Patent ID: 11933031
Assignee: KOHLER CO.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC E  F | IPC E  F

Claim 8:
9. A flush assembly for a pressure assist toilet, the flush assembly comprising:
a chamber;
a flush valve coupled to the chamber and configured to control a flow of water from the chamber;
a first line;
a second line coupled to the flush valve;
a first stage valve fluidly coupled to both the first line and the second line; and
a second stage valve fluidly coupled to both the first line and the second line and in a parallel flow arrangement with the first stage valve, the flush assembly configured to selectively control a passage between the first line and the second line from a first flow rate at a beginning of a flush cycle to a second flow rate that is greater than the first flow rate,
wherein the flush valve is configured to actuate in response to an applied fluid pressure, a flow rate, or a combination of an applied fluid pressure and a flow rate in the second line.