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    [发明专利]JP19780007237U _ 1978年01月26日
  • [发明专利]GB19780022455 _ ITT INDUSTRIES INC 1978年05月25日
  • [发明专利]US19780879877 _ BRANDT, CARY 1978年02月22日
    An oil burner for heating installations is provided, having a burner housing comprising a perforated evaporating tube which is equipped with a circular series of blades to impart a twisting motion to the air and a cone-shaped guiding piece to impart a...
  • [发明专利]US19780890266 _ GAINES, RAY N 1978年03月27日
    The device is a metal coil, formed of high conductive material, and designed to fit on the pilot light thermocouple of gas fired appliances. Its purpose is to extend the sensitivity of the thermocouple, thus precluding erroneous gas shut off when air ...
  • [发明专利]US19780897209 _ SELAS CORP OF AMERICA 1978年04月17日
    A pilot assembly for a furnace burner includes a housing having a first port capable of mating with a flame detector which can monitor the pilot or main flame of the furnace burner. The housing further includes an air-fuel mixture inlet port coaxially...
  • [发明专利]US19780932827 _ HONEYWELL INC 1978年08月11日
    A safety gas valve for gas burners for providing a "super safe" operation wherein upon the main valve being turned to an off position and the safety valve is held in an operative position by the residual heat of the thermocouple, means is provided for...
  • [发明专利]US19780940369 _ HITACHI LTD 1978年09月07日
    A check circuit for checking operation of timers of a digital type combustion process control apparatus comprises flip-flops each having a preset terminal. The preset state of the flip-flops is inverted by an operation starting signal. The inversion i...
  • [发明专利]US19780896699 _ JOHNSON CONTROLS INC 1978年04月17日
    A control arrangement for a pilot ignition type fuel ignition system includes a first switch device which effects energization of a pilot valve at the start of an operating cycle to supply fuel to a pilot outlet for ignition to provide a pilot flame. ...
  • [发明专利]US19780908582 _ COMBUSTION UNLIMITED INCORPORATED 1978年05月22日
    Pilots for waste gas flare stacks are disclosed suitable for use with stacks having natural draft or forced draft in which the pilot burner head to which a combustible gas-air mixture is supplied is at the upper end of a tube carried by the stack for ...
  • [发明专利]US19780914662 _ SCHAFFER, LYLE E 1978年06月12日
    This combination comprises a pyrophoric lighter having cover means for the lighter mechanism and a tamper device housed entirely within the cover means when the latter is in the closed position. Both the lighter mechanism and tamper device are conveni...
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