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公开(公告)号:US3572365A
公开(公告)日:1971-03-23
申请号:US3572365D
申请日:1969-05-19
申请人: CHANDLER EVANS INC
发明人: WHITE ALBERT H
CPC分类号: F02C7/22 , Y10T137/2579 , Y10T137/2597
摘要: A MAIN METERING VALVE FOR A FUEL SYSTEM HAVING A SPOOL INCLUDING FIRST AND SECOND SPACED LANDS SLIDEABLY MOUNTED IN A HOUSING. A BORE, CONTAINING A RESTRICTION, PASSES THROUGH THE SPOOL AND THE LANDS TO COMMUNICATE FUEL, OF A REGULATED PRESSURE, ADJACENT THE OUTBOARD FACE OF THE FIRST LAND, TO THE OUTBOARD FACE OF THE SECOND LAND. THE PRESSURE OF THE COMMUNICATED FUEL ADJACENT THE OUTBOARD FACE OF THE SECOND LAND IS CONTROLLED BY A TORQUE MOTOR. AN INLET PORT, LOCATED INTERMEDIATE THE LANDS, ADMITS FUEL FROM A SEGMENT OF A MAIN FUEL SUPPLY LINE WHICH FLOWS OUTWARDLY FROM AN OUTLET PORT ADAPTED TO BE PARTIALLY COVERED BY THE FIRST LAND. A FEEDBACK POTENTIOMETER SENDS A SIGNAL WHICH IS COMPARED WITH AN INPUT COMMAND SIGNAL FOR GENERATING AN ERROR SIGNAL TO THE TORQUE MOTOR. A CONSTANT DIFFERENTIAL PRESSURE IS MAINTAINED BETWEEN THE INLET AND OUTLET PORTS SO THAT FUEL FLOW IS A FUNCTION OF SPOOL POSITION.
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公开(公告)号:US3672163A
公开(公告)日:1972-06-27
申请号:US3672163D
申请日:1970-01-02
申请人: CHANDLER EVANS INC
发明人: WHITE ALBERT H
CPC分类号: F02C7/26 , F05D2220/50
摘要: A fuel control of the 3D cam type for a gas turbine engine has a proportional governor and an integral governor interconnected by a linkage which acts as a highest wins device between an acceleration schedule and the governors. The linkage also compares the actual engine speed with the desired set engine speed to position a pilot valve which controls the position of a fuel metering valve. An axially movable 3D cam has the acceleration schedule contoured on its surface and is adapted to be contacted by a follower which is functionally connected to the pilot valve. Another contour on the cam is engaged by a follower which controls the position of a compressor interstage bleed valve. A compressor air inlet temperature sensor rotatably positions the 3D cam in accordance with the magnitude of the sensed air temperature. The metering valve moves towards its full open position as the acceleration schedule on the advancing 3D cam closes the pilot valve. The proportional governor becomes effectual as the set speed is attained and the integral governor resets the proportional governor for isochronous governing at the preselected isochronous speed.
摘要翻译: 用于燃气涡轮发动机的3D凸轮类型的燃料控制具有比例调速器和通过联动装置互连的整体调速器,该联动装置作为加速调度器和调速器之间的最高胜利装置。 该连杆机构还将实际的发动机转速与期望的发动机转速进行比较,以定位控制燃料计量阀位置的先导阀。 可轴向移动的3D凸轮具有在其表面上轮廓的加速计划,并且适于与功能性地连接到先导阀的随动件接触。 凸轮上的另一个轮廓由控制压缩机级间排气阀位置的随动件接合。 压缩机空气入口温度传感器根据感测到的空气温度的大小可旋转地定位3D凸轮。 当前进的3D凸轮上的加速计划关闭先导阀时,计量阀将朝向其完全打开位置移动。 当达到设定速度时,比例调速器变为有效,并且整流调速器以预选的等时速度复位比例调速器进行同步调速。
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公开(公告)号:US3593736A
公开(公告)日:1971-07-20
申请号:US3593736D
申请日:1969-05-19
申请人: CHANDLER EVANS INC
发明人: WHITE ALBERT H
CPC分类号: F02C7/26 , Y02T50/671 , Y10T137/2562
摘要: A slug pump and pressurizing valve are fluidly interconnected in a starting circuit of a fuel control system for a gas turbine engine. The pressurizing valve fluidly interconnects two segments of the main fuel supply line for providing a regulated pressure in one of the segments. The slug pump is used in the starting operation to expel a volume of fuel contained within the pump and thus momentarily propel a burst of fuel to the engine. The slug pump includes a chamber and either a piston or a diaphragm to expel the fuel. The pressurizing valve has tow springs which bias a piston, the face of which is exposed to the segment of the main fuel supply line in which the fuel pressure is to be regulated. One spring always biases the piston, while the other spring biases the piston only after the piston moves to a predetermined position. When a predetermined pressure is applied to the exposed face of the piston by the main fuel pump, the piston moves upwardly to close off the starting circuit. After a sufficient pressure is applied to the exposed face, the other spring causes the pressure adjacent the exposed face to be regulated.
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公开(公告)号:US3915188A
公开(公告)日:1975-10-28
申请号:US51364274
申请日:1974-10-10
申请人: CHANDLER EVANS INC
发明人: BURNELL DENNIS G A , WHITE ALBERT H
CPC分类号: G05D7/00 , Y10T137/2665 , Y10T137/7791
摘要: A fuel supply system for a gas turbine engine includes a fuel control for delivering a metered flow of fuel and a fuel distribution valve for receiving the metered flow and apportioning the metered flow among the various nozzles of the burner system. The fuel distribution valve has a first sliding plate valve for controlling flow to the primary burner and a second sliding plate valve for controlling flow to the secondary burners. A differential pressure sensor, which is subjected to the outlet pressure of the fuel control, and the pressure in the primary burner is adapted to rotate both the first and second plate valves in unison as the sensed differential pressure increases so as to provide increasing orifice areas which yield a lower pressure drop for an increased flow rate than would a fixed orifice. A staging valve is incorporated in the distribution valve to maintain the second plate valve in a closed position during engine starting.
