发明名称 |
BURNER CONTROL SYSTEM WITH CONTINUOUS CHECK OF HOT SURFACE IGNITOR DURING RUN CYCLE |
摘要 |
BURNER CONTROL SYSTEM WITH CONTINUOUS CHECK OF HOT SURFACE INGNITOR DURING RUN CYCLE A fuel valve and ignitor control system in which pull-in current for a fuel valve operating on rectified alternating current is supplied through a first normally open relay whose coil is connected in series with normally open contacts of a second relay and an intermittently operating hot surface ignitor. Normally closed contacts of the second relay are connected in series with the ignitor and the fuel valve through a holding resistor, whereby actuation of the second relay provides unrectified alternating current to the ignitor and actuates the first relay to provide pull-in current to the fuel valve, and whereby deactivation of the second relay provides holding current to the fuel valve through the ignitor. |
申请公布号 |
CA2122299(A1) |
申请公布日期 |
1994.10.31 |
申请号 |
CA19942122299 |
申请日期 |
1994.04.27 |
申请人 |
HONEYWELL INC. |
发明人 |
BOHAN, JOHN E.;PERSCHBACHER, VICKI L.;PETERSON, SCOTT M. |
分类号 |
F23N5/20 |
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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