Stepped wear indicator for a radial compressor

Details Stepped wear indicator for a radial compressor Stepped wear indicator for a radial compressor

1997-01-21

1999-03-09

Vrablik, John J.

Rotary expansible chamber devices

With signal, indicator or transparent inspection means

418259, F04C 18344, F04C 2900

Patent

active

058791469

ABSTRACT:
The invention includes a wear indicator for a radially extensible vane compressor. The indicator is an elongate member having two longitudinal sections with a step inbetween. The step catches on a mating step formed in the compressor rotor when it is good and does not catch on the mating step when it is bad (i.e., worn). A repair person can test the wear of the indicator merely by attempting to withdraw the indicator. If it is removed it is worn, and if it is not removable, it is acceptable.

REFERENCES:
patent: 3191503 (1965-06-01), Fuehrer
patent: 3463384 (1969-08-01), Kilbane
patent: 3469500 (1969-09-01), Lutz et al.
patent: 5074769 (1991-12-01), Kazaoka et al.

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