F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
F15B 13/044 (2006.01) F15B 13/04 (2006.01)
Patent
CA 2279979
A three position digitally latched fluid control valve (10). The control valve (10) includes a housing (12) which has a cylinder port (16), a supply port (18), and a return port (14). The control valve (10) also contains an internal valve (20) that moves between a first position, a second position, and a neutral position. In the first position, the internal valve (20) provides fluid communication between the cylinder port (16) and the supply port (18). In the second position, the valve (20) provides fluid communication between the cylinder port (16) and the return port (14). In the neutral position, the valve (20) prevents fluid communication between the ports. The control valve (10) has a first actuator (36) and a second actuator (38) that are actuated by digital pulses to move the internal valve (20) between the first, second, and neutral positions.
La présente invention concerne une soupape de régulation (10) de fluide, verrouillée numériquement, à trois positions. La soupape de régulation comprend un logement (12) pourvu d'un orifice de cylindre (16), d'un orifice d'alimentation (18) et d'un orifice de retour (14). La soupape de régulation (10) comporte également une soupape interne (20) qui se déplace entre une première position, une seconde position et une position neutre. Dans la première position, la soupape interne (20) assure la communication fluidique entre l'orifice de cylindre (16) et l'orifice d'alimentation (18). Dans la seconde position, la soupape (20) assure la communication fluidique entre l'orifice de cylindre (16) et l'orifice de retour (14). Dans la position neutre, la soupape (20) empêche la communication fluidique entre lesdits orifices. La soupape de régulation (10) comprend un premier actionneur et un second actionneur (38) actionnés par des impulsions numériques de façon à déplacer la soupape interne (20) entre la première position, la seconde position et la position neutre.
Massey Steven
Sturman Oded E.
Riches Mckenzie & Herbert Llp
Sturman Oded E.
Sturman Industries Inc.
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