Inlet monitor and latch for a crust breaking system

Details Inlet monitor and latch for a crust breaking system Inlet monitor and latch for a crust breaking system

2007-10-16

2007-10-16

Lazo, Thomas E. (Department: 3745)

Motors: expansible chamber type

With correlated control of motive fluid and locking means

Sequential operation of locking means and motive fluid control

C092S015000, C092S030000

Reexamination Certificate

active

11355812

ABSTRACT:
A system for selectively controlling movement of a piston between first and second positions, the system comprising a controller selectively actuated to enable fluid communication between a device and a source of pressurized fluid, a control valve for enabling fluid communication between a control system and the source of pressurized fluid, a sensing system for identifying the first and second positions, a monitoring valve selectively actuated by the at least one sensing valve for exhausting the flow of pressurized fluid, wherein the monitoring actuator remains actuated until the control valve is deactuated, and a latching mechanism selectively capable of engaging the piston when a loss of pressurized fluid has been identified.

REFERENCES:
patent: 3359862 (1967-12-01), Modrich
patent: 4463656 (1984-08-01), Mattsson
patent: 4700612 (1987-10-01), Pfister
patent: 5163353 (1992-11-01), Horstmann et al.
patent: 6649035 (2003-11-01), Horstmann et al.
patent: WO 8102044 (1981-07-01), None
patent: WO-2007/042780 (2007-04-01), None
Four Web Pages from www.norgren.com
/aluminium/sector/latching.html for Norgren “Latching Mechanism—Pneumatically-Operated Mechanical Latch”.

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