Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent
1997-03-13
1999-05-04
Ferensic, Denise L.
Valves and valve actuation
Fluid actuated or retarded
Pilot or servo type motor
137599, 137901, F16K 3110
Patent
active
058994335
ABSTRACT:
A washing water supply apparatus for a dish washing machine which is capable of concurrently supplying washing water to both upper and lower spray arms or selectively supplying the washing water to either the upper spray arm or the lower spray arm based on the washing amount of dishes. The apparatus includes a casing for guiding washing water in a washing water flow path in order to convert a part of the washing water flow into a cross-flow, an orifice tube for increasing the flowing speed of the washing water introduced into the casing and discharging the same, a valve ball for opening/closing an orifice of the orifice tube, and movable in the interior of the casing in accordance with a flow direction of the washing water, and an actuator having a moving member for moving the valve ball toward the orifice.
REFERENCES:
patent: 990530 (1911-04-01), Dufty
patent: 1038294 (1912-09-01), Chilton
patent: 1518461 (1924-12-01), Smith
patent: 3549117 (1970-12-01), Hanson
patent: 4040441 (1977-08-01), Brown
patent: 4273310 (1981-06-01), Ginzler
patent: 4503887 (1985-03-01), Johnson
patent: 5037062 (1991-08-01), Neuhaus
Chang Jae Won
Chung Hae Yoong
Han Dae Yeong
Jeon Si-Moon
Kim Joon Woo
Farid Ramyar
Ferensic Denise L.
LG Electronics
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