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    • 1. 发明授权
    • Primary gas furnace control
    • 主燃气炉控制
    • US5158447A
    • 1992-10-27
    • US470064
    • 1990-01-25
    • Frederick J. Geary
    • Frederick J. Geary
    • F23N5/20F23Q3/00F23Q9/14
    • F23N5/203F23Q3/004F23Q9/14
    • A primary gas furnace control including a thermostatically controlled intermittent ignition system, the control being effective to monitor and control main gas valve action through use of flame rectification. The control features a slight delay on main valve dropout with flame failure and an extension of the ignition source into the main burner cycle to prevent nuisance recycling. If desired, the control may also include timed pilot valve, thermostat resettable, lockout as well as prepurge capability for use in applications requiring a furnace combustion chamber purge prior to an ignition cycle.
    • 包括恒温控制间歇点火系统的主燃气炉控制,该控制通过使用火焰整流有效地监测和控制主气阀动作。 控制功能在主要阀门脱落时出现轻微延迟,具有火焰故障,并将点火源延伸到主燃烧器周期,以防止再次利用。 如果需要,控制器还可以包括定时先导阀,恒温器可复位,锁定以及在点火循环之前需要炉燃烧室清洗的应用中的预吹扫能力。
    • 3. 发明授权
    • Primary gas furnace control
    • 主燃气炉控制
    • US4915614A
    • 1990-04-10
    • US331617
    • 1989-03-30
    • Frederick J. Geary
    • Frederick J. Geary
    • F23N5/20F23Q3/00F23Q9/14
    • F23Q3/004F23N5/203F23Q9/14
    • A primary gas furnace control including a thermostatically controlled intermittent ignition system, the control being effective to monitor and control main gas valve action through use of flame rectification. The control features a slight delay on main valve dropout with flame failure and an extension of the ignition source into the main burner cycle to prevent nuisance recycling. If desired, the control may also include time pilot valve, thermostat resettable, lockout as well as prepurge capability for use in applications requiring a furnace combustion chamber purge prior to an ignition cycle.
    • 包括恒温控制间歇点火系统的主燃气炉控制,该控制通过使用火焰整流有效地监测和控制主气阀动作。 控制功能在主要阀门脱落时出现轻微延迟,具有火焰故障,并将点火源延伸到主燃烧器周期,以防止再次利用。 如果需要,控制器还可以包括时间先导阀,恒温器可复位,锁定以及在点火循环之前需要炉燃烧室清洗的应用中的预烧能力。
    • 4. 发明授权
    • Hot surface ignition system for a gas furnace and method of making the
same
    • 用于燃气炉的热表面点火系统及其制造方法
    • US4755132A
    • 1988-07-05
    • US69980
    • 1987-07-06
    • Frederick J. Geary
    • Frederick J. Geary
    • F23Q7/12F24C3/10F23N5/20
    • F24C3/103F23Q7/12
    • A hot surface ignition system for a gas furnace and method of making the same are provided, the system comprising a high voltage circuit for being connected to a source of high voltage AC current, the high voltage circuit having a hot surface igniter therein and disposed in the path of gas issuing from a burner that is adapted to be fed gas from a source thereof through an electrically operated gas valve, a low voltage circuit for being connected to a source of low voltage AC current, the low voltage circuit having the gas valve therein and having a thermostatic switch therein controlling the energization of the low voltage circuit with the low voltage AC current, a first relay unit having contacts in the high voltage circuit and controlling the energizaiton of the igniter with the high voltage AC current, and another relay unit having contacts in the low voltage circuit and controlling the energization of the gas valve, the other relay unit comprising two separate relays respectively having contacts that are disposed in series in the low voltage circuit whereby the contacts of the two relays must be in the same condition thereof to energize the gas valve.
