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1. 发明公开

EP0202939A2 Electric immersion heating elements and controls therefor 失效
标题翻译：潜水电加热元件和用于其的控制装置。
公开(公告)号：EP0202939A2
公开(公告)日：1986-11-26
申请号：EP86303892.3
申请日：1986-05-22
申请人： OTTER CONTROLS LIMITED
发明人： Foster, Terence James Collins , Fletcher, Keith
IPC分类号： H01H37/54 , H01H37/70 , H01H37/00 , H05B3/82
CPC分类号： H05B3/82 , A47J27/21108 , H01H37/002 , H01H37/54 , H01H37/5409
摘要： An element protector unit for an electrically heated water boiling vessel comprises primary and secondary bimetals responsive to the element head temperature and each arranged for actuating a respective one of primary and secondary switching contacts connected in the line and neutral sides of the element supply via respective push rods. The secondary bimetal and associated switch contacts provide back-up protection in the event of failure of the primary protection on account for example of welding of the primary switch contacts. The primary and secondary bimetals are partially overlapped in the element protector unit for correspondingly reducing the combined area they present to the element head, and the element head plate is provided with a double-dimple formation having a first portion adapted to nest with one of the two overlapped bimetals and a second portion adapted to next with the other bimetal. By virtue of the overlapping of the bimetals and their nesting with the double-dimple formation in the element head a compact arrangement can be achieved conforming to current trends towards a compact element and element head design.

2. 发明公开

EP0202939A3 Electric immersion heating elements and controls therefor 失效
标题翻译：电加热元件及其控制
公开(公告)号：EP0202939A3
公开(公告)日：1988-07-20
申请号：EP86303892
申请日：1986-05-22
申请人： OTTER CONTROLS LIMITED
发明人： Foster, Terence James Collins , Fletcher, Keith
IPC分类号： H01H37/54 , H01H37/70 , H01H37/00 , H05B03/82
CPC分类号： H05B3/82 , A47J27/21108 , H01H37/002 , H01H37/54 , H01H37/5409
摘要： An element protector unit for an electrically heated water boiling vessel comprises primary and secondary bimetals responsive to the element head temperature and each arranged for actuating a respective one of primary and secondary switching contacts connected in the line and neutral sides of the element supply via respective push rods. The secondary bimetal and associated switch contacts provide back-up protection in the event of failure of the primary protection on account for example of welding of the primary switch contacts. The primary and secondary bimetals are partially overlapped in the element protector unit for correspondingly reducing the combined area they present to the element head, and the element head plate is provided with a double-dimple formation having a first portion adapted to nest with one of the two overlapped bimetals and a second portion adapted to next with the other bimetal. By virtue of the overlapping of the bimetals and their nesting with the double-dimple formation in the element head a compact arrangement can be achieved conforming to current trends towards a compact element and element head design.

3. 发明授权

EP0318265B1 Improvements relating to thermally responsive electric switches 失效
标题翻译：温度emfindliche电气开关。
公开(公告)号：EP0318265B1
公开(公告)日：1994-02-09
申请号：EP88311081.9
申请日：1988-11-23
申请人： OTTER CONTROLS LIMITED
发明人： O'Neill, Robert Andrew , Fletcher, Keith , Foster, Terence James Collins , Florentine, Andrew Vincent
IPC分类号： H01H37/54 , A47J27/21
CPC分类号： H01H37/54 , H01H2003/466 , H01H2061/0122

4. 发明公开

EP0318265A3 Improvements relating to thermally responsive electric switches 失效
标题翻译：关于热电响应开关的改进
公开(公告)号：EP0318265A3
公开(公告)日：1989-10-18
申请号：EP88311081.9
申请日：1988-11-23
申请人： OTTER CONTROLS LIMITED
发明人： O'Neill, Robert Andrew , Fletcher, Keith , Foster, Terence James Collins , Florentine, Andrew Vincent
IPC分类号： H01H37/54 , A47J27/21
CPC分类号： H01H37/54 , H01H2003/466 , H01H2061/0122
摘要： A steam sensor for a water boiling vessel consists of a moulded plastics body portion defining spaced-apart pivotal support positions for an overcentre bridge consisting of a bimetal and a trip-lever pivotally journalled together at the centre of the bridge and each pivotally journalled at its other end in one of the support positions of the moulding. The trip-lever is arranged to perform snap-action movement in response to heating of the bimetal irrespective of the fact that a plain (non-prestressed and non-snap-acting) bimetal is used and can be coupled either directly to a switch sub-assembly in the steam sensor or indirectly via a Bowden cable or the like to a separate switch incorporated in a remote element protector unit. The switch sub-assembly in the steam sensor may be designed to be plugged directly into a socket formed in an element protector unit in which case the switch of the steam sensor is connected electrically in series with a switch in the element protector, and the same electrical arrangement can be obtained with the steam sensor and the element protector spaced apart from each other and interconnected by means of a lead having appropriate plug and socket terminations.

5. 发明公开

EP0318265A2 Improvements relating to thermally responsive electric switches 失效
标题翻译： Temperatur emfindliche elektrische Schalter。
公开(公告)号：EP0318265A2
公开(公告)日：1989-05-31
申请号：EP88311081.9
申请日：1988-11-23
申请人： OTTER CONTROLS LIMITED
发明人： O'Neill, Robert Andrew , Fletcher, Keith , Foster, Terence James Collins , Florentine, Andrew Vincent
IPC分类号： H01H37/54 , A47J27/21
CPC分类号： H01H37/54 , H01H2003/466 , H01H2061/0122
摘要： A steam sensor for a water boiling vessel consists of a moulded plastics body portion defining spaced-apart pivotal support positions for an overcentre bridge consisting of a bimetal and a trip-lever pivotally journalled together at the centre of the bridge and each pivotally journalled at its other end in one of the support positions of the moulding. The trip-lever is arranged to perform snap-action movement in response to heating of the bimetal irrespective of the fact that a plain (non-prestressed and non-snap-acting) bimetal is used and can be coupled either directly to a switch sub-assembly in the steam sensor or indirectly via a Bowden cable or the like to a separate switch incorporated in a remote element protector unit. The switch sub-assembly in the steam sensor may be designed to be plugged directly into a socket formed in an element protector unit in which case the switch of the steam sensor is connected electrically in series with a switch in the element protector, and the same electrical arrangement can be obtained with the steam sensor and the element protector spaced apart from each other and interconnected by means of a lead having appropriate plug and socket terminations.
摘要翻译：用于水沸腾容器的蒸汽传感器包括模制塑料主体部分，其限定用于跨中桥的枢轴支撑位置，所述枢转支撑位置由双金属构成，并且在桥的中心枢转地轴颈连接在一起的跳闸杆，并且每个枢轴支撑在其上另一端在成型件的一个支撑位置。跳闸杆被布置成响应于双金属片的加热而执行快动作动作，而不管使用平面（非预应力和非揿动）双金属片的事实，并且可以直接将其耦合到开关子 - 组装在蒸汽传感器中或通过鲍登缆线等间接连接到并入遥控元件保护器单元中的单独的开关。蒸汽传感器中的开关子组件可以设计成直接插入形成在元件保护器单元中的插座中，在这种情况下，蒸汽传感器的开关与元件保护器中的开关串联连接，并且相同可以通过蒸汽传感器和元件保护器彼此间隔开并通过具有适当的插头和插座端接的引线互连来获得电气布置。

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