Jet engine compressor stage puller

Details Jet engine compressor stage puller Jet engine compressor stage puller

1983-04-08

1985-01-08

Watson, Robert C.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B23P 1904

Patent

active

044920148

ABSTRACT:
A jet engine compressor stage puller engages the lip of each disk and spa section of a jet engine compressor, and the end of the compressor shaft. A guide bar has a central threaded hole through which a bolt is threaded. A cup integral with the bolt engages the end of the compressor shaft. A pair of guide rods pass through slots in the guide bar, the slots being symmetrical about the central threaded hole. Shoes attached to the ends of the guide rods engage the lip of each disk or spacer section to be removed. As the bolt is rotated a force is exerted to pull the shoes upward, and thus loosen the disk and spacer stages without danger of damage to compressor parts or hazard to personnel.

REFERENCES:
patent: D256544 (1980-08-01), Hintze
patent: 975304 (1910-11-01), Veno
patent: 1346868 (1920-07-01), Wilson
patent: 1368760 (1921-02-01), Schilling
patent: 1431378 (1922-10-01), Derry
patent: 1661938 (1928-03-01), Follingstad
patent: 2288906 (1942-07-01), Kaplan
patent: 3076259 (1963-02-01), Stebbins
patent: 3142897 (1964-08-01), Davis
patent: 3689978 (1972-09-01), Kelso
patent: 3908258 (1975-09-01), Barty
patent: 4372024 (1983-02-01), Shevada

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