印姓专利名称：Double-acting pump
申请号：US08945420
申请日：19971027
一级动火公开号：US06299415B1
纸巾盒图片
公开日：右脸颊长痘的原因
20011009
专利内容由知识产权出版社提供
专利附图：
凉拌米皮
摘要：A double-acting pump having two cavities, each of which is divided into an
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operating chamber and a working chamber by means of a respective movable partition wall. Each of the operating and working chambers is provided with a valve-controlled inlet and outlet for a gaous driving medium and a pump-transported liquid working medium. A movement transmission device extends between the movable partition walls
and transmits movement of one partition wall to the other and vice versa. This movement transmission device includes a spring element for compression and expansion in the movement transmission direction such that a distance between the partition walls is variable as one partition wall can move independently of the other wall responsive to relative gas pressure in the operating chambers.
申请人：BAHRTON SVANTE
代理机构：Jacobson Holman, PLLC心愿作文400字
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