Swivel for core drilling

Details Swivel for core drilling Swivel for core drilling

1974-10-24

1976-04-06

Raduazo, Henry F.

Pumps

Motor driven

Fluid motor

415213R, 415206, 415198R, F04B 3500

Patent

active

039485889

ABSTRACT:
A swivel, particularly useful in core drilling a bore hole, including a rotor rotatable in a stator, the rotor having a passage through which compressed air is forced to an air operated device for producing cores in the bore hole, and also having a return passage through which the cores conveyed by a portion of the compressed air flow into a core receiving chamber in the stator, a pusher or wiper in the chamber being secured to the rotor to rotate therewith and move around the chamber to shift the cores and core particles toward and into a stator outlet.

REFERENCES:
patent: 708900 (1902-09-01), Murgatroyd
patent: 748294 (1903-12-01), MacKenzie
patent: 1610454 (1926-12-01), Lawalzeck
patent: 1715944 (1929-06-01), Oliver
patent: 2042499 (1936-06-01), Brady
patent: 3091183 (1963-05-01), Nahrgang
patent: 3096103 (1963-07-01), Murphy
patent: 3306574 (1967-02-01), Bachl

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