Oleopneumatic intensifier cylinder

Details Oleopneumatic intensifier cylinder Oleopneumatic intensifier cylinder

1990-08-10

1992-04-28

Look, Edward K.

Power plants

Pressure fluid source and motor

Pulsator

60567, 60578, B60T 1300

Patent

active

051076810

ABSTRACT:
An oleopneumatic load intensifier apparatus for creating a rapid advance of a tool carrying rod followed by slow advance of the piston rod at an increased load. The apparatus has a master cylinder and an actuating cylinder that can assume different positions with respect to the master cylinder while maintaining fluid communication therewith. An enclosed hydraulic system is shared by the master and actuating cylinders. Pneumatic pressure actuates a piston within the master cylinder that causes a rapid advancement of a hydraulically fed piston within the actuating cylinder, causing a piston rod and a tool associated therewith to contact a workpiece. Pneumatic pressure then causes a piston and associated piston rod, located in the master cylinder, to increase the hydraulic pressure in the line to the hydraulically fed piston located within the actuating cylinder, thus, increasing the load delivered to the workpiece.

REFERENCES:
patent: 763833 (1904-06-01), Albree
patent: 1007349 (1911-10-01), Gerdau
patent: 2032185 (1936-02-01), Sciaky
patent: 3426530 (1969-02-01), Georgelin
patent: 3633365 (1972-01-01), Belknap
patent: 4288987 (1981-09-01), Grullmeier
patent: 4300351 (1981-11-01), Grullmeier
patent: 4961317 (1990-10-01), Wolfbauer

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