Ball-circulation type liquid flow rate sensor
AssigneeHitachi, Ltd.
InventorsToru Takahashi, Sadayasu Ueno
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Abstract
A flow rate sensor having an annular passage for enabling a flow of liquid therethrough and a movable member disposed in the annular passage. An intake passage is provided for supplying liquid to the annular passage and an outlet passage, disposed concentrically to the intake passage, enables the liquid to flow out of the annular passage about an outer periphery of the intake passage.
Claims16
A flow rate sensor comprising an annular passage means for enabling a flow of liquid therethrough, a movable member disposed in the annular passage means, an intake passage means for supplying the liquid to the annular passage means, and an outlet passage means disposed concentrically to the intake passage means for enabling the liquid to flow out of the annular passage means about an outer periphery of the intake passage means.
Dependencies are inferred from the claim text.