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Regulator and brush holder assembly

  • US 5,248,910 A
  • Filed: 08/13/1992
  • Issued: 09/28/1993
  • Est. Priority Date: 08/13/1992
  • Status: Expired due to Fees
First Claim
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1. A regulator and brush holder assembly for an alternator having a motor and slip rings, said regulator regulating electrical power supplied to said rotor, said regulator and brush holder comprising:

  • a regulator assembly mountable to the alternator, said regulator assembly having a regulator circuit for regulating the electrical power supplied to the rotor of the alternator;

    a housing member attached to said regulator assembly, said housing member having a regulator compartment enclosing said regulator circuit, a brush holder portion and an input power connector, said brush holder portion having a pair of side-by-side brush holder compartments having an open end and a closed end, a pigtail chamber associated with each of said brush holder compartments, said pigtail chambers being disposed on one side of each brush holder compartment, each pigtail chamber having an open end adjacent to said open end of said brush holder compartment and a closed end, a brush terminal provided adjacent to said open end of each pigtail chamber, a longitudinal slot connecting each pigtail chamber with its associated brush holder compartment;

    a spring mounting lip provided adjacent to said open end of each brush holder chamber on a side opposite said pigtail chamber;

    a carbon brush slidably received in each brush holder compartment, said carbon brush having a pigtail connector passing into said pigtail chamber through said longitudinal slot and connected to said brush terminal;

    a coil spring disposed in each of said brush holder compartments, each coil spring having a coiled portion at one end and a catch provided at an opposite end, said coiled portion engaging ends of said carbon brushed facing said closed end and said catch connected to said mounting lip at said open end of said brush holder compartment, said coil spring biasing said carbon brushed away from said closed end and into sliding contact with the slip rings of the alternator with a uniform force independent of the wear of said carbon brushes;

    electrical leads embedded in said housing member connecting said input power connector to said regulator circuit and said regulator circuit to said brush terminals.

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  • 2 Assignments
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