Pneumatically operated mechanism

Details Pneumatically operated mechanism Pneumatically operated mechanism

1998-03-17

2000-04-18

Lopez, F. Daniel

Motors: expansible chamber type

With motive fluid valve

Plural separately controlled waste passages for single...

91DIG2, F15B 11044

Patent

active

060501723

ABSTRACT:
A pneumatically operated mechanism for a glass machine comprises a piston and cylinder device, first and second air lines leading to opposite sides of the piston, and first and second control means for controlling the passage of air through the air lines, which control means each comprise an operating valve and a speed control valve. The valves are solenoid operated and by control of the timing of operation of the valves the speed of movement of the piston and the degree of cushioning at the ends of its stroke may be adjusted. In a modified mechanism pressure sensors which sense the pressures in the piston and cylinder device are connected to a processor which is adapted in response to data sensed by the sensors to operate the valves to obtain a desired movement of the piston.

REFERENCES:
patent: 1278917 (1918-09-01), Hall

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