Vacuum operated valve mechanism
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United States of America Patent
Stats
-
Jan 12, 1982
Grant Date -
N/A
app pub date -
Mar 29, 1979
filing date -
Apr 7, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vacuum operated valve mechanism for controlling transmission of fluid to servo means for emission control for an internal combustion engine or reducing emissions from the engine, including a single housing, a first and second diaphragm member, a first and second piston member, a pilot valve member and a working valve member.
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Family
International Classification(s)
Cited Art Landscape
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