WATER PUMP

PROBLEM TO BE SOLVED: To provide a water pump capable of miniaturizing a device while surely discharging leaking cooling water.SOLUTION: A water pump includes a rotating shaft 14 supported by a housing 11 through a bearing 13, an impeller disposed on one end of the rotating shaft 14 for circulating...

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Bibliographic Details
Main Authors MIWA KATSUHIKO, FUJIMOTO YOZO
Format Patent
LanguageEnglish
Published 02.10.2014
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide a water pump capable of miniaturizing a device while surely discharging leaking cooling water.SOLUTION: A water pump includes a rotating shaft 14 supported by a housing 11 through a bearing 13, an impeller disposed on one end of the rotating shaft 14 for circulating cooling water, a pulley 16 disposed on the other end of the rotating shaft 14, a seal member 18 disposed over the housing between the impeller 15 and the bearing 13, of the rotating shaft 14 for suppressing leakage of the cooling water to the external, a drain passage 19 disposed on the housing 11 in a state of being opened to a side face of the bearing 13, and discharging the cooling water leaking from the seal member 18, and a communication passage 21 formed between the bearing 13 and the housing 11 and communicated with the drain passage 19 from an end portion of the bearing 13.
Bibliography:Application Number: JP20130062356