Remote inflation and deflation system and valve therefor
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United States of America Patent
Stats
-
May 15, 1984
Grant Date -
N/A
app pub date -
Oct 7, 1988
filing date -
Jun 4, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A piloted pneumatic valve for controlling pressure at a distance. The valve includes a cavity divided into two chambers by a membrane. One chamber is the pilot chamber, and the other the escape chamber, connected to a pressurization and depressurization circuit, connected to the controlled pressurized volume through an orifice, and to the outside air through at least one escape hole. The system also includes a piloted valve pressing the membrane against the orifice to close it, and an opening, communicating with the circuit leading to the pressurized volume, and fitted with a check valve poppet prohibiting flow back from the capacity to the circuit. For application to automotive vehicles.
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