发明名称 |
Heat exchanger core made of aluminum and method for application of flux during process of soldering thereof |
摘要 |
A method for production of a heat exchanger is disclosed, where a powder flux is applied in a process of soldering a heat exchanger core of aluminum. An annular groove is formed in a seat plate. Measures are taken for preventing wetting of the annular groove of the seat plate when sprayed with the water on the preassembled core, such that a non-corrosive flux would not adhere to the annular groove of the seat plate. Water is sprayed in the form of a mist on a preassembled heat exchanger core through plurality of spray nozzles. The annular grooves of the seat plates are thoroughly dried after the application of water for attaining a perfect absence of residual non-corrosive flux in the annular grooves of the seat plates. A non-corrosive flux powder is sprayed onto the preassembled heat exchanger core of aluminum with a powder spray gun. The non-corrosive flux is caused to adhere fast to the portion wetted with the water.
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申请公布号 |
US4901907(A) |
申请公布日期 |
1990.02.20 |
申请号 |
US19880159195 |
申请日期 |
1988.02.23 |
申请人 |
NIHON RADIATOR CO;PACIFIC MACH & ENG CO |
发明人 |
ENOKIDO, HIROAKI;HATANAKA, TAKAYUKI;KOZONO, TAKASHI |
分类号 |
B23K1/00;F28F21/08 |
主分类号 |
B23K1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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