Patent ID: 9719522
Date: 2017-08-01
CPC Classifications: F04D,F05B,F05D

Claim:
1. A water pump comprising: a rotating shaft supported by a body via a bearing; an impeller that is disposed at one end of the rotating shaft; and a seal member that is disposed between the impeller and the bearing; wherein a drain passage that sandwiches the seal member and communicates with a space formed on the opposite side of the impeller is formed in the body; a reservoir is formed downstream from the drain passage; a drain hole is formed at an upper position of a wall portion that forms the reservoir; a water-absorbing planar member is positioned in the reservoir; and a front surface and a rear surface of the planar member are exposed to air, wherein the planar member has a shape having a bent portion, and wherein the bent portion defines a recess which faces the drain passage.