Hydraulic motors and pumps with engineered surfaces

Details Hydraulic motors and pumps with engineered surfaces Hydraulic motors and pumps with engineered surfaces

2005-05-24

2005-05-24

Look, Edward K. (Department: 3745)

Expansible chamber devices

Relatively movable working members

Interconnected with common rotatable shaft

C092S058000, C091S491000

Reexamination Certificate

active

06895855

ABSTRACT:
Engineered surface treatments are applied to different types of hydraulic motors and pumps to improve the life of the contacting surfaces in said motors and pumps. The engineered surface treatments are selected from texture modifications and tribiological coatings and selectively applied to one or both of the contacting surfaces to reduce friction and improve fatigue life under poor lubrication operating conditions.

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Holmberg and A. Matthews, Coatings Tribology: Properties, Techniques and Applications in Surface Engineering (Elsevier, New York, 1994), pp. 213-236.

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