Rotor with plastic sheathing

Details Rotor with plastic sheathing Rotor with plastic sheathing

1976-12-30

1978-04-25

Vrablik, John J.

Rotary expansible chamber devices

Non-metallic working member, cylinder or partition

418178, 428419, F01C 2108, F03C 300, F04C 1500, B29C 2700

Patent

active

040860434

ABSTRACT:
The rotor, in the embodiment depicted, comprises a rotor blank having a hub with at least one radially extending tooth, the rotor being sheathed in plastic, excepting for the hub surface areas. Throughgoing bores formed in the blank receive plugs or dowels of the plastic to secure the sheathing in place. Additionally, the periphery of the blank has an inwardly-widening groove formed therein to fix plastic sheathing also on the periphery. The rotor is formed of steel, and the plastic sheathing has a coefficient of expansion which is the same as that of the steel.

REFERENCES:
patent: 1021180 (1912-03-01), Clifton
patent: 2174306 (1939-09-01), Bassett
patent: 2383194 (1945-08-01), Hoopes
patent: 2833224 (1958-05-01), Meyer et al.
patent: 2848952 (1958-08-01), Wakeman
patent: 3198120 (1965-08-01), Little, Jr.
patent: 3470791 (1969-10-01), Ovretveit
patent: 3558246 (1971-01-01), Philipp
patent: 3968289 (1976-07-01), Higbee

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