Rotary vane pump with carbon/carbon vanes

Details Rotary vane pump with carbon/carbon vanes Rotary vane pump with carbon/carbon vanes

1991-08-15

1993-01-26

Bertsch, Richard A.

Rotary expansible chamber devices

Non-metallic working member, cylinder or partition

418178, 418179, F01C 2102

Patent

active

051818442

ABSTRACT:
A rotary sliding vane pump having vanes fabricated from a carbon/carbon based material that provides improved performance by inhibiting vane wear, chipping or fracture. The advantages provided by carbon/carbon based materials may be further enhanced by impregnating each carbon/carbon sliding vane with a teflon based coating.

REFERENCES:
patent: 2491100 (1949-12-01), Frei
patent: 3191852 (1965-06-01), Kaatz et al.
patent: 4616985 (1986-10-01), Hattori et al.
patent: 4804317 (1989-02-01), Smart et al.
patent: 4820140 (1989-03-01), Bishop

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