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50 条记录 (耗时 0.023 秒)

    Internally mounted duty cycling control
    1.
    发明授权
    Internally mounted duty cycling control 失效
    内置式自行车循环控制

    公开(公告)号：US4712733A

    公开(公告)日：1987-12-15

    申请号：US842829

    申请日：1986-03-24

    申请人： Raymond K. Davis

    发明人： Raymond K. Davis

    IPC分类号： F23N5/04 ,  H01H37/04 ,  F23N5/20

    CPC分类号： F23N5/045 ,  H01H37/043 ,  F23N2025/12 ,  F23N2025/16 ,  F23N2027/10 ,  F23N2033/10 ,  Y10S236/12

    摘要： A heating system and air conditioning system incorporating a duty cycling control switch are disclosed. The duty cycling control switch for either the furnace or air conditioning system is mounted within the supply side duct of the system, i.e., the hot air duct for a furnace or cold air duct for an air conditioner. The duty cycling control is a bi-metal switch totally enclosed within a case having a metal base whereby the heat from the air in the duct contacts the metal base which is transferred to a bi-metallic element which in turn opens or closes a switch. This makes the switch particularly responsive to gradual changes in the temperature of the output air but prevents the duty cycling switch from responding to rapid fluctuations of air temperature within the duct.

    Apparatus for exhausting combustion gases from a gas water heater
    8.
    发明授权
    Apparatus for exhausting combustion gases from a gas water heater 失效
    用于从燃气热水器排出燃烧气体的装置

    公开(公告)号：US4856982A

    公开(公告)日：1989-08-15

    申请号：US166758

    申请日：1988-03-03

    申请人： Kenneth A. Olson

    发明人： Kenneth A. Olson

    IPC分类号： F23N1/10 ,  F23N5/02 ,  F23N5/04

    CPC分类号： F23N5/045 ,  F23N1/105 ,  F23N2025/04 ,  F23N2025/10 ,  F23N2033/02 ,  F23N2035/14 ,  F23N2039/04 ,  F23N2041/04 ,  F23N5/02

    摘要： The present invention includes an exhaust fan for exhausting combustion gases from a gas fired water heater, a gas pressure diaphragm switch for operating the exhaust fan in response to fuel flowing to the burner of the water heater, and a safety device for preventing fuel flow to the burner upon detecting undesirable changes in combustion gases. The apparatus further includes a time delay to continue operation of the exhaust fan and exhaust residual combustion gases for a short time after fuel flow to the burner has ceased. In one form the time delay is a time delay relay switch and in another form it is a flow restricting orifice that restricts the flow of fuel from the gas pressure diaphragm switch, thereby maintaining a closed circuit to the exhaust fan.

    摘要翻译： 本发明包括用于排出来自燃气热水器的燃烧气体的排气扇，用于响应于流向热水器的燃烧器的燃料而操作排气扇的气压隔膜开关，以及用于防止燃料流向 燃烧器在检测到燃烧气体的不期望的变化时。 该装置还包括在燃料流入燃烧器之后的短时间内停止排气风扇的继续操作和排出残余燃烧气体的时间延迟。 在一种形式中，时间延迟是时间延迟继电器开关，并且在另一种形式中，它是限制流量限制孔口，其限制来自气体压力膜片开关的燃料流动，从而保持与排气风扇的闭合回路。

    Ignition and control system for gas burners
    9.
    发明授权
    Ignition and control system for gas burners 失效
    燃气燃烧器点火与控制系统

    公开(公告)号：US3776684A

    公开(公告)日：1973-12-04

    申请号：US3776684D

    申请日：1972-05-10

    申请人： EMERSON ELECTRIC CO

    发明人： WRIGHT J

    IPC分类号： F23N5/04 ,  F23N5/20

    CPC分类号： F23N5/20 ,  F23N5/045 ,  F23N2027/42

    摘要： A ceramic glow igniter is connected in series with the hot-wire actuating element of a normally open thermal relay across a power source through a double-throw switch when in its cold position. This causes heating of the igniter to ignition temperatures, causes the hot wire element to expand and close the relay, and the heat of the igniter causes the double-throw switch to move to its hot position thus breaking the igniter and hot wire circuit. The electromagnetic winding of a normally closed solenoid gas valve is connected across the power source through the now-closed relay and the double-throw switch, now in its hot position, causing the gas valve to open. Due to thermal lag, the gas valve opens before the thermal relay opens and ignition of the gas occurs before the igniter cools. Burner flame maintains the double-throw switch in its hot position, and a current limiting resistor connected across the relay holds the solenoid gas valve open.

    摘要翻译： 当处于冷位置时，陶瓷发光点火器通过双掷开关跨过电源与常开热继电器的热线致动元件串联连接。 这导致点火器加热到点火温度，使热丝元件膨胀和关闭继电器，并且点火器的热量使双掷开关移动到其热位置，从而断开点火器和热线电路。 常闭电磁阀的电磁绕组通过现在闭合的继电器和双掷开关在电源两端连接，现在处于其热位置，导致气阀打开。 由于热滞后，气体阀在热继电器打开之前打开，并且在点火器冷却之前发生气体点火。 燃烧器火焰将双掷开关保持在其热位置，并且跨继电器连接的限流电阻器保持螺线管阀门打开。