Thermal measuring and testing – Temperature measurement – Combined with diverse art device
Patent
1998-08-17
2000-10-03
Gutierrez, Diego
Thermal measuring and testing
Temperature measurement
Combined with diverse art device
374162, 738663, G01K 106, G01K 114
Patent
active
061263133
ABSTRACT:
A dual display temperature/pressure gauge (10) for a container (8) of compressed liquefied gas includes a planar strip of material having a display side (12) which is visible when the strip is placed in contact with a container (8) of compressed liquefied gas; a temperature display region (14) on the display side (12) which includes a first set of numerals representing a range of measured temperature readings; a pressure display region (16) on the display side (12) which includes a second set of numerals representing a range of internal vapor pressure readings calculated to correspond to the the temperature numerals; and thermochromic liquid crystal means for displaying the appropriate numerals corresponding to the measured temperature and calculated internal vapor pressure within the container. The gauge is useful for many gases, such as nitrous oxide.
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patent: 5738442 (1998-04-01), Paron et al.
"Microencapsulated Liquid Crystal `Silkscreen` for Component-Failure Detection," IBM Technical Disclosure Bulletin, vol. 32, No. 7, Dec. 1989, pp. 312-314.
Sears and Salinger, Thermodynamics, Kinetic Theory, and Statistical Thermodynamics (Addison-Wesley Publ. Co.) 1975, pp. 24-40.
Gutierrez Diego
Kroll Michael I.
Pruchnic Jr. Stanley J.
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