Vane structure for vane type air pumps

Details Vane structure for vane type air pumps Vane structure for vane type air pumps

1984-10-04

1986-04-22

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

Seal element between working member and vane

418152, 428113, F04C 1800, F04C 2700, F04C 2900, B32B 512

Patent

active

045839263

ABSTRACT:
A vane type air pump having vanes with an edge that slidably engages the inside of a cylindrical casing and sides that slidably engage carbon sealing elements. The vanes are constructed of pre-impregnated glass cloth with the warp and weft positioned at acute angles to the sealing element to provide less and smoother wear on the sealing element and inhibit air leakage. A heavy density weave of glass cloth also reduces the wear.

REFERENCES:
patent: 3356292 (1967-12-01), Brewer et al.
patent: 3417664 (1968-12-01), Brucker
patent: 3512908 (1970-05-01), Smith
patent: 3791911 (1974-02-01), Yaeger et al.
patent: 4051289 (1977-09-01), Adamson

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