Delphi Technologies, Inc.

Jean-Michel Dubus

Philippe Georges Castel

Bernard Petin

Joseph M Genaudeau

This brake booster comprises an enclosure ( ), a diaphragm ( ) dividing the enclosure into a front chamber ( ) connected to a source of vacuum and a rear chamber ( ), a piston ( ) that can move axially in the enclosure and on which the diaphragm is mounted, a plunger ( ) mounted so that it can move axially in the piston between a forward unstable braking position and a retreated stable position of rest, and a valve ( ) intended to collaborate with seats ( ) on the piston and on the plunger. The or each seat ( ) on the piston ( ) is formed on the edge of a passage ( ) allowing the said chambers ( ) to communicate.

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Port Mort, France

Jean-Michel Dubus