Measuring and testing – Instrument casing
Patent
1991-03-14
1993-03-30
Woodiel, Donald O.
Measuring and testing
Instrument casing
73714, 73756, 137557, G01L 700
Patent
active
051973308
ABSTRACT:
A regulator for pneumatic system comprising a connecting bracket for connecting other air conditioning units to a regulator body. Because of this connecting bracket, the air conditioning units to be connected to each other can be modularized. The connecting bracket has, at its both ends, a pair of projection-like pawl sections which are engageable respectively with engaging sections formed respectively on outer peripheral surfaces of the other air conditioning units. Incorporated in the connecting bracket is a pressure gage for detecting secondary pneumatic pressure within the regulator body. The pressure gage comprises a pressure detecting section, a pressure display section, pressure setting section and an abnormality alarm section.
REFERENCES:
patent: 3981199 (1976-09-01), Moore et al.
patent: 4182367 (1980-01-01), Day
patent: 4387600 (1983-06-01), Kranz
patent: 4622857 (1986-11-01), Nelson
patent: 4838865 (1989-06-01), Flank et al.
Koganei Ltd.
Woodiel Donald O.
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