Liquid inertia tool

Details Liquid inertia tool Liquid inertia tool

1977-09-12

1984-11-27

Staab, Lawrence J.

Tool driving or impacting

Impacting devices

173116, 173DIG4, 83639, 7245301, 405232, B25D 900, B25D 1100

Patent

active

044846380

ABSTRACT:
Disclosed is a liquid inertia tool in which the kinetic energy of flowing liquid is converted to useful work by decelerating the liquid flow and directing the inertia force in the water against a movable element in the liquid flowcontaining structure which in turn moves against a work piece. Flow deceleration is achieved by an orifice-effect valve. The valve is reset for flow resumption or acceleration by automatically or selectively applying hydraulic pressure to a reset mechanism. Use of the inertia tool in pile driving and punch press applications is disclosed.

REFERENCES:
patent: 842049 (1907-01-01), Wolski
patent: 1112498 (1914-10-01), Vanes
patent: 2325264 (1943-07-01), Merten
patent: 3150488 (1964-09-01), Haley
patent: 3164214 (1965-01-01), Oelke
patent: 3616868 (1971-11-01), Bassinger
patent: 3625820 (1971-12-01), Gluntz et al.
patent: 3970152 (1976-07-01), Harris et al.
patent: 4044844 (1977-08-01), Harris et al.

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