Bi-assembly spring end cap for vehicle on/off fan drive to...

Details Bi-assembly spring end cap for vehicle on/off fan drive to... Bi-assembly spring end cap for vehicle on/off fan drive to...

2006-11-21

2006-11-21

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Cooling

Automatic coolant flow control

C123S041110, C192S085060

Reexamination Certificate

active

07137362

ABSTRACT:
An on/off clutch assembly is disclosed having a two component spring end cap. The spring end cap includes a steel cap portion and a non-metallic portion. The non-metallic portion extends along the entire length of the steel cap portion and is located between the steel cap portion and the piston rod. The new design insulates the steel piston rod from the steel spring end cap. This results in reduced corrosion of seals within the clutch assembly and contributes to improved conditions for bearings within the clutch assembly.

REFERENCES:
patent: 1291875 (1919-01-01), Herr
patent: 3497046 (1970-02-01), Schilling
patent: 3757914 (1973-09-01), Elmer
patent: 3777866 (1973-12-01), Elmer
patent: 3804219 (1974-04-01), Cummings, III
patent: 3848622 (1974-11-01), Cummings, III
patent: 4290393 (1981-09-01), Hart et al.
patent: 6595341 (2003-07-01), Venz

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