Speed control with end cushion for high speed air cylinder

Details Speed control with end cushion for high speed air cylinder Speed control with end cushion for high speed air cylinder

1989-06-20

1991-07-23

Bentley, Stephen C.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By movement of control element or by release of neutron...

376234, G21C 720

Patent

active

050341847

ABSTRACT:
A high speed air cylinder in which the longitudinal movement of the piston within the air cylinder tube is controlled by pressurizing the air cylinder tube on the accelerating side of the piston and releasing pressure at a controlled rate on the decelerating side of the piston. The invention also includes a method for determining the pressure required on both the accelerating and decelerating sides of the piston to move the piston with a given load through a predetermined distance at the desired velocity, bringing the piston to rest safely without piston bounce at the end of its complete stroke.

REFERENCES:
patent: 3406093 (1968-10-01), De Paratesi et al.
patent: 3980519 (1976-09-01), Taft
patent: 4487739 (1984-12-01), Thatcher et al.
MacFarlane et al, Hazards Summary Report on the Transient Reactor Test Facility (Treat), ANL-5923, Oct. 1958, pp. 18-22.

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