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PRINTING FLUID RESTRICTOR PLATE FOR AN INK JET PRINT HEAD ASSEMBLY AND METHOD
PRINTING FLUID RESTRICTOR PLATE FOR AN INK JET PRINT HEAD ASSEMBLY AND METHOD
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机译:用于喷墨打印头组件和方法的印刷液限制板
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摘要
A restrictor plate for an ink jet print head assembly includes a substantially flat body having fluid flow passageways extending through the body. The fluid flow passageways are elongated between a fluid receiving volume end and an opposite fluid ejection volume end. The receiving volume end is fluidly coupled with a chamber and the ejection volume end is fluidly coupled with an orifice of the assembly from which the fluid is ejected. The receiving volume end receives the ink from the chamber so that the ink flows through the passageways along a printing direction. The body is shaped around the one or more fluid flow passageways to form one or more bottlenecks in the one or more fluid flow passageways that increase a fluid flow resistance of the fluid along a direction in the one or more fluid flow passageways that is opposite of the printing direction.
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