Temperature detection for electromagentic clutch of vehicle

Boots – shoes – and leggings

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Details

192 003, 74866, B60K 4118

Patent

active

050832735

ABSTRACT:
A temperature detection device for an electromagnetic clutch of a vehicle comprises an output circuit operation detection device for detecting an output terminal voltage of the clutch and a current feedback signal corresponding to a clutch current, clutch current a calculation device which responds to running control information and engine control information for providing a clutch current instruction signal and a clutch open signal, responds to the clutch output terminal voltage fedback from the clutch output circuit operation detection device for calculating a clutch voltage by taking a voltage drop in a wiring and a feeding mechanism of the clutch and responds to this clutch voltage and the clutch current corresponding to the current feedback signal for calculating a clutch resistance to thereby calculate a clutch temperature and the clutch current instruction signal and clutch current control device responsive to a deviation between the clutch current instruction signal and the current feedback signal and the open signal for controlling the clutch current of the clutch.

REFERENCES:
patent: 4807132 (1989-02-01), Arai et al.
patent: 4949264 (1990-08-01), Katayama et al.
patent: 4951206 (1990-08-01), Kyohzuka

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