Patent ID: 6397980
Filing Date: 2002-06-04
Classification: F16D

Abstract:
A dry disc brake comprising:a central housing carrying a pair of opposed pistons, said central housing including communication lines for supplying an actuating fluid to said pistons, a pair of disc plates positioned outwardly of said pistons and on opposed sides of said pistons; and a rotating member rotating with a shaft, said rotating member having first and second rotating plates positioned on each side of said housing, and said pistons being actuatable to selectively bring said disc plates into contact with said first and second rotating plates to slow rotation of said rotating member, said rotating member including said first plate being positioned on one side of said pistons, an outer housing extending along a length of said pistons radially outwardly of said pistons relative to a rotational axis of said rotating member, and said outer housing being fixed to said first plate, and said second plate being secured to said outer housing on an opposed side of said pistons from said first plate to seal an interface between said pistons and disc plates and said first and second rotating plates, a seal rotating with one of said plates, and being in sealing contact with a portion of said central housing, to seal a space between said pistons and said rotating plates from the environment.