摘要:
A second valve is opened to combine an injection-pressure generating pressure with a maintaining pressure into an injection pressure. After the injection pressure is applied to a capillary (9) to cause discharge of an object therefrom, an output pressure of a regulator (3) is set to the injection pressure. Then, a first valve is opened to reapply the injection pressure to the capillary (9). The second valve is opened to combine a maintaining-pressure generating pressure with the injection pressure into the maintaining pressure. After the maintaining pressure is applied to the capillary (9) to terminate the discharge of the object, the output pressure of the regulator (3) is set to the maintaining pressure. Then, the first valve is opened to reapply the maintaining pressure to the capillary (9).
摘要:
An electronic, programmable device for controlling the motion of compressor valve elements, wherein the device receives an incoming signal from a velocity sensor located on a compressor valve; filters, amplifies, and processes the incoming signal by a control algorithm; and responds to the incoming signal by creating an output signal that produces an actuator force that is applied directly to a moving valve element and associated methodology.
摘要:
A second valve is opened to combine an injection-pressure generating pressure with a maintaining pressure into an injection pressure. After the injection pressure is applied to a capillary (9) to cause discharge of an object therefrom, an output pressure of a regulator (3) is set to the injection pressure. Then, a first valve is opened to reapply the injection pressure to the capillary (9). The second valve is opened to combine a maintaining-pressure generating pressure with the injection pressure into the maintaining pressure. After the maintaining pressure is applied to the capillary (9) to terminate the discharge of the object, the output pressure of the regulator (3) is set to the maintaining pressure. Then, the first valve is opened to reapply the maintaining pressure to the capillary (9).
摘要:
A control valve device (16) comprises two direction control valves (20) and (21). The direction control valve (20) includes an expansion side variable throttle portion (20C) and a contraction side variable throttle portion (20D). The direction control valve (21) includes an expansion side variable throttle portion (21C) and a contraction side variable throttle portion (21D). When a hoist cylinder (10) is telescopically operated to raise or lower a vessel (3), as the hoist cylinder (10) approaches a stop position, a controller (35) determines that the hoist cylinder (10) gets close to the stop position. Based upon this determination, the controller (35) variably adjusts a flow passage area of the direction control valve (20) using the variable throttle portions (20C) and (20D) or variably adjusts a flow passage area of the direction control valve (21) using the variable throttle portions (21C) and (21D) in such a manner as to slow down or speed up the telescopic speed of the hoist cylinder (10) corresponding to the weight in the side of vessel (3).
摘要:
Dispositif appliqué à la régulation du débit d'air circulant dans un arbre rotatif (10) d'une turbomachine comportant au moins un orifice (12) le traversant pour le passage de l'air. Le dispositif comporte au moins une soupape d'obturation (14) de l'orifice (12) qui est solidaire d'une lame déformable (16) à comportement bilinéaire, la lame (16) étant fixée sur l'arbre (10) et apte à se déformer sous l'effet de la force centrifuge résultant de la rotation de l'arbre de sorte que la soupape (14) est apte à prendre deux positions différentes selon le régime de rotation de l'arbre ; une position dans laquelle elle obture l'orifice (12) et une autre position dans laquelle elle libère l'orifice pour permettre le passage de l'air.
摘要:
A control valve device (16) comprises two direction control valves (20) and (21). The direction control valve (20) includes an expansion side variable throttle portion (20C) and a contraction side variable throttle portion (20D). The direction control valve (21) includes an expansion side variable throttle portion (21C) and a contraction side variable throttle portion (21D). When a hoist cylinder (10) is telescopically operated to raise or lower a vessel (3), as the hoist cylinder (10) approaches a stop position, a controller (35) determines that the hoist cylinder (10) gets close to the stop position. Based upon this determination, the controller (35) variably adjusts a flow passage area of the direction control valve (20) using the variable throttle portions (20C) and (20D) or variably adjusts a flow passage area of the direction control valve (21) using the variable throttle portions (21C) and (21D) in such a manner as to slow down or speed up the telescopic speed of the hoist cylinder (10) corresponding to the weight in the side of vessel (3).
摘要:
Dispositif appliqué à la régulation du débit d'air circulant dans un arbre rotatif (10) d'une turbomachine comportant au moins un orifice (12) le traversant pour le passage de l'air. Le dispositif comporte au moins une soupape d'obturation (14) de l'orifice (12) qui est solidaire d'une lame déformable (16) à comportement bilinéaire, la lame (16) étant fixée sur l'arbre (10) et apte à se déformer sous l'effet de la force centrifuge résultant de la rotation de l'arbre de sorte que la soupape (14) est apte à prendre deux positions différentes selon le régime de rotation de l'arbre ; une position dans laquelle elle obture l'orifice (12) et une autre position dans laquelle elle libère l'orifice pour permettre le passage de l'air.