Two-in-one temperature and pressure gauge

Details Two-in-one temperature and pressure gauge Two-in-one temperature and pressure gauge

2007-12-31

2008-12-30

Allen, Andre J (Department: 2855)

Measuring and testing

Fluid pressure gauge

Bourdon

C073S700000, C374S143000

Reexamination Certificate

active

07469591

ABSTRACT:
A two-in-one temperature and pressure gauge is constituted primarily by a shell, a housing, a score panel, a needle set, a temperature sensing mechanism, and a pressure sensing mechanism. The needle set includes two needles which are coaxially installed, with one needle being connected with the temperature sensing mechanism, and the other needle being connected with the pressure sensing mechanism. The invention can be both used as the temperature gauge and the pressure gauge at a same time, a space for installing gauge sets can be decreased, and manufacturing cost can be reduced.

REFERENCES:
patent: 3209595 (1965-10-01), Harland
patent: 3354716 (1967-11-01), Wiebe et al.
patent: 4682501 (1987-07-01), Walker
patent: 5895861 (1999-04-01), Slonaker
patent: 20006580 (2000-07-01), None

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