ELECTRIC VEHICLE AS WELL AS ELECTRIC HEATING EQUIPMENT AND ELECTRIC HEATING DEVICE THEREOF

WIPO Patent Application WO/2022/143325

A1

The present application discloses an electric vehicle as well as an electric heating equipment and an electric heating device thereof. The electric heating device comprises: a base member (10); and a heating conductor layer (11) arranged on the first surface (101) of the base member (10), the heating conductor layer (11) comprises extended sections (13) separated by an insulating part/insulating parts (12), the extended section (13) extends back and forth on the first surface of the base member (10) and there is at least one switchback region (14), the part of the extended section (13) before passing through the switchback region (14) and the part of the extended section (13) after passing through the switchback region (14) are arranged to be adjacent to each other and have opposite electrical current directions, at the inner side of the switchback region (14), the insulating part (12) linearly extends in parallel to the extension direction of the extended section (13), and the tail end (O) of the insulating part (12) is provided with an electrical current guide structure. According to the technical solution of the present application, good manufacturability can be achieved.

WANG HUIFANG (CN)
ZHOU JIANDANG (CN)
XU JIAN (CN)
WEI XIANYU (CN)
CHANG TAO (CN)
JIANG YI (CN)

PCT/CN2021/140345

July 07, 2022

December 22, 2021

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ZHENJIANG HELMHOLTZ HEAT TRANSFER TRANS SYSTEM CO LTD (CN)

H05B3/26; B60H1/00; B60H1/22

US10314114B2	2019-06-04
US20190289674A1	2019-09-19
EP1478291B1	2006-12-27
CN102655694B	2015-04-01
US8859939B2	2014-10-14

BEIJING WIS & WEALS LAW FIRM (CN)

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