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Class 374/195 - With detail of motion transmitting mechanism


Subclass of Class 374 - Thermal measuring and testing
Definition: Subject matter having significant detail of a mechanism
No. of patents: 11
Last issue date: 01/29/2008


NumberTitleIssue Date
7322744Temperature measurement device
A temperature measuring device includes a temperature-responsive element that mechanically moves a first inductive assembly component relative to a second inductive assembly component in response to temperature changes. The movement of the first inductive assembly c...
01/29/2008
7220051Shape memory alloy temperature sensor and switch
A switch, such as an electromechanical or optical switch, whose state is responsive to temperature history, for example temperature excursions above or below a critical temperature. An element of the sensor made from shape memory alloy changes shape when exposed, ev...
05/22/2007
7080942Bimetal thermometer
The bimetal thermometer according to the invention comprises a bimetal helix arranged inside a protective tube, one end thereof being attached to the protective tube and the other end thereof being connected to a pointer shaft to which a pointer arranged inside a ca...
07/25/2006
7066644Apparel indicating thermometer
The apparel indicating thermometer has a housing, a circular dial board disposed within the housing, a pointer situated on the face of the dial board, and a thermometer movement attached to a back surface of the housing. The thermometer movement has an arbor which r...
06/27/2006
6986602Temperature measurement device
A temperature measuring device includes a temperature-responsive element that mechanically moves a first inductive assembly component relative to a second inductive assembly component in response to temperature changes. The movement of the first inductive assembly c...
01/17/2006
6837620Shape memory alloy temperature sensor
A sensor provides a persistent indication that it has been exposed to temperatures below a certain critical temperature for a predetermined time period. An element of the sensor made from shape memory alloy changes shape when exposed, even temporarily, to temperatur...
01/04/2005
4950085Multi-positional thermometer
A temperature sensing device having a gauge and a stem assemblies and utilizing a flexible coupling to transmit rotation through predetermined angles from a helical temperature sensitive element, to an indicator, further utilizing means to rotate the gaug...
08/21/1990
4575258Steam trap failure detector
Detector apparatus adaptably mountable about the external surface of steam pipes and condensate pipes, and wherein the apparatus includes a curved temperature sensitive bi-metallic element fixedly mounted at one end and with the opposed end being free to ...
03/11/1986
4375152Reciprocating thermal actuator with hydraulic multiplier
A reciprocating thermal actuator with hydraulic multiplier has a thermally expansible fluid (expansible by heating or in an alternative embodiment by cooling) and heat exchange means including powered means for causing the thermally expansible fluid to cy...
03/01/1983
4292845Connection assembly for rigid stem dial gauge
A rigid stem dial gauge, such as a thermometer has an assembly which connects the thermometer stem to the pointer shaft and permits the two parts to be disposed at a range of angles to each other. The assembly comprises a pair of cylindrical housings, one...
10/06/1981
4281985Automatic thermocouple positioner for use in vacuum furnaces
The invention is a simple and reliable mechanical arrangement for automatically positioning a thermocouple-carrying rod in a vacuum-furnace assembly of the kind including a casing, a furnace mounted in the casing, and a charge-containing crucible mounted ...
08/04/1981
 
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