WO2013100168 WHEEL POSITION DETECTING DEVICE AND TIRE PRESSURE DETECTING APPARATUS HAVING THE SAME

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Publication Number WO/2013/100168

Publication Date 04.07.2013

International Application No. PCT/JP2012/084268

International Filing Date 25.12.2012

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Applicants

DENSO CORPORATION [JP]/[JP]

Inventors

MORI, Masashi
WATABE, Nobuya
OKADA, Noriaki
SEKIZAWA, Takatoshi

Agents

KIN, Junhi

Priority Data

2011-286186

27.12.2011

Publication Language English (en)

Filing Language English (EN)

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Title

(EN) WHEEL POSITION DETECTING DEVICE AND TIRE PRESSURE DETECTING APPARATUS HAVING THE SAME

(FR) DISPOSITIF DE DÉTECTION DE POSITION DE ROUE ET APPAREIL DE DÉTECTION DE PRESSION DE PNEU COMPORTANT CELUI-CI

Abstract

(EN) In a wheel position detecting device, a transmission angular position of a transmitter (2) to transmit a frame from the transmitter (2) to a receiver (3) is changed by a predetermined angle each time the transmitter (2) transmits the frame. A receiver (3) acquires gear information indicating a tooth position of a gear (12a - 12d) rotating in association with a corresponding wheel (5a - 5b), based on a detection signal of a wheel speed sensor (11a - 11d). The receiver (3) specifies to which wheels (5a - 5d) the transmitter (2) is integrated, based on the tooth position of the gear at a reception timing of the frame.

(FR) Dans un dispositif de détection de position de roue, une position angulaire de transmission d'un émetteur (2) pour transmettre une trame de l'émetteur (2) à un récepteur (3) est modifiée d'une valeur d'angle prédéfinie à chaque fois que l'émetteur (2) transmet la trame. Un récepteur (3) obtient des informations d'engrenage indiquant une position de dent d'un engrenage (12a - 12d) tournant en association avec une roue correspondante (5a - 5b), sur la base d'un signal de détection d'un capteur de vitesse de roue (11a - 11d). Le récepteur (3) spécifie à quelles roues (5a - 5d) est intégré l'émetteur (2), sur la base de la position de dent de l'engrenage à un moment de réception de la trame.

B	PERFORMING OPERATIONS; TRANSPORTING
60	VEHICLES IN GENERAL
C	VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
23	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, of tanks; Tyre cooling arrangements
02	Signalling devices actuated by tyre pressure
04	mounted on the wheel or tyre

B	PERFORMING OPERATIONS; TRANSPORTING
60	VEHICLES IN GENERAL
C	VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
23	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, of tanks; Tyre cooling arrangements
02	Signalling devices actuated by tyre pressure
04	mounted on the wheel or tyre

B	PERFORMING OPERATIONS; TRANSPORTING
60	VEHICLES IN GENERAL
C	VEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
23	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
02	Signalling devices actuated by tyre pressure
04	mounted on the wheel or tyre
0408	transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
0415	Automatically identifying wheel mounted units, e.g. after replacement or exchange of wheels
0416	allocating a corresponding wheel position on vehicle, e.g. front/left or rear/right

B	PERFORMING OPERATIONS; TRANSPORTING
60	VEHICLES IN GENERAL
C	VEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
23	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
02	Signalling devices actuated by tyre pressure
04	mounted on the wheel or tyre
0486	comprising additional sensors in the wheel or tyre mounted monitoring device, e.g. movement sensors, microphones or earth magnetic field sensors
0488	Movement sensor, e.g. for sensing angular speed, acceleration or centripetal force

B	PERFORMING OPERATIONS; TRANSPORTING
60	VEHICLES IN GENERAL
C	VEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
23	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
02	Signalling devices actuated by tyre pressure
04	mounted on the wheel or tyre
0486	comprising additional sensors in the wheel or tyre mounted monitoring device, e.g. movement sensors, microphones or earth magnetic field sensors
0489	for detecting the actual angular position of the monitoring device while the wheel is turning

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1. WO2013100168 - WHEEL POSITION DETECTING DEVICE AND TIRE PRESSURE DETECTING APPARATUS HAVING THE SAME

G	PHYSICS
01	MEASURING; TESTING
P	MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
15	Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
003	Kinematic accelerometers, i.e. measuring acceleration in relation to an external reference frame, e.g. Ferratis accelerometers