Patent ID: 7766309
Filing Date: 2010-08-03
Classification: F16K,F17C

Abstract:
1. A manifold for a carbon dioxide system comprising a pump supply, a liquid container, a gas container, and a beverage dispenser, the manifold comprising: (a) an internal passage providing communication between the pump supply, the liquid container, the gas container, and the beverage dispenser; and (b) a valve inside the internal passage having an open/operating position in which communication exists between the liquid container, the gas container, and the beverage dispenser, but not with the pump supply; and having a closed/refilling position in which communication exists between the pump supply and the liquid container, and between the gas container and beverage dispenser, but the only communication between the pump supply/liquid container and the gas container/beverage dispenser is through an orifice that allows a restricted flow of carbon dioxide through the valve.