Actuation assembly for a braking system for motor vehicles

Details Actuation assembly for a braking system for motor vehicles Actuation assembly for a braking system for motor vehicles

1996-08-01

1998-03-31

Nguyen, Hoang

Power plants

Pressure fluid source and motor

Pulsator

91376R, B60T 1300

Patent

active

057325561

ABSTRACT:
A pneumatic brake booster (10) and a hydraulic master cylinder (60) are arranged in a series along a common axis (A) to form an assembly which includes a booster housing (12), a power input member (30) and a power output member (40). A mechanical power transmitter (32) is arranged between the power input member (30) and the power output member (40). A sleeve (50) is rigidly attached at a valve housing (22) to enclose a portion of the power output member (40). At the booster housing (12) a master cylinder housing (62) is attached which has a guide (68) facing the power transmitter (32). A primary piston (70) is guided in the master cylinder housing (62) and includes a support (72) for the power output member (40) as well as an extension (74) which extends towards the power transmitter (32) and is guided in the guide (68). The sleeve (50) extends to near this support (72) and is provided with a head portion (52) which bears against the master cylinder (60) via the guide (68) in a radial direction. These components provide for the transmission and amplification of axial forces while being subjected to only small transverse forces and bending moments, even then when they may not be in perfect alignment with each other.

REFERENCES:
patent: 3172335 (1965-03-01), Brooks et al.
patent: 5410880 (1995-05-01), Schluter
patent: 5475977 (1995-12-01), Gautier et al.
patent: 5487271 (1996-01-01), Gautier et al.
patent: 5493949 (1996-02-01), Castel et al.
patent: 5537821 (1996-07-01), Sunohara et al.

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