Fluid conveying device

A fluid transportation and fluid technology, which is applied in the field of fluid transportation devices, can solve problems such as the limitation of the sealing effect and the influence of the flow rate of the micro-pump structure.

Active Publication Date: 2009-11-18
MICROJET TECH
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0007] The main purpose of the present invention is to provide a kind of fluid conveying device, in order to solve the contact between the sealing ring of the existing micropump structure and the valve body film, which is only a closed point, the sealing effect will be limited, and the inlet channel The minimum pipe diameter is the same as the minimum diameter of the inlet temporary storage chamber, which will affect the flow rate of the overall micro-pump structure and other shortcomings

Method used

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Embodiment Construction

[0027] Some typical embodiments embodying the features and advantages of the present invention will be described in detail in the description in the following paragraphs. It should be understood that the present invention can have various changes in different aspects without departing from the scope of the present invention, and the descriptions and figures therein are used for illustration in nature rather than limiting the present invention.

[0028] see Figure 2A , is a schematic structural view of a fluid delivery device in a preferred embodiment of the present invention. As shown in the figure, the fluid delivery device 20 of the present invention can be applied to industries such as medical biotechnology, computer technology, printing or energy, and can transport gas or It is liquid, but not limited thereto. The fluid conveying device 20 is mainly composed of a valve body seat 21, a valve body cover 22, a valve body film 23, a plurality of temporary storage chambers, an...

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Abstract

The invention relates to a fluid conveying device for conveying a fluid, which comprises a valve seat, a valve cover, a valve film, a plurality of temporary storage chambers and a vibration device, wherein the valve seat is provided with an outlet channel and an inlet channel; the valve cover is combined with the valve seat in a stacking mode and is provided with an inlet valve channel which is arranged corresponding to the inlet channel and an outlet valve channel which is arranged corresponding to the outlet channel; the valve film is arranged between the valve seat and the valve cover; a first temporary storage chamber is formed between the valve film and the valve cover, and a second temporary storage chamber is formed between the valve film and the valve seat, wherein the minimum caliber of the first temporary storage chamber is larger than the pipe diameter of the inlet channel; and the periphery of the vibration device is fixedly arranged on the valve cover.

Description

【Technical field】 [0001] The invention relates to a fluid conveying device, in particular to a fluid conveying device with anti-backflow and high-flow head design. 【Background technique】 [0002] At present, in various fields, whether it is medicine, computer technology, printing, energy and other industries, products are developing towards refinement and miniaturization. Among them, the fluid delivery included in products such as micropumps, sprayers, inkjet heads, and industrial printing devices Structure is its key technology, so how to break through its technical bottleneck through innovative structure is an important content of development. [0003] see Figure 1A , is a schematic cross-sectional view of an existing micropump structure. The existing micropump structure 10 is composed of a valve body seat 11, a valve body cover 12, a valve body film 13, a microactuator 14 and a cover body 15, wherein , the valve body film 13 includes an inlet valve structure 131 and an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B43/04F04B45/047
Inventor 陈世昌张英伦余荣侯邱士哲周宗柏
Owner MICROJET TECH
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