The valve, in particular glue valve, consists of a valve housing (10) and of a plug unit (11) fitted thereto. The two parts are assembled separately, with connecting clips (41, 42) being connected to the plug unit (11) and, when the plug unit (11) is fitted onto the valve housing (10), being connect
The valve, in particular glue valve, consists of a valve housing (10) and of a plug unit (11) fitted thereto. The two parts are assembled separately, with connecting clips (41, 42) being connected to the plug unit (11) and, when the plug unit (11) is fitted onto the valve housing (10), being connected to the latter, namely to the coil core (15), via clamping members.
대표청구항▼
1. A method for actuating a valve for a free-flowing medium, the medium having a changeable viscosity, the valve having an electromagnetically actuable closure member having a closure piece (20) which, in the closed position, bears against a valve seat (22), wherein an opening period of the opening
1. A method for actuating a valve for a free-flowing medium, the medium having a changeable viscosity, the valve having an electromagnetically actuable closure member having a closure piece (20) which, in the closed position, bears against a valve seat (22), wherein an opening period of the opening position of the valve is controllable depending on the changeable viscosity of the medium in such a manner that, owing to different opening periods, substantially identically sized portions of the medium are dispensed during the opening period irrespective of the viscosity of the medium, wherein the opening period of the valve is controlled according to a stoppage period of the valve and resultantly induced cooling of the valve and of the medium in such a manner that, in the event of a prolonged stoppage phase during a limited operating period after the valve is restarted, a longer opening period of the valve is set, with the opening period being increasingly reduced as operation continues until a standard opening period is reached. 2. The method as claimed in claim 1, wherein the change in the viscosity of the medium and, depending thereon, the opening period of the valve during the re-start after a stoppage phase is determined on the basis of empirical measurements and an algorithm which is stored in a controller. 3. The method as claimed in claim 1, wherein the change in the viscosity of the medium and, depending thereon, the opening period of the valve during the re-start after a stoppage phase is determined on the basis of empirical measurements and an algorithm which is stored in a controller, by deriving the change in viscosity therefrom with a linear change in the opening period of the valve in accordance with the preceding stoppage period. 4. A method for actuating a valve for a free-flowing medium, the medium having a changeable viscosity, the valve having an electromagnetically actuable valve tappet (17) closure member having a closure piece (20) which, in the closed position, bears against a valve seat (22), wherein an opening period of the opening position of the valve in which the valve tappet (17) of the closure piece (22) is in a position that is raised from the valve seat (22) is changeable depending on the changeable viscosity of the medium in such a manner that, owing to different opening periods, substantially identically sized portions of the medium are dispensed during the opening period irrespective of the viscosity of the medium, wherein the opening period of the valve is controlled according to a stoppage period of the valve and resultantly induced cooling of the valve and of the medium in such a manner that, in the event of a prolonged stoppage phase during a limited operating period after the valve is restarted, a longer opening period of the valve is set, with the opening period being increasingly reduced as operation continues until a standard opening period is reached. 5. The method as claimed in claim 4, further comprising determining the change in the viscosity of the medium and, depending thereon, the opening period of the valve during the re-start after a stoppage phase on the basis of empirical measurements and an algorithm which is stored in a controller. 6. The method as claimed in claim 4, further comprising determining the change in the viscosity of the medium and, depending thereon, the opening period of the valve during the re-start after a stoppage phase on the basis of empirical measurements and an algorithm which is stored in a controller, by deriving the change in viscosity therefrom with a linear change in the opening period of the valve in accordance with the preceding stoppage period.
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이 특허에 인용된 특허 (10)
Price Richard P. (Parma Heights OH), Apparatus for dispensing fluid materials.
Price Richard P. (Parma Heights OH), Method of compensating for changes in the flow characteristics of a dispensed fluid to maintain the volume of dispensed.
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