Method for recognizing the saturation point of a vacuum...

Details Method for recognizing the saturation point of a vacuum... Method for recognizing the saturation point of a vacuum...

2006-01-24

2010-11-16

McCall, Eric S (Department: 2855)

Measuring and testing

Brake testing

Reexamination Certificate

active

07832261

ABSTRACT:
A device for determining the saturation point of a vacuum brake booster having a vacuum chamber and a working chamber that are separated from one another by a membrane. The reaching of the saturation point can be recognized simply and precisely if the vacuum prevailing in the vacuum chamber is measured using a pressure sensor, and the output signal of the pressure sensor is evaluated by an electronic evaluation system that calculates the saturation point using a mathematical function, taking into account only the pressure prevailing in the vacuum chamber.

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