Brake cylinder

Details Brake cylinder Brake cylinder

1988-06-29

1990-01-02

Garrett, Robert E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

605471, F15B 910

Patent

active

048905380

ABSTRACT:
The invention relates to a brake cylinder suitable for a hydraulic vehicle brake system, having at least one brake chamber and a brake booster, actuatable by a piston rod, with a brake valve assembly that has an inlet and an outlet for power brake fluid and communicates with a pressure chamber of the brake booster. The pressure chamber is located in a longitudinally bored housing section and is defined in the axial direction by one end of a sealed and displaceable sheath and of a rod that is sealed and displaceable within the sheath. The sheath and rod form two servo pistons for generating brake pressure in the brake chamber. The rod is displaceable in an emergency by means of the coaxially aligned piston rod. In a space-saving manner, the brake valve assembly is built into the rod and piston rod.

REFERENCES:
patent: 2318756 (1943-05-01), Chouings
patent: 2407097 (1946-09-01), Porter
patent: 2698205 (1954-12-01), Gagen
patent: 2879747 (1959-03-01), Stelzer et al.
patent: 3707112 (1972-12-01), Ewald
patent: 3712177 (1973-01-01), Bach et al.
patent: 3733966 (1973-05-01), Brown, Jr.
patent: 3747473 (1973-07-01), Bach et al.
patent: 4075848 (1978-02-01), Ueda
patent: 4135435 (1979-01-01), Adachi
S.A.E. Paper 840465, pp. 42, 43, 44.

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