Floating restriction standards system

Details Floating restriction standards system Floating restriction standards system

1980-08-21

1986-03-11

Levy, Stewart J.

Measuring and testing

With fluid pressure

Dimension, shape, or size

G01B 1310

Patent

active

045746176

ABSTRACT:
A pneumatic gaging system for determining the size of test restrictions is disclosed including a maximum restriction standard connected through an indicator to a source of pneumatic pressure, a minimum restriction standard connected through the indicator to the source of pneumatic pressure, a test restriction terminal for connecting the test restriction under test to the source of pneumatic pressure through the indicator and a valving system for alternately connecting the maximum restriction standard, the minimum restriction standard and the test restriction to the indicator for indicating the flow rates through the maximum and minimum restriction standards and the test restriction.

REFERENCES:
patent: 2858693 (1958-11-01), Entwistle
patent: 2862178 (1958-11-01), Moore
patent: 2995921 (1961-08-01), Emmons, III
patent: 3349605 (1967-10-01), Minix
patent: 3443417 (1969-05-01), Meyer, Jr.
patent: 3665753 (1972-05-01), Walker
patent: 3670560 (1972-06-01), Dega
patent: 4088009 (1978-05-01), Fukuda
patent: 4125011 (1978-11-01), Porter
patent: 4187715 (1980-02-01), Nevitt

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