Title:
WATER PUMP BEARING SEAL DEVICE
Document Type and Number:
Japanese Patent JP3768904
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To reduce the number of parts and maintain sealing performance by simplifying a sealing structure especially at an impeller installing side in a water pump bearing for an impeller revolution installed in a vehicle, etc.
SOLUTION: There are comprised of a first seal substance A1 having a main lip 2 and sub lip 3, a second seal substance A2 having a second main lip 5, a shaft B contacted with the main lip 2, the sub lip 3 and the second main lip 5, and an outer ring 12 surrounding the shaft B via revolving bodies 13, 13,.... The first seal substance A1 is secured to the outer ring 12, and the second seal substance A2 is installed in an inner perimeter of a boss hole 20a of a housing body 20 where the outer ring 12 is installed so as to bring the main lip 2 in contact with the second main lip 5.
More Like This:
| JPH0658197 | [Name of device] Water pump |
| JPS55131599 | PUMP |
Inventors:
Yoshida Osamu
Application Number:
JP2002064590A
Publication Date:
April 19, 2006
Filing Date:
March 08, 2002
Export Citation:
Assignee:
Yamada Manufacturing Co., Ltd.
International Classes:
F04D29/12; F16C33/78; F16J15/322; F16J15/3232; (IPC1-7): F16J15/32; F04D29/12; F16C33/78
Domestic Patent References:
| JP5081566U | ||||
| JP9177989A | ||||
| JP9303569A | ||||
| JP10220593A | ||||
| JP2001080582A | ||||
| JP64039930U | ||||
| JP59072358U | ||||
| JP9196072A | ||||
| JP10196663A |
Attorney, Agent or Firm:
Kunio Iwahori
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