Apparatus and method for determining the flow characteristics of

Details Apparatus and method for determining the flow characteristics of Apparatus and method for determining the flow characteristics of

1989-05-03

1992-05-12

Raevis, Robert

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01F 2500

Patent

active

051116820

ABSTRACT:
A mechanical displacement flowmeter calibrator has a first fluid line external of the measuring cylinder of the calibrator connected between the inlet and outlet thereof. A flowmeter that produces flow-representative passes is connected in the fluid line. A rod is connected to a measuring piston adapted to travel through the measuring cylinder as a fluid barrier. The rod draws the measuring piston through the measuring cylinder at a predetermined, constant speed and thereby determines the flow rate of the calibration. A reservoir means, connected to the measuring cylinder, is provided which maintains the pressure within the measuring cylinder at a substantially constant value. The displacement of the measuring piston is sensed as it travels through the measuring cylinder during a test run, while the pulses produced by the flowmeter are counted during the time interval in which the piston displaces a given volume. The flowmeter is preferably connected in the fluid line at the pressure null point. The measuring cylinder is preferably provided with a larger second external fluid line connected between the ends of the measuring cylinder. The second external fluid line is provided with a check valve which permits the flow of fluid through the second fluid line when the measuring piston is returned to its starting point at the completion of a test run.

REFERENCES:
patent: 3421360 (1969-01-01), Luse et al.
patent: 3673851 (1972-07-01), Wright et al.
patent: 3877287 (1975-04-01), Duntz, Jr.
patent: 4152922 (1979-05-01), Francisco, Jr.
patent: 4627267 (1986-12-01), Cohrs et al.
patent: 4649734 (1987-03-01), Hillburn

Affiliated with

Also associated with

Rating

Apparatus and method for determining the flow characteristics of does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method for determining the flow characteristics of, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for determining the flow characteristics of will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2422979