Carbide or boride coated rotor for a positive displacement motor

Details Carbide or boride coated rotor for a positive displacement motor Carbide or boride coated rotor for a positive displacement motor

1993-03-18

1995-03-07

Bertsch, Richard A.

Rotary expansible chamber devices

Unlike helical surfaces on relatively wobbling rotating...

418178, 418179, F01C 110, F01C 2100

Patent

active

053952219

ABSTRACT:
A rotor for a positive displacement motor or pump in which the rotor is coated with a metal carbide and metal alloy coating or a metal boride and metal alloy coating to impart excellent wear-resistance and corrosion-resistance properties to the rotor when used in abrasive and/or corrosion resistance environmental.

REFERENCES:
patent: 3071489 (1963-01-01), Pelton et al.
patent: 4999255 (1991-03-01), Jackson et al.
patent: 5075129 (1991-12-01), Jackson et al.
patent: 5120204 (1992-06-01), Mathewson et al.

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