Tag Archives: Stepped

Stepped regeneration process of sulfuric acid after water desalting treatment

Application Number  00129467 Application Date  2000.12.29 Publication Number  1361069 Publication Date  2002.07.31 Priority Information     International Classification  C02F1/42   Applicant(s) Name  Qilu Petrochemical Co., China Petrochemical Group   Address     Inventor(s) Name  Xi Wenhong;Li Shengtai;Peng Sen   Patent Agency Code  37103 Patent Agent  geng xia AbstractThe present invention features that in the cationic… Read More »

Spirally lifted stepped lattice dirt eliminating machine

Application Number: 00125738Application Date: 2000.10.20Publication Number: 1350100Publication Date: 2002.05.22Priority Information: International: E03F5/14Applicant(s) Name: Shanghai Sifeike Water Environment Engineering Co., Ltd.Address: Inventor(s) Name: Ge Rushan;Tang Yan;Dai YibiaoPatent Agency Code: 31002Patent Agent: fei kaikuiAbstract The present invention provides a screw lifting stepped barrier sludge-removing machine, and is characterized by that the works of solid-liquid separation stage, refuse… Read More »

Noise-reducing volute with stepped spiral tougue

Application Number: 00115736Application Date: 2000.05.16Publication Number: 1270281Publication Date: 2000.10.18Priority Information: International: F04D29/44;F04D29/66Applicant(s) Name: Shanghai Jiaotong Univ.Address: Inventor(s) Name: Gu Jianming;Lu Mingqi;Gu XujiaPatent Agency Code: 31201Patent Agent: zhou wenjuanAbstract A noise-reducing volute with stepped tongue features that said volute for centrifugal blower has 2 or 3 tongues other than 1 tongue, which are stepped.

Aerial element structure with stepped aerial in wireless telephone

Application Number: 00124763Application Date: 2000.09.13Publication Number: 1343025Publication Date: 2002.04.03Priority Information: International: H01Q1/24;H01Q9/42Applicant(s) Name: Ryang Hong-DooAddress: Inventor(s) Name: Ryang Hong-DooPatent Agency Code: 72002Patent Agent: wu jingbeiAbstract An anenna assembly with stepped antenna for the cordless telephone is composed of a rod antenna, a stepped antenna formed by alternatively connecting the open rings, an antenna radome with… Read More »

Stepped frequency converter

Application Number: 00104779Application Date: 2000.03.21Publication Number: 1314627Publication Date: 2001.09.26Priority Information: International: G06F1/20Applicant(s) Name: Shenji Science and Technology Co., Ltd.Address: Inventor(s) Name: Xu HaoquanPatent Agency Code: 31100Patent Agent: sun jingguoAbstract The stepped frequency converter of the present invention is used to regulate system frequency according to the variation in system CPU and periphery temperature. It consists… Read More »

Stepped attenuation controlling circuit in digital current mode

Application Number: 00101594Application Date: 2000.01.26Publication Number: 1307405Publication Date: 2001.08.08Priority Information: International: H03H11/24;H04L29/00Applicant(s) Name: Huawei Technology Co., Ltd.Address: Inventor(s) Name: Yin DengqingPatent Agency Code: 00000Patent Agent: Abstract A stepped attenuation controlling circuit includes several stages of cascade current attenuation circuits, the digital control end, common-mode feedback current input end and bias end of each stage connected… Read More »