초록 ▼

A temperature indicator for indicating when a specified temperature has been exceeded in a fluid flow through a conduit. Such conduit having an aperture and the temperature indicator being mountable in such aperture and engagable therewith such that the temperature indicator projects through such ap

A temperature indicator for indicating when a specified temperature has been exceeded in a fluid flow through a conduit. Such conduit having an aperture and the temperature indicator being mountable in such aperture and engagable therewith such that the temperature indicator projects through such aperture and into such fluid flow in such conduit. The temperature indicator includes a housing which substantially encloses an internal chamber and has a bore extending from the internal chamber to an external surface of the housing. An indicator member is disposed, at least in part, within the internal chamber and extends into the bore. A biasing element is disposed within the internal chamber and exerts a biasing force between the housing and the indicator member and urges the indicator member toward the bore. A bonding agent forms a bond between the indicator member and the housing to thereby restrain the indicator member from movement toward the bore under action of the biasing element. The bonding agent is thermosensitive to substantially release the bond between the indicator member and the housing when a temperature of the bonding agent substantially reaches the specified temperature.

대표청구항 ▼

[ What is claimed is:] [1.]1. A temperature indicator for indicating when a specified temperature has been exceeded in a fluid flow through a conduit, such conduit having an aperture, such aperture including a rigid engagable portion, and said temperature indicator being rigidly mountable in such ap

[ What is claimed is:] [1.]1. A temperature indicator for indicating when a specified temperature has been exceeded in a fluid flow through a conduit, such conduit having an aperture, such aperture including a rigid engagable portion, and said temperature indicator being rigidly mountable in such aperture and engagable with such rigid engagable portion of such aperture such that said temperature indicator projects through such aperture and into such fluid flow in such conduit, said temperature indicator comprising:a housing;said housing substantially enclosing an internal chamber;said housing having a bore extending from said internal chamber to an external surface of said housing;an indicator member disposed, at least in part, within said internal chamber;said indicator member extending from said internal chamber and into said bore;a biasing element disposed within said internal chamber and exerting a biasing force between said housing and said indicator member and urging said indicator member toward said bore;a bonding agent forming a bond between said indicator member and said housing to thereby restrain said indicator member from movement toward said bore under action of said biasing element; andan engaging portion capable of rigidly engaging such rigid engagable portion of such aperture such that said temperature indicator projects through such aperture and into such fluid flow when said engaging portion of said temperature indicator is rigidly engaged with such rigid engagable portion of such conduit;said bonding agent being thermosensitive to substantially release said bond between said indicator member and said housing when a temperature of said bonding agent substantially reaches said specified temperature; andsaid bonding agent being disposed on said temperature indicator such that said bonding agent is placed in substantially direct contact with such fluid flow in such conduit when said engaging portion of said temperature indicator is rigidly engaged with such rigidly engagable portion of such aperture such that said temperature indicator projects through such aperture and into such fluid flow in such conduit.