发明名称 |
Thermostatically operated fuel valve control circuit |
摘要 |
A control circuit for a fuel valve in a gas fired furnace controlled by an electronic thermostat is disclosed. The thermostat requires a load current to properly operate, and a pickup and hold circuit along with a time delay circuit are integrated to control a load current circuit to provide the correct load current for the thermostat.
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申请公布号 |
US4789329(A) |
申请公布日期 |
1988.12.06 |
申请号 |
US19880158443 |
申请日期 |
1988.02.22 |
申请人 |
HONEYWELL INC. |
发明人 |
BOHAN, JR., JOHN E.;ERDMAN, JOHN L.;NELSON, MARVIN D.;RATZ, JAMES W. |
分类号 |
F23N5/20;(IPC1-7):F23Q9/08 |
主分类号 |
F23N5/20 |
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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