Breach lock anti-rotation key

Details Breach lock anti-rotation key Breach lock anti-rotation key

1984-07-23

1987-06-02

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416198A, 4151995, F01D 532

Patent

active

046699597

ABSTRACT:
The anti-rotational breach lock comprises a full ring of equally spaced dogs slideably engaging complementary lugs extending from the disk restrain the blades axially. A key fits any space between lugs and has an in situ bent tab nested between the key and ring that engages the back and front end of the ring to lock the key into place. Because the key can fit anywhere around the circumference of the disk and as many keys as spaces can be deployed, the key may serve to balance the rotor.

REFERENCES:
patent: 2985426 (1961-05-01), Hunter et al.
patent: 2998959 (1961-09-01), Haworth et al.
patent: 3043562 (1962-07-01), Van Nest et al.
patent: 3096074 (1963-07-01), Pratt et al.
patent: 3297302 (1967-01-01), Spears
patent: 4192633 (1980-03-01), Herzner
patent: 4470756 (1984-09-01), Rigo et al.
patent: 4470757 (1984-09-01), Vollinger
patent: 4523890 (1985-06-01), Thompson

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