    • 提供了一种用于燃气炉的热表面点火系统及其制造方法,所述系统包括用于连接到高压AC电流源的高压电路,所述高压电路在其中具有热表面点火器并且设置在 从燃烧器排出的气体的路径,该燃烧器适于通过电动气阀从其来源供给气体,低压电路连接到低压交流电源,所述低压电路具有气阀 其中具有恒温开关,用低压AC电流控制低压电路的通电,第一中继单元具有高压电路中的触点并利用高压AC电流控制点火器的激励,另一个继电器 单元具有在低压电路中的触点并且控制燃气阀的通电,另一个继电器单元分别包括两个分离的继电器 具有串联设置在低电压电路中的触点,由此两个继电器的触点必须处于相同的状态以对气阀通电。
    • 8. 发明授权
    • Fuel control unit for a gas furnace and method of making the same
    • 用于燃气炉的燃料控制单元及其制造方法
    • US4971549A
    • 1990-11-20
    • US380893
    • 1989-07-14
    • Frederick J. Geary
    • Frederick J. Geary
    • F23N5/12
    • F23N5/123F23N2027/30F23N2029/00F23N2035/14
    • A control unit for a gas furnace that has an electrically operable pilot gas valve and an electrically operable main gas valve and a method of making the control unit are provided, the control unit comprising an electrical circuit having a gas valve section that comprises a silicon controlled rectifier and a first capacitor and a second capacitor so electrically interconnected together that the capacitors are adapted to be charged on each half wave cycle of a certain polarity of an alternative current source that is imposed on the circuit and that second capacitor is adapted to discharge through a relay coil that controls the gas valve to energize that relay coil only when the silicon controlled rectifier conducts, the silicon controlled rectifier being adapted to conduct only when the first capacitor is discharged, another section of the electrical circuit being adapted to discharge the first capacitor only on each half wave cycle of the other polarity of the alternative current source.
    • 提供了一种具有电气操作的先导气体阀和电气可操作的主气体阀的气体炉的控制单元以及制造该控制单元的方法,所述控制单元包括具有气阀部分的电路,所述气路部分包括硅控制 整流器和第一电容器和第二电容器电气互连在一起,使得电容器适于在施加在电路上的替代电流源的特定极性的每个半波周期上充电,并且第二电容器适于通过 继电器线圈,仅在所述可控硅整流器导通时控制所述燃气阀对所述继电器线圈通电,所述可控硅整流器仅在所述第一电容器放电时适于导通,所述电路的另一部分适于对所述第一电容器 仅在每个半波周期的另一极性的替代电流源 e。
    • 9. 发明授权
    • Fuel control unit for a gas furnace and method of making the same
    • 用于燃气炉的燃料控制单元及其制造方法
    • US4865539A
    • 1989-09-12
    • US235374
    • 1988-08-23
    • Frederick J. Geary
    • Frederick J. Geary
    • F23N5/12
    • F23N5/123F23N2027/30F23N2029/00F23N2035/14
    • A control unit for a gas furnace that has an electrically operable pilot gas valve and an electrically operable main gas valve and a method of making the control unit are provided, the control unit comprising an electrical circuit having a gas valve section that comprises a silicon controlled rectifier and a first capacitor and a second capacitor so electrically interconnected together that the capacitors are adapted to be charged on each half wave cycle of a certain polarity of an alternative current source that is imposed on the circuit and that the second capacitor is adapted to discharge through a relay coil that controls the gas valve to energize that relay coil only when the silicon controlled rectifier conducts, the silicon controlled rectifier being adapted to conduct only when the first capacitor is discharged, another section of the electrical circuit being adapted to discharge the first capacitor only on each half wave cycle of the other polarity of the alternative current source.
    • 提供了一种具有电气操作的先导气体阀和电气可操作的主气体阀的气体炉的控制单元以及制造该控制单元的方法,所述控制单元包括具有气阀部分的电路,所述气路部分包括硅控制 整流器以及第一电容器和第二电容器,其电气互连在一起,使得电容器适于在施加在电路上的替代电流源的特定极性的每个半波周期上充电,并且第二电容器适于放电 通过继电器线圈,仅在可控硅整流器导通时控制燃气阀对继电器线圈通电,可控硅整流器仅在第一电容器放电时才适于导通,电路的另一部分适于将第一 电容器仅在替代电流s的另一极性的每个半波周期上 我们