Patent ID: 9739041
Date: 2017-08-22
CPC Classifications: E03B,E03D,Y02A

Claim:
1. A flush toilet comprising: a tank; a first compartment in the tank for holding a first type of water consisting of city water, the first compartment including a first fill valve and a first flapper, with the first fill valve being comprised of a float and being configured to control the filling of the first compartment with the first type of water, the first flapper allowing the first type of water to drain from the first compartment and into a toilet bowl when the first flapper is raised; a second compartment in the tank for holding a second type of water consisting of rainwater, with the second compartment being separated from the first compartment by a divider plate that prevents the second type of water from mixing with the first type of water, the second compartment including a second fill valve and a second flapper, with the second fill valve being comprised of a float and being configured to control the filling of the second compartment with the second type of water, the second flapper allowing the second type of water to drain from the second compartment into the toilet bowl when the second flapper is raised; a first pipe having a first diameter for connecting the first compartment to a city water supply; and a second pipe having a second diameter for connecting the second compartment to a rainwater supply, with the second diameter being larger than the first diameter.