国家/地区 中国（4）
IPC部 C（4）
IPC大类 C08（4） B29（2） B32（2）
IPC小类 C08K（4）
IPC C08K007/10（4）
发明人 LIU Y（4）
公开年 2023（2）
申请年 2022（3） 
专利权人

Liquid ring type vacuum pump comprises e.g. pump body, pump cover fixed at two ends of the pump body respectively, disc fixed between two pump covers and pump body and impeller fixed on rotating shaft between two discs.

ZHAO X, WANG Q, LIU Y, YUE H, YU S

Foam electromagnetic shielding material with bulletproof function used in stealth airplanes, is prepared by superposing coated aramid fiber laid fabric blocks to obtain bulletproof aramid fiber chips to obtain foam electromagnetic shielding material precursor, and heating.

FU L, PAN Z, WU Z, LIU Y, FANG X, CUI Z, LI Z, XU D, AI Q, HU L, LI N, CHEN H

Preparing X-band stealth/lightning protection skin comprises laying up carbon fiber prepreg, conductive prepreg, wave-absorbing prepreg and wave-transmitting prepreg in sequence on surface of tooling, obtaining first skin, and molding first skin by vacuum bag process.

LI B, SONG Z, WEN Y, LIU Y

Preparing graphene oxide grafted basalt fiber multi-scale reinforcements using dopamine as endo comprises e.g. oxidized graphene ammoniating: adding the graphene oxide into deionized water, and ultrasonically dispersing.

LIU Y, ZHOU S, WANG J, WANG S, ZHAO G