2110349-A1 is referenced by 2 patents.

A method of automatically metering predetermined volumina of a liquid by arranging the liquid within an airtight enclosure and controlling, in a dispensing operation, the outlet valve by the resulting mechanical deformation of a diaphragm that is in communication with the enclosure and deformable by air pressure variations of the air entrapped within the system. The apparatus essentially comprises a sealed reservoir with an outlet valve, a diaphragm in communication with the reservoir and a sensing device for sensing deformations of the diaphragm to control the outlet valve. An optional timer may provide a no-liquid condition signal.

Title
Method and apparatus for automatically metering predetermined volumina of a liquid
Application Number
FR19710036535 19711011
Publication Number
2110349 (A1)
Application Date
October 11, 1971
Publication Date
June 2, 1972
Assignee
Leifermann Walter
DE
IPC
G05D7/00
G05D 07/00
G01F11/00
G01F 11/00
G01F11/02
G01F 11/02
G01F11/00
G01F 11/00
A47J31/44
A47J 31/44
A47J31/40
A47J 31/40
G01F11/08
G01F 11/08
G01F11/00
G01F 11/00
A47J31/56
A47J 31/56
A47J31/40
A47J 31/40
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