US Patent No. 9,093,881


Patent No. 9,093,881
Issue Date July 28, 2015
Title Plastic Brush Guide
Inventorship Hector Gayosso, Metepec (MX)
Jose Luis Maya Ceballos, Toluca de Lerdo (MX)
David Frazier, Rochester Hills, MI (US)
Joseph Paolicchi, Novi, MI (US)
Jose Vilchis, Plymouth, MI (US)
Assignee Robert Bosch GmbH, Stuttgart (DE)

Claim of US Patent No. 9,093,881

1. An engine cooling fan module comprising:
a motor having a horizontally extending motor shaft;
at least one plastic brush guide defining a guide axis aligned with the motor shaft,
the at least one plastic brush guide including a first side wall portion extending along the guide axis, a second side wall
portion generally opposite the first side wall portion, and a top portion extending between the first side wall portion and
the second side wall portion, the second side wall portion defining a radial slot opened at a radially inward end of the second
side wall;

a brush slidingly positioned within the plastic brush guide; and
a shunt electrically coupled to the brush and extending through the radial slot.