE

Publications (3)

Publication Number Publication Date
SE8603710D0 SE8603710D0 (en) 1986-09-02
SE8603710L SE8603710L (en) 1988-03-03
SE454386B true SE454386B (en) 1988-04-25

Family

ID=20365486

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8603710A SE454386B (en) 1986-09-02 1986-09-02 DEVICE FOR SEATING THE PRESSURE OF A GAS INCLUDED IN A BODY INCLUDING THE AIR PRESSURE IN A VEHICLE TIRE

Country Status (4)

Country Link
AU (1) AU7878187A (en)
ES (1) ES2005001A6 (en)
SE (1) SE454386B (en)
WO (1) WO1988001732A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19939800C2 (en) * 1999-08-21 2001-09-13 Continental Ag System for a motor vehicle with an electronic unit located on a wheel and excitation coils arranged outside the wheel
DE10119293A1 (en) * 2001-04-19 2002-11-21 Stiftung Caesar Non-contact magnetoelastic sensors

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115949U (en) * 1974-07-12 1976-02-05
DE2903994A1 (en) * 1979-02-02 1980-08-07 Sprenger Albin Kg AIR PRESSURE SENSOR
DE3018246A1 (en) * 1980-05-13 1981-11-19 Robert Bosch Gmbh, 7000 Stuttgart Analogue pneumatic tyre press measurement - using magnets and coil, requiring no electrical energy input, and utilising inductive coupling effect
JPS6022287B2 (en) * 1980-07-17 1985-06-01 松下電器産業株式会社 pressure sensor
DE3035186A1 (en) * 1980-09-18 1982-04-29 Robert Bosch Gmbh, 7000 Stuttgart INDUCTIVE PRESSURE SENSOR
US4578992A (en) * 1982-11-05 1986-04-01 Philip E. Galasko Detection of a low pressure condition of a vehicle tire
EP0108176A1 (en) * 1982-11-05 1984-05-16 Philip Elliot Galasko Detection of a low pressure condition of a pneumatic vehicle tyre
US4625562A (en) * 1984-06-08 1986-12-02 Matsushita Electric Industrial Co., Ltd. Amorphous magnetic alloy sensor
FR2572029B1 (en) * 1984-10-24 1987-05-22 Renault SENSOR OF THE INFLATION PRESSURE OF A VEHICLE TIRE

Also Published As

Publication number Publication date
WO1988001732A1 (en) 1988-03-10
SE8603710L (en) 1988-03-03
ES2005001A6 (en) 1989-02-16
SE8603710D0 (en) 1986-09-02
AU7878187A (en) 1988-03-24

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