Tag Archives: Triphase

Automatic phase failure control circuit for triphase power supply

Application Number: 00110921Application Date: 2000.02.29Publication Number: 1267937Publication Date: 2000.09.27Priority Information: International: H02H3/00;H02H3/253Applicant(s) Name: Chu YanzhiAddress: Inventor(s) Name: Chu YanzhiPatent Agency Code: 37209Patent Agent: yi weilinAbstract The automatic control circuit consists of upper power source detector of one SCR, lower power source detector with three photoelectric couplers controller of one other SCR and stepdown rectifier comprising… Read More »

Power transformer changing triphase into four-phase

Application Number: 00113419Application Date: 2000.05.11Publication Number: 1324083Publication Date: 2001.11.28Priority Information: International: H01F30/14Applicant(s) Name: Liu GuangyeAddress: Inventor(s) Name: Liu GuangyePatent Agency Code: 00000Patent Agent: Abstract An electric power transformer of changing three phase to four phase forms as to wind the first and the second original winding at a column, the first and the second original… Read More »

Triphase digital and setting type breaker

Application Number: 00122317Application Date: 2000.07.28Publication Number: 1336675Publication Date: 2002.02.20Priority Information: International: H01H71/74;H01H83/00Applicant(s) Name: Pan YumingAddress: Inventor(s) Name: Pan YumingPatent Agency Code: 15101Patent Agent: su aihuaAbstract This invention relates to a triphase digital and setting type breaekr. It contains a cover, a base, input terminal, output terminal, static contact, motion contact, arc-extinguishing cover, switch tripping mechanism,… Read More »

Method and structure to make triphase motor applicable to different voltage or frequency

Application Number: 00122798Application Date: 2000.08.09Publication Number: 1337769Publication Date: 2002.02.27Priority Information: International: H02K1/06;H02K3/28;H02K5/04Applicant(s) Name: Junlong Industry Co., Ltd.Address: Inventor(s) Name: Huang CongrenPatent Agency Code: 31100Patent Agent: li xiangAbstract The present invention relates to a method for making three-phase motor be applicable to different voltage/freqency and its structure. It is characterized by that it adopts ampere-averaging mode… Read More »

Triphase one-step extraction process to purify penicillin

Application Number: 00107655Application Date: 2000.05.23Publication Number: 1324795Publication Date: 2001.12.05Priority Information: International: C07D499/18Applicant(s) Name: Inst. of Chemical Metallurgy, Chinese academy of SciencesAddress: Inventor(s) Name: Chen Ji;Wang Bin;Liu QingfenPatent Agency Code: 31002Patent Agent: gao cunxiuAbstract A three-phase extraction one-step method for extracting and purifying penicillin includes the following steps: adding macromolecular polymer/salt or two kinds of macromolecular… Read More »

Triphase line or load protector module

Application Number: 00100310Application Date: 2000.04.03Publication Number: 1271196Publication Date: 2000.10.25Priority Information: International: H02H3/08;H02H3/13;H02H3/34;H02H7/08Applicant(s) Name: Wang ZhengcunAddress: Inventor(s) Name: Wang ZhengcunPatent Agency Code: 00000Patent Agent: Abstract The triphase line and load protector module consists of current sample circuit, active semi-wave rectifier circuit, filter circuit, integrated regulator circuit, count-time limt circuit, voltage comparactor circuit, output relay, main switch,… Read More »