Dishwasher having means to inject liquid additive into the rinse water supply line

Claim 1

THE COMBINATION WITH A DISHWASHING MACHINE HAVING A HOUSING ADAPTED TO RECEIVE DISHES, RINSE WATER SPRAY HEADS DISPOSED IN THE HOUSING, A RINSE WATER SUPPLY LINE CONNECTED TO THE SPRAY HEADS, A VALVE IN THE SUPPLY LINE FOR CONTROLLING THE FLOW OF RINSE WATER TO THE SPRAY HEADS FOR RINSING THE DISHES, MEANS FOR OPERATING SAID VALVE TO CONTROL THE FLOW OF RINSE WATER THROUGH THE SUPPLY LINE; OF MEANS FOR INJECTING LIQUID ADDITIVE INTO THE RINSE WATER SUPPLY LINE WHEN THE VALVE IS OPEN INCLUDING, A FITTING EXTENDING INTO THE RINSE WATER SUPPLY LINE; A FIRST LONGITUDINAL PASSAGE THROUGH THE FITTING; A FIRST LATERAL ORIFICE THROUGH THE WALL OF THE FITTING COMMUNICATING WITH SAID FIRST LONGITUDINAL PASSAGE; A DIAPHRAGM CHAMBER DIVIDED INTO UPPER AND LOWER CHAMBERS BY A HORIZONTAL DIAPHRAGM MEMBER, WITH THE FIRST LONGITUDINAL PASSAGE COMMUNICATING WITH THE LOWER CHAMBER; SPRING MEANS IN THE UPPER CHAMBER NORMALLY URGING THE DIAPHRAGM DOWNWARDLY; A LIQUID ADDITIVE CONTAINER; A FLOW LINE LEADING FROM THE CONTAINER TO