×

CLUTCH SYSTEM AND METHOD

  • US 20090236196A1
  • Filed: 05/15/2009
  • Published: 09/24/2009
  • Est. Priority Date: 10/21/2004
  • Status: Active Grant
First Claim
Patent Images

1. A fan clutch device to be removably mounted to a drive member, the fan clutch device comprising:

  • a hub portion that, when the fan clutch device is mounted to a drive member, is selectively movable relative to the drive member, the hub portion having a first spring-engaging surface; and

    a piston portion adjustable in an axial direction relative to the drive member when the fan clutch device is mounted to a drive member, the piston portion being adjustable between first and second positions, the piston portion having a second spring-engaging surface that opposes the first spring-engaging surface; and

    a single spring device abutting against the first spring-engaging surface of the hub portion and the second spring-engaging surface of the piston portion to urge the piston portion toward one of the first position and the second position, wherein the single spring device is coaxially arranged with at least one of the hub portion and the piston portion, the single spring device biasing the piston portion toward the drive member when the fan clutch device is mounted to a drive member.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×