Multifunction alternator testing device

  • US 5,550,485 A
  • Filed: 01/26/1995
  • Issued: 08/27/1996
  • Est. Priority Date: 06/04/1993
  • Status: Expired due to Fees
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First Claim
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1. A device capable of testing a variety of motor vehicle alternators for testing a single alternator under conditions identical to conditions encountered in a motor vehicle when the alternator is in use in the motor vehicle, said device comprising:

  • (a) a frame;

    (b) an alternator mounting bracket attached to said frame; and

    (c) an operator-controlled circuit proximate said alternator mounting bracket for selective alternator testing, said testing circuit comprising;

    (1) a power supply;

    (2) a motor;

    (3) a first subcircuit for directly measuring and displaying any alternator reverse current leakage;

    (4) a second subcircuit for measuring and displaying alternator charging voltage output;

    (5) a third subcircuit for measuring and displaying maximum alternator current output;

    (6) a fourth subcircuit for detecting and indicating alternator diode and stator imbalance; and

    (7) an operator-controlled switch array for selecting which of said subcircuits is in use.

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