Dual flush toilet trap primer

摘要

A trap primer for a dual flush toilet includes a housing having a water inlet port and both first and second outlet ports with the first outlet port being in fluid communication with a toilet bowl and the second outlet port being in fluid communication with a toilet tank. A float is disposed in the toilet tank and subject up and down motion due to a change in the water level in the toilet tank and a seesaw disposed in the housing enables flow of water from the inlet port alternatively to the first and second outlet ports through an arm interconnected with the float.

主权项

1. A trap primer for a dual flush toilet having a bowl and a tank with an overflow tube therein, said trap primer comprising:
a housing including a water inlet port, a first outlet port, and a second outlet port and two limiting walls, said first outlet port being in fluid communication with the toilet bowl and said second outlet port being in fluid communication with the toilet tank; a float disposed in a float housing, said float housing disposed in the toilet tank and said float subject to up and down motion due to a change of water level in the toilet tank; a seesaw disposed in said housing for enabling flow of water from the inlet port alternatively into the first and second outlet ports and including a vane; said vane being movable between said two limiting walls, wherein when said vane moves toward one of said two limiting walls, said seesaw directs water from said water inlet port to one of said first and second outlet ports; and when said vane moves toward the other one of said two limiting walls, said seesaw directs water from said water inlet port to the other one of said first and second outlet ports; an arm, operatively interconnected between said seesaw and said float, for operating said seesaw, wherein said arm is operatively connected to the seesaw such that movement of said arm moves said vane of said seesaw between said two limiting walls, wherein said arm is operatively connected to said float such that up and down movement of said float moves said arm to move said vane of said seesaw between said two limiting walls, a mounting ring for fixing said housing to a top of the overflow tube in a position orienting said first outlet port over the overflow tube for filing the toilet bowl and said second outlet port outside of the overflow tube for filling the toilet tank; and a check valve in said float housing for releasing water from the float housing upon a drop in water level in the toilet tank causing downward motion of said float and movement of said arm and said vane to direct water flow from the water inlet port into said second outlet port to fill the toilet tank.