Vacuum turbine for a drill

Details Vacuum turbine for a drill Vacuum turbine for a drill

1974-08-05

1976-01-13

Raduazo, Henry F.

Rotary kinetic fluid motors or pumps

Runner or blade selectively adjustable relative to casing

Axially adjusted

415503, B23B 4700

Patent

active

039320553

ABSTRACT:
A vacuum turbine for a drill has a housing of tubular configuration about an axis and has a sleeve disposed within the housing and also of tubular configuration about the axis. The sleeve is spaced from the housing to provide an annular air passage between them. A pair of bearings within the sleeve supports a turbine shaft rotatable about the axis. At one end of the shaft is a turbine runner including blades extending across the air passage and also including a shroud at the periphery of the blades and having a rim face normal to the axis and in very close axial relationship to an end face on the housing to reduce the travel of air therebetween.

REFERENCES:
patent: 2030993 (1936-02-01), Langenkamp et al.
patent: 2977042 (1961-03-01), Jassniker
patent: 3233867 (1966-02-01), Ishibashi et al.
patent: 3395949 (1968-08-01), Kun
patent: 3565543 (1971-02-01), Mrazek
patent: 3677660 (1972-07-01), Taniguchi et al.
patent: 3680977 (1972-08-01), Rabouyt et al.

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