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1. (WO2017032521) DEVICE FOR COUNTING TURNS OF A WHEEL BY MEANS OF A COIL AND COUNTER EQUIPPED WITH SAID COUNTING DEVICE

Pub. No.:    WO/2017/032521    International Application No.:    PCT/EP2016/067466
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Fri Jul 22 01:59:59 CEST 2016
IPC: G01D 5/20
G01D 4/02
Applicants: SAGEMCOM ENERGY & TELECOM SAS
Inventors: TEBOULLE, Henri
GAUDIN, Jean-Michel
MORO, Paolo
Title: DEVICE FOR COUNTING TURNS OF A WHEEL BY MEANS OF A COIL AND COUNTER EQUIPPED WITH SAID COUNTING DEVICE
Abstract:
A device for counting turns of a rotating member (8) rotating about an axis with respect to a housing (100), comprising a wheel (6) made from non-metal material rotatably connected to the rotating member and provided locally with at least one eccentric metal mass (7) leaving a part of the wheel uncovered, at least two coils (1, 2) that are separated from each other and fixedly mounted with respect to the housing facing a portion of the trajectory of the metal mass in such a way that at least all of the coils except one are always responsive to said metal mass and that each belong to an inductive circuit (10.1, 10.2) electrically connected to a counting unit (5). A counter incorporating such a device.