Speed limiting arrangement for a centrifuge rotor mounted from t

Details Speed limiting arrangement for a centrifuge rotor mounted from t Speed limiting arrangement for a centrifuge rotor mounted from t

1986-11-03

1988-06-28

Levy, Stuart S.

Imperforate bowl: centrifugal separators

With condition responsive means

For controlling drive of driven means within bowl

494 12, 494 84, 464 32, B04B 706, F16D 900

Patent

active

047536306

ABSTRACT:
A centrifuge rotor is characterized by a protrusion on the undersurface thereof which is received by a conjoinable pair of collar members. Each collar has a recess therein which cooperate to receive a drive spud from the rotor drive. A prestressed arrangement exerts a compressive force of a predetermined magnitude on the collar members to hold them together. The compressive force is progressively relieved as the rotor is rotated to a predetermined speed. Thereafter, increased rotor speed imposes a centrifugal force on the prestressed arrangement to cause it to fail in tension, thereby permitting the collar members to separate and thus release the rotor from its engagement with the drive.

REFERENCES:
patent: 2446133 (1948-07-01), Hawthorne
patent: 3101322 (1963-08-01), Stallman
patent: 3961745 (1976-06-01), Wright
patent: 3990633 (1976-11-01), Stahl et al.
patent: 4101070 (1978-07-01), Hoare et al.
patent: 4568325 (1986-02-01), Cheng et al.

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