US2026085691A1PendingUtilityA1

Spray fan

Assignee: SHENZHEN SHIWU TECH CO LTDPriority: May 30, 2024Filed: Dec 5, 2025Published: Mar 26, 2026
Est. expiryMay 30, 2044(~17.8 yrs left)· nominal 20-yr term from priority
Inventors:YANG XIANGYU
F04D 25/084
67
PatentIndex Score
0
Cited by
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References
0
Claims

Abstract

A spray fan includes a housing, a fan assembly and a spray assembly. The housing includes a wall structure, and the wall structure includes a first cavity for containing liquid, and a liquid inlet hole in communication with the first cavity. The fan assembly is mounted in the housing. The spray assembly is mounted in the housing, and in communication with the first cavity, the spray assembly is configured to atomize liquid from the first cavity into mist spray to spray out of the spray fan.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A spray fan, comprising:
 a housing comprising a wall structure, the wall structure comprising a first cavity for containing liquid, and a liquid inlet hole in communication with the first cavity;   a fan assembly mounted in the housing; and   a spray assembly mounted in the housing, and in communication with the first cavity, the spray assembly is configured to atomize liquid from the first cavity into mist spray to spray out of the spray fan.   
     
     
         2 . The spray fan according to  claim 1 , wherein the wall structure forms a concentric arc with at least a portion of the housing, and the wall structure occupies an arc degree greater than 90 degrees. 
     
     
         3 . The spray fan according to  claim 1 , wherein the wall structure is a ring-shaped enclosure, the housing further comprises a mounting portion located in an inner side of the enclosure, a connecting portion connecting the enclosure and the mounting portion, and an extension portion connected beneath the enclosure; the extension portion comprising a second cavity in communication with the first cavity, and a liquid outlet hole in communication with the second cavity;
 the fan assembly is mounted in the mounting portion; and the spray assembly is positioned corresponding to the liquid outlet hole, and configured to atomize liquid from the liquid outlet hole into mist spray to spray out of the spray fan.   
     
     
         4 . The spray fan according to  claim 3 , wherein the enclosure comprises a first enclosing portion and a second enclosing portion, the first enclosing portion and second enclosing portion are connected and cooperatively enclose the first cavity;
 the extension portion comprises a first extension portion and a second extension portion, which cooperatively enclose the second cavity;   the first enclosing portion is connected to the connecting portion, and the first enclosing portion, the connecting portion, the first extension portion, and the mounting portion are integrally formed; and   the second enclosing portion and the second extension portion are integrally formed.   
     
     
         5 . The spray fan according to  claim 3 , wherein an outer surface of the extension portion has an installation groove connected to the liquid outlet hole and a notch connected to the installation groove; the spray assembly is installed in the installation groove, and a wire connecting the spray assembly extends from the notch. 
     
     
         6 . The spray fan according to  claim 3 , wherein the connecting portion comprises a plurality of connection strips, and ventilation openings are formed between adjacent two connection strips; the mounting portion has a substrate and a mounting shaft for installing the motor of the fan assembly;
 wiring grooves are provided in one of the connection strips, and in the enclosure, and wires connecting the fan assembly extend through the wiring grooves.   
     
     
         7 . The spray fan according to  claim 6 , wherein the substrate has a through hole, and the fan assembly is disposed on a side of the mounting portion opposite to the wiring grooves;
 the wires of the fan assembly extend sequentially through the through hole and the wiring grooves; the housing also includes a decorative cover covering the mounting portion and the wiring grooves.   
     
     
         8 . The spray fan according to  claim 3 , wherein the housing comprises a handle connected to the enclosure, and the extension portion extends into the handle, so that the mist spray is sprayed from the handle. 
     
     
         9 . The spray fan according to  claim 1 , further comprising
 an air outlet cover, which is arranged on an air outlet side of the spray fan;   a first air inlet cover and a second air inlet cover, which are arranged on an air inlet side of the spray fan, and the first air inlet cover is arranged on a periphery of the second air inlet cover.   
     
     
         10 . The spray fan according to  claim 1 , further comprising a spray cover, the spray cover is arranged on the spray assembly and has an outlet hole for spraying the spray;
 the housing is provided with a first mounting port for mounting the spray cover.   
     
     
         11 . The spray fan according to  claim 10 , further comprising a switch assembly, the housing is also provided with a second mounting port for mounting the switch assembly, and the second mounting port is located below the first mounting port. 
     
     
         12 . The spray fan according to  claim 3 , wherein the housing further comprises a handle comprising a first handle portion and a second handle portion, and the first handle portion and the second handle portion are butted together to form a storage cavity for receiving the extension portion and a control assembly of the spray fan;
 the handle includes a first fixing portion and a second fixing portion, the first fixing portion and the second fixing portion are respectively used to be arranged on two sides of the enclosure; and the first fixing portion and the second fixing portion cooperatively form a first limiting portion, and the enclosure forms a second limiting portion; one of the second limiting portion and the first limiting portion has a limiting protrusion, and the other of the second limiting portion and the first limiting portion has a limiting groove; and the limiting protrusion is in contact with the limiting groove.   
     
     
         13 . The spray fan according to  claim 3 , wherein the housing comprises a handle, which is rotatably connected with the extension portion, so that the handle is rotatable relative to the extension portion to switch between a first state and a second state;
 the handle includes a notch portion, the extension portion extends into the notch portion and is rotatably connected with two opposite surfaces of the notch portion;   the spray assembly corresponds to the notch portion, so that the spray is sprayed from the notch portion.   
     
     
         14 . The spray fan according to  claim 13 , wherein in the first state, the extension portion and the handle extend in the same direction, and a main surface of the handle is located on the side of the spraying direction of the spray fan; and
 in the second state, an extension direction of the extension portion is at a preset angle to an extension direction of the handle, and the main surface of the handle is used to contact an external surface to support the spray fan on an external object.   
     
     
         15 . The spray fan according to  claim 1 , wherein the spray assembly comprises an atomizer and a flexible waterproof sleeve fitted around a periphery of the atomizer;
 the flexible waterproof sleeve comprises a cavity, a first opening for liquid inlet, a second opening for liquid outlet, and an avoidance opening for wires of the spray assembly to extend.   
     
     
         16 . The spray fan according to  claim 1 , wherein the housing is provided with an avoidance opening, the wall structure is engaged with the avoidance opening. 
     
     
         17 . The spray fan according to  claim 1 , wherein the wall structure includes an arc-shaped main tank body, and two water delivery pipes respectively communicating with both ends of the main tank body, each of the water delivery pipes comprises a fiber liquid guide strip, one end of the fiber liquid guide strip extends to the main tank body, the other end of the fiber liquid guide strip extends to the spray assembly for guiding liquid in the main tank body to the spray assembly. 
     
     
         18 . The spray fan according to  claim 1 , wherein the housing is a flat rectangular body, and the wall structure serves as at least a portion of a back shell of the flat rectangular body. 
     
     
         19 . The spray fan according to  claim 18 , wherein the housing has a through hole to allow the mist spray sprayed out of the through hole, and a first sealing plug is movably mounted on the housing to cover the through hole or expose the through hole. 
     
     
         20 . The spray fan according to  claim 19 , wherein the first sealing plug comprises a sealing portion, and a rotating shaft; the rotating shaft is rotatably mounted on an outer surface of the flat rectangular body to allow the sealing portion cover the through hole or expose the through hole.

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