| 发明名称 |
Retrofit Heating System For Spa |
| 摘要 |
A spa is retrofit for use with a heat pump for both heating and cooling the water contained in the spa tub. The heat pump uses the existing water pump of the hydrotherapy system to circulate the water through the heat exchanger of the heat pump.
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| 申请公布号 |
US2007180606(A1) |
申请公布日期 |
2007.08.09 |
| 申请号 |
US20070733307 |
申请日期 |
2007.04.10 |
| 申请人 |
PICKRELL DAVID;NA BYEONGCHUL BRIAN;TOURNAS ANDREW;GRAHAM PATRICK |
发明人 |
PICKRELL DAVID;NA BYEONGCHUL (BRIAN);TOURNAS ANDREW;GRAHAM PATRICK |
| 分类号 |
A47K3/10;A47K3/00 |
主分类号 |
A47K3/10 |
| 代理机构 |
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代理人 |
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