Fluid injector devices
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 17, 1984
Grant Date -
N/A
app pub date -
Apr 15, 1981
filing date -
May 3, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An antifreeze injector device for compressed air braking systems has a closed compressible bellows or compensatable rubber cylinder, the inside of which communicates with liquid to be injected and the exterior of which is subject to actuation pressure. The effective area subject to the actuator pressure being greater than that subject to the liquid to enable operator to inject into a reservoir of elevated pressure but to avoid the use of sliding pistons.
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