Flow meter

Details Flow meter Flow meter

1984-07-11

1986-04-22

Woodiel, Donald O.

Measuring and testing

Volume or rate of flow

Expansible chamber

G01F 318

Patent

active

045834008

ABSTRACT:
A flow meter including a housing having inlet and outlet ports, at least two associated pistons provided respectively in respective cylinders in the housing, metering chambers defined respectively on one sides of respective pistons, passages formed in the housing for communicating the metering chambers with inlet and outlet ports, and a valve mechanism provided in the housing and associated with the movement of pistons for communicating either of the metering chambers with the inlet port and communicating the other of metering chambers with the outlet port. A check valve is provided in a passage between the inlet port and the valve mechanism for permitting liquid flow from the inlet port to the valve mechanism and preventing the liquid flow in the reverse direction.

REFERENCES:
patent: 2198759 (1940-04-01), Cadet
patent: 2718276 (1955-09-01), Grise
patent: 3822699 (1974-07-01), Cleary

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