发明名称 |
Control system for a heat pump system |
摘要 |
A control system provides slow and fast defrost cycles for a heat pump by providing an auxiliary manual switch to select different cams of a timing means for cycle operation. Selective ones of the cam switches are connected in parallel to permit two different defrost time cycles utilizing four cams rotating at the same speed.
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申请公布号 |
US4581901(A) |
申请公布日期 |
1986.04.15 |
申请号 |
US19840628156 |
申请日期 |
1984.07.05 |
申请人 |
EMHART INDUSTRIES, INC. |
发明人 |
ADAMS, GEORGE W.;SHEEKS, JIMMY L. |
分类号 |
F25D21/00;(IPC1-7):F25D21/08;H01H7/08 |
主分类号 |
F25D21/00 |
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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