Sheathed Element Glow Plug Having an Integrated Pressure Measuring Element
a technology of pressure measuring element and glow plug, which is applied in the direction of lighting and heating apparatus, instruments, machines/engines, etc., can solve the problems of increasing assembly effort, affecting the accuracy of the output, so as to reduce production costs, avoid delivery bottlenecks, and improve the effect of accuracy
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[0026]FIG. 1 shows a specific embodiment of a sheathed element glow plug 110 according to the present invention. Sheathed element glow plug 110 has a first module 112 (glow plug module) and a pressure measuring module 114. Both modules are separated along an interface by a separating wall 116, which may be a component of pressure measuring module 114 or also of glow plug module 112. Two separating walls 116 are also possible, one separating wall being a component of glow plug module 112 and one separating wall being a component of pressure measuring module 114. Pressure measuring module 114 and glow plug module112 may be connected by welding, for example. A threaded connection using an appropriate union nut is also conceivable.
[0027]Glow plug module 112 has a housing 118 having an essentially cylindrical interior space 120. At one end of housing 118 facing away from pressure measuring module 114 and facing a combustion chamber of the internal combustion engine, housing 118 has a sea...
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