| 发明名称 |
A method for preventing the gravitational back flow in a solar heating circuit has a motor operated ball valve in the flow and/or return pipe |
| 摘要 |
<p>A motor (18) driven pump (14) circulates water through a solar panel (16) and heat exchanger (12) primary (10) but restricts circulation when the pump is inactive by means of one or two ball valves (20,22) in the return (6) and flow (8) pipes respectively.</p> |
| 申请公布号 |
DE20210873(U1) |
申请公布日期 |
2003.11.20 |
| 申请号 |
DE2002210873U |
申请日期 |
2002.07.18 |
| 申请人 |
MEIBES SYSTEM-TECHNIK GMBH |
发明人 |
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| 分类号 |
F24J2/46;(IPC1-7):F24J2/04;F24J2/40 |
主分类号 |
F24J2/46 |
| 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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