Flexible drive shaft

Details Flexible drive shaft Flexible drive shaft

1990-05-15

1992-02-04

Herrmann, Allan D.

Rotary expansible chamber devices

Unlike helical surfaces on relatively wobbling rotating...

464181, 464 97, 418182, F04C 200

Patent

active

050855646

ABSTRACT:
A flexible drive shaft for a helical gear pump having a rotor 10 in which the drive shaft 18 is formed with an enlarged, e.g. upset forged, head 20 and is provided with a plastics material coating 30. The drive shaft is held on to the rotor by bolts 40 passing through holes 28 in the head 20 and apertures 42 in a cap 32.

REFERENCES:
patent: 3292389 (1966-12-01), Adloff et al.
patent: 3600113 (1971-08-01), Brentwood et al.
patent: 4153397 (1979-05-01), Allen
patent: 4237704 (1980-12-01), Varadan
patent: 4443165 (1984-04-01), Chanton
patent: 4591322 (1986-05-01), Ono et al.
patent: 4637785 (1987-01-01), Backstrom
patent: 4679638 (1987-07-01), Eppink

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