US 11,946,240 B2
Water outlet box of pressure-type flushing system and toilet using the water outlet box
Xiping Li, Fujian (CN); Jun Huang, Fujian (CN); Bingxing Huang, Fujian (CN); Dongsheng Zhang, Fujian (CN); Jianfu Wu, Fujian (CN); and Jinding Dai, Fujian (CN)
Appl. No. 17/612,230
Filed by ECO (XIAMEN) TECHNOLOGY INC., Fujian (CN)
PCT Filed Sep. 29, 2019, PCT No. PCT/CN2019/109066
§ 371(c)(1), (2) Date Nov. 18, 2021,
PCT Pub. No. WO2021/022653, PCT Pub. Date Feb. 11, 2021.
Claims priority of application No. 201910725939.7 (CN), filed on Aug. 7, 2019.
Prior Publication US 2022/0220716 A1, Jul. 14, 2022
Int. Cl. E03D 3/10 (2006.01); E03D 11/02 (2006.01); E03C 1/02 (2006.01)
CPC E03D 3/10 (2013.01) [E03D 11/02 (2013.01); E03C 1/021 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A water outlet box of a pressure-type flushing system, wherein it comprises a water outlet box main body and a first one-way valve assembly; the water outlet box main body is formed with a water-passing cavity, a water inlet, at least one water outlet and a vent, with the water inlet, the water outlet and the vent all being in communication with the water-passing cavity; the first one-way valve assembly is provided relative to the water inlet to open or block the water inlet; the vent is provided at a top part of the water-passing cavity and is open to atmosphere; the water outlet box main body is provided with several water inlet pipes in communication with functional devices of the pressure-type flushing system; the water inlet pipes are in communication with the water-passing cavity to realize pressure relief or water discharge of the functional devices.