Tag Archives: Butterfly

Low-torque butterfly valve

Application Number: 00119105Application Date: 2000.06.14Publication Number: 1329221Publication Date: 2002.01.02Priority Information: International: F16K1/22Applicant(s) Name: Wenzhou Tingyu Group Co., Ltd.Address: Inventor(s) Name: Pan TingyuPatent Agency Code: 00000Patent Agent: Abstract A low-torque butterfly valve relates to the field of valve technology, and is characterized by that the lower end of valve rod is equipped with an oblique slot… Read More »

High temperature high corrosion resistant butterfly valve

Application Number: 00116614Application Date: 2000.06.20Publication Number: 1311406Publication Date: 2001.09.05Priority Information: International: F16K1/22Applicant(s) Name: Ji ZhuhuaAddress: Inventor(s) Name: Ji ZhuhuaPatent Agency Code: 00000Patent Agent: Abstract A butterfly valve of high temperature and high corrosion resisting is designed in optimum parameters by the computers with special geometrical structure to get a minimum monent of force in on… Read More »

Butterfly volume variator

Application Number: 00102802Application Date: 2000.03.06Publication Number: 1312435Publication Date: 2001.09.12Priority Information: International: F01C1/10;F04C2/10Applicant(s) Name: Zhang QuanAddress: Inventor(s) Name: Zhang QuanPatent Agency Code: 22101Patent Agent: liu liminAbstract The present invention relates to a butterfly variable displacement equipment, which is characterized by that the interior of its cylinder body is equipped with main gear and planetary gear, a… Read More »