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Title:
LIQUID HEATING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/148785
Kind Code:
A1
Abstract:
Disclosed is a liquid heating device, comprising an inner tube (1), an outer tube (21), and a sealing end cap (3), wherein an outer peripheral wall of the inner tube (1) is provided with a spiral liquid guidance structure (11); the outer tube (21) is sleeved outside the spiral liquid guidance structure (11); an outer peripheral wall of the outer tube (21) is adapted to have a heating assembly (20) mounted thereon; an inner peripheral wall of the outer tube (21) and the spiral liquid guidance structure (11) are spaced apart by a predetermined radial gap; a flow passage (14) is formed between the inner tube (1) and the outer tube (21), and at least one end opening of the flow passage (14) is covered by a sealing end cap (3); a liquid inlet (12) and a liquid outlet (13) are provided on a chamber wall of the flow passage (14); and the sealing end cap (3) comprises an annular end wall, a first flanging (31) provided on an inner periphery of the annular end wall, and a second flanging (32) provided on an outer periphery of the annular end wall. The liquid heating device can improve the food safety of a heated liquid, and the sealing structure is easy to produce, so that the cost is reduced, and the high-pressure resistance of the heating device is enhanced.

Inventors:
DU, Shaoling (Room 801, Building 7No.82 Lingnan Avenue, Chancheng Distric, Foshan Guangdong 0, 528000, CN)
Application Number:
CN2018/097171
Publication Date:
August 08, 2019
Filing Date:
July 26, 2018
Export Citation:
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Assignee:
HEATING LEADER ELECTRONIC TECHNOLOGY CO. LTD (Floor 4, Building 72 Lihe Technology Industry Center,No.33 South Xinxi Avenue, Shishan Town, Nanhai Distric, Foshan Guangdong 0, 528000, CN)
International Classes:
F24H1/14; F24H9/00
Attorney, Agent or Firm:
GUANGZHOU YUEXIU JILY PATENT & TRADEMARK LAW OFFICE (Zhouzhiquan, Room 34 L13,No. 70 Zhongshan Wulu Yuexi, Guangzhou Guangdong 0, 510000, CN)
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