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US 11,598,346 B2Granted
Water pump
AssigneeAisin Corporation
InventorsItsuro Hashiguchi, Kenichi Komai
Life of this patent
Estimating the term…
Abstract
In a water pump, a water reservoir portion into which cooling water leaking from between a bearing portion and a rotating shaft flows via an introduction hole is divided into a first division portion and a second division portion by a gasket. The first division portion and the second division portion communicate with each other through a communication hole formed in the gasket. The second division portion includes a drain hole through which cooling water is discharged to outside.
Claims10
A water pump, comprising:
- a body on which a bearing portion is formed;
- a fixing member to which the body is fixed via a gasket;
- a pump chamber formed by the body and the fixing member;
- a rotating shaft rotatably supported by the bearing portion;
- a seal member provided between the rotating shaft and the body;
- an impeller provided on one end of the rotating shaft and housed in the pump chamber;
- a pulley that is provided on another end of the rotating shaft, and rotates the rotating shaft;
- and
- a water reservoir portion that is formed by the body and the fixing member, and into which cooling water leaking from between the bearing portion and the rotating shaft flows via an introduction hole, wherein
- the water reservoir portion is divided into a first division portion and a second division portion by the gasket,
- the first division portion and the second division portion communicate with each other through a communication hole formed in the gasket,
- the second division portion includes a drain hole through which cooling water is discharged to outside, and
- the gasket includes an extending portion that covers the drain hole.
10 more elements
Dependencies are inferred from the claim text.