Tag Archives: rectifying

Low-temp. rectifying method for production of nitrogen and liquid nitrogen

Application Number  00129228 Application Date  2000.09.30 Publication Number  1295227 Publication Date  2001.05.16 Priority Information   1999/11/3 US 09/432214   International Classification  C09K5/04;F25J3/04   Applicant(s) Name  Praxair Technology, Inc.   Address     Inventor(s) Name  B. Amann;D.P. Bonaquist;J.A. Weber   Patent Agency Code  72001 Patent Agent  lu xinhua AbstractA cryogenic rectification method wherein both nitrogen gas… Read More »

Catalytic rectifying tower

Application Number: 00111945Application Date: 2000.03.08Publication Number: 1266736Publication Date: 2000.09.20Priority Information: International: B01D3/14;B01J8/04Applicant(s) Name: Huadong Science and Engineering Univ.Address: Inventor(s) Name: Zhu Zibin;Xu Zhigang;Li RujiangPatent Agency Code: 31203Patent Agent: luo dachenAbstract A catalytic rectifying tower for the gas medium with low content of active component and high content of reaction material and inertial component has a… Read More »

Rectifying regulator

Application Number: 00112554Application Date: 2000.09.19Publication Number: 1289165Publication Date: 2001.03.28Priority Information: International: H02J7/14;H02M3/00;H02M7/162Applicant(s) Name: Qiao JianjunAddress: Inventor(s) Name: Qiao JianjunPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to a vehicle rectifier regulator, and is characterized by that its phase-shifting type bridge controlled rectifier converts the higher A.C. voltage inputted by magneto into lower D.C.… Read More »

Cryogenic rectifying system for producing oxygen products with non-constant production rate

Application Number: 00118784Application Date: 2000.06.27Publication Number: 1287258Publication Date: 2001.03.14Priority Information: 1999/6/28 US 09/340032International: F25J3/04Applicant(s) Name: Praxair Technology, Inc.Address: Inventor(s) Name: James Patrick MeagherPatent Agency Code: 72001Patent Agent: pang lizhiAbstract A cryogenic air separation system wherein product oxygen may be produced effectively at a higher production rate and at a lower production rate than the nominal… Read More »

Rectifying power supply apparatus

Application Number: 00119525Application Date: 2000.07.28Publication Number: 1336717Publication Date: 2002.02.20Priority Information: International: H02M7/04Applicant(s) Name: Shanghai Xinyuan Variable Frequency Electrical Appliance Co., Ltd.Address: Inventor(s) Name: Wu Weimin;Chen GuochengPatent Agency Code: 31128Patent Agent: li gaodongAbstract The invention relates to rectifier power source with high power factor. AC voltage zero cross detecting circuit, AC current detecting circuit and voltage… Read More »

Process for rectifying recovery of diluted dimethyl formamide liquid generated in synthesizing artificial leather by wet method

Application Number: 00125092Application Date: 2000.09.07Publication Number: 1282733Publication Date: 2001.02.07Priority Information: International: C07C231/24;C07C233/04Applicant(s) Name: Tianhui Synthetic Leather Factory, ShanghaiAddress: Inventor(s) Name: Jin Genlin;Zhu Liguo;Wang ShijunPatent Agency Code: 31113Patent Agent: chen zhiliangAbstract A wet process for rectifying recovery of dilute dimethyl formamide liquid generated in producing artificial leather features that the phase-change boiling distillation is used for… Read More »

Cryogenic rectifying system for producing very high purity oxygen

Application Number: 00126404Application Date: 2000.08.29Publication Number: 1286387Publication Date: 2001.03.07Priority Information: 1999/8/31 US 09/386276International: F25J3/04Applicant(s) Name: Praxair Technology, Inc.Address: Inventor(s) Name: D.P. Bonaquist;J.F. BillinghamPatent Agency Code: 72001Patent Agent: lu xinhuaAbstract A cryogenic air separation system for producing very high purity oxygen employing a lower pressure column having a volume in its lower portion set off by… Read More »