When The Pressure Is High - Chery QQ Service Manual

Sqr 472 engine
Table of Contents

Advertisement

Working Principle of Proportioning Valve

— When the Pressure is high

F
+F
<F
a
s
b
When the pressure is
higher than some point,
the difference between
chambers A and B will
overcome the spring's
elastic force to make
the piston move until
the port C is closed.

Advertisement

Table of Contents
loading

Table of Contents