Fluid sprinkling – spraying – and diffusing – Including valve means in flow line – Relatively movable remotely arranged operator for controller
Patent
1989-02-24
1990-01-16
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Including valve means in flow line
Relatively movable remotely arranged operator for controller
417318, A63H 318
Patent
active
048937533
ABSTRACT:
A waterjet cutting apparatus for limiting pressure spikes caused by hydraulic pressure surges. A hydraulic pump pressurizes hydraulic fluid used to operate the apparatus. An intensifier is driven by the pump. An on-off nozzle valve actuator is coupled to the pump and to the intensifier. First and second linkages are provided. The second linkage has a lost motion slot formed therein. An output control device is provided in the pump for controlling output from the pump and thus controlling the level of hydraulic fluid pressure admitted to the intensifier. A first control arm is coupled to the output control device and movable between a "MAX" and "MIN" position. An on-off nozzle actuator opens and closes the on-off nozzle valve remotely by way of the first linkage. A second control arm is coupled to the on-off nozzle valve actuator device and is movable between an "ON" and an "OFF" position. The first and second control arms are interconnected by the second linkage in such a way that the lost motion slot permits the first control arm to move from the "MAX" to the "MIN" position when the second control arm remains in the "ON" position thereby suppressing pressure spikes.
REFERENCES:
patent: 3500751 (1970-03-01), Robertson
patent: 4029440 (1977-06-01), Olsen
patent: 4313570 (1982-02-01), Olsen
patent: 4335999 (1982-06-01), Lamontagne et al.
Jordan Raymond M.
Munoz Jose P.
Bell J. R.
Ingersoll-Rand Company
Kashnikow Andres
Murphy B. J.
Tibbott D. W.
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