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US 2016/0258444 A1Published application
Water Pump
AssigneeHitachi Automotive Systems, Ltd.
InventorKenya TAKARAI
Life of this patent
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Abstract
A flow guide plate is disposed downstream from an end portion of a tongue part in a volute chamber, and configured to reduce flow velocity of cooling water flowing at an outer peripheral side of the volute chamber, wherein the volute chamber includes a downstream side leading to a discharge opening, and wherein the tongue part separates the downstream side and an upstream side of the volute chamber from each other.
Claims3
A water pump comprising:
- a pump housing formed with a suction opening and a discharge opening;
- an impeller arranged rotatably in an impeller accommodation part of the pump housing, and configured to suck cooling water through the suction opening and discharge the cooling water through the discharge opening;
- a volute chamber formed in a volute shape at an outer periphery of the impeller accommodation part, and including a downstream side leading to the discharge opening;
- a tongue part separating the downstream side and an upstream side of the volute chamber from each other;
- and
- a flow guide plate disposed downstream from an end portion of the tongue part in the volute chamber, and configured to reduce flow velocity of cooling water flowing at an outer peripheral side of the volute chamber.
3 more elements
Dependencies are inferred from the claim text.