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1. 发明授权

US4778538A Dual temperature sensing device having twin well thermowell for dual resistance temperature detectors 失效
标题翻译：双温度传感器具有双阱热电偶套管，用于双电阻温度检测器
公开(公告)号：US4778538A
公开(公告)日：1988-10-18
申请号：US073666
申请日：1987-07-15
申请人： Walter G. Lyman
发明人： Walter G. Lyman
IPC分类号： G01K1/08 , G01K13/02 , G21C17/02 , H01L35/02
CPC分类号： G01K13/02 , G01K1/08
摘要： A dual temperature sensing device has a twin well thermowell, for installation through a penetration in a pipe wall, and which has head, shank and tip portions. The shank portion has a first part of substantially the same outer dimensions as the penetration and the head portion is of greater outer dimensions so as to define an annular ledge which overlies the exterior surface of the pipe wall, for welding same thereto. The first part of the shank portion is of greater axial length than the pipe wall thickness and a second part thereof is tapered and elongated, for disposing the tip portion within the interior of the pipe. A pair of bores extend from the outer surface of the head portion at angularly inclined and converging relationship to closely spaced, but physically separated, positions in the tip portion. The head is counter-bored relative to the first bores, to define sockets for receiving the lower ends of pipe nipples, the upper ends of which are closed by pipe unions. Dual resistance temperature detectors are received through the respective pipe nipples with the elongated sensors extending through the respective bores to the tip portion of the thermowell, and are resiliently urged into position. Fittings, secured to the electrical cables of the detectors, are received in threaded engagement in the respective pipe unions and are removable for replacement of detectors. The detectors are both electrically and physically separated, and, produce identical, dual temperature indicating outputs.

2. 发明授权

US5396524A Flow measurement probe 失效
标题翻译：流量测量探头
公开(公告)号：US5396524A
公开(公告)日：1995-03-07
申请号：US182317
申请日：1994-01-14
申请人： Walter G. Lyman
发明人： Walter G. Lyman
IPC分类号： G01F1/46 , G01F1/34 , G01P5/16 , G01P5/165 , G21C17/032 , G21C17/00
CPC分类号： G21C17/032 , G21Y2002/304
摘要： A flow measurement probe measures reactor coolant water flow in a cold leg pipe of a nuclear reactor system wherein a lack of elbows precludes the use of elbow tap flow measurements. An elongated probe body disposed in the pipe includes a common dynamic pressure tap in the peripheral wall of the probe body facing about into the direction of coolant water flow. A plurality of static pressure taps are oriented about normal to the direction of coolant water flow. Each of the static pressure taps is operatively connected witch one input of a different differential pressure transmitter. The other input of each of the transmitters is operatively connected with the common dynamic pressure tap. The differential pressure measured by each transmitter is proportional to the square of the magnitude of reactor coolant water flow. The multiple taps in the probe allow multiple redundant flow measurements to be made with a single device, thus avoiding the need for multiple penetrations in the pipe.
摘要翻译：流量测量探头测量核反应堆系统的冷腿管中的反应堆冷却水流量，其中缺乏弯头排除了使用弯管抽头流量测量。设置在管中的细长的探针主体包括在探针主体的周壁中面向大致朝向冷却水流动方向的公共动压抽头。多个静压抽头大致垂直于冷却水流动的方向。每个静压分接头与不同差压变送器的一个输入端可操作地连接。每个发射器的另一个输入端与公共动压抽头可操作地连接。每个变送器测量的压差与反应堆冷却水流量的平方成正比。探头中的多个水龙头允许使用单个设备进行多个冗余流量测量，从而避免了管道中多次穿透的需要。

3. 发明授权

US5045272A Fluid temperature balancing system 失效
标题翻译：流体温度平衡系统
公开(公告)号：US5045272A
公开(公告)日：1991-09-03
申请号：US481038
申请日：1990-02-16
申请人： Walter G. Lyman , Michael D. Heibel
发明人： Walter G. Lyman , Michael D. Heibel
IPC分类号： G21D1/00 , F22B35/00 , F22D5/26 , F22D5/36 , G21D3/00 , G21D3/08 , G21D3/10
CPC分类号： G21D3/10 , F22B35/004 , Y02E30/40
摘要： A steam generating system including a heat energy source, a feedwater heating section including at least one heat exchange unit (2) having a feedwater inlet, a device (10) for supplying feedwater to the feedwater inlet of the heat exchange unit (2), and a steam generating section composed of at least two steam generating heat exchange units (4) each having a feedwater inlet connected for receiving heated feedwater from the feedwater heating section and each connected to the heat energy source for transferring heat from the energy source to the feedwater. The system further includes: a bypass conduit (12,14) connected between the feedwater inlet of the feedwater heating section heat exchange unit (2) and the feedwater inlet of each the steam generating heat exchange unit (4); and a flow control device (18) connected in the bypass conduit (12,14) between the inlet of the feedwater heating section and each of the steam generating heat exchange units (4) for individually controlling the rate of flow of feedwater via the bypass conduit (12,14) to the feedwater inlet of each steam generating heat exchanger unit (4).
摘要翻译：一种包括热能源的蒸汽发生系统，包括具有给水入口的至少一个热交换单元（2）的给水加热部分，用于向所述热交换单元（2）的给水入口供给给水的装置（10）以及由至少两个蒸汽产生热交换单元（4）组成的蒸汽发生部分，每个蒸汽产生热交换单元（4）均具有连接用于接收来自给水加热部分的加热给水的给水入口，每个连接到热能源，用于将热量从能量源传递到给水。该系统还包括：连接在给水加热部分热交换单元（2）的给水入口与每个蒸汽发生热交换单元（4）的给水入口之间的旁通管道（12,14）。以及连接在供水加热部分的入口与每个蒸汽发生热交换单元（4）之间的旁通管道（12,14）中的流量控制装置（18），用于单独控制通过旁路的给水流量每个蒸汽发生热交换器单元（4）的给水入口的导管（12,14）。

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