FIELD: instrument engineering.
SUBSTANCE: volume meter comprises housing, four cylinders arranged radially, and four pistons connected with two links in pair. The links are connected with the crankshaft connected with the distributing slide valve which has a common working space with the insert of the housing. The sealing unit at the output of the crankshaft is made of a plastic conical collar. The small base of the collar has two edges defined by the intersection of its inner and outer conical surfaces with the conical surface whose axis is in coincidence with that of the collar and cone angle is 90°. The collar is provided with the plate spring mounted for permitting compression of the edges to the crankshaft and housing simultaneously.
EFFECT: enhanced reliability in operation in corrosive atmosphere.
1 dwg
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