Drive belt slip detection

Details Drive belt slip detection Drive belt slip detection

2007-02-16

2009-08-11

Masih, Karen (Department: 2837)

Electricity: motive power systems

Constant motor current, load and/or torque control

C318S433000, C318S434000

Reexamination Certificate

active

07573219

ABSTRACT:
A method and apparatus is disclosed for detecting whether belt slip is occurring between an electric machine and a machine drivingly connected together by a drive belt using only measurements of rotor speed, voltage and current derived from the electric machine, thereby improving the sensitivity of slip detection and eliminating the need for a comparison of rotor speed with a measurement of the rotational speed of the machine.

REFERENCES:
patent: 5144220 (1992-09-01), Iwatani et al.
patent: 6029512 (2000-02-01), Suganuma et al.
patent: 6675642 (2004-01-01), Hiller et al.
patent: 2004/0206325 (2004-10-01), Momcilovich et al.
patent: 719698 (1954-12-01), None
patent: 2003-311076 (2003-05-01), None

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