LIQUID PROPORTIONER Russian patent published in 2005 - IPC

FIELD: veterinary obstetrics; instruments used for diagnosis of mastitis of cows with liquid diagnosis reagents.

SUBSTANCE: proposed proportioner has proportioning chamber located between bands of two-band spool valve fitted in longitudinal passage of body. Mounted at end of longitudinal passage is additional reservoir made from elastic material which is communicated through air groove with proportioning chamber of spool valve at exhaust position. Spool valve in longitudinal passage is spring-loaded in way of initial position when proportioning chamber is brought in communication with inlet hole. For introducing liquid diagnosis reagent in milk to be studied, proportioning spool valve is set in motion by thumb. Liquid reagent filling the inter-band chamber having volume of 1 ml moves towards outlet hole of drain tube wherefrom it is forced outside to dimple of milk monitoring unit by air fed under pressure from elastic cylindrical reservoir; mixture of milk and reagent is mixed by end of drain tube located at acute angle relative to its axis.

EFFECT: enhanced efficiency of liquid diagnosis reagents.

2 cl, 1 dwg