摘要翻译: 用于燃气涡轮发动机的燃料供应系统包括用于输送计量燃料流的燃料控制器和用于接收计量流量并在燃烧器系统的各种喷嘴之间分配计量流量的燃料分配阀。 燃料分配阀具有用于控制流向主燃烧器的第一滑板阀和用于控制到二次燃烧器的流量的第二滑板阀。 经受燃料控制的出口压力的差压传感器和主燃烧器中的压力适于随着感测到的压差增加而同时旋转第一和第二板阀,以便提供增加的孔面积 其比与固定孔口相比增加的流速产生较低的压降。 在发动机启动期间,分配阀并入分配阀中以将第二板阀保持在关闭位置。
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公开(公告)号:US3686860A
公开(公告)日:1972-08-29
申请号:US3686860D
申请日:1970-09-25
申请人: CHANDLER EVANS INC
发明人: WHITE ALBERT H
CPC分类号: F02C9/54
摘要: An inlet nozzle control for a regenerative gas turbine engine wherein a fuel metering valve and power turbine inlet nozzles are positioned in response to control signals provided by a closed loop system. Engine operating parameters, including gas generator turbine inlet temperature, are sensed and electrical signals commensurate therewith are delivered as inputs to logic circuitry where, in combination with selected operational mode inputs provided by the operator, they are operated upon to provide control signals for the power turbine nozzle actuators.
摘要翻译: 一种用于再生燃气涡轮发动机的入口喷嘴控制器,其中响应于由闭环系统提供的控制信号而定位燃料计量阀和动力涡轮机入口喷嘴。 发动机操作参数(包括气体发生器涡轮机入口温度)被感测,并且与之相称的电信号作为输入传送到逻辑电路,其中结合操作者提供的所选择的操作模式输入,它们被操作以提供功率的控制信号 涡轮喷嘴执行器。
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公开(公告)号:US3613708A
公开(公告)日:1971-10-19
申请号:US3613708D
申请日:1969-11-07
申请人: CHANDLER EVANS INC
发明人: KAMPE ROBERT F , WHITE ALBERT H
CPC分类号: F15C1/04 , Y10T137/2202 , Y10T137/2322
摘要: A fluid amplifier is provided with pressure surfaces which are movable in response to the pressure differential between two opposed chambers. A power stream impinges on a splitter element which separates two channels which respectively communicate with the chambers, so that a control stream may direct the power stream into either channel and create a pressure differential between the chambers. When the pressure surfaces move, the splitter element again impinges on the power stream annulling the initial pressure differential. Either the splitting element or the orifice of the power stream is connected to the pressure surfaces so as to be movable therewith to change the relative location of the splitter element and orifice. The amplifier may be employed as either a position or force to pressure transducer or a pressure to position or force transducer. A fluidic closedloop pneumatic actuation system incorporates the amplifier to position a servovalve controlled actuator.
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公开(公告)号:US3686859A
公开(公告)日:1972-08-29
申请号:US3686859D
申请日:1970-09-25
申请人: CHANDLER EVANS INC
发明人: WHITE ALBERT H
CPC分类号: F02C7/26
摘要: A starting circuit for a regenerative gas turbine engine wherein a fuel metering valve and power turbine inlet nozzles are positioned in response to control signals provided by a closed loop system. Engine operating parameters, including gas generator turbine inlet temperature, are sensed and electrical signals commensurate therewith are delivered as inputs to the logic circuitry where, in combination with selected operational mode inputs provided by the operator, they are operated upon to provide control signals for the power turbine nozzle actuators and the gas generator fuel control metering valve.
摘要翻译: 一种用于再生燃气涡轮发动机的启动电路,其中响应于由闭环系统提供的控制信号而定位燃料计量阀和动力涡轮机入口喷嘴。 发动机操作参数(包括气体发生器涡轮机入口温度)被感测,并且与之相称的电信号作为输入传送到逻辑电路,其中结合操作者提供的所选择的操作模式输入,它们被操作以提供控制信号 动力涡轮喷嘴执行器和气体发生器燃料控制计量阀。
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公开(公告)号:US3606754A
公开(公告)日:1971-09-21
申请号:US3606754D
申请日:1969-05-19
申请人: CHANDLER EVANS INC
发明人: WHITE ALBERT H
摘要: AN ELECTRONIC-HYDROMECHANICAL CONTROL FOR A REGENERATIVE GAS TURBINE ENGINE WHEREIN A FUEL METERING VALVE AND POWER TURBINE INLET NOZZLES ARE POSITIONED IN RESPONSE TO CONTROL SIGNALS PROVIDED BY A CLOSED LOOP SYSTEM WHEREIN GAS GENERATOR TURBINE INLET TEMPERATURE IS THE PRINCIPAL CONTROL PARAMETER. ENGINE OPERATING PARAMETERS, INCLUDING GAS GENERATOR TURBINE INLET TEMPERATURE, ARE SENSED AND ELECTRICAL SIGNALS COMMENSURATE THEREWITH ARE DELIVERED AS INPUTS TO LOGIC CIRCUITRY WHERE, IN COMBINATION WITH SELECTED OPERATIONAL MODE INPUTS PROVIDED BY THE OPERATOR, THEY ARE OPERATED UPON TO PROVIDE CONTROL SIGNALS FOR THE POWER TURBINE NOZZLE ACTUATORS AND THE GAS GENERATOR FUEL CONTROL METERING VALVE.
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