国家/地区 中国（2）
IPC部 F（2）
IPC大类 F24（2）
IPC小类 F24D（2）
IPC F24D013/02（2）
发明人 LI L（2）
公开年
申请年 2020（2）
专利权人

Direct-heated electric heater, has binding post fixed on two sides of heat conducting substrate, and carbon fiber heating wire arranged on heat conducting substrate in parallel, where aluminum foil is pressed on carbon fiber heating wire.

SUN A, LI L, ZHANG P

Graphene electric heater, has outer shell whose inner part is equipped with multiple graphene heating plates, and guide shaft whose end passes through inclined sliding groove on two supporting legs, where sliding groove is connected with side of shell.

ZHANG J, LI L, LI Y