Monitoring a clutch

Details Monitoring a clutch Monitoring a clutch

1998-04-06

1999-11-09

Mullen, Thomas

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340454, B60Q 100

Patent

active

059822805

ABSTRACT:
The invention relates to a system for monitoring a clutch between a motor of a vehicle and a transmission thereof with respect to impermissible slip. For this purpose, the monitoring system provides that a value is determined with the presence of specific operating conditions. This value represents the slip present at the clutch. This value can then be compared to at least one pregiven first threshold value. With the system of the invention, the clutch is monitored with respect to clutch wear which has already occurred. In one configuration of the invention, the clutch is configured as a converter bridging clutch and is generally configured with an automatic transmission; whereas, in another configuration of the invention, a clutch is considered which can interrupt the frictional connection between the motor of the vehicle and the transmission when the clutch is completely disengaged.

REFERENCES:
patent: 4351205 (1982-09-01), Fischer
patent: 4499450 (1985-02-01), Makita
patent: 4651142 (1987-03-01), Klatt
patent: 4744269 (1988-05-01), Greene et al.
patent: 4817473 (1989-04-01), Baltusis et al.
patent: 5190130 (1993-03-01), Thomas et al.
patent: 5571060 (1996-11-01), Becker et al.
"Kraftfahrtechnisches Handbuch" published Aug. 21, 1991, pp. 539 to 541.

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