Apparatus requiring external operation and adapted at each repeated and indentical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container without regard to weight and to deliver it

GPHYSICS G01Measuring instruments G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL METERING BY VOLUME

G01F11/00Apparatus requiring external operation and adapted at each repeated and indentical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container without regard to weight and to deliver it

G01F11/003for fluent solid material G01F11/006Details or accessories G01F11/02with measuring chambers which expand or contract during measurement G01F11/021of the piston type G01F11/022of the gun type and actuated by fluid pressure or by a motor G01F11/023with provision for varying the stroke of the piston G01F11/024the pistons reciprocating in rotatable cylinders G01F11/025with manually operated pistons G01F11/026of the gun type G01F11/027of the syringe type G01F11/028the dosing device being provided with a dip tube and fitted to a container G01F11/029provided with electric controlling means G01F11/04of the free-piston type G01F11/06with provision for varying the stroke of the piston G01F11/08of the diaphragm or bellows type G01F11/082of the squeeze container type G01F11/084using a bulb to pressurise the fluid to be dispersed G01F11/086using an auxiliary pressure to cooperate with the diaphragm or bellows G01F11/088using a deformable conduit-like element G01F11/10with measuring chambers moved during operation G01F11/12of the valve type G01F11/125of the peristaltic pump type G01F11/14wherein the measuring chamber reciprocates G01F11/16for liquid or semi-liquid G01F11/18for fluent solid material G01F11/20wherein the measuring chamber rotates or oscillates G01F11/22for liquid or semi-liquid G01F11/24for fluent solid material G01F11/26wherein the measuring chamber is filled and emptied by tilting or inverting the supply vessel G01F11/261for fluent solid material G01F11/262for liquid or semi-liquid G01F11/263with valves G01F11/265of the ball type G01F11/266using the syphonic effect G01F11/267with counters for counting the numbers of measures delivered G01F11/268with provision for varying the volume to be delivered G01F11/28with stationary measuring chambers having constant volume during measurement G01F11/282for fluent solid material not provided for in G01F11/34, G01F11/40, G01F11/46 G01F11/284combined with electric level detecting means G01F11/286where filling of the measuring chamber is effected by squeezing a supply container that is in fluid connection with the measuring chamber and excess fluid is sucked back from the measuring chamber during relaxation of the supply container G01F11/288squeezing of the supply vessel causing filling of the measuring chamber and backflow from the measuring chamber to the supply vessel being prevented by a check valve G01F11/30with supply and discharge valves of the lift or plug-lift type G01F11/32for liquid or semi-liquid G01F11/34for fluent solid material G01F11/36with supply and discharge valves of the rectilinearly-moved slide type G01F11/38for liquid or semi-liquid G01F11/40for fluent solid material G01F11/42with supply and discharge valves of the rotary or oscillatory type G01F11/44for liquid or semi-liquid G01F11/46for fluent solid material