Multi-disc brake actuator for vibration damping

Details Multi-disc brake actuator for vibration damping Multi-disc brake actuator for vibration damping

1996-04-02

1998-10-13

Oberleitner, Robert J.

Brakes

Wheel

Axially movable brake element or housing therefor

188 7335, F16D 5536

Patent

active

058198822

ABSTRACT:
A multi-disc brake (30,60) includes a piston housing (32,62) and attached torque tube (34,64) located about an axle (67,97). Axially adjacent the piston housing (32,62) is a brake actuator (40,70). In one embodiment, the piston housing (32) is located axially between an actuator member (59A) of the brake actuator (40) and a thrust sleeve (20) located about the axle sleeve (19) and abutting a wheel sleeve (16) engaging a wheel bearing assembly (12). In another embodiment, the actuator member (89A) can extend to engage a stationary portion (91) of the axle (97). Hydraulic actuation of the brake actuator (40,70) displaces axially the actuator member (59A,89A) against either a bushing (35) of the piston housing (32) or the stationary portion (91) of the axle (97) such that at least one of the piston housing (32,62) and torque tube (34,64) are compressed operatively in the axial direction by the brake actuator, thereby reducing torsional vibrational movement of the piston housing (32,62) and torque tube (34,64) about the axle (67,97).

REFERENCES:
patent: 3357519 (1967-12-01), Anderson et al.
patent: 5062503 (1991-11-01), Black et al.
patent: 5248013 (1993-09-01), Hogue et al.
patent: 5437352 (1995-08-01), Harker
patent: 5485898 (1996-01-01), Patko
patent: 5538109 (1996-07-01), Swank
patent: 5540305 (1996-07-01), Hammond et al.

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