US2019277287A1PendingUtilityA1

Improved liquid ring pump

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Assignee: EDWARDS LTDPriority: May 17, 2016Filed: May 8, 2017Published: Sep 12, 2019
Est. expiryMay 17, 2036(~9.8 yrs left)· nominal 20-yr term from priority
Inventors:Mark Gordon GlaisterAndries Daniel Jozef De Bock
F04C 19/00F04C 7/00F04C 2270/20F04C 27/02F04B 39/00
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Claims

Abstract

Liquid Ring pumps are inherently inefficient due to energy losses caused by friction, the present invention overcomes this by providing a coating on certain surfaces of the pump to limit the friction.

Claims

exact text as granted — not AI-modified
1 . A pump component at least partially coated with a coating comprising at least one alkoxysilane. 
     
     
         2 . The pump component according to  claim 1 , wherein the coating on the pump component is, in use, in contact with a work fluid. 
     
     
         3 . The pump component according to  claim 1 , wherein the component is a liquid ring pump component. 
     
     
         4 . The pump component according to  claim 1 , wherein the component is a rotary vane pump component. 
     
     
         5 . The pump component according to  claim 1 , wherein the component is a screw pump component. 
     
     
         6 . The pump component according to  claim 1 , wherein the pump component is at least one of a rotor component, a stator component and a rotor shaft component. 
     
     
         7 . A liquid ring pump comprising a pump component according to  claim 3 . 
     
     
         8 . A rotary vane pump comprising a pump component according to  claim 4 . 
     
     
         9 . A screw pump comprising a pump component according to  claim 5 .

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