Patent ID: 9739043
Date: 2017-08-22
CPC Classifications: E03D

Claim:
1. A urinal for receiving and discharging urine, comprising: a bowl portion having a bowl surface for receiving urine; a spouting device disposed on a top portion of the bowl portion for spouting flush water onto the bowl surface; and a discharge trap portion, communicating with a discharge port disposed on a bottom portion of the bowl portion, for discharging flush water and forming a water seal on a downstream side of the bowl portion; wherein the discharge trap portion includes a descending conduit extending downward from the discharge port, a horizontal conduit connected to the descending conduit and extending horizontally, and an ascending conduit connected to an outlet of the horizontal conduit and extending upward; and wherein a cross section perpendicular to a discharging direction of the horizontal conduit is formed so that an inner side of the urinal from a center of the cross section of the horizontal conduit has a smaller cross sectional area than an outer side of the urinal from the center of the cross section of the horizontal conduit and/or a cross section perpendicular to a discharging direction of the ascending conduit is formed so that an inner side of the urinal from a center of the cross section of the ascending conduit has a smaller cross sectional area than an outer side of the urinal from the center of the cross section of the ascending conduit.