Method of making a clutch for a cooling fan of a motor vehicle

Details Method of making a clutch for a cooling fan of a motor vehicle Method of making a clutch for a cooling fan of a motor vehicle

1989-11-22

1991-04-02

Lorence, Richard

Metal working

Method of mechanical manufacture

Assembling or joining

192 58B, 192110R, F16D 3500

Patent

active

050036858

ABSTRACT:
A clutch for a cooling fan for a motor vehicle and method of making the same are provided, the clutch comprising a shaft having a knurled portion that press-fittingly receives an inner race member of a bearing, the shaft having a solid ring shaped portion disposed adjacent the knurled portion and being provided with an outer diameter about equal to that of the outer diameter of the knurled portion and having part of the inner race member of the bearing press-fitted thereon whereby the solid ring shaped portion is adapted to block the flow of viscous fluid out of an enclosed chamber of a housing of the clutch by way of the slots which define protuberances of the knurled portion.

REFERENCES:
patent: 3962772 (1976-06-01), Haller
patent: 4056178 (1977-11-01), Detty
patent: 4741091 (1988-05-01), Settles

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