Friction reduction for moving elements in contact with a fluid m

Details Friction reduction for moving elements in contact with a fluid m Friction reduction for moving elements in contact with a fluid m

1986-08-04

1987-09-22

Feinberg, Craig R.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Coating, specific composition or characteristic

416224, B63B 134

Patent

active

046952292

ABSTRACT:
The invention relates to the smooth coating with a lyophilic (non-welling) material the passive surfaces of elements moving through or having contact with a fluid medium, such as, water, oil or the like. In one embodiment the under surfaces of the pistons, outer surfaces of the connecting rods and the crank shaft of an internal combustion engine are coated with polytetrafluoroethylene or the like which is lyophilic to the lubricating oil to which it comes in contact. Other embodiments employ lyophilic smooth coatings for ship rudders and outboard lower end units.

REFERENCES:
patent: 3551067 (1970-12-01), Wissman
patent: 3575123 (1971-04-01), Shepherd et al.
patent: 3744931 (1973-07-01), Cavanagh
patent: 4483268 (1984-11-01), Pichl

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