Tag Archives: Microforce

Microforce controlled valve

Application Number: 00110174Application Date: 2000.03.01Publication Number: 1264002Publication Date: 2000.08.23Priority Information: International: F16K13/00Applicant(s) Name: Li YanjingAddress: Inventor(s) Name: Li YanjingPatent Agency Code: 23101Patent Agent: ma weijieAbstract The present invention relates to a movable valve core that is a diameter-changeable pipe with thick and thin segments connected by a conic tube. The left end of partition has… Read More »