Pump for a Domestic Appliance

Abstract

A circulation pump for a domestic appliance, including a motor body, a motor, a hydraulic body attached to the motor body and including an inlet and an outlet, and a closure mechanism or member attached to the hydraulic body, a hydraulic chamber where the fluid flows, which is delimited between the hydraulic body and the closure mechanism or member. The pump includes an impeller housed in the hydraulic body and rotating, causes a substantially circular flow of the fluid in the hydraulic chamber, and a stationary element suitable or configured for aiding in discharging the fluid from the pump. The stationary element may be attached to at least one of the elements demarcating the hydraulic chamber and may be arranged in the hydraulic chamber such that it blocks or resists against the flow of the fluid.

1 - 13 . (canceled) 
     
     
         14 . A pump suitable for a domestic appliance comprising:
 a motor body;   a motor housed in the motor body;   a hydraulic body attached to the motor body and comprising a hydraulic chamber with a fluid inlet and a fluid outlet;   an impeller at least partially housed in the hydraulic body and coupled to the motor, the impeller arranged to rotate with the motor with respect to an axis of rotation, upon rotating the impeller is configured to cause a substantially circular flow of the fluid in the hydraulic chamber; and   a stationary element being arranged in the hydraulic chamber located in the fluid flow path of the fluid, the stationary element configured to induce a type of turbulent flow of the fluid in the hydraulic chamber that enhances the pump's ability to transition an air in the fluid toward the fluid outlet.   
     
     
         15 . A pump according to  claim 14 , wherein the stationary element is arranged in the hydraulic chamber at or near the fluid outlet to induce a type of turbulent flow of the fluid at or near the fluid outlet that enhances the pump's ability to transition an air in the fluid toward the fluid outlet. 
     
     
         16 . A pump according to  claim 14 , further comprising a closure member disposed between the motor body and the hydraulic body, the closure member being attached to the hydraulic body and forming at least a portion of the hydraulic chamber. 
     
     
         17 . A pump according to  claim 14 , wherein the stationary element comprises a first side and a second side and generates a difference in pressures between adjacent first and second zones of the hydraulic chamber, each of the first and second zones corresponding respectively to the first and second sides of the stationary element. 
     
     
         18 . A pump according to  claim 14 , wherein the stationary element is formed as a monolithic structure with the hydraulic body. 
     
     
         19 . A pump according to  claim 14 , wherein the stationary element is attached to the hydraulic body. 
     
     
         20 . A pump according to  claim 16 , wherein the stationary element is formed as a monolithic structure with the closure member. 
     
     
         21 . A pump according to  claim 16 , wherein the stationary element is attached to the closure member. 
     
     
         22 . A pump according to  claim 16 , wherein the closure member comprises a cover that is attached to the hydraulic body and a sealing element for the leak-tight sealing of the connection between the cover and the hydraulic body, the stationary element being formed as a monolithic structure with the sealing element. 
     
     
         23 . A pump according to  claim 16 , wherein the closure member comprises a cover that is attached to the hydraulic body and a sealing element for the leak-tight sealing of the connection between the cover and the hydraulic body, the stationary element being attached to the sealing element. 
     
     
         24 . A pump according to  claim 14 , wherein the stationary element is attached at a first end to a wall of the hydraulic chamber located farthest from the impeller with the stationary element extending towards the inside of the hydraulic chamber. 
     
     
         25 . A pump according to  claim 24 , wherein a second end of the stationary element opposite the first end is a part of the stationary element located closest to the impeller. 
     
     
         26 . A pump according to  claim 14 , wherein the stationary element extends at least partially along a width of the hydraulic chamber. 
     
     
         27 . A pump according to  claim 14 , wherein the stationary element extends along an entire width of the hydraulic chamber. 
     
     
         28 . A pump according to  claim 14 , wherein the stationary element is arranged in the fluid outlet. 
     
     
         29 . A pump according to  claim 15 , wherein the stationary element is formed as a monolithic structure with the hydraulic body. 
     
     
         30 . A pump according to  claim 15 , wherein the stationary element is attached to the hydraulic body. 
     
     
         31 . A pump according to  claim 15 , further comprising a closure member disposed between the motor body and the hydraulic body, the closure member being attached to the hydraulic body and forming at least a portion of the hydraulic chamber, the stationary element being formed as a monolithic structure with the closure member. 
     
     
         32 . A pump according to  claim 15 , further comprising a closure member disposed between the motor body and the hydraulic body, the closure member being attached to the hydraulic body and forming at least a portion of the hydraulic chamber, the stationary element being attached to the closure member. 
     
     
         33 . A pump according to  claim 15 , further comprising a closure member disposed between the motor body and the hydraulic body, the closure member being attached to the hydraulic body and forming at least a portion of the hydraulic chamber, the closure member comprising a cover and a sealing element for the leak-tight sealing of the connection between the cover and the hydraulic body, the stationary element being attached to the sealing element.